All Wiring Diagrams for GMC Sierra HD 2007 2500 model

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 3) for GMC Sierra HD 2007 2500

List of elements for Automatic A/C Wiring Diagram (1 of 3) for GMC Sierra HD 2007 2500:

(left side of headliner) front inside air temperature sensor
(lower left side of dash) left i/p junction block
(lower right side of hvac module) blower motor control module
5v ref
A/c ind
A/c low pressure switch (on right side of a/c accumulator)
A/c on
Air temp
Air tmp
Amb air tmp
Ambient air temperature sensor (on radiator support)
Ambient light/ sunload sensor assembly (on top center of dash)
Auto
B(+)
Blower motor
Blwr spd
Colnt lvl
Computer data lines system
Defogger system
Dfrst val
Diesel
Engine coolant level switch (on bottom of surge tank)
Fan dn
Fan up
Fresh air
Frnt dfg
Frt def
Fsh air
G103 (on front of right cylinder head) (w/o 1500) g106 (lower left side of engine) (w/ 1500)
G200 (on right front corner of hvac module)
G201 (upper left corner of dash)
Gmlan l
Ground
Hvac control module
Ign 3
J106
J203
J206
J328
L air tmp
Left temp control
Lf sunld
Logic
Low ref
Lw prss
Mode ctrl
Mode dn
Mode up
Off
Power distribution system
R air tmp
Rear defog
Rear dfg
Recir
Recir ctrl
Recirc
Recirc pos
Red
Rer def
Rf sunld
Right temp control
Tan
Upper left air temperature sensor
Upper right air temperature sensor

Automatic A/C Wiring Diagram (2 of 3) for GMC Sierra HD 2007 2500

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List of elements for Automatic A/C Wiring Diagram (2 of 3) for GMC Sierra HD 2007 2500:

(gas) (diesel)
A/c cmprsr fuse 18 10a
A/c comp- ressor clutch relay
A/c compressor clutch
A4 x5
Body control module (bcm) (lower left side of dash)
E x4
Engine control module (ecm)
G102 (on lower left front of engine) (w/o 1500) g107 (lower left side of engine) (w/ 1500)
Hot at all times
Hvac batt fuse 40 10a
Hvac blwr fuse 72 40a
Hvac ign fuse 57 fuse 55 10a
Pnk
Red
Right i/p junction block (in right end of dash)
Run/ crank relay
Tan
Under- hood fuse block (left side of engine compt)
W/ 1500
W/ diesel
W/o 1500

Automatic A/C Wiring Diagram (3 of 3) for GMC Sierra HD 2007 2500

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List of elements for Automatic A/C Wiring Diagram (3 of 3) for GMC Sierra HD 2007 2500:

(left side of hvac module) lower left air temperature sensor
(lower left of hvac module) lower right air temperature sensor
(near compressor, on a/c high pressure hose) a/c refrigerant pressure sensor
87a
Cool/ fan relay 1
Cooling fan diode 1
Cooling fan diode 2
Fan cntrl relay
Fan lo relay
Fan-1 fuse 59 40a
Fan-2 fuse 62 40a
G100 (on lower left radiator support)
Hot at all times
J100
Left air temperature actuator (bottom left of hvac module)
Left cooling fan
Logic
Mode actuator (left end of hvac module)
Pwr/ trn relay
Recirculation actuator (top right side of hvac module)
Right air temperature actuator (top middle of hvac module)
Right cooling fan
Tan
Under- hood fuse block (left side of engine compt)

Compressor Wiring Diagram for GMC Sierra HD 2007 2500

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List of elements for Compressor Wiring Diagram for GMC Sierra HD 2007 2500:

A/c cmprsr fuse 18 10a
A/c cmprsr relay
A/c compressor clutch
A/c ind
A/c low pressure switch
A/c on
A/c refrigerant pressure sensor
B(+)
Computer data lines system
Engine control module (ecm)
G102 (on lower left front of engine) (w/o 1500) g107 (lower left side of engine) (w/ 1500)
G103 (on front of right cylinder head) (w/o 1500) g106 (lower left side of engine) (w/ 1500)
G200 (on right front corner of hvac module)
Gmlan l
Ground
Hot at all times
Hvac batt fuse 40 10a
Hvac control module
J106
J203
Logic
Lw prss
Tan
Under- hood fuse block (left side of engine compt)
W/ 1500
W/ diesel
W/o 1500

Manual A/C Wiring Diagram (1 of 3) for GMC Sierra HD 2007 2500

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List of elements for Manual A/C Wiring Diagram (1 of 3) for GMC Sierra HD 2007 2500:

(gas) (diesel)
(lower right side of hvac module) blower motor control module
5v ref
A/c cmprsr fuse 18 10a
A/c comp- ressor clutch relay
A/c ind
A/c low pressure switch (on right side of a/c accumulator)
A/c on
B(+)
Blower motor
Blwr spd
Colnt lvl
Computer data lines system
Defogger system
Dfrst val
Diesel
Engine control module (ecm)
Engine coolant level switch (on bottom of surge tank)
Fresh air
Frh air
G102 (on lower left front of engine) (w/o 1500) g107 (lower left side of engine) (w/ 1500)
G103 (on front of right cylinder head) (w/o 1500) g106 (lower left side of engine) (w/ 1500)
G200 (on right front corner of hvac module)
G201 (upper left corner of dash)
Gmlan l
Ground
Hot at all times
Hvac batt fuse 40 10a
Hvac blwr fuse 72 40a
Hvac control module
Hvac ign fuse 57 fuse 55 10a
Ign 3
Interior light system power distribution system
J106
J203
Led cntl
Left i/p junction block (lower left side of dash)
Logic
Low ref
Lw prss
Mode ctrl
Pnk
R air tmp
Rear defog
Rear dfg
Recir
Recir ctrl
Recirc
Red
Rer def
Run/ crank relay
Tan
Under- hood fuse block (left side of engine compt)
W/ 1500
W/ diesel
W/o 1500

Manual A/C Wiring Diagram (2 of 3) for GMC Sierra HD 2007 2500

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List of elements for Manual A/C Wiring Diagram (2 of 3) for GMC Sierra HD 2007 2500:

(near compressor, on a/c high pressure hose) a/c refrigerant pressure sensor
87a
A/c compressor clutch
Body control module (bcm)
Cool/ fan relay 1
Cooling fan diode 1
Cooling fan diode 2
Fan cntrl relay
Fan lo relay
Fan-1 fuse 59 40a
Fan-2 fuse 62 40a
G100 (on lower left radiator support)
Hot at all times
J100
Left cooling fan (left front of eng compt)
Pnk
Pwr/ trn relay
Red
Right cooling fan (right front of eng compt)
Right i/p junction block (in right end of dash)
Tan
Under- hood fuse block (left side of engine compt)

Manual A/C Wiring Diagram (3 of 3) for GMC Sierra HD 2007 2500

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List of elements for Manual A/C Wiring Diagram (3 of 3) for GMC Sierra HD 2007 2500:

Logic
Mode actuator (left end of hvac module)
Not used
Recirculation actuator (top right side of hvac module)
Right air temperature actuator (top middle of hvac module)
Tan

ANTI-LOCK BRAKES

Anti-Lock Brake Wiring Diagram, with JL4 (1 of 2) for GMC Sierra HD 2007 2500

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List of elements for Anti-Lock Brake Wiring Diagram, with JL4 (1 of 2) for GMC Sierra HD 2007 2500:

(lower left side of dash) left i/p junction box
12v
Abs pump motor
Abs-1 fuse 63 40a
Abs-2 fuse 10 25a
Acc sns
Agle sns a
Agle sns b
Agle sns c
Angle sns
Brk sns
Can h
Can l
Comm data
Computer data lines system
Electronic brake control module (ebcm) (on left side of frame assembly)
G201 (upper left corner of dash)
G300 (below driver's door, on body mount)
G302 (below right side of passenger's seat)
Gmlan +
Gmlan -
Grd
Hot at all times
J300
J302
Left front wheel speed sensor (wss) (on left front steering knuckle)
Left rear wheel speed sensor (wss) (on left rear brake backing plate)
Lf whl sns
Logic
Low ref
Lr whl sns
Nca
Pwr brk h
Pwr brk l
Radio
Red
Rf whl sns
Right rear wheel speed sensor (wss) (on right rear brake backing plate)
Rr whl sns
Tan
Underhood fuse block (left side of engine compt)
Veh spd sig
W/ luxury edition
W/ remote entry
W/o luxury edition
Yaw rate and lateral acceleration sensor (under center console trim panel)

Anti-Lock Brake Wiring Diagram, with JL4 (2 of 2) for GMC Sierra HD 2007 2500

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List of elements for Anti-Lock Brake Wiring Diagram, with JL4 (2 of 2) for GMC Sierra HD 2007 2500:

(w/o 4.3l) (under rear of vehicle) fuel system module
(w/o 4.3l) trailer brake controller module (tbcm)
12v
Body control module (bcm)
Brake
Brake booster vacuum sensor (on top center of dash)
Brake fluid level switch
Brk sig
Comm data
Computer data lines system
G201 (upper left corner of dash)
Gmlan
I/p multifunction switch assembly
Instrument panel cluster (ipc)
J201
Logic
Nca
Park brake switch
Power brake booster
Power take off (pto) module
Prk brk sw
Right front wheel speed sensor (wss) (on right front steering knuckle)
Steering angle sensor (on steering column)
Stop lamp switch
Tan
Traction sw
W/ power take off
W/o 4.3l

Anti-Lock Brake Wiring Diagram, without JL4 for GMC Sierra HD 2007 2500

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List of elements for Anti-Lock Brake Wiring Diagram, without JL4 for GMC Sierra HD 2007 2500:

(below driver's door, on body mount) g300
(lower left side of dash) left i/p junction block
(on master cylinder) brake fluid level switch
12v
Abs pump m
Abs-1 fuse 63 40a
Abs-2 fuse 10 25a
Body control module (bcm) (lower left side of dash)
Brake
Brk sig
Comm data
Computer data lines system
Electronic brake control module (ebcm) (on left side of frame assembly)
Engine control module (ecm)
Fuel system module (under rear of vehicle)
G201 (upper left corner of dash)
Gmlan
Gmlan +
Gmlan -
Grd
Hot at all times
I/p multifunction switch assembly
Instrument panel cluster (ipc)
J201
J300
Left front wheel speed sensor (wss) (on left front steering knuckle)
Lf whl sns
Logic
Motor
Nca
Park brake switch (on park brake pedal assembly)
Power take off (pto) module
Prk brk sw
Radio
Red
Rf whl sns
Right front wheel speed sensor (wss) (on right front steering knuckle)
Stop lamp switch (top of brake pedal assembly
Tan
Traction sw
Trailer brake controller module (tbcm)
Underhood fuse block (left side of engine compt)
Veh spd sig
W/ 4.3l
W/ luxury edition
W/ power take off
W/o 4.3l
W/o luxury edition

Trailer ABS Wiring Diagram for GMC Sierra HD 2007 2500

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List of elements for Trailer ABS Wiring Diagram for GMC Sierra HD 2007 2500:

(lower left side of dash) left i/p junction block
(top of brake pedal assembly) stop lamp switch
Anti-lock brakes system
Comm data
Computer data lines system
Diesel
Engine control module (ecm) (left front of eng compt, near fan shroud)
Gasoline
Gmlan +
Gmlan -
Grd
Heavy duty abs fuse 61 fuse 58 60a
Hot at all times
Hot w/ run/ crnk rly energized
Ign 1
Interior lights system
J411
Low ref
Misc ign fuse 44 fuse 42 10a
On left rear body mount) g401
Pnk
Rly enable
Rly feedback
Stud 2 fuse 65 fuse 61 30a
Tan
Tcc brk sig
Tcc sig
Trailer brake control panel switch
Trailer brake controller module (tbcm)
Trailer brake controller solid state relay
Trailer connector
Transmission control module (tcm) (left front of engine compt, near fan shroud)
Trl brk rly
Trl brk sig
Underhood fuse block (left side of engine compt)
W/ 4.3l
W/ 5th wheel trailer j421
W/ 6l80/6l90
W/o 4.3l
W/o 5th wheel trailer j422
W/o 6l80/6l90

ANTI-THEFT

Anti-theft Wiring Diagram for GMC Sierra HD 2007 2500

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List of elements for Anti-theft Wiring Diagram for GMC Sierra HD 2007 2500:

(below right side of passenger's seat) g302
(diesel)
(gas)
Acc v
Ant
Bcm fuse 10a
Body control module (bcm) (lower left side of dash)
Computer data lines system
Ddm fuse 15a
Dim fuse 15a
Dlis fuse 36 fuse 34 2a
Driver door switch (dds)
Dsm fuse 10a
Exterior lights system
G101 (on lower right radiator support)
G200 (on right front corner of hvac module)
G201 (upper left corner of dash)
Gmlan
Grd
Hdlp rly
Headlights system
Hood ajar switch
Horn rly
Horns system
Hot at all times
I/p fuse block (left side of dash)
Inclination sensor
Instrument panel cluster (ipc)
Interior lights system
Intrus sig
J101
J213
J227
J230
J302
Keyless entry antenna
Left i/p junction block (lower left x5 side of dash)
Lf ajar sw
Logic
Lr ajar sw
Nca
Passenger door switch (pds)
Power distribution system
Ppm fuse 15a
Prl lp rly
Remote control door lock receiver (rcdlr)
Rf ajar sw
Right i/p junction block (in right x6 end of dash)
Rr ajar sw
Sec ind
Security indicator lamp
Seo b1 fuse 54 fuse 52 15a
Shock sensor
Sns sig
Sw sig
Tan
Theft deterrent control module (on right side of steering column)
Underhood fuse block (left side of engine compt)
Volt

BODY CONTROL MODULES

Body Control Modules Wiring Diagram (1 of 3) for GMC Sierra HD 2007 2500

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List of elements for Body Control Modules Wiring Diagram (1 of 3) for GMC Sierra HD 2007 2500:

(cruise)
(uk3)
(w/ abs)
12 volt ref
5 volt ref
Accessory volt
Ambient lt sens sig
Anti-lock brakes system
Battery +
Body control module (lower left side of dash)
Courtesy lamps ctrl
Cruise control system
Cruise ctrl sw sig
Dim fuse 15a
Exterior lights system
Fuse block (i/p) (left side of dash)
Hazrd sw left turn sig
Hazrd sw right turn sig
Hazrd sw sig
Headlamp dim sw sig
Headlamp flash to pass sig
Headlamp sw headlamp off sig
Headlamp sw headlamp on sig
Headlamp sw park lamp sig
Headlights system
Hot at all times
I/p lamps dim ctrl
Ig i volt
Ig iii volt
Interior lamp defeat sw sig
Interior lights system
Low ref
Pnk
Power distribution system
Shift interlock system
Sound system
Sound, cruise control, transmission & seats system
Starting/charging system
Steer whl ctrl sw sig
Tan
Tap up/tap down sw sig
Tow/haul sw sig
Traction ctrl sw sig
Transmissions system
Wiper sw hi sig
Wiper sw low sig
Wiper wash sw sig
Wiper/washer system

Body Control Modules Wiring Diagram (2 of 3) for GMC Sierra HD 2007 2500

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List of elements for Body Control Modules Wiring Diagram (2 of 3) for GMC Sierra HD 2007 2500:

(auto wiper)
(gas) (diesel)
(spo alarm)
12v ref
Accessory wakeup serial data
Anti-lock brakes system
Anti-theft system
Battery +
Bcm fuse 10a
Body control module (lower left side of dash)
Brake sw sig
Computer data lines system
Cruise ctrl ind dim sig
Ctsy fuse 15a
Drl relay ctrl
Exterior lights system
Fog lamp relay ctrl
Front fog lamp sw sig/enable
Fuse block (i/p) (left side of dash)
G103 (on front of right cylinder head)
G201 (upper left corner of dash)
Ground
Headlamp hi beam relay ctrl
Headlights system
Hi spd gmlan serial data bus (+)
Hi spd gmlan serial data bus (-)
Hood ajar sw sig
Hot at all times
I/p lamp dimmer sw sig
Indicator dim ctrl
Instrument cluster system
Interior lights system
Ipc fuse 48 fuse 46 10a
Is lps fuse 20a
Junction block (left i/p) (lower left side of dash)
Led backlight dim ctrl
Lo spd serial data
Lt stop trn fuse 15a
Lt trlr turn sig lamp
Outside moisture sens sig 1
Outside moisture sens sig 2
Power distribution system
Rt stop trn fuse 15a
Rt trlr turn sig lamp
Run/crank relay ctrl
Security ind ctrl
Serial data comm enable
Stop lamps fuse 15a
Tan
Underhood fuse block (left side of engine compt)
Washer relay ctrl
Wiper motor park sw sig
Wiper/washer system

Body Control Modules Wiring Diagram (3 of 3) for GMC Sierra HD 2007 2500

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List of elements for Body Control Modules Wiring Diagram (3 of 3) for GMC Sierra HD 2007 2500:

(adj pedals)
(crew cab)
(spo alarm)
(up level)
12 volt ref
Anti-theft system
Backup lamp relay ctrl
Body control module (lower left side of dash)
Cruise/etc/tcc brake sig
Current sens sig
Door lk ctrl
Door locks system
Door unlk ctrl
Drvr door key sw sig
Drvr door lk sw lk sig
Drvr door lk sw unlk sig
Drvr door unlk relay ctrl
Exterior lights system
Headlamp lo beam relay ctrl
Headlights system
Hood closed sw sig
Horn relay ctrl
Horns system
Ig iii voltage
Interior lights system
Intrusion sens alarm on sig
Intrusion sens armed sig
Low ref
Lt frt door ajar sw sig
Lt frt door open sw sig
Lt rr door ajar sw sig
Non-drvr door open sw sig
Out of park sig
Park brake sw sig
Park brake switch (on park brake pedal assembly)
Park lamp relay ctrl
Pass door lk sw lk sig
Pass dr lk sw unlk sig
Pnk
Power distribution system
Power windows system
Pwr win mstr sw lkout rr sig
Pwr win mstr sw lkout sig
Pwr win mstr sw lt rr dn sig
Pwr win mstr sw lt rr up sig
Pwr win mstr sw rt rr dn sig
Pwr win mstr sw rt rr up sig
Rt frt door ajar sw sig
Rt rr door ajar sw sig
Seats system
Starting/charging system
Tan
Wiper sw hi sig ctrl
Wiper sw sig 2
Wiper/washer & transmission systems
Wiper/washer system

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram (1 of 2) for GMC Sierra HD 2007 2500

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List of elements for Computer Data Lines Wiring Diagram (1 of 2) for GMC Sierra HD 2007 2500:

(if equipped)
(not used)
(upfitter provisional)
Air conditioning system
Audio amplifier (if equipped) (under rear of center console)
Body control module (lower left side of dash)
Chime module (center of dash)
Data link connector (dlc) (lower left side of dash)
Digital radio receiver
Driver door switch (dds)
Except luxury
Except radio delete
F (not used)
Fuse block (i/p) (left side of dash)
G200 (on right front corner of hvac module)
G201 (upper left corner of dash)
Hot at all times
Hvac control module
Inflatable restraint front passenger presence system (pps) module (if equipped) (under front passenger seat)
Inflatable restraint sensing & diagnostic module (sdm) (under driver's seat)
Inflatable restraint vehicle rollover sensor (below center console)
Instrument panel cluster
J200 (in i/p harness, 14cm from left i/p junction block breakout)
Junction block (left i/p) (lower left side of dash)
Junction block left (i/p) (lower left side of dash)
Junction block right i/p (in right end of dash)
Lo speed serial data
Lo-speed serial data
Ltr fuse 53 20a
Luxury edition
Memory seat module (if equipped) (under front of driver's seat)
Passenger's door switch (pds)
Power distribution system
Radio
Radio delete
Rear object sensor control module (at rear cargo area, behind trim panel)
Rear seat audio (rsa) controller
Remote control door lock receiver (rcdlr) (top rear of passenger compt)
Splice pack jx221
Splice pack jx223 (if equipped)
Splice pack jx339
Tan
Theft deterrent control module (on right side of steering column)
Underhood fuse block (left side of engine compt)
Vehicle communication interface module (vcim) (upper right side of dash) (if equipped)

Computer Data Lines Wiring Diagram (2 of 2) for GMC Sierra HD 2007 2500

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List of elements for Computer Data Lines Wiring Diagram (2 of 2) for GMC Sierra HD 2007 2500:

(in chassis harness)
4 spd
4.3l
6 spd (gas)
Accessory wakeup serial data
Body control module (bcm) (lower left side of dash)
Diesel
Electronic brake control module (ebcm) (on left side of frame assembly)
Engine control module (ecm) (left front of engine compartment, near fan shroud)
Except hydraulic
Except pushbutton 4wd select
Except w/ pto
Except w/fscm or tbcm
Except w/tbcm
Fuel system control module (fscm) (if equipped) (under rear of vehicle)
Gas
Gas exc 4.3l
Glow plug control module (gpcm) (top left rear of engine)
Gmlan terminator (at left side of rear chassis crossmember)
Gps equipped
Hi spd gmlan serial data +
Hi spd gmlan serial data -
High speed gmlan serial data bus +
High speed gmlan serial data bus -
Hydraulic
J104
J207 (in dash harness, 9cm from main harness assembly breakout)
J338
Junction block left (i/p) (lower left side of dash)
Power take off (pto) module (if equipped)
Pushbutton 4wd select
Serial data comm enable
Tan
Terminator
Trailer brake controller module (tbcm) (if equipped)
Transfer case shift control module (if equipped) (lower left side of dash)
Transmission control module (tcm) (left front of engine compartment, near fan shroud)
Vehicle communication interface module (vcim) (upper right side of dash)
W/ pto
W/fscm
W/fscm or tbcm
W/o gps
W/tbcm
W/tbcm not w/fscm

COOLING FAN

Cooling Fan Wiring Diagram for GMC Sierra HD 2007 2500

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List of elements for Cooling Fan Wiring Diagram for GMC Sierra HD 2007 2500:

(near compressor, on a/c high pressure hose) a/c refrigerant pressure sensor
87a
Colnt lvl
Cool/ fan relay 1
Cooling fan diode 1
Cooling fan diode 2
Diesel
Engine control module (ecm)
Engine coolant level switch (on bottom of surge tank)
Fan cntrl relay
Fan lo relay
Fan-1 fuse 59 40a
Fan-2 fuse 62 40a
G100 (on lower left radiator support)
G103 (on front of right cylinder head) (w/o 1500) g106 (lower left side of engine) (w/ 1500)
Hot at all times
Hvac control module
J100
J106
Left cooling fan
Logic
Pwr/ trn relay
Right cooling fan
Tan
Under- hood fuse block (left side of engine compt)
W/ 1500
W/ diesel
W/o 1500

CRUISE CONTROL

4.3L VIN X

4.3L VIN X, Cruise Control Wiring Diagram for GMC Sierra HD 2007 2500

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List of elements for 4.3L VIN X, Cruise Control Wiring Diagram for GMC Sierra HD 2007 2500:

(left front of engine compt, near fan shroud)
12v
5v ref
5v ref 2
Accelerator pedal position (app) sensor (above accelerator pedal)
App sen 1 sig
App sen 2 sig
Bat pos volt
Batt +
Body control module (bcm) (lower left side of dash)
Brake sw sig
Cancel
Computer data lines system
Cruise control ind dimming sig
Cruise control switch signal
Cruise ind
Cruise switch
Dim fuse 15a
Ecm batt fuse 15a
Engine control module (ecm) (left front of engine compt, near fan shroud)
Exterior lights system
G103 (on front of right cylinder head)
G106
G201 (upper left corner of dash)
Gmlan data bus+
Gmlan data bus-
Ground
Hi spd gmlan ser data bus+
Hi spd gmlan ser data bus-
Hot at all times
Hot w/ run/crank relay energized
I/p fuse block (left side of dash)
Inflatable restraint steering wheel module coil (behind steering wheel)
Instrument panel cluster (ipc)
Ipc fuse 48 10a
J106
J217
Left i/p junction block (lower left side of dash)
Left steering wheel control switch assembly
Logic
Low ref
Misc ign fuse 44 10a
Pnk
Res+
Ser data
Ser data bus+
Ser data bus-
Set-
Sound systems
Steering wheel cntrl sup volt
Stop lamp switch (top of brake pedal assembly)
Tac motor ctrl 1
Tac motor ctrl 2
Tan
Throttle body
Tp sens 1 sig
Tp sens 2 sig
Transmission control module (tcm)
Underhood fuse block (left side of engine compt)
Vehicle speed sensor (vss) (on transmission tailshaft housing)
Vss hi sig
Vss lo sig

4.8L VIN C

4.8L VIN C, Cruise Control Wiring Diagram for GMC Sierra HD 2007 2500

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List of elements for 4.8L VIN C, Cruise Control Wiring Diagram for GMC Sierra HD 2007 2500:

(left front of engine compt, near fan shroud)
12v
5v ref
5v ref 2
Accelerator pedal position (app) sensor (above accelerator pedal)
App sen 1 sig
App sen 2 sig
Batt +
Body control module (bcm) (lower left side of dash)
Brake sw sig
Cancel
Computer data lines system
Cruise control ind dimming sig
Cruise control switch signal
Cruise ind
Cruise switch
Dim fuse 15a
Ecm batt fuse 13 10a
Engine control module (ecm) (left front of engine compt, near fan shroud)
Exterior lights system
G103 (on front of right cylinder head)
G201 (upper left corner of dash)
Gmlan data bus+
Gmlan data bus-
Ground
Hi spd gmlan ser data bus+
Hi spd gmlan ser data bus-
Hot at all times
Hot w/ run/crank relay energized
I/p fuse block (left side of dash)
Inflatable restraint steering wheel module coil (behind steering wheel)
Instrument panel cluster (ipc)
Ipc fuse 48 10a
J106
J217
Left i/p junction block (lower left side of dash)
Left steering wheel control switch assembly
Logic
Low ref
Misc ign fuse 44 10a
Pnk
Res+
Ser data
Ser data bus+
Ser data bus-
Set-
Sound systems
Steering wheel cntrl sup volt
Stop lamp sw sig
Stop lamp switch (top of brake pedal assembly)
Tac motor ctrl 1
Tac motor ctrl 2
Tan
Throttle body
Tp sens 1 sig
Tp sens 2 sig
Transmission control module (tcm)
Underhood fuse block (left side of engine compt)
Vehicle speed sensor (vss) (on transmission tailshaft housing)
Vss hi sig
Vss lo sig
[5.3l (flex fuel) vin 0]
[except 5.3l (flex fuel) vin 0]

5.3L FLEX FUEL VIN 0

5.3L FLEX FUEL VIN 0, Cruise Control Wiring Diagram for GMC Sierra HD 2007 2500

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List of elements for 5.3L FLEX FUEL VIN 0, Cruise Control Wiring Diagram for GMC Sierra HD 2007 2500:

(left front of engine compt, near fan shroud)
12v
5v ref
5v ref 2
Accelerator pedal position (app) sensor (above accelerator pedal)
App sen 1 sig
App sen 2 sig
Batt +
Body control module (bcm) (lower left side of dash)
Brake sw sig
Cancel
Computer data lines system
Cruise control ind dimming sig
Cruise control switch signal
Cruise ind
Cruise switch
Dim fuse 15a
Ecm batt fuse 13 10a
Engine control module (ecm) (left front of engine compt, near fan shroud)
Exterior lights system
G103 (on front of right cylinder head)
G201 (upper left corner of dash)
Gmlan data bus+
Gmlan data bus-
Ground
Hi spd gmlan ser data bus+
Hi spd gmlan ser data bus-
Hot at all times
Hot w/ run/crank relay energized
I/p fuse block (left side of dash)
Inflatable restraint steering wheel module coil (behind steering wheel)
Instrument panel cluster (ipc)
Ipc fuse 48 10a
J106
J217
Left i/p junction block (lower left side of dash)
Left steering wheel control switch assembly
Logic
Low ref
Misc ign fuse 44 10a
Pnk
Res+
Ser data
Ser data bus+
Ser data bus-
Set-
Sound systems
Steering wheel cntrl sup volt
Stop lamp sw sig
Stop lamp switch (top of brake pedal assembly)
Tac motor ctrl 1
Tac motor ctrl 2
Tan
Throttle body
Tp sens 1 sig
Tp sens 2 sig
Transmission control module (tcm)
Underhood fuse block (left side of engine compt)
Vehicle speed sensor (vss) (on transmission tailshaft housing)
Vss hi sig
Vss lo sig
[5.3l (flex fuel) vin 0]
[except 5.3l (flex fuel) vin 0]

5.3L VIN 0

5.3L VIN 0, Cruise Control Wiring Diagram for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN 0, Cruise Control Wiring Diagram for GMC Sierra HD 2007 2500:

(left front of engine compt, near fan shroud)
12v
5v ref
5v ref 2
Accelerator pedal position (app) sensor (above accelerator pedal)
App sen 1 sig
App sen 2 sig
Batt +
Body control module (bcm) (lower left side of dash)
Brake sw sig
Cancel
Computer data lines system
Cruise control ind dimming sig
Cruise control switch signal
Cruise ind
Cruise switch
Dim fuse 15a
Ecm batt fuse 13 10a
Engine control module (ecm) (left front of engine compt, near fan shroud)
Exterior lights system
G103 (on front of right cylinder head)
G201 (upper left corner of dash)
Gmlan data bus+
Gmlan data bus-
Ground
Hi spd gmlan ser data bus+
Hi spd gmlan ser data bus-
Hot at all times
Hot w/ run/crank relay energized
I/p fuse block (left side of dash)
Inflatable restraint steering wheel module coil (behind steering wheel)
Instrument panel cluster (ipc)
Ipc fuse 48 10a
J106
J217
Left i/p junction block (lower left side of dash)
Left steering wheel control switch assembly
Logic
Low ref
Misc ign fuse 44 10a
Pnk
Res+
Ser data
Ser data bus+
Ser data bus-
Set-
Sound systems
Steering wheel cntrl sup volt
Stop lamp sw sig
Stop lamp switch (top of brake pedal assembly)
Tac motor ctrl 1
Tac motor ctrl 2
Tan
Throttle body
Tp sens 1 sig
Tp sens 2 sig
Transmission control module (tcm)
Underhood fuse block (left side of engine compt)
Vehicle speed sensor (vss) (on transmission tailshaft housing)
Vss hi sig
Vss lo sig
[5.3l (flex fuel) vin 0]
[except 5.3l (flex fuel) vin 0]

5.3L VIN J

5.3L VIN J, Cruise Control Wiring Diagram for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN J, Cruise Control Wiring Diagram for GMC Sierra HD 2007 2500:

(left front of engine compt, near fan shroud)
12v
5v ref
5v ref 2
Accelerator pedal position (app) sensor (above accelerator pedal)
App sen 1 sig
App sen 2 sig
Batt +
Body control module (bcm) (lower left side of dash)
Brake sw sig
Cancel
Computer data lines system
Cruise control ind dimming sig
Cruise control switch signal
Cruise ind
Cruise switch
Dim fuse 15a
Ecm batt fuse 13 10a
Engine control module (ecm) (left front of engine compt, near fan shroud)
Exterior lights system
G103 (on front of right cylinder head)
G201 (upper left corner of dash)
Gmlan data bus+
Gmlan data bus-
Ground
Hi spd gmlan ser data bus+
Hi spd gmlan ser data bus-
Hot at all times
Hot w/ run/crank relay energized
I/p fuse block (left side of dash)
Inflatable restraint steering wheel module coil (behind steering wheel)
Instrument panel cluster (ipc)
Ipc fuse 48 10a
J106
J217
Left i/p junction block (lower left side of dash)
Left steering wheel control switch assembly
Logic
Low ref
Misc ign fuse 44 10a
Pnk
Res+
Ser data
Ser data bus+
Ser data bus-
Set-
Sound systems
Steering wheel cntrl sup volt
Stop lamp sw sig
Stop lamp switch (top of brake pedal assembly)
Tac motor ctrl 1
Tac motor ctrl 2
Tan
Throttle body
Tp sens 1 sig
Tp sens 2 sig
Transmission control module (tcm)
Underhood fuse block (left side of engine compt)
Vehicle speed sensor (vss) (on transmission tailshaft housing)
Vss hi sig
Vss lo sig
[5.3l (flex fuel) vin 0]
[except 5.3l (flex fuel) vin 0]

5.3L VIN M

5.3L VIN M, Cruise Control Wiring Diagram for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN M, Cruise Control Wiring Diagram for GMC Sierra HD 2007 2500:

(left front of engine compt, near fan shroud)
12v
5v ref
5v ref 2
Accelerator pedal position (app) sensor (above accelerator pedal)
App sen 1 sig
App sen 2 sig
Batt +
Body control module (bcm) (lower left side of dash)
Brake sw sig
Cancel
Computer data lines system
Cruise control ind dimming sig
Cruise control switch signal
Cruise ind
Cruise switch
Dim fuse 15a
Ecm batt fuse 13 10a
Engine control module (ecm) (left front of engine compt, near fan shroud)
Exterior lights system
G103 (on front of right cylinder head)
G201 (upper left corner of dash)
Gmlan data bus+
Gmlan data bus-
Ground
Hi spd gmlan ser data bus+
Hi spd gmlan ser data bus-
Hot at all times
Hot w/ run/crank relay energized
I/p fuse block (left side of dash)
Inflatable restraint steering wheel module coil (behind steering wheel)
Instrument panel cluster (ipc)
Ipc fuse 48 10a
J106
J217
Left i/p junction block (lower left side of dash)
Left steering wheel control switch assembly
Logic
Low ref
Misc ign fuse 44 10a
Pnk
Res+
Ser data
Ser data bus+
Ser data bus-
Set-
Sound systems
Steering wheel cntrl sup volt
Stop lamp sw sig
Stop lamp switch (top of brake pedal assembly)
Tac motor ctrl 1
Tac motor ctrl 2
Tan
Throttle body
Tp sens 1 sig
Tp sens 2 sig
Transmission control module (tcm)
Underhood fuse block (left side of engine compt)
Vehicle speed sensor (vss) (on transmission tailshaft housing)
Vss hi sig
Vss lo sig
[5.3l (flex fuel) vin 0]
[except 5.3l (flex fuel) vin 0]

6.0L VIN Y

6.0L VIN Y, Cruise Control Wiring Diagram for GMC Sierra HD 2007 2500

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List of elements for 6.0L VIN Y, Cruise Control Wiring Diagram for GMC Sierra HD 2007 2500:

(left front of engine compt, near fan shroud)
12v
5v ref
5v ref 2
Accelerator pedal position (app) sensor (above accelerator pedal)
App sen 1 sig
App sen 2 sig
Batt +
Body control module (bcm) (lower left side of dash)
Brake sw sig
Cancel
Computer data lines system
Cruise control ind dimming sig
Cruise control switch signal
Cruise ind
Cruise switch
Dim fuse 15a
Ecm batt fuse 13 10a
Engine control module (ecm) (left front of engine compt, near fan shroud)
Exterior lights system
G103 (on front of right cylinder head)
G201 (upper left corner of dash)
Gmlan data bus+
Gmlan data bus-
Ground
Hi spd gmlan ser data bus+
Hi spd gmlan ser data bus-
Hot at all times
Hot w/ run/crank relay energized
I/p fuse block (left side of dash)
Inflatable restraint steering wheel module coil (behind steering wheel)
Instrument panel cluster (ipc)
Ipc fuse 48 10a
J106
J217
Left i/p junction block (lower left side of dash)
Left steering wheel control switch assembly
Logic
Low ref
Misc ign fuse 44 10a
Pnk
Res+
Ser data
Ser data bus+
Ser data bus-
Set-
Sound systems
Steering wheel cntrl sup volt
Stop lamp sw sig
Stop lamp switch (top of brake pedal assembly)
Tac motor ctrl 1
Tac motor ctrl 2
Tan
Throttle body
Tp sens 1 sig
Tp sens 2 sig
Transmission control module (tcm)
Underhood fuse block (left side of engine compt)
Vehicle speed sensor (vss) (on transmission tailshaft housing)
Vss hi sig
Vss lo sig
[5.3l (flex fuel) vin 0]
[except 5.3l (flex fuel) vin 0]

DEFOGGERS

Heated Mirrors Wiring Diagram, with AN3/DL3 Option for GMC Sierra HD 2007 2500

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List of elements for Heated Mirrors Wiring Diagram, with AN3/DL3 Option for GMC Sierra HD 2007 2500:

B4 x4
Battery
Computer data lines system
Ddm fuse 15a
Driver door switch (dds)
Fuse block (i/p) (left side of dash)
Fuse block (i/p) (left side of dash)
G200 (on right front corner of hvac module)
G201 (upper left corner of dash)
Ground
Hot at all times
Hvac control module
Junction block (right i/p) (in right end of dash)
Low ref
Outside rearview mirror (driver)
Outside rearview mirror (passenger)
Passenger door switch (pds)
Pdm fuse 15a
Power distribution system
R def
Rear defog switch
Serial data

Heated Mirrors Wiring Diagram, without AN3/DL3 Option for GMC Sierra HD 2007 2500

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List of elements for Heated Mirrors Wiring Diagram, without AN3/DL3 Option for GMC Sierra HD 2007 2500:

(gas) (diesel)
A7 x4
Auto a/c
D5 x4
G103 (diesel) g102 (gas except 4.3l) g107 (4.3l) (diesel: on front of right cylinder head) (gas except 4.3l: on lower front of engine) (4.3l: top left rear of engine)
G200 (on right front corner of hvac module)
G201 (upper left corner of dash)
Hot at all times
Htd mir fuse 53 fuse 51 30a
Hvac control module
Ign
J105 (in engine harness, 12 cm from ect sensor breakout)
J502
J603
Logic
Manual a/c
N5 x2
Nca
Outside rearview mirror (driver)
Outside rearview mirror (passenger)
Rear defog relay
Rear defog relay ctrl
Rear defog switch
Underhood fuse block (left side of engine compt)

Rear Defogger Wiring Diagram for GMC Sierra HD 2007 2500

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List of elements for Rear Defogger Wiring Diagram for GMC Sierra HD 2007 2500:

(gas) (diesel)
A x1
A x2
A7 x4
Auto a/c
B5 x4
Defogger grid
G103 (diesel) g102 (gas except 4.3l) g107 (4.3l) (diesel: on front of right cylinder head) (gas except 4.3l: on lower front of engine) (4.3l: top left rear of engine)
G304 (except crew cab) g307 (crew cab) (except crew cab: on lower right "b" pillar) (crew cab: at right rear corner of passenger compartment)
Hot at all times
Hvac control module
Ign
J105 (in engine harness, 12 cm from ect sensor breakout)
Logic
Manual a/c
N5 x2
Rear defog fuse 52 fuse 50 30a
Rear defog relay
Rear defog relay ctrl
Rear defog switch
Underhood fuse block (left side of engine compt)

ENGINE PERFORMANCE

4.3L VIN X

4.3L VIN X, Engine Performance Wiring Diagram (1 of 4) for GMC Sierra HD 2007 2500

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List of elements for 4.3L VIN X, Engine Performance Wiring Diagram (1 of 4) for GMC Sierra HD 2007 2500:

(top left rear of engine)
4wd lo
5v ref1
5v ref2
A/c cl ctl
A/c pres sig
A/c system
Acc ser data
Accelerator pedal position (app) sensor (above accelerator pedal)
Anti-lock brakes system
App1 sig
App2 sig
Axl sw sig
Body control module (lower left side of dash)
Cfan hi ctl
Cfan lo ctl
Computer data lines system
Cooling fans system
Engine control module (ecm) (left front of engine compt, near fan shroud)
Evap vent
Evaporative emissions (evap) canister vent solenoid valve (under rear of vehicle)
Fp rly ctl
Ftp sig
Fuel lvl
Fuel pump & sender assembly (in fuel tank)
Fuel pump fuse 21 20a
Fuel pump relay
Fuel tank pressure sensor (on fuel pump & sender assembly)
G106
G107
G300 (below driver's door, on body mount)
Gmlan (+)
Gmlan (-)
Gnd
Heated oxygen sensor (bank 1 sensor 2) (near left side of engine)
Heated oxygen sensor (bank 2 sensor 2) (near right side of engine)
Ho2s hi b1s2
Ho2s hi b2s2
Ho2s ht b1s2
Ho2s ht b2s2
Ho2s lo b1s2
Ho2s lo b2s2
Hot at all times
Iat sensor
Iat sig
Ig1
Ign
J104
J105 (in engine harness, 12cm from ect sensor breakout)
J106 (in engine harness, 23cm from map sensor breakout)
J331 (in chassis harness)
Lo ref
Maf sig
Mass airflow (maf)/intake air temperature (iat) sensor
Mil ctl
Nca
P/n sig
Pnk
Pnk b
Pwtn rly ctl
Signal
Starting & charging system
Strt rly ctl
Tan
Tan d
Tan e
Tcc sig
Tos sig
Transmission system
Transmission system exterior lights system
Underhood fuse block (left side of eng compt)
Vss

4.3L VIN X, Engine Performance Wiring Diagram (2 of 4) for GMC Sierra HD 2007 2500

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List of elements for 4.3L VIN X, Engine Performance Wiring Diagram (2 of 4) for GMC Sierra HD 2007 2500:

(not used)
Central sequential fuel injection
Ecm- batt fuse 13 10a
Ecm- ign fuse 58 15a
Ecm/throt cont fuse 6 15a
Eng fuse 5 15a
Fuel injectors
Hot at all times
Hot in run & start
Inj-a fuse 25 20a
J128 (in engine harness)
O2-b snsr fuse 9 10a
Pnk
Pnk b
Pnk d
Pnk e
Pnk h
Pnk j
Pnk l
Pwr/ trn relay
Tan
Tan a
Tan f
Tcm- batt fuse 15 15a
To o2-a snsr fuse (diagram 3 of 4)
Underhood fuse block (left side of eng compt)

4.3L VIN X, Engine Performance Wiring Diagram (3 of 4) for GMC Sierra HD 2007 2500

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List of elements for 4.3L VIN X, Engine Performance Wiring Diagram (3 of 4) for GMC Sierra HD 2007 2500:

(lower left side of dash) j/b (left i/p)
(upper left corner of dash)
Aux hvac- ign fuse 50 1oa
Body
Brake fluid level switch (on master cylinder)
Data lines system
Engine coolant temperature
Engine oil pressure
Engine oil pressure (eop) sensor
From inj-a fuse (diagram 2 of 4)
G103 (front of right cylinder head)
G201
Gnd
Heated oxygen sensor (bank 1 sensor 1) (near left side of engine)
Heated oxygen sensor (bank 2 sensor 1) (near right side of engine)
Hot at all times
Hot in run & start
Ic1
Ic2
Ic3
Ign
Ignition control module (right front of intake manifold)
Instrument panel cluster (ipc)
Ipc fuse 48 10a
Lo bus
Lo ref
Logic
Malfunction indicator lamp
Manifold absolute pressure (map) sensor
Nca
O2-a snsr fuse 19 10a
Pnk
Pnk f
Power distribution system
Tan
Throttle
Underhood fuse block (left side of eng compt)

4.3L VIN X, Engine Performance Wiring Diagram (4 of 4) for GMC Sierra HD 2007 2500

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List of elements for 4.3L VIN X, Engine Performance Wiring Diagram (4 of 4) for GMC Sierra HD 2007 2500:

5v ref1
5v ref2
Camshaft position sensor
Chg ind sig
Ckp sig
Cmp sig
Crankshaft position sensor
Ect sig
Engine control module (ecm) (left front of engine compt, near fan shroud)
Engine coolant temperature sensor
Eop sig
Evaporative emissions (evap) canister purge solenoid valve
G106
Gen fdc sig
Gnd
Ho2s hi b1s1
Ho2s hi b2s1
Ho2s htr b1s1
Ho2s htr b2s1
Ho2s lo b1s1
Ho2s lo b2s1
Ic 1 ctrl
Ic 2 ctrl
Ic 3 ctrl
Inj 1 ctrl
Inj 2 ctrl
Inj 3 ctrl
Inj 4 ctrl
Inj 5 ctrl
Inj 6 ctrl
Knock sensor 1
Knock sensor 2
Ks1 sig
Ks2 sig
Lo ref
Map sig
Sensor breakout)
Sol ctrl
Starting & charging system
Tac mot ctl 1
Tac mot ctl 2
Tan
Tp1 sig
Tp2 sig

4.8L VIN C

4.8L VIN C, Engine Performance Wiring Diagram (1 of 5) for GMC Sierra HD 2007 2500

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List of elements for 4.8L VIN C, Engine Performance Wiring Diagram (1 of 5) for GMC Sierra HD 2007 2500:

(in chassis
(on fuel pump & sender assembly)
4wd lo sig
5v ref(ac)
5v ref1
5v ref2
A/c cl ctl
A/c pres sig
A/c system
Acc ser data
Anti-lock brakes system cooling fans system
App1 sig
App2 sig
Axl sw sig
Body control module (lower left side of dash)
Brk sw sig
Cfan hi ctl
Cfan lo ctl
Computer data lines system
Cooling fans system
Dash-mount 4wd select
Engine control module (ecm) (left front of engine compt, near fan shroud)
Evap vent
Evaporative emissions (evap) canister vent solenoid valve (under rear of vehicle)
Exterior lights system
Ftp sig
Fuel ctl
Fuel lvl-pri
Fuel pump & sender assembly (primary) (in fuel tank)
Fuel tank pressure (ftp) sensor
G103 (on front of right cylinder head)
Gmlan (+)
Gmlan (-)
Gnd
Harness)
Heated oxygen sensor (bank 1 sensor 2) (near left side of engine)
Heated oxygen sensor (bank 2 sensor 2) (near right side of engine)
Ho2s hi b1s2
Ho2s hi b2s2
Ho2s ht b1s2
Ho2s ht b2s2
Ho2s lo b1s2
Ho2s lo b2s2
Iat sig
Ig1
J104
J106 (in engine harness, 23cm from map sensor breakout)
J207 (in i/p harness, 9cm from main harness assembly breakout)
J331
Lo ref
Maf sig
Mil ctl
Nca
P/n sig
Pnk
Pwtn rly ctl
Starting & charging system
Strt rly ctl
Tan
Tos
Transfer case shift control module (lower left side of dash)
Transmission system
Transmissions system
Vss
Vss lo sig

4.8L VIN C, Engine Performance Wiring Diagram (2 of 5) for GMC Sierra HD 2007 2500

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List of elements for 4.8L VIN C, Engine Performance Wiring Diagram (2 of 5) for GMC Sierra HD 2007 2500:

5v ref
Anti-lock brakes system
Bare wire
Computer data lines system
Ecm- ign fuse 58 15a
Fscm fuse 22 20a
Fscm shield
Fuel ctl
Fuel line pressure sensor (under left side of vehicle)
Fuel pres
Fuel system control module (fscm) (under rear of vehicle)
G300 (below driver's door, on body mount)
Gmlan (+)
Gmlan (-)
Gnd
Hot at all times
Hot in run & start
Ig1
J300 (in chassis harness, 15cm from g300 breakout)
Lo ref
Lo ref
Nca
Pnk
Pump (+)
Ser data en
Tan
Underhood fuse block (left side of eng compt)

4.8L VIN C, Engine Performance Wiring Diagram (3 of 5) for GMC Sierra HD 2007 2500

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List of elements for 4.8L VIN C, Engine Performance Wiring Diagram (3 of 5) for GMC Sierra HD 2007 2500:

(if equipped) camshaft actuator solenoid
(not used)
(upper left side of eng)
(upper right side of eng)
Accelerator pedal position (app) sensor (above accelerator pedal)
Ecm- batt fuse 13 10a
Ecm/throt cont fuse 6 15a
Eng fuse 5 15a
Fuel injectors
G103 (on front of right cylinder head)
Gnd
Hot at all times
Iat sensor
Ign
Inj-a fuse 25 20a
Inj-b fuse 14 20a
J106 (in engine harness, 23cm from map sensor breakout)
Mass airflow (maf)/intake air temperature (iat) sensor (right front of engine compt)
O2-b snsr fuse 9 10a
Pnk
Pnk a
Pnk b
Pwr/ trn relay
Signal
Tan
Tan b
Tan e
Tcm- batt fuse 15 15a
To o2-a snsr fuse (diagram 4 of 5)
Underhood fuse block (left side of eng compt)

4.8L VIN C, Engine Performance Wiring Diagram (4 of 5) for GMC Sierra HD 2007 2500

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List of elements for 4.8L VIN C, Engine Performance Wiring Diagram (4 of 5) for GMC Sierra HD 2007 2500:

(lower left side of dash) j/b (left i/p)
(on front of right cylinder head)
(right side of engine oil pan) engine oil level switch
(upper left corner of dash)
Aux hvac- ign fuse 50 1oa
Brake fluid level switch (on master cylinder)
Camshaft position sensor (front of engine, above crank pulley)
Crankshaft position sensor
Data lines system
Engine coolant temperature
Engine coolant temperature sensor (on top of engine)
Engine oil pressure
Engine oil pressure (eop) sensor (top rear of engine)
From inj-b fuse (diagram 3 of 5)
G103
G201
Heated oxygen sensor (bank 1 sensor 1) (near left side of engine)
Heated oxygen sensor (bank 2 sensor 1) (near right side of engine)
Hot at all times
Hot in run & start
Ign
Instrument panel cluster (ipc)
Ipc fuse 48 10a
J106 (in engine harness, 23cm from map sensor breakout)
Knock sensor 1 (lower left side of engine)
Knock sensor 2 (lower right side of engine)
Lo bus
Logic
Malfunction indicator lamp
Manifold absolute pressure (map) sensor (on top of intake manifold)
Nca
O2-a snsr fuse 19 10a
Pnk
Power distribution system
Tan
Underhood fuse block (left side of eng compt)

4.8L VIN C, Engine Performance Wiring Diagram (5 of 5) for GMC Sierra HD 2007 2500

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List of elements for 4.8L VIN C, Engine Performance Wiring Diagram (5 of 5) for GMC Sierra HD 2007 2500:

(below intake manifold) valve lifter oil manifold (vlom) assembly
(on intake manifold) evaporative emissions (evap) canister purge solenoid valve
5v ref1
5v ref2
A pnk
Cam sol ctl
Chg ind sig
Ckp sig
Cmp sig
Ctrl
Cyl off ctl 1
Cyl off ctl 2
Cyl off ctl 3
Cyl off ctl 4
Cylinder shutoff solenoid 1, cyl 1
Cylinder shutoff solenoid 2, cyl 4
Cylinder shutoff solenoid 3, cyl 6
Cylinder shutoff solenoid 4, cyl 7
E pnk
Ect sig
Engine control module (ecm) (left front of engine compt, near fan shroud)
Eop sig
Except 4.8l
G102 (on lower left front of engine)
Gen fdc sig
Gnd
Ho2s hi b1s1
Ho2s hi b2s1
Ho2s ht b1s1
Ho2s ht b2s1
Ho2s lo b1s1
Ho2s lo b2s1
Ic 1 ctl
Ic 2 ctl
Ic 3 ctl
Ic 4 ctl
Ic 5 ctl
Ic 6 ctl
Ic 7 ctl
Ic 8 ctl
Ign
Ignition coils
Inj 1 ctl
Inj 2 ctl
Inj 3 ctl
Inj 4 ctl
Inj 5 ctl
Inj 6 ctl
Inj 7 ctl
Inj 8 ctl
J107
J108
J109
J110
J111
J112
Ks1 sig
Ks2 sig
Lo ref
Map sig
Nca
Nca nca
Oil lvl sw sig
Pnk
Pnk d
Red c
Ref lo
Sol ctrl
Spark plug
Spark spark plug plug
Starting & charging system
Tac mot ctl 1
Tac mot ctl 2
Tan
Throttle body
Tp sens1 sig
Tp sens2 sig

5.3L VIN 0

5.3L VIN 0, Engine Performance Wiring Diagram (1 of 4) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN 0, Engine Performance Wiring Diagram (1 of 4) for GMC Sierra HD 2007 2500:

(below driver's door, on body mount)
(in chassis harness)
(in chassis harness, 15cm from g300 breakout) j300
(lower left front of engine)
(on fuel pump & sender assembly)
2500/ 4wd
4wd lo sig
5v ref(ac)
5v ref1
5v ref2
A/c cl ctl
A/c pres sig
A/c system
Acc ser data
Anti-lock brakes system cooling fans system
App1 sig
App2 sig
Axl sw sig
Body control module (lower left side of dash)
Brk sw sig
Cfan hi ctl
Cfan lo ctl
Computer data lines system
Cooling fans system
Dash-mount 4wd select
Engine control module (ecm) (left front of engine compt, near fan shroud)
Evap vent
Evaporative emissions (evap) canister vent solenoid valve (under rear of vehicle)
Except 2500/ 4wd
Exterior lights system
Ftp sig
Fuel ctl
Fuel ctl-sec
Fuel lvl-pri
Fuel lvl-sec
Fuel pump & sender assembly (primary) (in fuel tank)
Fuel pump & sender assembly (rear) (6.0l - 2500/3500)
Fuel pump fuse 21 20a
Fuel pump relay
Fuel pump relay (secondary) (6.0l - 2500/3500)
Fuel tank pressure (ftp) sensor
G102
G103 (on front of right cylinder head)
G300
G300 (below driver's door, on body mount)
Gmlan (+)
Gmlan (-)
Gnd
Heated oxygen sensor (bank 1 sensor 2) (near left side of engine)
Heated oxygen sensor (bank 2 sensor 2) (near right side of engine)
Ho2s hi b1s2
Ho2s hi b2s2
Ho2s ht b1s2
Ho2s ht b2s2
Ho2s lo b1s2
Ho2s lo b2s2
Hot at all times
Iat sig
Ig1
J104
J105 (in engine harness, 12cm from ect sensor breakout)
J106 (in engine harness, 23cm from map sensor breakout)
J207 (in i/p harness, 9cm from main harness assembly breakout)
J300 (in chassis harness, 15cm from g300 breakout)
J331
Lo ref
Maf sig
Mil ctl
Nca
P/n sig
Pnk
Pwtn rly ctl
Starting & charging system
Strt rly ctl
Tan
Tos (vss hi)
Transfer case shift control module (lower left side of dash)
Transmission system
Transmissions system
Underhood fuse block (left side of eng compt)
Vss
Vss lo sig

5.3L VIN 0, Engine Performance Wiring Diagram (2 of 4) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN 0, Engine Performance Wiring Diagram (2 of 4) for GMC Sierra HD 2007 2500:

(if equipped) camshaft actuator solenoid
(not used)
(upper left side of eng)
(upper right side of eng)
Accelerator pedal position (app) sensor (above accelerator pedal)
Ecm- batt fuse 13 10a
Ecm- ign fuse 58 15a
Ecm/throt cont fuse 6 15a
Eng fuse 5 15a
Fuel injectors
G103 (on front of right cylinder head)
Gnd
Hot at all times
Hot in run & start
Iat sensor
Ign
Inj-a fuse 25 20a
Inj-b fuse 14 20a
J106 (in engine harness, 23cm from map sensor breakout)
Mass airflow (maf)/intake air temperature (iat) sensor (right front of engine compt)
O2-b snsr fuse 9 10a
Pnk
Pnk a
Pnk b
Pwr/ trn relay
Signal
Tan
Tan b
Tan e
Tcm- batt fuse 15 15a
To o2-a snsr fuse 19 (diagram 3 of 4)
Underhood fuse block (left side of eng compt)

5.3L VIN 0, Engine Performance Wiring Diagram (3 of 4) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN 0, Engine Performance Wiring Diagram (3 of 4) for GMC Sierra HD 2007 2500:

(lower left side of dash) j/b (left i/p)
(on front of right cylinder head)
(right side of engine oil pan) engine oil level switch
(upper left corner of dash)
Aux hvac- ign fuse 50 1oa
Brake fluid level switch (on master cylinder)
Camshaft position sensor (front of engine, above crank pulley)
Crankshaft position sensor
Data lines system
Engine coolant temperature
Engine coolant temperature sensor (on top of engine)
Engine oil pressure
Engine oil pressure (eop) sensor (top rear of engine)
From inj-b fuse 14 (diagram 2 of 4)
G103
G201
Heated oxygen sensor (bank 1 sensor 1) (near left side of engine)
Heated oxygen sensor (bank 2 sensor 1) (near right side of engine)
Hot at all times
Hot in run & start
Ign
Instrument panel cluster (ipc)
Ipc fuse 48 10a
J106 (in engine harness, 23cm from map sensor breakout)
Knock sensor 1 (lower left side of engine)
Knock sensor 2 (lower right side of engine)
Lo bus
Logic
Malfunction indicator lamp
Manifold absolute pressure (map) sensor (on top of intake manifold)
Nca
O2-a snsr fuse 19 10a
Pnk
Power distribution system
Tan
Underhood fuse block (left side of eng compt)

5.3L VIN 0, Engine Performance Wiring Diagram (4 of 4) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN 0, Engine Performance Wiring Diagram (4 of 4) for GMC Sierra HD 2007 2500:

(below intake manifold) valve lifter oil manifold (vlom) assembly
(on intake manifold) evaporative emissions (evap) canister purge solenoid valve
5v ref1
5v ref2
A pnk
Cam sol ctl
Chg ind sig
Ckp sig
Cmp sig
Ctrl
Cyl off ctl 1
Cyl off ctl 2
Cyl off ctl 3
Cyl off ctl 4
Cylinder shutoff solenoid 1, cyl 1
Cylinder shutoff solenoid 2, cyl 4
Cylinder shutoff solenoid 3, cyl 6
Cylinder shutoff solenoid 4, cyl 7
E pnk
Ect sig
Engine control module (ecm) (left front of engine compt, near fan shroud)
Eop sig
G102 (on lower left front of engine)
Gen fdc sig
Gnd
Ho2s hi b1s1
Ho2s hi b2s1
Ho2s ht b1s1
Ho2s ht b2s1
Ho2s lo b1s1
Ho2s lo b2s1
Ic 1 ctl
Ic 2 ctl
Ic 3 ctl
Ic 4 ctl
Ic 5 ctl
Ic 6 ctl
Ic 7 ctl
Ic 8 ctl
Ign
Ignition coils
Inj 1 ctl
Inj 2 ctl
Inj 3 ctl
Inj 4 ctl
Inj 5 ctl
Inj 6 ctl
Inj 7 ctl
Inj 8 ctl
J107
J108
J109
J110
J111
J112
Ks1 sig
Ks2 sig
Lo ref
Map sig
Nca
Nca nca
Oil lvl sw sig
Pnk
Pnk d
Red c
Ref lo
Sol ctrl
Spark plug
Spark spark plug plug
Starting & charging system
Tac mot ctl 1
Tac mot ctl 2
Tan
Throttle body
Tp sens1 sig
Tp sens2 sig

5.3L VIN J

5.3L VIN J, Engine Performance Wiring Diagram (1 of 5) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN J, Engine Performance Wiring Diagram (1 of 5) for GMC Sierra HD 2007 2500:

(in chassis
(on fuel pump & sender assembly)
4wd lo sig
5v ref(ac)
5v ref1
5v ref2
A/c cl ctl
A/c pres sig
A/c system
Acc ser data
Anti-lock brakes system cooling fans system
App1 sig
App2 sig
Axl sw sig
Body control module (lower left side of dash)
Brk sw sig
Cfan hi ctl
Cfan lo ctl
Computer data lines system
Cooling fans system
Dash-mount 4wd select
Engine control module (ecm) (left front of engine compt, near fan shroud)
Evap vent
Evaporative emissions (evap) canister vent solenoid valve (under rear of vehicle)
Exterior lights system
Ftp sig
Fuel ctl
Fuel lvl-pri
Fuel pump & sender assembly (primary) (in fuel tank)
Fuel tank pressure (ftp) sensor
G103 (on front of right cylinder head)
Gmlan (+)
Gmlan (-)
Gnd
Harness)
Heated oxygen sensor (bank 1 sensor 2) (near left side of engine)
Heated oxygen sensor (bank 2 sensor 2) (near right side of engine)
Ho2s hi b1s2
Ho2s hi b2s2
Ho2s ht b1s2
Ho2s ht b2s2
Ho2s lo b1s2
Ho2s lo b2s2
Iat sig
Ig1
J104
J106 (in engine harness, 23cm from map sensor breakout)
J207 (in i/p harness, 9cm from main harness assembly breakout)
J331
Lo ref
Maf sig
Mil ctl
Nca
P/n sig
Pnk
Pwtn rly ctl
Starting & charging system
Strt rly ctl
Tan
Tos
Transfer case shift control module (lower left side of dash)
Transmission system
Transmissions system
Vss
Vss lo sig

5.3L VIN J, Engine Performance Wiring Diagram (2 of 5) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN J, Engine Performance Wiring Diagram (2 of 5) for GMC Sierra HD 2007 2500:

5v ref
Anti-lock brakes system
Bare wire
Computer data lines system
Ecm- ign fuse 58 15a
Fscm fuse 22 20a
Fscm shield
Fuel ctl
Fuel line pressure sensor (under left side of vehicle)
Fuel pres
Fuel system control module (fscm) (under rear of vehicle)
G300 (below driver's door, on body mount)
Gmlan (+)
Gmlan (-)
Gnd
Hot at all times
Hot in run & start
Ig1
J300 (in chassis harness, 15cm from g300 breakout)
Lo ref
Lo ref
Nca
Pnk
Pump (+)
Ser data en
Tan
Underhood fuse block (left side of eng compt)

5.3L VIN J, Engine Performance Wiring Diagram (3 of 5) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN J, Engine Performance Wiring Diagram (3 of 5) for GMC Sierra HD 2007 2500:

(if equipped) camshaft actuator solenoid
(not used)
(upper left side of eng)
(upper right side of eng)
Accelerator pedal position (app) sensor (above accelerator pedal)
Ecm- batt fuse 13 10a
Ecm/throt cont fuse 6 15a
Eng fuse 5 15a
Fuel injectors
G103 (on front of right cylinder head)
Gnd
Hot at all times
Iat sensor
Ign
Inj-a fuse 25 20a
Inj-b fuse 14 20a
J106 (in engine harness, 23cm from map sensor breakout)
Mass airflow (maf)/intake air temperature (iat) sensor (right front of engine compt)
O2-b snsr fuse 9 10a
Pnk
Pnk a
Pnk b
Pwr/ trn relay
Signal
Tan
Tan b
Tan e
Tcm- batt fuse 15 15a
To o2-a snsr fuse (diagram 4 of 5)
Underhood fuse block (left side of eng compt)

5.3L VIN J, Engine Performance Wiring Diagram (4 of 5) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN J, Engine Performance Wiring Diagram (4 of 5) for GMC Sierra HD 2007 2500:

(lower left side of dash) j/b (left i/p)
(on front of right cylinder head)
(right side of engine oil pan) engine oil level switch
(upper left corner of dash)
Aux hvac- ign fuse 50 1oa
Brake fluid level switch (on master cylinder)
Camshaft position sensor (front of engine, above crank pulley)
Crankshaft position sensor
Data lines system
Engine coolant temperature
Engine coolant temperature sensor (on top of engine)
Engine oil pressure
Engine oil pressure (eop) sensor (top rear of engine)
From inj-b fuse (diagram 3 of 5)
G103
G201
Heated oxygen sensor (bank 1 sensor 1) (near left side of engine)
Heated oxygen sensor (bank 2 sensor 1) (near right side of engine)
Hot at all times
Hot in run & start
Ign
Instrument panel cluster (ipc)
Ipc fuse 48 10a
J106 (in engine harness, 23cm from map sensor breakout)
Knock sensor 1 (lower left side of engine)
Knock sensor 2 (lower right side of engine)
Lo bus
Logic
Malfunction indicator lamp
Manifold absolute pressure (map) sensor (on top of intake manifold)
Nca
O2-a snsr fuse 19 10a
Pnk
Power distribution system
Tan
Underhood fuse block (left side of eng compt)

5.3L VIN J, Engine Performance Wiring Diagram (5 of 5) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN J, Engine Performance Wiring Diagram (5 of 5) for GMC Sierra HD 2007 2500:

(below intake manifold) valve lifter oil manifold (vlom) assembly
(on intake manifold) evaporative emissions (evap) canister purge solenoid valve
5v ref1
5v ref2
A pnk
Cam sol ctl
Chg ind sig
Ckp sig
Cmp sig
Ctrl
Cyl off ctl 1
Cyl off ctl 2
Cyl off ctl 3
Cyl off ctl 4
Cylinder shutoff solenoid 1, cyl 1
Cylinder shutoff solenoid 2, cyl 4
Cylinder shutoff solenoid 3, cyl 6
Cylinder shutoff solenoid 4, cyl 7
E pnk
Ect sig
Engine control module (ecm) (left front of engine compt, near fan shroud)
Eop sig
Except 4.8l
G102 (on lower left front of engine)
Gen fdc sig
Gnd
Ho2s hi b1s1
Ho2s hi b2s1
Ho2s ht b1s1
Ho2s ht b2s1
Ho2s lo b1s1
Ho2s lo b2s1
Ic 1 ctl
Ic 2 ctl
Ic 3 ctl
Ic 4 ctl
Ic 5 ctl
Ic 6 ctl
Ic 7 ctl
Ic 8 ctl
Ign
Ignition coils
Inj 1 ctl
Inj 2 ctl
Inj 3 ctl
Inj 4 ctl
Inj 5 ctl
Inj 6 ctl
Inj 7 ctl
Inj 8 ctl
J107
J108
J109
J110
J111
J112
Ks1 sig
Ks2 sig
Lo ref
Map sig
Nca
Nca nca
Oil lvl sw sig
Pnk
Pnk d
Red c
Ref lo
Sol ctrl
Spark plug
Spark spark plug plug
Starting & charging system
Tac mot ctl 1
Tac mot ctl 2
Tan
Throttle body
Tp sens1 sig
Tp sens2 sig

5.3L VIN M

5.3L VIN M, Engine Performance Wiring Diagram (1 of 5) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN M, Engine Performance Wiring Diagram (1 of 5) for GMC Sierra HD 2007 2500:

(in chassis
(on fuel pump & sender assembly)
4wd lo sig
5v ref(ac)
5v ref1
5v ref2
A/c cl ctl
A/c pres sig
A/c system
Acc ser data
Anti-lock brakes system cooling fans system
App1 sig
App2 sig
Axl sw sig
Body control module (lower left side of dash)
Brk sw sig
Cfan hi ctl
Cfan lo ctl
Computer data lines system
Cooling fans system
Dash-mount 4wd select
Engine control module (ecm) (left front of engine compt, near fan shroud)
Evap vent
Evaporative emissions (evap) canister vent solenoid valve (under rear of vehicle)
Exterior lights system
Ftp sig
Fuel ctl
Fuel lvl-pri
Fuel pump & sender assembly (primary) (in fuel tank)
Fuel tank pressure (ftp) sensor
G103 (on front of right cylinder head)
Gmlan (+)
Gmlan (-)
Gnd
Harness)
Heated oxygen sensor (bank 1 sensor 2) (near left side of engine)
Heated oxygen sensor (bank 2 sensor 2) (near right side of engine)
Ho2s hi b1s2
Ho2s hi b2s2
Ho2s ht b1s2
Ho2s ht b2s2
Ho2s lo b1s2
Ho2s lo b2s2
Iat sig
Ig1
J104
J106 (in engine harness, 23cm from map sensor breakout)
J207 (in i/p harness, 9cm from main harness assembly breakout)
J331
Lo ref
Maf sig
Mil ctl
Nca
P/n sig
Pnk
Pwtn rly ctl
Starting & charging system
Strt rly ctl
Tan
Tos
Transfer case shift control module (lower left side of dash)
Transmission system
Transmissions system
Vss
Vss lo sig

5.3L VIN M, Engine Performance Wiring Diagram (2 of 5) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN M, Engine Performance Wiring Diagram (2 of 5) for GMC Sierra HD 2007 2500:

5v ref
Anti-lock brakes system
Bare wire
Computer data lines system
Ecm- ign fuse 58 15a
Fscm fuse 22 20a
Fscm shield
Fuel ctl
Fuel line pressure sensor (under left side of vehicle)
Fuel pres
Fuel system control module (fscm) (under rear of vehicle)
G300 (below driver's door, on body mount)
Gmlan (+)
Gmlan (-)
Gnd
Hot at all times
Hot in run & start
Ig1
J300 (in chassis harness, 15cm from g300 breakout)
Lo ref
Lo ref
Nca
Pnk
Pump (+)
Ser data en
Tan
Underhood fuse block (left side of eng compt)

5.3L VIN M, Engine Performance Wiring Diagram (3 of 5) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN M, Engine Performance Wiring Diagram (3 of 5) for GMC Sierra HD 2007 2500:

(if equipped) camshaft actuator solenoid
(not used)
(upper left side of eng)
(upper right side of eng)
Accelerator pedal position (app) sensor (above accelerator pedal)
Ecm- batt fuse 13 10a
Ecm/throt cont fuse 6 15a
Eng fuse 5 15a
Fuel injectors
G103 (on front of right cylinder head)
Gnd
Hot at all times
Iat sensor
Ign
Inj-a fuse 25 20a
Inj-b fuse 14 20a
J106 (in engine harness, 23cm from map sensor breakout)
Mass airflow (maf)/intake air temperature (iat) sensor (right front of engine compt)
O2-b snsr fuse 9 10a
Pnk
Pnk a
Pnk b
Pwr/ trn relay
Signal
Tan
Tan b
Tan e
Tcm- batt fuse 15 15a
To o2-a snsr fuse (diagram 4 of 5)
Underhood fuse block (left side of eng compt)

5.3L VIN M, Engine Performance Wiring Diagram (4 of 5) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN M, Engine Performance Wiring Diagram (4 of 5) for GMC Sierra HD 2007 2500:

(lower left side of dash) j/b (left i/p)
(on front of right cylinder head)
(right side of engine oil pan) engine oil level switch
(upper left corner of dash)
Aux hvac- ign fuse 50 1oa
Brake fluid level switch (on master cylinder)
Camshaft position sensor (front of engine, above crank pulley)
Crankshaft position sensor
Data lines system
Engine coolant temperature
Engine coolant temperature sensor (on top of engine)
Engine oil pressure
Engine oil pressure (eop) sensor (top rear of engine)
From inj-b fuse (diagram 3 of 5)
G103
G201
Heated oxygen sensor (bank 1 sensor 1) (near left side of engine)
Heated oxygen sensor (bank 2 sensor 1) (near right side of engine)
Hot at all times
Hot in run & start
Ign
Instrument panel cluster (ipc)
Ipc fuse 48 10a
J106 (in engine harness, 23cm from map sensor breakout)
Knock sensor 1 (lower left side of engine)
Knock sensor 2 (lower right side of engine)
Lo bus
Logic
Malfunction indicator lamp
Manifold absolute pressure (map) sensor (on top of intake manifold)
Nca
O2-a snsr fuse 19 10a
Pnk
Power distribution system
Tan
Underhood fuse block (left side of eng compt)

5.3L VIN M, Engine Performance Wiring Diagram (5 of 5) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN M, Engine Performance Wiring Diagram (5 of 5) for GMC Sierra HD 2007 2500:

(below intake manifold) valve lifter oil manifold (vlom) assembly
(on intake manifold) evaporative emissions (evap) canister purge solenoid valve
5v ref1
5v ref2
A pnk
Cam sol ctl
Chg ind sig
Ckp sig
Cmp sig
Ctrl
Cyl off ctl 1
Cyl off ctl 2
Cyl off ctl 3
Cyl off ctl 4
Cylinder shutoff solenoid 1, cyl 1
Cylinder shutoff solenoid 2, cyl 4
Cylinder shutoff solenoid 3, cyl 6
Cylinder shutoff solenoid 4, cyl 7
E pnk
Ect sig
Engine control module (ecm) (left front of engine compt, near fan shroud)
Eop sig
Except 4.8l
G102 (on lower left front of engine)
Gen fdc sig
Gnd
Ho2s hi b1s1
Ho2s hi b2s1
Ho2s ht b1s1
Ho2s ht b2s1
Ho2s lo b1s1
Ho2s lo b2s1
Ic 1 ctl
Ic 2 ctl
Ic 3 ctl
Ic 4 ctl
Ic 5 ctl
Ic 6 ctl
Ic 7 ctl
Ic 8 ctl
Ign
Ignition coils
Inj 1 ctl
Inj 2 ctl
Inj 3 ctl
Inj 4 ctl
Inj 5 ctl
Inj 6 ctl
Inj 7 ctl
Inj 8 ctl
J107
J108
J109
J110
J111
J112
Ks1 sig
Ks2 sig
Lo ref
Map sig
Nca
Nca nca
Oil lvl sw sig
Pnk
Pnk d
Red c
Ref lo
Sol ctrl
Spark plug
Spark spark plug plug
Starting & charging system
Tac mot ctl 1
Tac mot ctl 2
Tan
Throttle body
Tp sens1 sig
Tp sens2 sig

6.0L VIN Y

6.0L VIN Y, Engine Performance Wiring Diagram (1 of 5) for GMC Sierra HD 2007 2500

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List of elements for 6.0L VIN Y, Engine Performance Wiring Diagram (1 of 5) for GMC Sierra HD 2007 2500:

(in chassis
(on fuel pump & sender assembly)
4wd lo sig
5v ref(ac)
5v ref1
5v ref2
A/c cl ctl
A/c pres sig
A/c system
Acc ser data
Anti-lock brakes system cooling fans system
App1 sig
App2 sig
Axl sw sig
Body control module (lower left side of dash)
Brk sw sig
Cfan hi ctl
Cfan lo ctl
Computer data lines system
Cooling fans system
Dash-mount 4wd select
Engine control module (ecm) (left front of engine compt, near fan shroud)
Evap vent
Evaporative emissions (evap) canister vent solenoid valve (under rear of vehicle)
Exterior lights system
Ftp sig
Fuel ctl
Fuel lvl-pri
Fuel pump & sender assembly (primary) (in fuel tank)
Fuel tank pressure (ftp) sensor
G103 (on front of right cylinder head)
Gmlan (+)
Gmlan (-)
Gnd
Harness)
Heated oxygen sensor (bank 1 sensor 2) (near left side of engine)
Heated oxygen sensor (bank 2 sensor 2) (near right side of engine)
Ho2s hi b1s2
Ho2s hi b2s2
Ho2s ht b1s2
Ho2s ht b2s2
Ho2s lo b1s2
Ho2s lo b2s2
Iat sig
Ig1
J104
J106 (in engine harness, 23cm from map sensor breakout)
J207 (in i/p harness, 9cm from main harness assembly breakout)
J331
Lo ref
Maf sig
Mil ctl
Nca
P/n sig
Pnk
Pwtn rly ctl
Starting & charging system
Strt rly ctl
Tan
Tos
Transfer case shift control module (lower left side of dash)
Transmission system
Transmissions system
Vss
Vss lo sig

6.0L VIN Y, Engine Performance Wiring Diagram (2 of 5) for GMC Sierra HD 2007 2500

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List of elements for 6.0L VIN Y, Engine Performance Wiring Diagram (2 of 5) for GMC Sierra HD 2007 2500:

5v ref
Anti-lock brakes system
Bare wire
Computer data lines system
Ecm- ign fuse 58 15a
Fscm fuse 22 20a
Fscm shield
Fuel ctl
Fuel line pressure sensor (under left side of vehicle)
Fuel pres
Fuel system control module (fscm) (under rear of vehicle)
G300 (below driver's door, on body mount)
Gmlan (+)
Gmlan (-)
Gnd
Hot at all times
Hot in run & start
Ig1
J300 (in chassis harness, 15cm from g300 breakout)
Lo ref
Lo ref
Nca
Pnk
Pump (+)
Ser data en
Tan
Underhood fuse block (left side of eng compt)

6.0L VIN Y, Engine Performance Wiring Diagram (3 of 5) for GMC Sierra HD 2007 2500

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List of elements for 6.0L VIN Y, Engine Performance Wiring Diagram (3 of 5) for GMC Sierra HD 2007 2500:

(if equipped) camshaft actuator solenoid
(not used)
(upper left side of eng)
(upper right side of eng)
Accelerator pedal position (app) sensor (above accelerator pedal)
Ecm- batt fuse 13 10a
Ecm/throt cont fuse 6 15a
Eng fuse 5 15a
Fuel injectors
G103 (on front of right cylinder head)
Gnd
Hot at all times
Iat sensor
Ign
Inj-a fuse 25 20a
Inj-b fuse 14 20a
J106 (in engine harness, 23cm from map sensor breakout)
Mass airflow (maf)/intake air temperature (iat) sensor (right front of engine compt)
O2-b snsr fuse 9 10a
Pnk
Pnk a
Pnk b
Pwr/ trn relay
Signal
Tan
Tan b
Tan e
Tcm- batt fuse 15 15a
To o2-a snsr fuse (diagram 4 of 5)
Underhood fuse block (left side of eng compt)

6.0L VIN Y, Engine Performance Wiring Diagram (4 of 5) for GMC Sierra HD 2007 2500

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List of elements for 6.0L VIN Y, Engine Performance Wiring Diagram (4 of 5) for GMC Sierra HD 2007 2500:

(lower left side of dash) j/b (left i/p)
(on front of right cylinder head)
(right side of engine oil pan) engine oil level switch
(upper left corner of dash)
Aux hvac- ign fuse 50 1oa
Brake fluid level switch (on master cylinder)
Camshaft position sensor (front of engine, above crank pulley)
Crankshaft position sensor
Data lines system
Engine coolant temperature
Engine coolant temperature sensor (on top of engine)
Engine oil pressure
Engine oil pressure (eop) sensor (top rear of engine)
From inj-b fuse (diagram 3 of 5)
G103
G201
Heated oxygen sensor (bank 1 sensor 1) (near left side of engine)
Heated oxygen sensor (bank 2 sensor 1) (near right side of engine)
Hot at all times
Hot in run & start
Ign
Instrument panel cluster (ipc)
Ipc fuse 48 10a
J106 (in engine harness, 23cm from map sensor breakout)
Knock sensor 1 (lower left side of engine)
Knock sensor 2 (lower right side of engine)
Lo bus
Logic
Malfunction indicator lamp
Manifold absolute pressure (map) sensor (on top of intake manifold)
Nca
O2-a snsr fuse 19 10a
Pnk
Power distribution system
Tan
Underhood fuse block (left side of eng compt)

6.0L VIN Y, Engine Performance Wiring Diagram (5 of 5) for GMC Sierra HD 2007 2500

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List of elements for 6.0L VIN Y, Engine Performance Wiring Diagram (5 of 5) for GMC Sierra HD 2007 2500:

(below intake manifold) valve lifter oil manifold (vlom) assembly
(on intake manifold) evaporative emissions (evap) canister purge solenoid valve
5v ref1
5v ref2
A pnk
Cam sol ctl
Chg ind sig
Ckp sig
Cmp sig
Ctrl
Cyl off ctl 1
Cyl off ctl 2
Cyl off ctl 3
Cyl off ctl 4
Cylinder shutoff solenoid 1, cyl 1
Cylinder shutoff solenoid 2, cyl 4
Cylinder shutoff solenoid 3, cyl 6
Cylinder shutoff solenoid 4, cyl 7
E pnk
Ect sig
Engine control module (ecm) (left front of engine compt, near fan shroud)
Eop sig
Except 4.8l
G102 (on lower left front of engine)
Gen fdc sig
Gnd
Ho2s hi b1s1
Ho2s hi b2s1
Ho2s ht b1s1
Ho2s ht b2s1
Ho2s lo b1s1
Ho2s lo b2s1
Ic 1 ctl
Ic 2 ctl
Ic 3 ctl
Ic 4 ctl
Ic 5 ctl
Ic 6 ctl
Ic 7 ctl
Ic 8 ctl
Ign
Ignition coils
Inj 1 ctl
Inj 2 ctl
Inj 3 ctl
Inj 4 ctl
Inj 5 ctl
Inj 6 ctl
Inj 7 ctl
Inj 8 ctl
J107
J108
J109
J110
J111
J112
Ks1 sig
Ks2 sig
Lo ref
Map sig
Nca
Nca nca
Oil lvl sw sig
Pnk
Pnk d
Red c
Ref lo
Sol ctrl
Spark plug
Spark spark plug plug
Starting & charging system
Tac mot ctl 1
Tac mot ctl 2
Tan
Throttle body
Tp sens1 sig
Tp sens2 sig

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for GMC Sierra HD 2007 2500

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List of elements for Back-up Lamps Wiring Diagram for GMC Sierra HD 2007 2500:

Back-up alarm
Bck/up
Bck/up lamp pcb relay
Body control module (bcm) (lower left side of dash)
G102 (on lower left front of engine) (w/o 1500) g107 (top left rear of engine) (w/ 1500) g103 (on front of right cylinder head) (diesel)
G300 (below driver's door, on body mount)
G401 (on left rear body mount)
Hot at all times
Inside rearview mirror
J105
J410
Left backup lamp
Left i/p junction block (lower left side of dash)
Nca
Rear lamps junction box (inside of left rear frame rail)
Right backup lamp
Trlr bck/up fuse 11 10a
Underhood fuse block (left side of engine compt)
Veh bck/up fuse 16 10a
X10

Exterior Lamps Wiring Diagram (1 of 3) for GMC Sierra HD 2007 2500

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List of elements for Exterior Lamps Wiring Diagram (1 of 3) for GMC Sierra HD 2007 2500:

(diesel) x1
(in right end of dash) right i/p junction block
(left side of dash) i/p fuse block
(w/ 4.3l) x1
(w/o 4.3l) x1
Battery +
Body control module (bcm) (lower left side of dash)
Chevy models
Chmsl rly
Driver door switch (pds)
Driver outside rearview mirror
Engine control module (ecm) (on left side of frame assembly)
Fuse block (i/p) (left side of dash)
G100 (on lower left radiator support)
G101 (on lower right radiator support)
G201 (upper left corner of dash)
Gmc models
Hot at all times
Hz sw
Hz sw l trn
Hz sw r trn
J102
J103
J230
Lf trn sig
Lower left front park/ turn signal lamp
Lower right front park/ turn signal lamp
Lr stp/trn
Lt stop trn fuse 15a
Min
Passenger door switch (pds)
Passenger outside rearview mirror
Power take off (pto) module
Prk lp rly
Rf trn sig
Rn/crk rly
Rr stp/trn
Rt stop trn fuse 15a
Tan
Tcc brk
Transmission control module (tcm) (left front of eng compt near fan shroud)
Turn signal/ multifunction switch (on left side of steering column)
Underhood fuse block (left side of engine x1 compt)
Upper left front park/ turn signal lamp
Upper right front park/ turn signal lamp
W/ 4l60e/4l70e
W/ 6l80/6l90
W/ power folding mirrors
W/o power folding mirrors

Exterior Lamps Wiring Diagram (2 of 3) for GMC Sierra HD 2007 2500

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List of elements for Exterior Lamps Wiring Diagram (2 of 3) for GMC Sierra HD 2007 2500:

Cargo lamp center high mounted stop lamp (chmsl)
Chevy models
Chmsl fuse 51 fuse 49 15a
Chmsl pcb relay
Diesel
G100 (on lower left radiator support)
G101 (on lower right radiator support)
G102 (on lower left front of engine) (w/o 4.3l) g107 (top left rear of engine) (w/ 4.3l) g103 (on front of right cylinder head) (diesel)
G200 (on right front corner of hvac module)
Gasoline
Gmc models
Hot at all times
J100
J101
J102
J103
J105
Left front marker lamp
Left i/p junction block (lower x1 left side of dash)
Lower left front part/ turn signal lamp
Lower right front part/ turn signal lamp
Lt prk fuse 27 fuse 25 15a
Maj
Misc ign fuse 44 fuse 42 10a
Park lamp relay
Pnk
Right front marker lamp
Rt prk fuse 28 fuse 26 15a
Run/ crank relay
Stop lamp switch (top of brake pedal assembly)
Trailer connector
Trlr prk fuse 26 fuse 24 15a
Underhood fuse block (left side of engine compt)
Upper left front part/ turn signal lamp
Upper right front part/ turn signal lamp

Exterior Lamps Wiring Diagram (3 of 3) for GMC Sierra HD 2007 2500

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List of elements for Exterior Lamps Wiring Diagram (3 of 3) for GMC Sierra HD 2007 2500:

(in right end of dash) right i/p junction block
(inside of left rear frame rail) rear lamps junction box
(w/ chevy models)
(w/ gmc models)
Clear- ance lamps
G200 (on right front corner of hvac module)
G300 (below driver's door, on body mount) (w/ chevy models)
G300 (below driver's door, on body mount) (w/ gmc models)
G401 (on left rear body mount)
Grd
J337
J419
Left front clear- ance lamp
Left license lamp
Left rear clear- ance lamp
Left rear marker lamp
Left roof marker lamp
Lower left tail/ stop and turn signal lamp
Lower right tail/ stop and turn signal lamp
Mjr
Mnr
Rear lamps junction box (inside of left rear frame rail) x1
Rear lamps junction box (inside of left rear frame rail) x3
Right front clear- ance lamp
Right license lamp
Right rear clear- ance lamp
Right rear marker lamp
Right roof marker lamp
Tailgate marker lamp
Upper left tail/ stop and turn signal lamp
Upper right tail/ stop and turn signal lamp

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 6) for GMC Sierra HD 2007 2500

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List of elements for Ground Distribution Wiring Diagram (1 of 6) for GMC Sierra HD 2007 2500:

(4.3l)
(4.8l, 5.3l & 6.0l)
(except 4.3l)
(gas: on lower left front of engine, diesel: on lower left front of engine)
(partial)
(strap)
A/c compressor clutch
Auxiliary battery relay
Battery (left) (w/ auxiliary battery)
Battery (right)
Bck/up lamp pcb relay
Chmsl pcb relay
Cooling fan
Cooling fan diode 1 (10 series)
Diesel
Fan cntrl relay
Fan rly relay
Front axle actuator
Front washer diode
Fuel pump relay
G100 (on lower left radiator support)
G101 (on lower right radiator support)
G102
G103 (on front of right cylinder head)
G104 (front of left cylinder head)
G107 (top left rear of engine)
G108 (on left side of firewall)
Gas
Hood ajar switch
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Ignition coil 5
Ignition coil 6
Ignition coil 7
Ignition coil 8
J100 (in forward lamp harn)
J101 (in forward lamp harn)
J105 (in engine harn, 12 cm from ect sensor breakout)
J108
J111
J141
J145
Left front fog lamp
Left front marker lamp (gmc)
Left front park/turn signal lamp (lower)
Left front park/turn signal lamp (upper)
Left high beam headlamp
Left horn
Left low beam headlamp
Nca
Rear defog relay
Right cooling fan
Right front fog lamp
Right front marker lamp (gmc)
Right front park/turn signal lamp (lower)
Right front park/turn signal lamp (upper)
Right high beam headlamp
Right horn
Right low beam headlamp
Run relay
Run/ crnk relay
Strtr relay
Transfer case shift control module
Transfer case shift control switch
Underhood fuse block (left side of engine compt)
W/ manual shift control
Washer fluid level switch
Windshield washer fluid pump
Windshield wiper motor
Wiper control pcb relay
Wiper high speed diode
Wiper low speed diode
X1 b
X2 n5
X3 d

Ground Distribution Wiring Diagram (2 of 6) for GMC Sierra HD 2007 2500

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List of elements for Ground Distribution Wiring Diagram (2 of 6) for GMC Sierra HD 2007 2500:

(4 spd a/t)
(4.8l/5.3l/6.0l)
(6 spd a/t)
(diesel)
(partial)
4 spd a/t
4.3l
6 spd a/t
A/c low pressure switch
Alarm back-up (if equipped)
Bare
Body control module (bcm)
Ckp sensor shield
Cmp sensor shield
Diesel
Engine control module (ecm)
Engine coolant level switch
Engine oil level switch
Except 4.3l
Front courtesy/ reading lamps
Fuel heater
Fuel pressure regulator shield
Fuel rail pressure (frp) sensor shield
Fuse a 30a
Fuse c 30a
G103 (on front of right cylinder head)
G105
G106
G106 (diesel) (lower left side of engine)
G110 (left side of firewall)
G111 (on left side of firewall)
G403
Garage door opener
Glow plug control module (gpcm)
Ignition control module (icm)
Inflatable restraint passenger airbag on/off indicator
J106 (in engine harn, 23 cm from map sensor breakout)
J171
J175
J219
J323
Mass air flow (maf)/ intake air temperature (iat) sensors
Mobile radio fuse block (behind right side of dash)
Nca
Park/ neutral position switch
Power take off (pto) module
Red
Relay a
Relay b
Roof beacon relay (if equipped)
Roof beacon switch (if equipped)
Sliding rear window switch
To j328 (diagram 3 of 6)
Transmission control module (pcm)
W/ frt pass presence detector
Water in fuel sensor
Windshield washer solvent heater
X1 (4.8l/5.3l/6.0l)
X2 (4.3l)
X2 (diesel)

Ground Distribution Wiring Diagram (3 of 6) for GMC Sierra HD 2007 2500

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List of elements for Ground Distribution Wiring Diagram (3 of 6) for GMC Sierra HD 2007 2500:

(automatic a/c)
(emergency lamp)
(manual a/c)
(on right front corner of hvac module) g200
(w/ folding mirror)
(w/o folding mirror)
3a7
4a7
A/t shift lock control solenoid
Auxiliary power outlet (bin)
Auxiliary power outlet (console)
Auxiliary power outlet (front 1)
Auxiliary power outlet (front 2)
Blower motor control module
Cargo lamp/center high mounted stop lamp (chmsl)
Cb6
Clearance lamps
Data link connector
Driver information center (dic) switch
Electronic adjustable pedals pcb relay
Emergency vehicle roof lamp relay or wrecker relay
From j323 (diagram 2 of 6)
Front inside air temperature sensor
Heated steering wheel
Heated steering wheel control module
Horn switch
Hvac control module
Inflatable restraint steering wheel module coil (behind steering wheel)
Inside rearview mirror (isrvm)
J200 (in i/p harn, 14 cm from left i/p junction block breakout)
J203 (in i/p harn, 13 cm from radio connector (or dic) breakout)
J214
J215
J223
J324
J328 (in headliner harn, 5 cm from front inside air temperature sensor breakout)
J334
J603
Left i/p junction block (lower left side of dash)
Left roof marker lamp
Left steering wheel control switch assembly
Left sunshade (if equipped)
Nca
Outside moisture sensor (if equipped)
Park enable pcb realy
Passenger door switch
Passenger outside rear view mirror
Passenger window switch
Rear courtesy/ reading lamps
Right i/p junction block (in right end of dash)
Right roof marker lamp
Right steering wheel control switch assembly
Right sunshade (if equipped)
Sunroof module
Sunroof switch
Sunroof w/ roof lamp provision
Sunroof w/ roof roof lamp provision w/o roof marker lamp
Transfer case shift control switch
W/ a/t transmission & heated steering wheel
W/ accessory steering control
W/ comfort & decor level #3
W/ extended cab/crew cab
W/ heated mirror
W/ luxury edition
W/ roof marker lamp
W/ roof mounted lamp provision
W/ steering control
W/0 heated mirror
W/o a/t transmission & heated steering wheel
W/o steering control
X1 (wrecker emergency lamp)
X1 a
X2 d1
X2 k
X276 b
X277 b
X4 b
X6 b

Ground Distribution Wiring Diagram (4 of 6) for GMC Sierra HD 2007 2500

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List of elements for Ground Distribution Wiring Diagram (4 of 6) for GMC Sierra HD 2007 2500:

(automatic a/c)
(manual a/c)
3a3
Ambient light sensor
Ambient light/ sunload sensor assembly
Automatic transmission shift lever
Auxiliary body control module (xbcm)
Body control module (bcm)
Brake fluid level switch
Data link connector
Door lock/unlock pcb relay (crew cab w/ individual frt seats)
Driver door latch assembly
Driver door lock switch
Driver door switch (dds)
Driver outside rearview mirror (osrvm)
Driver window switch
Front door lock diode
Front door unlock diode
G201 (upper left corner of dash)
Headlamp & panel dimming switch
Hvac control module
I/p multifunction switch assembly
Instrument panel cluster (ipc)
J201 (in i/p harn, in headlamp & dimmer switch breakout)
J230
J502
J602
Left i/p junction block (lower left side of dash)
Lock pcb relay (w/o individual frt seats & folding mirror)
Nca
Outside rearview mirror (osrvm) switch
Passenger door latch assembly
Passenger door lock switch
Rear door lock diode
Rear door unlock diode
Right i/p junction block (in right end of dash)
Theft deterrent control module
Turn signal/ multifunction switch
Unlock pcb relay (w/o individual frt seats & folding mirror)
W/ automatic a/c
W/ folding mirror
W/ manual a/c
W/ power window
W/ side door lock
W/o folding mirror
W/o power window
W/o side door lock
Wind shield wiper motor
Windshield washer solvent heater
X1 e1
X1 k2

Ground Distribution Wiring Diagram (5 of 6) for GMC Sierra HD 2007 2500

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List of elements for Ground Distribution Wiring Diagram (5 of 6) for GMC Sierra HD 2007 2500:

(not used)
(partial)
(w/ luxury edition)
(w/o luxury edition)
4.3l & 5.3l flex fuel
6.0l
Audio amplifier
Audio amplifier (w/o luxury edition)
Camper w/ 5th wheel trailer
Chevrolet
Chime module (if equipped)
Digital radio receiver
Electronic brake control module (ebcm)
Except 4.3l & 5.3l
Except camper w/ 5th wheel trailer
Front fuel pump & sender assembly
Front system control module
Fuel pump
G300 (below driver's door, on body mount)
G301 (below left side of passenger's seat)
G401 (on left rear body mount)
Gmc
Grd
Infrared module
J300 (in chassis harn, 15 cm from g300 breakout)
J330
J410
Left i/p junction block (lower left side of dash)
Nca
Radio
Rear fuep pump & sensder assembly (6.0l)
Rear lamps junction block (inside of left rear frame rail)
Rear seat audio (rsa) controller
Right rear backup lamp
Right rear marker lamp
Right tail/ stop & turn signal lamp (lower)
Right tail/ stop & turn signal lamp (upper)
Secondary fuel pump relay (6.0l)
Trailer connector
Vehicle communication interface module (vcim)
Video display
W/ amplifier
W/ auxiliary fuel tank
W/ luxury edition
W/o amplifier
W/o auxiliary fuel tank
W/o luxury edition
X1 a5
X1 b
X12
X2 c2
X2 d

Ground Distribution Wiring Diagram (6 of 6) for GMC Sierra HD 2007 2500

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List of elements for Ground Distribution Wiring Diagram (6 of 6) for GMC Sierra HD 2007 2500:

(extended cab/crew cab)
(in body harn, 14 cm from passenger seat in-line connector breakout)
(on left rear body mount) g401
(partial)
(w/ front individual seat)
Bin auxiliary power outlet
Center seat auxiliary power outlet
Chevrolet
Console auxiliary power outlet
Crew cab/ extended cab w/ performance audio
Defogger grid
Driver seat adjuster switch
Except crew cab/ extended cab w/ performance audio
Except regular cab
G302 (below right side of passenger's seat)
G303 (on lower left "b" pillar)
G304 (on lower right "b" pillar)
G307 (at right rear corner of passenger compt)
Gmc
Grd
Grd
Inflatable restraint passenger presence system (pps) module
Inflatable restraint sensing & diagnostic module (sdm)
Inflatable restraint vehicle rollover sensor
J302 (in body harn, 22 cm from g301 breakout)
J304
J306
J314
J335 (in auxiliary window harn)
J411
J412
J413
Left front clearance lamp
Left license lamp
Left rear backup lamp
Left rear door latch assembly
Left rear marker lamp
Left rear window switch
Left tail/ stop & turn signal lamp (lower)
Left tail/ stop & turn signal lamp (upper)
Memory seat module
Nca
Passenger seat adjuster switch
Passenger seat lumbar switch
Rear lamps junction block (inside of left rear frame rail)
Rear object sensor control module
Regular cab
Remote control door lock receiver (rcdlr)
Right front clearance lamp
Right license lamp
Right rear clearance lamp
Right rear door latch assembly
Right rear window switch
Sliding rear window close relay
Sliding rear window open relay
Tailgate marker lamp
Trailer brake controller module (tbcm)
Trailer brake controller solid state relay
W/ abv/az3
W/ active brake control
W/ brake trailer control module
W/ crew cab
W/ frt individual seat
W/ rear defogger
W/ rear park assist
W/ roof side airbag
W/o abv/az3
W/o active brake control
W/o brake trailer control module
W/o crew cab
W/o rear defogger
W/o rear park assist
W/o roof side airbag
X1 e
X2 a
X2 b2
Yaw rate & lateral acceleration sensor

HEADLIGHTS

Headlights Wiring Diagram for GMC Sierra HD 2007 2500

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List of elements for Headlights Wiring Diagram for GMC Sierra HD 2007 2500:

Amb lght
Ambient light sensor (w/o cj2) ambient light/ sunload sensor assembly (w/ cj2)
Auto
Body control module (bcm) (lower left side of dash)
Chevy models
Diesel
Drl 2 fuse 34 fuse 32 10a
Drl fuse 32 fuse 30 10a
Drl pcb relay
Drl rly
Flash to pass
Fog
Fog lamp fuse 29 fuse 27 15a
Fog lamp relay
Fog lmp rly
Fog lp sw
G100 (on lower left radiator support)
G101 (on lower right radiator support)
G201 (upper left corner of dash)
Gasoline
Gmc models
Hdlp dim sw sig
Hdlp lo/hid relay
Hdlp off
Hdlp on
Head
Headlamp and panel dimmer switch
Hi beam pcb relay
Hi beam rly
Hi hdlp lt fuse 33 fuse 31 10a
Hi hdlp rt fuse 31 fuse 29 10a
Hi/lo beam select
Hot at all times
J100
J101
J201
J230
Left front fog lamp
Left high beam lamp
Left i/p junction box (lower left side of dash)
Left low beam lamp
Lo beam rly
Lo hdlp lt fuse 12 20a
Lo hdlp rt fuse 17 20a
Park
Park brake switch
Pk brake sig
Prk lmp
Right front fog lamp
Right high beam lamp
Right low beam lamp
Turn signal/ multifunction switch
Underhood fuse block (left side of engine compt)
W/ cj2
W/o cj2

HORN

Horn Wiring Diagram for GMC Sierra HD 2007 2500

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List of elements for Horn Wiring Diagram for GMC Sierra HD 2007 2500:

B x1
Body control module (lower left side of dash)
G100 (on lower left radiator support)
G101 (on lower right radiator support)
G200 (on right front corner of hvac module)
Horn fuse 30 (gas) fuse 28 (diesel) 15a
Horn pcb relay
Horn relay control
Horn switch
Hot at all times
Inflatable restraint steering wheel module coil (behind steering wheel)
J x2
J100
J101
Left horn (lower left front of vehicle)
Right horn (lower right front of vehicle)
Tan
Underhood fuse block (on left side of engine compartment)
X4 g1

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram (1 of 2) for GMC Sierra HD 2007 2500

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List of elements for Instrument Cluster Wiring Diagram (1 of 2) for GMC Sierra HD 2007 2500:

4wd ind
Abs ind
Air bag ind
Aux hvac-ign fuse 50 fuse 48 10a
Body control module (bcm) (lower left side of dash)
Brake ind
Brk fld sig
Charge
Computer data lines system
Coolant temp gauge
Cruise ind
Dic sw sig
Diesel
Fog lamp ind
Fuel gauge
G102 (on lower left front of engine) (w/o 4.3l) g107 (top left rear of engine) (w/ 4.3l) g103 (on front of right cylinder head) (diesel)
G201 (upper left corner of dash)
Gasoline
Gmlan serial
Grd
High beam ind
Hot at all times
Ign 1
Ind (mil) malfunction
Instrument panel cluster
Ipc fuse 48 fuse 46 10a
J105
J220
Led cntrl
Left i/p junction block (lower left side of dash)
Left turn ind
Low oil ind
Low ref
Low washer
Message display
Mil cntrl
Odometer
Oil gauge
Pass ab ind
Pnk
Prnd321
Pss seat belt
Right turn ind
Run/ crank relay
Run/crk
Seat belt ind
Security ind
Speedometer
Tachometer
Tan
Tire pressure ind
Tow/haul ind
Traction control ind
Transmission temp gauge
Trip
Underhood fuse block (left side of engine compt)
Variable dimming
Volts gauge
Wait to start ind (diesel)
Wait to strt
Wiper/washer system

Instrument Cluster Wiring Diagram (2 of 2) for GMC Sierra HD 2007 2500

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List of elements for Instrument Cluster Wiring Diagram (2 of 2) for GMC Sierra HD 2007 2500:

(diesel) (gas)
Diesel
Driver information center (dic) switch
Engine control module (ecm) (left front of eng compt, near fan shroud)
Engine oil pressure sensor (top rear of engine)
Front fuel pump and sender assembly
Fuel lvl sig
G200 (on right front corner of hvac module)
Gasoline
Grd
Interior lights system
J203
Malfunc
Oil press sig
Pnk
Primary fuel level sensor
Rear fuel pump and sender assembly
Secondary fuel level sensor
W/ 4.3l
W/o 4.3l
Wait to strt

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram for GMC Sierra HD 2007 2500

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List of elements for Courtesy Lamps Wiring Diagram for GMC Sierra HD 2007 2500:

Bcm fuse 10a
Body control module (bcm) (lower left side of dash)
Cargo lamp/ center high mounted stop lamp (chmsl)
Def sw
Defeat sw
Dome
Dome lp sw
Dome sw
Front courtesy reading lamps
G200 (on right front corner of hvac module)
G201 (upper left corner of dash)
Headlamp and panel dimmer switch
Hot at all times
I/p fuse block (left side of dash)
Is lps fuse 10a
J201
J323
J327 (in headliner harness, 15 cm from front inside air temperature sensor breakout)
J328
Left i/p junction block x9 (lower left side of dash)
Left vanity mirror lamp
Reading
Reading lamps
Rear courtesy reading lamps (w/ extended crew cab)
Right vanity mirror lamp
Volt
X10
X12

Instrument Illumination Wiring Diagram (1 of 2) for GMC Sierra HD 2007 2500

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List of elements for Instrument Illumination Wiring Diagram (1 of 2) for GMC Sierra HD 2007 2500:

(lower left side of dash) left i/p junction block
(on lower left "b" pillar) g303
(on lower right "b" pillar) g304
12v
2 hi
4 hi
4 lo
Awd
Bcm fuse 10a
Body control module (bcm) (lower left side of dash)
Dim cntrl
Dim fuse 15a
Dim sig
Dr door
Driver information center (dic) switch
G200 (on right front corner of hvac module)
G201 (upper left corner of dash)
Headlamp and panel dimmer switch
Hot at all times
Hvac control module
I/p fuse block (left side of dash)
I/p multifunction switch assembly
Inflatable restraint steering wheel module coil
Instrument panel cluster (ipc)
J200
J201
J203
J214
Led dim
Left rear window switch
Left steering wheel control switch assembly
Lf dr sw
Logic
Lr dr sw
Pnk
Power take off (pto) module
Power take off (pto) switch
Radio
Rear object sensor control module
Rf dr sw
Right rear window switch
Right steering wheel control switch assembly
Rr dr sw
Swc bklt fuse 2a
Tan
Trailer brake control panel switch
Trailer brake controller module
Transfer case shift control module
Transfer case shift control switch
Windshield washer solvent heater
X10
X11

Instrument Illumination Wiring Diagram (2 of 2) for GMC Sierra HD 2007 2500

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List of elements for Instrument Illumination Wiring Diagram (2 of 2) for GMC Sierra HD 2007 2500:

(in body harness)
(in right end of dash) right i/p junction block
(upper left corner of dash) g201
(w/o memory) driver door latch assembly
(w/o memory) passenger door latch assembly
Driver door latch assembly (w/ memory)
Driver door lock switch
Driver door switch (dds)
Driver window switch
G200 (on right front corner of hvac module)
G201 (upper left corner of dash)
G303 (on lower left "b" pillar)
G304 (on lower right "b" pillar)
Garage door opener
J301
J322
J323
J324
J502
J602
J603
J604
Left rear door latch assembly
Logic
Outside rearview mirror (osrvm) switch
Passenger door latch assembly (w/ memory)
Passenger door lock switch
Passenger door switch (pds)
Passenger window switch
Right rear door latch assembly
Roof beacon switch
Sliding rear window switch
Sunroof switch
Tan
W/ electric lock
W/o electric lock

MEMORY SYSTEMS

Adjustable Pedal Wiring Diagram for GMC Sierra HD 2007 2500

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List of elements for Adjustable Pedal Wiring Diagram for GMC Sierra HD 2007 2500:

12v
Driver seat 2 cb3 25a
Dsm fuse 10a
Electronic adjustable pedal assembly
G303 (on lower left "b" pillar)
Grd
Hot at all times
I/p fuse block (left side of dash)
I/p multifunction switch assembly
J309
J310
J312
Left i/p junction block (lower left side of dash)
Left i/p junction block (lower left x2 side of dash)
Memory seat module (under driver's seat)
Memory system (driver's memory seat)
Mtr cntl
Pnk
Sns sig
Sw sig
Tan
X12
X13

Driver"s Memory Seat Wiring Diagram (1 of 2) for GMC Sierra HD 2007 2500

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List of elements for Driver"s Memory Seat Wiring Diagram (1 of 2) for GMC Sierra HD 2007 2500:

12v
Adj pedl mtr
Adj pedl sig
Dr heated st
Dr horiz mtr
Dr lumb mtr
Dr recln mtr
Dr temp sig
Dr vert mtr
Driver seat 2 cb3 25a
Driver seat adjuster assembly (in driver's seat track)
Driver seat lumbar horizontal motor
Driver seat lumbar horizontal motor position sensor
Driver seat lumbar vertical motor
Driver seat recline motor (lower right side of driver seatback)
Driver seat recline position sensor
Dsm fuse 10a
G303 (on lower left "b" pillar)
Grd
Horiz mtr sig
Hot at all times
I/p fuse block (left side of dash)
J309
J310
J340
J341
Left i/p junction block (lower left side of dash)
Lumb mtr sig
Memory seat module (under driver's seat)
Pnk
Ps heated st
Recln mtr sig
Seats system (adjustable pedals circuit)
Seats system (heated seats circuit)
Tan
Vert mtr sig
X12

Driver"s Memory Seat Wiring Diagram (2 of 2) for GMC Sierra HD 2007 2500

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List of elements for Driver"s Memory Seat Wiring Diagram (2 of 2) for GMC Sierra HD 2007 2500:

(not used)
12v
Adj pedl sig
Adj pedl sw
Computer data lines system
Driver door switch (dds)
Driver seat adjuster switch
Driver seat lumbar switch
Front dn
Fwd
Gmlan
Horiz sw
Horz sw
Lmb forw sw
Lmb rerw sw
Low ref
Lumb dn sw
Lumb up sw
Memory seat module (under driver's seat)
Memory/heated seat switch
Pnk
Rear dn
Rear up
Recln fwd
Recln rwd
Recln sw
Rwd
Seats system (adjustable pedals circuit)
Seats system (heated seats circuit)
Sw sig
Tan
Up front
Vert dn sw
Vert up sw

NAVIGATION

Navigation Wiring Diagram, with Y91 & with UQA (1 of 3) for GMC Sierra HD 2007 2500

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List of elements for Navigation Wiring Diagram, with Y91 & with UQA (1 of 3) for GMC Sierra HD 2007 2500:

(diesel)
(gas)
(in overhead console) cellular microphone
(lower left side of dash) left i/p junction block
Amp fuse 42 fuse 40 30a
Aud sig
Cellular, navigation and digital radio antenna
Computer data lines system
Digital radio receiver
Drain wire
G301 (below left side of passenger's seat)
Gmlan
Gmlan+
Gmlan-
Grd
Green led
Hot at all times
Infiotmnt fuse 47 fuse 45 15a
Interior lights system
J204
Keypad sig
L aud+
L aud-
Led cntrl
Lf aud+
Lf aud-
Low ref
Lr aud+
Lr aud-
Mast antenna
Navigation antenna
Nca
Pins: 6-16 not used
Pnk
R aud+
R aud-
Radio
Rdo fuse 43 fuse 41 15a
Red led
Rem sig
Rf aud+
Rf aud-
Rr aud+
Rr aud-
Tan
Tele sig
Underhood fuse block (left side of engine compt)
Vehicle communication interface module (vcim) (upper right side of dash)
Voice sig
W/ gps
W/o gps
X12

Navigation Wiring Diagram, with Y91 & with UQA (2 of 3) for GMC Sierra HD 2007 2500

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List of elements for Navigation Wiring Diagram, with Y91 & with UQA (2 of 3) for GMC Sierra HD 2007 2500:

(on left side of center console) noise compensation microphone
(under rear of center console) audio amplifier
Amplf+
Amplf-
Computer data lines system
Drain wire
F aud-
F centr spk+
F centr spk-
G301 (below left side of passenger's seat)
Gmlan
Grd
Infrared ref
Infrared v
Inside rearview mirror (isrvm)
J330
L infrared
L subwfr-
Lf aud+
Lf aud-
Lf spk+
Lf spk-
Lr aud+
Lr aud-
Microph volt
Nca
Pnk
R infrared
R subwfr+
R subwfr-
Rear seat audio (rsa) controller
Rf aud+
Rf spk+
Rf spk-
Rr aud+
Rr aud-
Subwfr+
Subwoofer speaker
Tan

Navigation Wiring Diagram, with Y91 & with UQA (3 of 3) for GMC Sierra HD 2007 2500

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List of elements for Navigation Wiring Diagram, with Y91 & with UQA (3 of 3) for GMC Sierra HD 2007 2500:

Ampl+
Ampl-
Anti-lock brakes system
Aud low ref
Audio/video adapter
Aux vid h
Aux video h
Center speaker
Drain wire
Dvd aud com
Dvd aud sh
Dvd comm
Dvd+
Dvd-
Enable sig
Grd
I/p fuse block (left side of dash)
Infrared module (in headliner)
Infrared+
Infrared-
L aud sig
L aux aud
L aux vid
L dvd+
Left front speaker
Left front tweeter speaker
Left rear door speaker
Nca
Pnk
R aud sig
R aux aud
R aux vid
R dvd+
Radio
Right front speaker
Right front tweeter speaker
Right i/p junction block (in right end of dash)
Right rear door speaker
Signal+
Signal-
Tan
Video cntrl
Video display
Video sig
Volt
Vss

Navigation Wiring Diagram, with Y91 & without UQA (1 of 3) for GMC Sierra HD 2007 2500

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List of elements for Navigation Wiring Diagram, with Y91 & without UQA (1 of 3) for GMC Sierra HD 2007 2500:

(diesel)
(gas)
(in overhead console) cellular microphone
(lower left side of dash) left i/p junction block
Amp fuse 42 fuse 40 30a
Aud sig
Cellular, navigation and digital radio antenna
Computer data lines system
Digital radio receiver
Drain wire
G301 (below left side of passenger's seat)
Gmlan
Gmlan+
Gmlan-
Grd
Green led
Hot at all times
Infiotmnt fuse 47 fuse 45 15a
Interior lights system
J204
Keypad sig
L aud+
L aud-
Led cntrl
Lf spk+
Lf spk-
Low ref
Lr aud+
Lr aud-
Mast antenna
Navigation antenna
Nca
Pins: 6-16 not used
Pnk
R aud+
R aud-
Radio
Rdo fuse 43 fuse 41 15a
Red led
Rem sig
Rf spk+
Rf spk-
Rr aud+
Rr aud-
Tan
Tele sig
Underhood fuse block (left side of engine compt)
Vehicle communication interface module (vcim) (upper right side of dash)
Voice sig
W/ gps
W/o gps
X12

Navigation Wiring Diagram, with Y91 & without UQA (2 of 3) for GMC Sierra HD 2007 2500

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List of elements for Navigation Wiring Diagram, with Y91 & without UQA (2 of 3) for GMC Sierra HD 2007 2500:

(on left side of center console) noise compensation microphone
(under rear of center console) audio amplifier
Amplf+
Amplf-
Computer data lines system
Drain wire
F centr spk+
F centr spk-
G301 (below left side of passenger's seat)
Gmlan
Grd
Infrared ref
Infrared v
Inside rearview mirror (isrvm)
J330
L infrared
L subwfr-
Microph volt
Nca
Pnk
R infrared
R subwfr+
R subwfr-
Rear seat audio (rsa) controller
Subwfr+
Subwoofer speaker
Tan

Navigation Wiring Diagram, with Y91 & without UQA (3 of 3) for GMC Sierra HD 2007 2500

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List of elements for Navigation Wiring Diagram, with Y91 & without UQA (3 of 3) for GMC Sierra HD 2007 2500:

(w/o regular cab) left rear door speaker (w/ regular cab) left rear speaker
(w/o regular cab) right rear door speaker (w/ regular cab) right rear speaker
Ampl+
Ampl-
Anti-lock brakes system
Aud low ref
Audio/video adapter
Aux vid h
Aux video h
Center speaker
Drain wire
Dvd aud com
Dvd aud sh
Dvd comm
Dvd+
Dvd-
Enable sig
Grd
I/p fuse block (left side of dash)
Infrared module (in headliner)
Infrared+
Infrared-
L aud sig
L aux aud
L aux vid
L dvd+
Left front speaker
Left front tweeter speaker
Nca
Pnk
R aud sig
R aux aud
R aux vid
R dvd+
Radio
Right front speaker
Right front tweeter speaker
Right i/p junction block (in right end of dash)
Signal+
Signal-
Tan
Video cntrl
Video display
Video sig
Volt
Vss

Navigation Wiring Diagram, without Y91 & with UQA (1 of 3) for GMC Sierra HD 2007 2500

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List of elements for Navigation Wiring Diagram, without Y91 & with UQA (1 of 3) for GMC Sierra HD 2007 2500:

(diesel)
(gas)
(in overhead console) cellular microphone
(lower left side of dash) left i/p junction block
Amp fuse 42 fuse 40 30a
Ampl cntrl
Aud sig
Cellular, navigation and digital radio antenna
Computer data lines system
Digital radio receiver
Drain wire
G301 (below left side of passenger's seat)
Gmlan
Gmlan+
Gmlan-
Grd
Green led
Hot at all times
Infiotmnt fuse 47 fuse 45 15a
Interior lights system
Keypad sig
L aud+
L aud-
Led cntrl
Lf aud+
Lf aud-
Low ref
Lr aud+
Lr aud-
Mast antenna
Navigation antenna
Nca
Pins: 6-16 not used
Pnk
R aud+
R aud-
Radio
Rdo fuse 43 fuse 41 15a
Red led
Rem sig
Rf aud+
Rf aud-
Rr aud+
Rr aud-
Tan
Tele sig
Underhood fuse block (left side of engine compt)
Vehicle communication interface module (vcim) (upper right side of dash)
Voice sig
W/ gps
W/o gps
X12

Navigation Wiring Diagram, without Y91 & with UQA (2 of 3) for GMC Sierra HD 2007 2500

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List of elements for Navigation Wiring Diagram, without Y91 & with UQA (2 of 3) for GMC Sierra HD 2007 2500:

(under rear of center console) audio amplifier
Ampl cntrl
Computer data lines system
Drain wire
F aud-
G301 (below left side of passenger's seat)
Gmlan
Grd
Infrared ref
Infrared v
Inside rearview mirror (isrvm)
J330
L infrared
L subwfr+
L subwfr-
Lf aud+
Lf aud-
Lf spk+
Lf spk-
Lr aud+
Lr aud-
Nca
Pnk
R infrared
R subwfr+
R subwfr-
Rear seat audio (rsa) controller
Rem enable
Rf aud+
Rf spk+
Rf spk-
Rr aud
Rr aud+
Rr aud-
Subwoofer speaker
Tan

Navigation Wiring Diagram, without Y91 & with UQA (3 of 3) for GMC Sierra HD 2007 2500

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List of elements for Navigation Wiring Diagram, without Y91 & with UQA (3 of 3) for GMC Sierra HD 2007 2500:

Anti-lock brakes system
Aud low ref
Audio/video adapter
Aux vid h
Aux video h
Drain wire
Dvd aud com
Dvd aud sh
Dvd comm
Dvd+
Dvd-
Enable sig
Grd
I/p fuse block (left side of dash)
Infrared module (in headliner)
Infrared+
Infrared-
L aud sig
L aux aud
L aux vid
L dvd+
Left front speaker
Left front tweeter speaker
Left rear door speaker
Nca
Pnk
R aud sig
R aux aud
R aux vid
R dvd+
Radio
Right front speaker
Right front tweeter speaker
Right i/p junction block (in right end of dash)
Right rear door speaker
Signal+
Signal-
Tan
Video cntrl
Video display
Video sig
Volt
Vss

Navigation Wiring Diagram, without Y91 & without UQA (1 of 3) for GMC Sierra HD 2007 2500

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List of elements for Navigation Wiring Diagram, without Y91 & without UQA (1 of 3) for GMC Sierra HD 2007 2500:

(diesel)
(gas)
(in overhead console) cellular microphone
(lower left side of dash) left i/p junction block
Amp fuse 42 fuse 40 30a
Ampl cntrl
Aud sig
Cellular, navigation and digital radio antenna
Computer data lines system
Digital radio receiver
Drain wire
G301 (below left side of passenger's seat)
Gmlan
Gmlan+
Gmlan-
Grd
Green led
Hot at all times
Infiotmnt fuse 47 fuse 45 15a
Interior lights system
Keypad sig
L aud+
L aud-
Led cntrl
Lf spk+
Lf spk-
Low ref
Lr aud+
Lr aud-
Mast antenna
Navigation antenna
Nca
Pins: 6-16 not used
Pnk
R aud+
R aud-
Radio
Rdo fuse 43 fuse 41 15a
Red led
Rem sig
Rf spk+
Rf spk-
Rr aud+
Rr aud-
Tan
Tele sig
Underhood fuse block (left side of engine compt)
Vehicle communication interface module (vcim) (upper right side of dash)
Voice sig
W/ gps
W/o gps
X12

Navigation Wiring Diagram, without Y91 & without UQA (2 of 3) for GMC Sierra HD 2007 2500

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List of elements for Navigation Wiring Diagram, without Y91 & without UQA (2 of 3) for GMC Sierra HD 2007 2500:

(under rear of center console) audio amplifier
Ampl cntrl
Computer data lines system
Drain wire
G301 (below left side of passenger's seat)
Gmlan
Grd
Infrared ref
Infrared v
Inside rearview mirror (isrvm)
J330
L infrared
L subwfr+
L subwfr-
Lr aud+
Lr aud-
Nca
Pnk
R infrared
R subwfr+
R subwfr-
Rear seat audio (rsa) controller
Rem enable
Rr aud
Rr aud+
Rr aud-
Subwoofer speaker
Tan

Navigation Wiring Diagram, without Y91 & without UQA (3 of 3) for GMC Sierra HD 2007 2500

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List of elements for Navigation Wiring Diagram, without Y91 & without UQA (3 of 3) for GMC Sierra HD 2007 2500:

(w/o regular cab) left rear door speaker (w/ regular cab) left rear speaker
(w/o regular cab) right rear door speaker (w/ regular cab) right rear speaker
Anti-lock brakes system
Aud low ref
Audio/video adapter
Aux vid h
Aux video h
Drain wire
Dvd aud com
Dvd aud sh
Dvd comm
Dvd+
Dvd-
Enable sig
Grd
I/p fuse block (left side of dash)
Infrared module (in headliner)
Infrared+
Infrared-
L aud sig
L aux aud
L aux vid
L dvd+
Left front speaker
Left front tweeter speaker
Nca
Pnk
R aud sig
R aux aud
R aux vid
R dvd+
Radio
Right front speaker
Right front tweeter speaker
Right i/p junction block (in right end of dash)
Signal+
Signal-
Tan
Video cntrl
Video display
Video sig
Volt
Vss

Parking Assistant Wiring Diagram for GMC Sierra HD 2007 2500

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List of elements for Parking Assistant Wiring Diagram for GMC Sierra HD 2007 2500:

(below right side of passenger's seat) g302
(license lamp harness, 20 cm from right rear object sensors)
(license lamp harness, 28 cm from left rear object sensors) j403
(upper left corner of dash) g201
Amber ind
B5 x2
Body control module (bcm) (lower left side of dash)
Computer data lines system
Disable sig
Gmlan
Grd
Hot at all times
I/p fuse block (left side of dash)
I/p multifunction switch assembly
Ind dim
Information center telltale assembly
J201
J302
J404
Led disable
Left i/p junction block (lower left side of dash)
Left rear corner object sensor (left corner of rear bumper)
Left rear middle object sensor (left side of rear bumper)
Low ref
Lr sns sig
Obs det fuse 10a
Rear object sensor control module (at rear cargo area, behind trim panel)
Red ind
Right rear corner object sensor (right corner of rear bumper)
Right rear middle object sensor (right side of rear bumper)
Rr sns sig
Sns sig

POWER DISTRIBUTION

4.3L VIN X

4.3L VIN X, Power Distribution Wiring Diagram (1 of 5) for GMC Sierra HD 2007 2500

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List of elements for 4.3L VIN X, Power Distribution Wiring Diagram (1 of 5) for GMC Sierra HD 2007 2500:

(a)
(b)
(left i/p) (lower left side of dash)
(lower front of engine)
(man a/c)
(no information available)
(not used)
Acc
Alc/ comp fuse 60 40a
Auxiliary battery
Auxiliary battery relay (right rear corner of engine compt)
B1 x2
Battery (left)
Battery (right)
Body control module
Camper/ fifth wheel trailer
Dual battery
Emergency vehicle
Emergency vehicle roof lamp relay roof beacon relay
Except 12v power
Except 12v power/ auxiliary battery
Except camper/ fifth wheel trailer
Except ye9 package
Fuse a 30a a8
Fuse b 30a b8
Fuse block (mobile radio) (behind right side of dash)
Fuse block (underhood) (right side x6
Fuse c 30a c8
Fuse d 30a d8
Fuse holder (underhood) (right side of firewall)
G102
G103 (front of right cylinder head)
Garage door opener
Generator
Hvac control module
Igniii
Inclination sensor
J/b
J/b (left i/p) (lower left side of dash)
J/b (left i/p) x2-b1 (same diagram)
J/b (right i/p) (right end of dash)
J/b (right i/p) (right end of x2 dash)
J209
J210
J211
J219
J224
J227
J414
Lgm fuse 73 30a
Mega fuse 125a
Mega fuse 175a
Mega fuse 60a
Nca
Of firewall)
Power take-off module
Red
Relay a
Relay b
Roof beacon
Roof beacon or sunroof
Roof beacon switch
Roof-mounted (emergency) lighting
Run relay
S/roof fuse 35 30a
Security indicator lamp
Seo b1 fuse 54 15a
Seo b2 fuse 38 30a
Shock sensor
Sliding rear window- switch
Starter
Stud 1 fuse 70 40a
Stud 2 fuse 65 30a
Sun roof
Sunroof module
To ctsy fuse (diagram 2 of 5)
To ecm-batt fuse (diagram 3 of 5)
To lbec 2 fuse (diagram 2 of 5)
To mbec 1 fuse (diagram 4 of 5)
To pdm fuse (diagram 2 of 5)
To run/crank relay (diagram 5 of 5)
To s/roof fuse (same diagram)
Trailer brake controller solid-state relay
Trailer connector
W/12v power
W/12v power/ auxiliary battery
Window switch- driver
Window switch- passenger
Windshield washer solvent heater
Wrecker
Wrecker relay (right rear corner of engine compt)
X10
X13
X14
X2 (auto a/c)
Ye9 package

4.3L VIN X, Power Distribution Wiring Diagram (2 of 5) for GMC Sierra HD 2007 2500

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List of elements for 4.3L VIN X, Power Distribution Wiring Diagram (2 of 5) for GMC Sierra HD 2007 2500:

(lower right "b" pillar) g304
(not used)
(right front corner of hvac module) g200
A3 a7
Automatic power mirror
Aux pwr 2 fuse 20a
Aux pwr fuse 20a
Auxiliary power outlet (bin)
Auxiliary power outlet (center seat)
Auxiliary power outlet (console)
Auxiliary power outlet (front 1)
Auxiliary power outlet (front 2)
Bcm fuse 10a
Body control module (bcm)
Cooled seats fuse 30a
Crew cab w/ individual front seats
Ctsy fuse 15a
Data link connector
Ddm fuse 15a 15a
Dim fuse 15a
Door latch assembly (driver)
Door latch assembly (left rear)
Door latch assembly (passenger)
Door latch assembly (right rear)
Driver door switch (dds)
Dsm fuse 10a
Dvr unlck fuse 15a
Except console
Except luxury edition
Except premium sound
From j/b (left i/p) x1-l2 (diagram 1 of 5)
From lgm fuse d (diagram 1 of 5)
Fuse block (i/p) (left side of dash)
Fuse block (underhood) (right side of firewall)
Is lps fuse 10a
J/b (left i/p) (lower left side of dash)
J/b (right i/p) (right end of dash)
J203 (in i/p harness, 13 cm from radio connector breakout)
J304 (in body harness, 14 cm from passenger seat in-line connector breakout)
Lbec 1 fuse 66 60a
Lbec 2 fuse 74 60a
Lck 1 fuse 15a
Lck 2 fuse 15a
Lock pcb relay
Lock/ unlock pcb relay
Lt dr circuit breaker 25a
Lt stop trn fuse 15a
Ltr fuse 55 20a
Luxury edition
Memory seat module
Obs det fuse 10a
Outside rear view mirror switch
Passenger door switch (pds)
Pdm fuse 15a
Power locks w/o automatic power mirror
Premium sound
Pwr mir fuse 2a
Rear hvac fuse 30a
Rear object sensor control module
Rear seat fuse 20a
Rear wpr fuse 25a
Remote control door lock receiver (rcdlr)
Rt stop trn fuse 15a
Stop lamps fuse 15a
Tan
Unlck 1 fuse 15a
Unlck 2 fuse 15a
Unlock pcb relay
W/ console
W/o automatic power mirror
W/o ye9 package x4
Window switch (driver)
Window switch (left rear)
Ye9 package x2

4.3L VIN X, Power Distribution Wiring Diagram (3 of 5) for GMC Sierra HD 2007 2500

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List of elements for 4.3L VIN X, Power Distribution Wiring Diagram (3 of 5) for GMC Sierra HD 2007 2500:

(4-spd)
(6-spd)
(auto a/c)
(man a/c)
(not used)
A/c cmprsr relay
Abs 2 fuse 10 25a
Abs-1 fuse 63 40a
Air bag batt fuse 46 15a
Amp fuse 42 30a
Audio amplifier
Blower motor control module
Body control module (bcm)
Chime module
Cooling fan (left)
Cooling fan (right)
Digital radio receiver
Ecm- batt fuse 13 10a
Elec run board fuse 67 30a
Electronic brake control module (ebcm)
Engine control module (ecm)
Esc/alh exh fuse 3 30a
Evaporative emissions (evap) canister vent solenoid valve
Except luxury
Exp/ pto fuse 49 15a
Fan hi relay
Fan lo relay
Fan-1 fuse 40a
Fan-2 fuse 40a
From lgm fuse e (diagram 1 of 5)
Frt wash pcb relay
Frt wpr fuse 37 25a
Fscm fuse 22 20a
Fuel pump relay
Fuel system control module (fscm)
Fuse block (underhood) (right side of firewall)
Gps except luxury
Gps w/ luxury
Hdlp wash fuse 23 20a
Heavy duty abs fuse 61 60a
Horn pcb relay
Hvac batt fuse 40 10a
Hvac blwr fuse 72 40a
Hvac control module
Inflatable restraint passenger presence system (pps) module
Inflatable restraint sensing & diagnostic module (sdm)
Inflatable restraint vehicle rollover sensor (asf)
Infotmnt fuse 47 15a
Instrument panel cluster (ipc)
Ipc fuse 48 10a
Itbc fuse 7 15a
J/b (left i/p) (lower left side of dash)
J/b (right i/p) (right side of dash)
J127
J204
Luxury
Nca
No radio
Power take-off (pto) relay
Radio
Rdo fuse 43 15a
Rear defog relay
Rear enter- tainment except luxury
Rear enter- tainment w/luxury
Rear seat audio (rsa) controller
Red
Strtr relay
Tcm- batt fuse 15 15a
Trailer brake controller module (tbcm)
Transfer case encoder motor
Transfer case shift control module
Transmission control module (tcm)
Trec fuse 69 30a
Video communication interface module (vcim)
Video display
Windshield washer solvent heater
Windshield wiper motor
Wiper control pcb relay
Wiper speed pcb relay
Wsw/htr fuse 68 60a
X11

4.3L VIN X, Power Distribution Wiring Diagram (4 of 5) for GMC Sierra HD 2007 2500

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List of elements for 4.3L VIN X, Power Distribution Wiring Diagram (4 of 5) for GMC Sierra HD 2007 2500:

(4-speed)
(6-speed)
(except 4.3l)
(not used)
(or e)
6-way power seat
Acc
Auto power mirror
Body control module (bcm)
Dlis fuse 36 2a
Driver seat 2 circuit breaker cb3 25a
Eap fuse 39 15a
Electronic adjustable pedal assembly
Electronic adjustable pedals pcb relay
Engine control module (ecm)
Except 6-way power seat
Except auto power mirror
Except pushbutton 4wd range selectable
From lgm fuse f (diagram 1 of 5)
Fuse block (underhood) (right side of firewall)
I/p multifunction switch assembly
Ign iii
Ignition switch
J/b (left i/p) (lower left side of dash)
J/b (right i/p) (right side of dash)
J104
J207 (in i/p harness, 9cm from main harness assembly breakout)
J212
J213
J315
J336 (in auxiliary window harness)
Key-in switch
Mbec 1 fuse 71 60a
Memory seat module
Off
Park enable pcb relay
Pass seat 1 circuit breaker cb2 25a
Passenger door switch (pds)
Pnk
Pushbutton 4wd range selectable
Pwr rear wndw circuit breaker cb4 25a
Rt doors circuit breaker cb1 25a
Run
Seat adjuster switch (driver)
Seat adjuster switch (passenger)
Seat lumbar switch (passenger)
Sliding rear wndow close relay
Sliding rear wndow open relay
Start
Theft deterrent module
To run/crank relay (diagram 5 of 5)
Transfer case shift control module
Transmission control module (tcm)
Window switch (passenger)
Window switch (right rear)
X1 (4.3l)
X11
X12

4.3L VIN X, Power Distribution Wiring Diagram (5 of 5) for GMC Sierra HD 2007 2500

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List of elements for 4.3L VIN X, Power Distribution Wiring Diagram (5 of 5) for GMC Sierra HD 2007 2500:

(in engine harness)
(not used)
4-speed a/t
4wd
6-speed a/t
Air temperature actuator (right) (auto a/c)
Air temperature actuator (right) (auto a/c) air temperature actuator (man a/c)
Airbag ign fuse 41 10a
Automatic transmission
Aux hvac- ign fuse 50 10a
Bck/up lamp pcb relay
Chmsl pcb relay
Drl pcb relay
Ecm-ign fuse 58 15a
Eng exh vlv relay
Engine control module (ecm)
Except 4wd
Except steering wheel heater
Fog lamp relay
From bcm x4-21 h (diagram 4 of 5)
From lgm fuse g (diagram 1 of 5)
Front axle actuator
Fuel pump relay (secondary) (dual tanks)
Fuel system control module
Fuse block (underhood) (right side of firewall)
Hdlp lo/ hid relay
Heated steering fuse 7.5a
Heated steering wheel control moduel
Hi beam pcb relay
Hvac- ign ign fuse 57 10a
Inflatable restraint i/p module disable switch
Inflatable restraint passenger air bag on/ off indicator
Inflatable restraint sensing & diagnostic module (sdm)
Inflatable restraint steering wheel module coil
Inside rearview mirror (isrvm)
Instrument panel cluster (ipc)
J/b (left i/p) (lower left side of dash)
J/b (left i/p) (lower x9
J129
J130
J220
L/gate pcb relay
Left side of dash)
Misc ign fuse 44 10a
Mode actuator
Park lamp relay
Pnk
Pwr/trn relay
Rear wash pcb relay
Recirculation actuator
Red
Run/crank relay
Seo/alc fuse 56 10a
Stop lamp switch
Trailer brake controller module (tbcm)
Trans ign 1 fuse 20 15a
Transfer case shift control module
Transmission control module (tcm)
Trlr lt stop/turn relay
Trlr rt stop/turn relay
W/ steering wheel heater
X11
X12
X14
X175

4.8L VIN C

4.8L VIN C, Power Distribution Wiring Diagram (1 of 5) for GMC Sierra HD 2007 2500

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List of elements for 4.8L VIN C, Power Distribution Wiring Diagram (1 of 5) for GMC Sierra HD 2007 2500:

(a)
(b)
(left i/p) (lower left side of dash)
(lower front of engine)
(man a/c)
(no information available)
(not used)
Acc
Alc/ comp fuse 60 40a
Auxiliary battery
Auxiliary battery relay (right rear corner of engine compt)
B1 x2
Battery (left)
Battery (right)
Body control module
Camper/ fifth wheel trailer
Dual battery
Emergency vehicle
Emergency vehicle roof lamp relay roof beacon relay
Except 12v power
Except 12v power/ auxiliary battery
Except camper/ fifth wheel trailer
Except ye9 package
Fuse a 30a a8
Fuse b 30a b8
Fuse block (mobile radio) (behind right side of dash)
Fuse block (underhood) (right side x6
Fuse c 30a c8
Fuse d 30a d8
Fuse holder (underhood) (right side of firewall)
G102
G103 (front of right cylinder head)
Garage door opener
Generator
Hvac control module
Igniii
Inclination sensor
J/b
J/b (left i/p) (lower left side of dash)
J/b (left i/p) x2-b1 (same diagram)
J/b (right i/p) (right end of dash)
J/b (right i/p) (right end of x2 dash)
J209
J210
J211
J219
J224
J227
J414
Lgm fuse 73 30a
Mega fuse 125a
Mega fuse 175a
Mega fuse 60a
Nca
Of firewall)
Power take-off module
Red
Relay a
Relay b
Roof beacon
Roof beacon or sunroof
Roof beacon switch
Roof-mounted (emergency) lighting
Run relay
S/roof fuse 35 30a
Security indicator lamp
Seo b1 fuse 54 15a
Seo b2 fuse 38 30a
Shock sensor
Sliding rear window- switch
Starter
Stud 1 fuse 70 40a
Stud 2 fuse 65 30a
Sun roof
Sunroof module
To ctsy fuse (diagram 2 of 5)
To ecm-batt fuse (diagram 3 of 5)
To lbec 2 fuse (diagram 2 of 5)
To mbec 1 fuse (diagram 4 of 5)
To pdm fuse (diagram 2 of 5)
To run/crank relay (diagram 5 of 5)
To s/roof fuse (same diagram)
Trailer brake controller solid-state relay
Trailer connector
W/12v power
W/12v power/ auxiliary battery
Window switch- driver
Window switch- passenger
Windshield washer solvent heater
Wrecker
Wrecker relay (right rear corner of engine compt)
X10
X13
X14
X2 (auto a/c)
Ye9 package

4.8L VIN C, Power Distribution Wiring Diagram (2 of 5) for GMC Sierra HD 2007 2500

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List of elements for 4.8L VIN C, Power Distribution Wiring Diagram (2 of 5) for GMC Sierra HD 2007 2500:

(lower right "b" pillar) g304
(not used)
(right front corner of hvac module) g200
A3 a7
Automatic power mirror
Aux pwr 2 fuse 20a
Aux pwr fuse 20a
Auxiliary power outlet (bin)
Auxiliary power outlet (center seat)
Auxiliary power outlet (console)
Auxiliary power outlet (front 1)
Auxiliary power outlet (front 2)
Bcm fuse 10a
Body control module (bcm)
Cooled seats fuse 30a
Crew cab w/ individual front seats
Ctsy fuse 15a
Data link connector
Ddm fuse 15a 15a
Dim fuse 15a
Door latch assembly (driver)
Door latch assembly (left rear)
Door latch assembly (passenger)
Door latch assembly (right rear)
Driver door switch (dds)
Dsm fuse 10a
Dvr unlck fuse 15a
Except console
Except luxury edition
Except premium sound
From j/b (left i/p) x1-l2 (diagram 1 of 5)
From lgm fuse d (diagram 1 of 5)
Fuse block (i/p) (left side of dash)
Fuse block (underhood) (right side of firewall)
Is lps fuse 10a
J/b (left i/p) (lower left side of dash)
J/b (right i/p) (right end of dash)
J203 (in i/p harness, 13 cm from radio connector breakout)
J304 (in body harness, 14 cm from passenger seat in-line connector breakout)
Lbec 1 fuse 66 60a
Lbec 2 fuse 74 60a
Lck 1 fuse 15a
Lck 2 fuse 15a
Lock pcb relay
Lock/ unlock pcb relay
Lt dr circuit breaker 25a
Lt stop trn fuse 15a
Ltr fuse 55 20a
Luxury edition
Memory seat module
Obs det fuse 10a
Outside rear view mirror switch
Passenger door switch (pds)
Pdm fuse 15a
Power locks w/o automatic power mirror
Premium sound
Pwr mir fuse 2a
Rear hvac fuse 30a
Rear object sensor control module
Rear seat fuse 20a
Rear wpr fuse 25a
Remote control door lock receiver (rcdlr)
Rt stop trn fuse 15a
Stop lamps fuse 15a
Tan
Unlck 1 fuse 15a
Unlck 2 fuse 15a
Unlock pcb relay
W/ console
W/o automatic power mirror
W/o ye9 package x4
Window switch (driver)
Window switch (left rear)
Ye9 package x2

4.8L VIN C, Power Distribution Wiring Diagram (3 of 5) for GMC Sierra HD 2007 2500

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List of elements for 4.8L VIN C, Power Distribution Wiring Diagram (3 of 5) for GMC Sierra HD 2007 2500:

(4-spd)
(6-spd)
(auto a/c)
(man a/c)
(not used)
A/c cmprsr relay
Abs 2 fuse 10 25a
Abs-1 fuse 63 40a
Air bag batt fuse 46 15a
Amp fuse 42 30a
Audio amplifier
Blower motor control module
Body control module (bcm)
Chime module
Cooling fan (left)
Cooling fan (right)
Digital radio receiver
Ecm- batt fuse 13 10a
Elec run board fuse 67 30a
Electronic brake control module (ebcm)
Engine control module (ecm)
Esc/alh exh fuse 3 30a
Evaporative emissions (evap) canister vent solenoid valve
Except luxury
Exp/ pto fuse 49 15a
Fan hi relay
Fan lo relay
Fan-1 fuse 40a
Fan-2 fuse 40a
From lgm fuse e (diagram 1 of 5)
Frt wash pcb relay
Frt wpr fuse 37 25a
Fscm fuse 22 20a
Fuel pump relay
Fuel system control module (fscm)
Fuse block (underhood) (right side of firewall)
Gps except luxury
Gps w/ luxury
Hdlp wash fuse 23 20a
Heavy duty abs fuse 61 60a
Horn pcb relay
Hvac batt fuse 40 10a
Hvac blwr fuse 72 40a
Hvac control module
Inflatable restraint passenger presence system (pps) module
Inflatable restraint sensing & diagnostic module (sdm)
Inflatable restraint vehicle rollover sensor (asf)
Infotmnt fuse 47 15a
Instrument panel cluster (ipc)
Ipc fuse 48 10a
Itbc fuse 7 15a
J/b (left i/p) (lower left side of dash)
J/b (right i/p) (right side of dash)
J127
J204
Luxury
Nca
No radio
Power take-off (pto) relay
Radio
Rdo fuse 43 15a
Rear defog relay
Rear enter- tainment except luxury
Rear enter- tainment w/luxury
Rear seat audio (rsa) controller
Red
Strtr relay
Tcm- batt fuse 15 15a
Trailer brake controller module (tbcm)
Transfer case encoder motor
Transfer case shift control module
Transmission control module (tcm)
Trec fuse 69 30a
Video communication interface module (vcim)
Video display
Windshield washer solvent heater
Windshield wiper motor
Wiper control pcb relay
Wiper speed pcb relay
Wsw/htr fuse 68 60a
X11

4.8L VIN C, Power Distribution Wiring Diagram (4 of 5) for GMC Sierra HD 2007 2500

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List of elements for 4.8L VIN C, Power Distribution Wiring Diagram (4 of 5) for GMC Sierra HD 2007 2500:

(4-speed)
(6-speed)
(except 4.3l)
(not used)
(or e)
6-way power seat
Acc
Auto power mirror
Body control module (bcm)
Dlis fuse 36 2a
Driver seat 2 circuit breaker cb3 25a
Eap fuse 39 15a
Electronic adjustable pedal assembly
Electronic adjustable pedals pcb relay
Engine control module (ecm)
Except 6-way power seat
Except auto power mirror
Except pushbutton 4wd range selectable
From lgm fuse f (diagram 1 of 5)
Fuse block (underhood) (right side of firewall)
I/p multifunction switch assembly
Ign iii
Ignition switch
J/b (left i/p) (lower left side of dash)
J/b (right i/p) (right side of dash)
J104
J207 (in i/p harness, 9cm from main harness assembly breakout)
J212
J213
J315
J336 (in auxiliary window harness)
Key-in switch
Mbec 1 fuse 71 60a
Memory seat module
Off
Park enable pcb relay
Pass seat 1 circuit breaker cb2 25a
Passenger door switch (pds)
Pnk
Pushbutton 4wd range selectable
Pwr rear wndw circuit breaker cb4 25a
Rt doors circuit breaker cb1 25a
Run
Seat adjuster switch (driver)
Seat adjuster switch (passenger)
Seat lumbar switch (passenger)
Sliding rear wndow close relay
Sliding rear wndow open relay
Start
Theft deterrent module
To run/crank relay (diagram 5 of 5)
Transfer case shift control module
Transmission control module (tcm)
Window switch (passenger)
Window switch (right rear)
X1 (4.3l)
X11
X12

4.8L VIN C, Power Distribution Wiring Diagram (5 of 5) for GMC Sierra HD 2007 2500

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List of elements for 4.8L VIN C, Power Distribution Wiring Diagram (5 of 5) for GMC Sierra HD 2007 2500:

(in engine harness)
(not used)
4-speed a/t
4wd
6-speed a/t
Air temperature actuator (right) (auto a/c)
Air temperature actuator (right) (auto a/c) air temperature actuator (man a/c)
Airbag ign fuse 41 10a
Automatic transmission
Aux hvac- ign fuse 50 10a
Bck/up lamp pcb relay
Chmsl pcb relay
Drl pcb relay
Ecm-ign fuse 58 15a
Eng exh vlv relay
Engine control module (ecm)
Except 4wd
Except steering wheel heater
Fog lamp relay
From bcm x4-21 h (diagram 4 of 5)
From lgm fuse g (diagram 1 of 5)
Front axle actuator
Fuel pump relay (secondary) (dual tanks)
Fuel system control module
Fuse block (underhood) (right side of firewall)
Hdlp lo/ hid relay
Heated steering fuse 7.5a
Heated steering wheel control moduel
Hi beam pcb relay
Hvac- ign ign fuse 57 10a
Inflatable restraint i/p module disable switch
Inflatable restraint passenger air bag on/ off indicator
Inflatable restraint sensing & diagnostic module (sdm)
Inflatable restraint steering wheel module coil
Inside rearview mirror (isrvm)
Instrument panel cluster (ipc)
J/b (left i/p) (lower left side of dash)
J/b (left i/p) (lower x9
J129
J130
J220
L/gate pcb relay
Left side of dash)
Misc ign fuse 44 10a
Mode actuator
Park lamp relay
Pnk
Pwr/trn relay
Rear wash pcb relay
Recirculation actuator
Red
Run/crank relay
Seo/alc fuse 56 10a
Stop lamp switch
Trailer brake controller module (tbcm)
Trans ign 1 fuse 20 15a
Transfer case shift control module
Transmission control module (tcm)
Trlr lt stop/turn relay
Trlr rt stop/turn relay
W/ steering wheel heater
X11
X12
X14
X175

5.3L VIN 0

5.3L VIN 0, Power Distribution Wiring Diagram (1 of 5) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN 0, Power Distribution Wiring Diagram (1 of 5) for GMC Sierra HD 2007 2500:

(a)
(b)
(left i/p) (lower left side of dash)
(lower front of engine)
(man a/c)
(no information available)
(not used)
Acc
Alc/ comp fuse 60 40a
Auxiliary battery
Auxiliary battery relay (right rear corner of engine compt)
B1 x2
Battery (left)
Battery (right)
Body control module
Camper/ fifth wheel trailer
Dual battery
Emergency vehicle
Emergency vehicle roof lamp relay roof beacon relay
Except 12v power
Except 12v power/ auxiliary battery
Except camper/ fifth wheel trailer
Except ye9 package
Fuse a 30a a8
Fuse b 30a b8
Fuse block (mobile radio) (behind right side of dash)
Fuse block (underhood) (right side x6
Fuse c 30a c8
Fuse d 30a d8
Fuse holder (underhood) (right side of firewall)
G102
G103 (front of right cylinder head)
Garage door opener
Generator
Hvac control module
Igniii
Inclination sensor
J/b
J/b (left i/p) (lower left side of dash)
J/b (left i/p) x2-b1 (same diagram)
J/b (right i/p) (right end of dash)
J/b (right i/p) (right end of x2 dash)
J209
J210
J211
J219
J224
J227
J414
Lgm fuse 73 30a
Mega fuse 125a
Mega fuse 175a
Mega fuse 60a
Nca
Of firewall)
Power take-off module
Red
Relay a
Relay b
Roof beacon
Roof beacon or sunroof
Roof beacon switch
Roof-mounted (emergency) lighting
Run relay
S/roof fuse 35 30a
Security indicator lamp
Seo b1 fuse 54 15a
Seo b2 fuse 38 30a
Shock sensor
Sliding rear window- switch
Starter
Stud 1 fuse 70 40a
Stud 2 fuse 65 30a
Sun roof
Sunroof module
To ctsy fuse (diagram 2 of 5)
To ecm-batt fuse (diagram 3 of 5)
To lbec 2 fuse (diagram 2 of 5)
To mbec 1 fuse (diagram 4 of 5)
To pdm fuse (diagram 2 of 5)
To run/crank relay (diagram 5 of 5)
To s/roof fuse (same diagram)
Trailer brake controller solid-state relay
Trailer connector
W/12v power
W/12v power/ auxiliary battery
Window switch- driver
Window switch- passenger
Windshield washer solvent heater
Wrecker
Wrecker relay (right rear corner of engine compt)
X10
X13
X14
X2 (auto a/c)
Ye9 package

5.3L VIN 0, Power Distribution Wiring Diagram (2 of 5) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN 0, Power Distribution Wiring Diagram (2 of 5) for GMC Sierra HD 2007 2500:

(lower right "b" pillar) g304
(not used)
(right front corner of hvac module) g200
A3 a7
Automatic power mirror
Aux pwr 2 fuse 20a
Aux pwr fuse 20a
Auxiliary power outlet (bin)
Auxiliary power outlet (center seat)
Auxiliary power outlet (console)
Auxiliary power outlet (front 1)
Auxiliary power outlet (front 2)
Bcm fuse 10a
Body control module (bcm)
Cooled seats fuse 30a
Crew cab w/ individual front seats
Ctsy fuse 15a
Data link connector
Ddm fuse 15a 15a
Dim fuse 15a
Door latch assembly (driver)
Door latch assembly (left rear)
Door latch assembly (passenger)
Door latch assembly (right rear)
Driver door switch (dds)
Dsm fuse 10a
Dvr unlck fuse 15a
Except console
Except luxury edition
Except premium sound
From j/b (left i/p) x1-l2 (diagram 1 of 5)
From lgm fuse d (diagram 1 of 5)
Fuse block (i/p) (left side of dash)
Fuse block (underhood) (right side of firewall)
Is lps fuse 10a
J/b (left i/p) (lower left side of dash)
J/b (right i/p) (right end of dash)
J203 (in i/p harness, 13 cm from radio connector breakout)
J304 (in body harness, 14 cm from passenger seat in-line connector breakout)
Lbec 1 fuse 66 60a
Lbec 2 fuse 74 60a
Lck 1 fuse 15a
Lck 2 fuse 15a
Lock pcb relay
Lock/ unlock pcb relay
Lt dr circuit breaker 25a
Lt stop trn fuse 15a
Ltr fuse 55 20a
Luxury edition
Memory seat module
Obs det fuse 10a
Outside rear view mirror switch
Passenger door switch (pds)
Pdm fuse 15a
Power locks w/o automatic power mirror
Premium sound
Pwr mir fuse 2a
Rear hvac fuse 30a
Rear object sensor control module
Rear seat fuse 20a
Rear wpr fuse 25a
Remote control door lock receiver (rcdlr)
Rt stop trn fuse 15a
Stop lamps fuse 15a
Tan
Unlck 1 fuse 15a
Unlck 2 fuse 15a
Unlock pcb relay
W/ console
W/o automatic power mirror
W/o ye9 package x4
Window switch (driver)
Window switch (left rear)
Ye9 package x2

5.3L VIN 0, Power Distribution Wiring Diagram (3 of 5) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN 0, Power Distribution Wiring Diagram (3 of 5) for GMC Sierra HD 2007 2500:

(4-spd)
(6-spd)
(auto a/c)
(man a/c)
(not used)
A/c cmprsr relay
Abs 2 fuse 10 25a
Abs-1 fuse 63 40a
Air bag batt fuse 46 15a
Amp fuse 42 30a
Audio amplifier
Blower motor control module
Body control module (bcm)
Chime module
Cooling fan (left)
Cooling fan (right)
Digital radio receiver
Ecm- batt fuse 13 10a
Elec run board fuse 67 30a
Electronic brake control module (ebcm)
Engine control module (ecm)
Esc/alh exh fuse 3 30a
Evaporative emissions (evap) canister vent solenoid valve
Except luxury
Exp/ pto fuse 49 15a
Fan hi relay
Fan lo relay
Fan-1 fuse 40a
Fan-2 fuse 40a
From lgm fuse e (diagram 1 of 5)
Frt wash pcb relay
Frt wpr fuse 37 25a
Fscm fuse 22 20a
Fuel pump relay
Fuel system control module (fscm)
Fuse block (underhood) (right side of firewall)
Gps except luxury
Gps w/ luxury
Hdlp wash fuse 23 20a
Heavy duty abs fuse 61 60a
Horn pcb relay
Hvac batt fuse 40 10a
Hvac blwr fuse 72 40a
Hvac control module
Inflatable restraint passenger presence system (pps) module
Inflatable restraint sensing & diagnostic module (sdm)
Inflatable restraint vehicle rollover sensor (asf)
Infotmnt fuse 47 15a
Instrument panel cluster (ipc)
Ipc fuse 48 10a
Itbc fuse 7 15a
J/b (left i/p) (lower left side of dash)
J/b (right i/p) (right side of dash)
J127
J204
Luxury
Nca
No radio
Power take-off (pto) relay
Radio
Rdo fuse 43 15a
Rear defog relay
Rear enter- tainment except luxury
Rear enter- tainment w/luxury
Rear seat audio (rsa) controller
Red
Strtr relay
Tcm- batt fuse 15 15a
Trailer brake controller module (tbcm)
Transfer case encoder motor
Transfer case shift control module
Transmission control module (tcm)
Trec fuse 69 30a
Video communication interface module (vcim)
Video display
Windshield washer solvent heater
Windshield wiper motor
Wiper control pcb relay
Wiper speed pcb relay
Wsw/htr fuse 68 60a
X11

5.3L VIN 0, Power Distribution Wiring Diagram (4 of 5) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN 0, Power Distribution Wiring Diagram (4 of 5) for GMC Sierra HD 2007 2500:

(4-speed)
(6-speed)
(except 4.3l)
(not used)
(or e)
6-way power seat
Acc
Auto power mirror
Body control module (bcm)
Dlis fuse 36 2a
Driver seat 2 circuit breaker cb3 25a
Eap fuse 39 15a
Electronic adjustable pedal assembly
Electronic adjustable pedals pcb relay
Engine control module (ecm)
Except 6-way power seat
Except auto power mirror
Except pushbutton 4wd range selectable
From lgm fuse f (diagram 1 of 5)
Fuse block (underhood) (right side of firewall)
I/p multifunction switch assembly
Ign iii
Ignition switch
J/b (left i/p) (lower left side of dash)
J/b (right i/p) (right side of dash)
J104
J207 (in i/p harness, 9cm from main harness assembly breakout)
J212
J213
J315
J336 (in auxiliary window harness)
Key-in switch
Mbec 1 fuse 71 60a
Memory seat module
Off
Park enable pcb relay
Pass seat 1 circuit breaker cb2 25a
Passenger door switch (pds)
Pnk
Pushbutton 4wd range selectable
Pwr rear wndw circuit breaker cb4 25a
Rt doors circuit breaker cb1 25a
Run
Seat adjuster switch (driver)
Seat adjuster switch (passenger)
Seat lumbar switch (passenger)
Sliding rear wndow close relay
Sliding rear wndow open relay
Start
Theft deterrent module
To run/crank relay (diagram 5 of 5)
Transfer case shift control module
Transmission control module (tcm)
Window switch (passenger)
Window switch (right rear)
X1 (4.3l)
X11
X12

5.3L VIN 0, Power Distribution Wiring Diagram (5 of 5) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN 0, Power Distribution Wiring Diagram (5 of 5) for GMC Sierra HD 2007 2500:

(in engine harness)
(not used)
4-speed a/t
4wd
6-speed a/t
Air temperature actuator (right) (auto a/c)
Air temperature actuator (right) (auto a/c) air temperature actuator (man a/c)
Airbag ign fuse 41 10a
Automatic transmission
Aux hvac- ign fuse 50 10a
Bck/up lamp pcb relay
Chmsl pcb relay
Drl pcb relay
Ecm-ign fuse 58 15a
Eng exh vlv relay
Engine control module (ecm)
Except 4wd
Except steering wheel heater
Fog lamp relay
From bcm x4-21 h (diagram 4 of 5)
From lgm fuse g (diagram 1 of 5)
Front axle actuator
Fuel pump relay (secondary) (dual tanks)
Fuel system control module
Fuse block (underhood) (right side of firewall)
Hdlp lo/ hid relay
Heated steering fuse 7.5a
Heated steering wheel control moduel
Hi beam pcb relay
Hvac- ign ign fuse 57 10a
Inflatable restraint i/p module disable switch
Inflatable restraint passenger air bag on/ off indicator
Inflatable restraint sensing & diagnostic module (sdm)
Inflatable restraint steering wheel module coil
Inside rearview mirror (isrvm)
Instrument panel cluster (ipc)
J/b (left i/p) (lower left side of dash)
J/b (left i/p) (lower x9
J129
J130
J220
L/gate pcb relay
Left side of dash)
Misc ign fuse 44 10a
Mode actuator
Park lamp relay
Pnk
Pwr/trn relay
Rear wash pcb relay
Recirculation actuator
Red
Run/crank relay
Seo/alc fuse 56 10a
Stop lamp switch
Trailer brake controller module (tbcm)
Trans ign 1 fuse 20 15a
Transfer case shift control module
Transmission control module (tcm)
Trlr lt stop/turn relay
Trlr rt stop/turn relay
W/ steering wheel heater
X11
X12
X14
X175

5.3L VIN J

5.3L VIN J, Power Distribution Wiring Diagram (1 of 5) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN J, Power Distribution Wiring Diagram (1 of 5) for GMC Sierra HD 2007 2500:

(a)
(b)
(left i/p) (lower left side of dash)
(lower front of engine)
(man a/c)
(no information available)
(not used)
Acc
Alc/ comp fuse 60 40a
Auxiliary battery
Auxiliary battery relay (right rear corner of engine compt)
B1 x2
Battery (left)
Battery (right)
Body control module
Camper/ fifth wheel trailer
Dual battery
Emergency vehicle
Emergency vehicle roof lamp relay roof beacon relay
Except 12v power
Except 12v power/ auxiliary battery
Except camper/ fifth wheel trailer
Except ye9 package
Fuse a 30a a8
Fuse b 30a b8
Fuse block (mobile radio) (behind right side of dash)
Fuse block (underhood) (right side x6
Fuse c 30a c8
Fuse d 30a d8
Fuse holder (underhood) (right side of firewall)
G102
G103 (front of right cylinder head)
Garage door opener
Generator
Hvac control module
Igniii
Inclination sensor
J/b
J/b (left i/p) (lower left side of dash)
J/b (left i/p) x2-b1 (same diagram)
J/b (right i/p) (right end of dash)
J/b (right i/p) (right end of x2 dash)
J209
J210
J211
J219
J224
J227
J414
Lgm fuse 73 30a
Mega fuse 125a
Mega fuse 175a
Mega fuse 60a
Nca
Of firewall)
Power take-off module
Red
Relay a
Relay b
Roof beacon
Roof beacon or sunroof
Roof beacon switch
Roof-mounted (emergency) lighting
Run relay
S/roof fuse 35 30a
Security indicator lamp
Seo b1 fuse 54 15a
Seo b2 fuse 38 30a
Shock sensor
Sliding rear window- switch
Starter
Stud 1 fuse 70 40a
Stud 2 fuse 65 30a
Sun roof
Sunroof module
To ctsy fuse (diagram 2 of 5)
To ecm-batt fuse (diagram 3 of 5)
To lbec 2 fuse (diagram 2 of 5)
To mbec 1 fuse (diagram 4 of 5)
To pdm fuse (diagram 2 of 5)
To run/crank relay (diagram 5 of 5)
To s/roof fuse (same diagram)
Trailer brake controller solid-state relay
Trailer connector
W/12v power
W/12v power/ auxiliary battery
Window switch- driver
Window switch- passenger
Windshield washer solvent heater
Wrecker
Wrecker relay (right rear corner of engine compt)
X10
X13
X14
X2 (auto a/c)
Ye9 package

5.3L VIN J, Power Distribution Wiring Diagram (2 of 5) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN J, Power Distribution Wiring Diagram (2 of 5) for GMC Sierra HD 2007 2500:

(lower right "b" pillar) g304
(not used)
(right front corner of hvac module) g200
A3 a7
Automatic power mirror
Aux pwr 2 fuse 20a
Aux pwr fuse 20a
Auxiliary power outlet (bin)
Auxiliary power outlet (center seat)
Auxiliary power outlet (console)
Auxiliary power outlet (front 1)
Auxiliary power outlet (front 2)
Bcm fuse 10a
Body control module (bcm)
Cooled seats fuse 30a
Crew cab w/ individual front seats
Ctsy fuse 15a
Data link connector
Ddm fuse 15a 15a
Dim fuse 15a
Door latch assembly (driver)
Door latch assembly (left rear)
Door latch assembly (passenger)
Door latch assembly (right rear)
Driver door switch (dds)
Dsm fuse 10a
Dvr unlck fuse 15a
Except console
Except luxury edition
Except premium sound
From j/b (left i/p) x1-l2 (diagram 1 of 5)
From lgm fuse d (diagram 1 of 5)
Fuse block (i/p) (left side of dash)
Fuse block (underhood) (right side of firewall)
Is lps fuse 10a
J/b (left i/p) (lower left side of dash)
J/b (right i/p) (right end of dash)
J203 (in i/p harness, 13 cm from radio connector breakout)
J304 (in body harness, 14 cm from passenger seat in-line connector breakout)
Lbec 1 fuse 66 60a
Lbec 2 fuse 74 60a
Lck 1 fuse 15a
Lck 2 fuse 15a
Lock pcb relay
Lock/ unlock pcb relay
Lt dr circuit breaker 25a
Lt stop trn fuse 15a
Ltr fuse 55 20a
Luxury edition
Memory seat module
Obs det fuse 10a
Outside rear view mirror switch
Passenger door switch (pds)
Pdm fuse 15a
Power locks w/o automatic power mirror
Premium sound
Pwr mir fuse 2a
Rear hvac fuse 30a
Rear object sensor control module
Rear seat fuse 20a
Rear wpr fuse 25a
Remote control door lock receiver (rcdlr)
Rt stop trn fuse 15a
Stop lamps fuse 15a
Tan
Unlck 1 fuse 15a
Unlck 2 fuse 15a
Unlock pcb relay
W/ console
W/o automatic power mirror
W/o ye9 package x4
Window switch (driver)
Window switch (left rear)
Ye9 package x2

5.3L VIN J, Power Distribution Wiring Diagram (3 of 5) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN J, Power Distribution Wiring Diagram (3 of 5) for GMC Sierra HD 2007 2500:

(4-spd)
(6-spd)
(auto a/c)
(man a/c)
(not used)
A/c cmprsr relay
Abs 2 fuse 10 25a
Abs-1 fuse 63 40a
Air bag batt fuse 46 15a
Amp fuse 42 30a
Audio amplifier
Blower motor control module
Body control module (bcm)
Chime module
Cooling fan (left)
Cooling fan (right)
Digital radio receiver
Ecm- batt fuse 13 10a
Elec run board fuse 67 30a
Electronic brake control module (ebcm)
Engine control module (ecm)
Esc/alh exh fuse 3 30a
Evaporative emissions (evap) canister vent solenoid valve
Except luxury
Exp/ pto fuse 49 15a
Fan hi relay
Fan lo relay
Fan-1 fuse 40a
Fan-2 fuse 40a
From lgm fuse e (diagram 1 of 5)
Frt wash pcb relay
Frt wpr fuse 37 25a
Fscm fuse 22 20a
Fuel pump relay
Fuel system control module (fscm)
Fuse block (underhood) (right side of firewall)
Gps except luxury
Gps w/ luxury
Hdlp wash fuse 23 20a
Heavy duty abs fuse 61 60a
Horn pcb relay
Hvac batt fuse 40 10a
Hvac blwr fuse 72 40a
Hvac control module
Inflatable restraint passenger presence system (pps) module
Inflatable restraint sensing & diagnostic module (sdm)
Inflatable restraint vehicle rollover sensor (asf)
Infotmnt fuse 47 15a
Instrument panel cluster (ipc)
Ipc fuse 48 10a
Itbc fuse 7 15a
J/b (left i/p) (lower left side of dash)
J/b (right i/p) (right side of dash)
J127
J204
Luxury
Nca
No radio
Power take-off (pto) relay
Radio
Rdo fuse 43 15a
Rear defog relay
Rear enter- tainment except luxury
Rear enter- tainment w/luxury
Rear seat audio (rsa) controller
Red
Strtr relay
Tcm- batt fuse 15 15a
Trailer brake controller module (tbcm)
Transfer case encoder motor
Transfer case shift control module
Transmission control module (tcm)
Trec fuse 69 30a
Video communication interface module (vcim)
Video display
Windshield washer solvent heater
Windshield wiper motor
Wiper control pcb relay
Wiper speed pcb relay
Wsw/htr fuse 68 60a
X11

5.3L VIN J, Power Distribution Wiring Diagram (4 of 5) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN J, Power Distribution Wiring Diagram (4 of 5) for GMC Sierra HD 2007 2500:

(4-speed)
(6-speed)
(except 4.3l)
(not used)
(or e)
6-way power seat
Acc
Auto power mirror
Body control module (bcm)
Dlis fuse 36 2a
Driver seat 2 circuit breaker cb3 25a
Eap fuse 39 15a
Electronic adjustable pedal assembly
Electronic adjustable pedals pcb relay
Engine control module (ecm)
Except 6-way power seat
Except auto power mirror
Except pushbutton 4wd range selectable
From lgm fuse f (diagram 1 of 5)
Fuse block (underhood) (right side of firewall)
I/p multifunction switch assembly
Ign iii
Ignition switch
J/b (left i/p) (lower left side of dash)
J/b (right i/p) (right side of dash)
J104
J207 (in i/p harness, 9cm from main harness assembly breakout)
J212
J213
J315
J336 (in auxiliary window harness)
Key-in switch
Mbec 1 fuse 71 60a
Memory seat module
Off
Park enable pcb relay
Pass seat 1 circuit breaker cb2 25a
Passenger door switch (pds)
Pnk
Pushbutton 4wd range selectable
Pwr rear wndw circuit breaker cb4 25a
Rt doors circuit breaker cb1 25a
Run
Seat adjuster switch (driver)
Seat adjuster switch (passenger)
Seat lumbar switch (passenger)
Sliding rear wndow close relay
Sliding rear wndow open relay
Start
Theft deterrent module
To run/crank relay (diagram 5 of 5)
Transfer case shift control module
Transmission control module (tcm)
Window switch (passenger)
Window switch (right rear)
X1 (4.3l)
X11
X12

5.3L VIN J, Power Distribution Wiring Diagram (5 of 5) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN J, Power Distribution Wiring Diagram (5 of 5) for GMC Sierra HD 2007 2500:

(in engine harness)
(not used)
4-speed a/t
4wd
6-speed a/t
Air temperature actuator (right) (auto a/c)
Air temperature actuator (right) (auto a/c) air temperature actuator (man a/c)
Airbag ign fuse 41 10a
Automatic transmission
Aux hvac- ign fuse 50 10a
Bck/up lamp pcb relay
Chmsl pcb relay
Drl pcb relay
Ecm-ign fuse 58 15a
Eng exh vlv relay
Engine control module (ecm)
Except 4wd
Except steering wheel heater
Fog lamp relay
From bcm x4-21 h (diagram 4 of 5)
From lgm fuse g (diagram 1 of 5)
Front axle actuator
Fuel pump relay (secondary) (dual tanks)
Fuel system control module
Fuse block (underhood) (right side of firewall)
Hdlp lo/ hid relay
Heated steering fuse 7.5a
Heated steering wheel control moduel
Hi beam pcb relay
Hvac- ign ign fuse 57 10a
Inflatable restraint i/p module disable switch
Inflatable restraint passenger air bag on/ off indicator
Inflatable restraint sensing & diagnostic module (sdm)
Inflatable restraint steering wheel module coil
Inside rearview mirror (isrvm)
Instrument panel cluster (ipc)
J/b (left i/p) (lower left side of dash)
J/b (left i/p) (lower x9
J129
J130
J220
L/gate pcb relay
Left side of dash)
Misc ign fuse 44 10a
Mode actuator
Park lamp relay
Pnk
Pwr/trn relay
Rear wash pcb relay
Recirculation actuator
Red
Run/crank relay
Seo/alc fuse 56 10a
Stop lamp switch
Trailer brake controller module (tbcm)
Trans ign 1 fuse 20 15a
Transfer case shift control module
Transmission control module (tcm)
Trlr lt stop/turn relay
Trlr rt stop/turn relay
W/ steering wheel heater
X11
X12
X14
X175

5.3L VIN M

5.3L VIN M, Power Distribution Wiring Diagram (1 of 5) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN M, Power Distribution Wiring Diagram (1 of 5) for GMC Sierra HD 2007 2500:

(a)
(b)
(left i/p) (lower left side of dash)
(lower front of engine)
(man a/c)
(no information available)
(not used)
Acc
Alc/ comp fuse 60 40a
Auxiliary battery
Auxiliary battery relay (right rear corner of engine compt)
B1 x2
Battery (left)
Battery (right)
Body control module
Camper/ fifth wheel trailer
Dual battery
Emergency vehicle
Emergency vehicle roof lamp relay roof beacon relay
Except 12v power
Except 12v power/ auxiliary battery
Except camper/ fifth wheel trailer
Except ye9 package
Fuse a 30a a8
Fuse b 30a b8
Fuse block (mobile radio) (behind right side of dash)
Fuse block (underhood) (right side x6
Fuse c 30a c8
Fuse d 30a d8
Fuse holder (underhood) (right side of firewall)
G102
G103 (front of right cylinder head)
Garage door opener
Generator
Hvac control module
Igniii
Inclination sensor
J/b
J/b (left i/p) (lower left side of dash)
J/b (left i/p) x2-b1 (same diagram)
J/b (right i/p) (right end of dash)
J/b (right i/p) (right end of x2 dash)
J209
J210
J211
J219
J224
J227
J414
Lgm fuse 73 30a
Mega fuse 125a
Mega fuse 175a
Mega fuse 60a
Nca
Of firewall)
Power take-off module
Red
Relay a
Relay b
Roof beacon
Roof beacon or sunroof
Roof beacon switch
Roof-mounted (emergency) lighting
Run relay
S/roof fuse 35 30a
Security indicator lamp
Seo b1 fuse 54 15a
Seo b2 fuse 38 30a
Shock sensor
Sliding rear window- switch
Starter
Stud 1 fuse 70 40a
Stud 2 fuse 65 30a
Sun roof
Sunroof module
To ctsy fuse (diagram 2 of 5)
To ecm-batt fuse (diagram 3 of 5)
To lbec 2 fuse (diagram 2 of 5)
To mbec 1 fuse (diagram 4 of 5)
To pdm fuse (diagram 2 of 5)
To run/crank relay (diagram 5 of 5)
To s/roof fuse (same diagram)
Trailer brake controller solid-state relay
Trailer connector
W/12v power
W/12v power/ auxiliary battery
Window switch- driver
Window switch- passenger
Windshield washer solvent heater
Wrecker
Wrecker relay (right rear corner of engine compt)
X10
X13
X14
X2 (auto a/c)
Ye9 package

5.3L VIN M, Power Distribution Wiring Diagram (2 of 5) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN M, Power Distribution Wiring Diagram (2 of 5) for GMC Sierra HD 2007 2500:

(lower right "b" pillar) g304
(not used)
(right front corner of hvac module) g200
A3 a7
Automatic power mirror
Aux pwr 2 fuse 20a
Aux pwr fuse 20a
Auxiliary power outlet (bin)
Auxiliary power outlet (center seat)
Auxiliary power outlet (console)
Auxiliary power outlet (front 1)
Auxiliary power outlet (front 2)
Bcm fuse 10a
Body control module (bcm)
Cooled seats fuse 30a
Crew cab w/ individual front seats
Ctsy fuse 15a
Data link connector
Ddm fuse 15a 15a
Dim fuse 15a
Door latch assembly (driver)
Door latch assembly (left rear)
Door latch assembly (passenger)
Door latch assembly (right rear)
Driver door switch (dds)
Dsm fuse 10a
Dvr unlck fuse 15a
Except console
Except luxury edition
Except premium sound
From j/b (left i/p) x1-l2 (diagram 1 of 5)
From lgm fuse d (diagram 1 of 5)
Fuse block (i/p) (left side of dash)
Fuse block (underhood) (right side of firewall)
Is lps fuse 10a
J/b (left i/p) (lower left side of dash)
J/b (right i/p) (right end of dash)
J203 (in i/p harness, 13 cm from radio connector breakout)
J304 (in body harness, 14 cm from passenger seat in-line connector breakout)
Lbec 1 fuse 66 60a
Lbec 2 fuse 74 60a
Lck 1 fuse 15a
Lck 2 fuse 15a
Lock pcb relay
Lock/ unlock pcb relay
Lt dr circuit breaker 25a
Lt stop trn fuse 15a
Ltr fuse 55 20a
Luxury edition
Memory seat module
Obs det fuse 10a
Outside rear view mirror switch
Passenger door switch (pds)
Pdm fuse 15a
Power locks w/o automatic power mirror
Premium sound
Pwr mir fuse 2a
Rear hvac fuse 30a
Rear object sensor control module
Rear seat fuse 20a
Rear wpr fuse 25a
Remote control door lock receiver (rcdlr)
Rt stop trn fuse 15a
Stop lamps fuse 15a
Tan
Unlck 1 fuse 15a
Unlck 2 fuse 15a
Unlock pcb relay
W/ console
W/o automatic power mirror
W/o ye9 package x4
Window switch (driver)
Window switch (left rear)
Ye9 package x2

5.3L VIN M, Power Distribution Wiring Diagram (3 of 5) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN M, Power Distribution Wiring Diagram (3 of 5) for GMC Sierra HD 2007 2500:

(4-spd)
(6-spd)
(auto a/c)
(man a/c)
(not used)
A/c cmprsr relay
Abs 2 fuse 10 25a
Abs-1 fuse 63 40a
Air bag batt fuse 46 15a
Amp fuse 42 30a
Audio amplifier
Blower motor control module
Body control module (bcm)
Chime module
Cooling fan (left)
Cooling fan (right)
Digital radio receiver
Ecm- batt fuse 13 10a
Elec run board fuse 67 30a
Electronic brake control module (ebcm)
Engine control module (ecm)
Esc/alh exh fuse 3 30a
Evaporative emissions (evap) canister vent solenoid valve
Except luxury
Exp/ pto fuse 49 15a
Fan hi relay
Fan lo relay
Fan-1 fuse 40a
Fan-2 fuse 40a
From lgm fuse e (diagram 1 of 5)
Frt wash pcb relay
Frt wpr fuse 37 25a
Fscm fuse 22 20a
Fuel pump relay
Fuel system control module (fscm)
Fuse block (underhood) (right side of firewall)
Gps except luxury
Gps w/ luxury
Hdlp wash fuse 23 20a
Heavy duty abs fuse 61 60a
Horn pcb relay
Hvac batt fuse 40 10a
Hvac blwr fuse 72 40a
Hvac control module
Inflatable restraint passenger presence system (pps) module
Inflatable restraint sensing & diagnostic module (sdm)
Inflatable restraint vehicle rollover sensor (asf)
Infotmnt fuse 47 15a
Instrument panel cluster (ipc)
Ipc fuse 48 10a
Itbc fuse 7 15a
J/b (left i/p) (lower left side of dash)
J/b (right i/p) (right side of dash)
J127
J204
Luxury
Nca
No radio
Power take-off (pto) relay
Radio
Rdo fuse 43 15a
Rear defog relay
Rear enter- tainment except luxury
Rear enter- tainment w/luxury
Rear seat audio (rsa) controller
Red
Strtr relay
Tcm- batt fuse 15 15a
Trailer brake controller module (tbcm)
Transfer case encoder motor
Transfer case shift control module
Transmission control module (tcm)
Trec fuse 69 30a
Video communication interface module (vcim)
Video display
Windshield washer solvent heater
Windshield wiper motor
Wiper control pcb relay
Wiper speed pcb relay
Wsw/htr fuse 68 60a
X11

5.3L VIN M, Power Distribution Wiring Diagram (4 of 5) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN M, Power Distribution Wiring Diagram (4 of 5) for GMC Sierra HD 2007 2500:

(4-speed)
(6-speed)
(except 4.3l)
(not used)
(or e)
6-way power seat
Acc
Auto power mirror
Body control module (bcm)
Dlis fuse 36 2a
Driver seat 2 circuit breaker cb3 25a
Eap fuse 39 15a
Electronic adjustable pedal assembly
Electronic adjustable pedals pcb relay
Engine control module (ecm)
Except 6-way power seat
Except auto power mirror
Except pushbutton 4wd range selectable
From lgm fuse f (diagram 1 of 5)
Fuse block (underhood) (right side of firewall)
I/p multifunction switch assembly
Ign iii
Ignition switch
J/b (left i/p) (lower left side of dash)
J/b (right i/p) (right side of dash)
J104
J207 (in i/p harness, 9cm from main harness assembly breakout)
J212
J213
J315
J336 (in auxiliary window harness)
Key-in switch
Mbec 1 fuse 71 60a
Memory seat module
Off
Park enable pcb relay
Pass seat 1 circuit breaker cb2 25a
Passenger door switch (pds)
Pnk
Pushbutton 4wd range selectable
Pwr rear wndw circuit breaker cb4 25a
Rt doors circuit breaker cb1 25a
Run
Seat adjuster switch (driver)
Seat adjuster switch (passenger)
Seat lumbar switch (passenger)
Sliding rear wndow close relay
Sliding rear wndow open relay
Start
Theft deterrent module
To run/crank relay (diagram 5 of 5)
Transfer case shift control module
Transmission control module (tcm)
Window switch (passenger)
Window switch (right rear)
X1 (4.3l)
X11
X12

5.3L VIN M, Power Distribution Wiring Diagram (5 of 5) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN M, Power Distribution Wiring Diagram (5 of 5) for GMC Sierra HD 2007 2500:

(in engine harness)
(not used)
4-speed a/t
4wd
6-speed a/t
Air temperature actuator (right) (auto a/c)
Air temperature actuator (right) (auto a/c) air temperature actuator (man a/c)
Airbag ign fuse 41 10a
Automatic transmission
Aux hvac- ign fuse 50 10a
Bck/up lamp pcb relay
Chmsl pcb relay
Drl pcb relay
Ecm-ign fuse 58 15a
Eng exh vlv relay
Engine control module (ecm)
Except 4wd
Except steering wheel heater
Fog lamp relay
From bcm x4-21 h (diagram 4 of 5)
From lgm fuse g (diagram 1 of 5)
Front axle actuator
Fuel pump relay (secondary) (dual tanks)
Fuel system control module
Fuse block (underhood) (right side of firewall)
Hdlp lo/ hid relay
Heated steering fuse 7.5a
Heated steering wheel control moduel
Hi beam pcb relay
Hvac- ign ign fuse 57 10a
Inflatable restraint i/p module disable switch
Inflatable restraint passenger air bag on/ off indicator
Inflatable restraint sensing & diagnostic module (sdm)
Inflatable restraint steering wheel module coil
Inside rearview mirror (isrvm)
Instrument panel cluster (ipc)
J/b (left i/p) (lower left side of dash)
J/b (left i/p) (lower x9
J129
J130
J220
L/gate pcb relay
Left side of dash)
Misc ign fuse 44 10a
Mode actuator
Park lamp relay
Pnk
Pwr/trn relay
Rear wash pcb relay
Recirculation actuator
Red
Run/crank relay
Seo/alc fuse 56 10a
Stop lamp switch
Trailer brake controller module (tbcm)
Trans ign 1 fuse 20 15a
Transfer case shift control module
Transmission control module (tcm)
Trlr lt stop/turn relay
Trlr rt stop/turn relay
W/ steering wheel heater
X11
X12
X14
X175

6.0L VIN Y

6.0L VIN Y, Power Distribution Wiring Diagram (1 of 5) for GMC Sierra HD 2007 2500

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List of elements for 6.0L VIN Y, Power Distribution Wiring Diagram (1 of 5) for GMC Sierra HD 2007 2500:

(a)
(b)
(left i/p) (lower left side of dash)
(lower front of engine)
(man a/c)
(no information available)
(not used)
Acc
Alc/ comp fuse 60 40a
Auxiliary battery
Auxiliary battery relay (right rear corner of engine compt)
B1 x2
Battery (left)
Battery (right)
Body control module
Camper/ fifth wheel trailer
Dual battery
Emergency vehicle
Emergency vehicle roof lamp relay roof beacon relay
Except 12v power
Except 12v power/ auxiliary battery
Except camper/ fifth wheel trailer
Except ye9 package
Fuse a 30a a8
Fuse b 30a b8
Fuse block (mobile radio) (behind right side of dash)
Fuse block (underhood) (right side x6
Fuse c 30a c8
Fuse d 30a d8
Fuse holder (underhood) (right side of firewall)
G102
G103 (front of right cylinder head)
Garage door opener
Generator
Hvac control module
Igniii
Inclination sensor
J/b
J/b (left i/p) (lower left side of dash)
J/b (left i/p) x2-b1 (same diagram)
J/b (right i/p) (right end of dash)
J/b (right i/p) (right end of x2 dash)
J209
J210
J211
J219
J224
J227
J414
Lgm fuse 73 30a
Mega fuse 125a
Mega fuse 175a
Mega fuse 60a
Nca
Of firewall)
Power take-off module
Red
Relay a
Relay b
Roof beacon
Roof beacon or sunroof
Roof beacon switch
Roof-mounted (emergency) lighting
Run relay
S/roof fuse 35 30a
Security indicator lamp
Seo b1 fuse 54 15a
Seo b2 fuse 38 30a
Shock sensor
Sliding rear window- switch
Starter
Stud 1 fuse 70 40a
Stud 2 fuse 65 30a
Sun roof
Sunroof module
To ctsy fuse (diagram 2 of 5)
To ecm-batt fuse (diagram 3 of 5)
To lbec 2 fuse (diagram 2 of 5)
To mbec 1 fuse (diagram 4 of 5)
To pdm fuse (diagram 2 of 5)
To run/crank relay (diagram 5 of 5)
To s/roof fuse (same diagram)
Trailer brake controller solid-state relay
Trailer connector
W/12v power
W/12v power/ auxiliary battery
Window switch- driver
Window switch- passenger
Windshield washer solvent heater
Wrecker
Wrecker relay (right rear corner of engine compt)
X10
X13
X14
X2 (auto a/c)
Ye9 package

6.0L VIN Y, Power Distribution Wiring Diagram (2 of 5) for GMC Sierra HD 2007 2500

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List of elements for 6.0L VIN Y, Power Distribution Wiring Diagram (2 of 5) for GMC Sierra HD 2007 2500:

(lower right "b" pillar) g304
(not used)
(right front corner of hvac module) g200
A3 a7
Automatic power mirror
Aux pwr 2 fuse 20a
Aux pwr fuse 20a
Auxiliary power outlet (bin)
Auxiliary power outlet (center seat)
Auxiliary power outlet (console)
Auxiliary power outlet (front 1)
Auxiliary power outlet (front 2)
Bcm fuse 10a
Body control module (bcm)
Cooled seats fuse 30a
Crew cab w/ individual front seats
Ctsy fuse 15a
Data link connector
Ddm fuse 15a 15a
Dim fuse 15a
Door latch assembly (driver)
Door latch assembly (left rear)
Door latch assembly (passenger)
Door latch assembly (right rear)
Driver door switch (dds)
Dsm fuse 10a
Dvr unlck fuse 15a
Except console
Except luxury edition
Except premium sound
From j/b (left i/p) x1-l2 (diagram 1 of 5)
From lgm fuse d (diagram 1 of 5)
Fuse block (i/p) (left side of dash)
Fuse block (underhood) (right side of firewall)
Is lps fuse 10a
J/b (left i/p) (lower left side of dash)
J/b (right i/p) (right end of dash)
J203 (in i/p harness, 13 cm from radio connector breakout)
J304 (in body harness, 14 cm from passenger seat in-line connector breakout)
Lbec 1 fuse 66 60a
Lbec 2 fuse 74 60a
Lck 1 fuse 15a
Lck 2 fuse 15a
Lock pcb relay
Lock/ unlock pcb relay
Lt dr circuit breaker 25a
Lt stop trn fuse 15a
Ltr fuse 55 20a
Luxury edition
Memory seat module
Obs det fuse 10a
Outside rear view mirror switch
Passenger door switch (pds)
Pdm fuse 15a
Power locks w/o automatic power mirror
Premium sound
Pwr mir fuse 2a
Rear hvac fuse 30a
Rear object sensor control module
Rear seat fuse 20a
Rear wpr fuse 25a
Remote control door lock receiver (rcdlr)
Rt stop trn fuse 15a
Stop lamps fuse 15a
Tan
Unlck 1 fuse 15a
Unlck 2 fuse 15a
Unlock pcb relay
W/ console
W/o automatic power mirror
W/o ye9 package x4
Window switch (driver)
Window switch (left rear)
Ye9 package x2

6.0L VIN Y, Power Distribution Wiring Diagram (3 of 5) for GMC Sierra HD 2007 2500

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List of elements for 6.0L VIN Y, Power Distribution Wiring Diagram (3 of 5) for GMC Sierra HD 2007 2500:

(4-spd)
(6-spd)
(auto a/c)
(man a/c)
(not used)
A/c cmprsr relay
Abs 2 fuse 10 25a
Abs-1 fuse 63 40a
Air bag batt fuse 46 15a
Amp fuse 42 30a
Audio amplifier
Blower motor control module
Body control module (bcm)
Chime module
Cooling fan (left)
Cooling fan (right)
Digital radio receiver
Ecm- batt fuse 13 10a
Elec run board fuse 67 30a
Electronic brake control module (ebcm)
Engine control module (ecm)
Esc/alh exh fuse 3 30a
Evaporative emissions (evap) canister vent solenoid valve
Except luxury
Exp/ pto fuse 49 15a
Fan hi relay
Fan lo relay
Fan-1 fuse 40a
Fan-2 fuse 40a
From lgm fuse e (diagram 1 of 5)
Frt wash pcb relay
Frt wpr fuse 37 25a
Fscm fuse 22 20a
Fuel pump relay
Fuel system control module (fscm)
Fuse block (underhood) (right side of firewall)
Gps except luxury
Gps w/ luxury
Hdlp wash fuse 23 20a
Heavy duty abs fuse 61 60a
Horn pcb relay
Hvac batt fuse 40 10a
Hvac blwr fuse 72 40a
Hvac control module
Inflatable restraint passenger presence system (pps) module
Inflatable restraint sensing & diagnostic module (sdm)
Inflatable restraint vehicle rollover sensor (asf)
Infotmnt fuse 47 15a
Instrument panel cluster (ipc)
Ipc fuse 48 10a
Itbc fuse 7 15a
J/b (left i/p) (lower left side of dash)
J/b (right i/p) (right side of dash)
J127
J204
Luxury
Nca
No radio
Power take-off (pto) relay
Radio
Rdo fuse 43 15a
Rear defog relay
Rear enter- tainment except luxury
Rear enter- tainment w/luxury
Rear seat audio (rsa) controller
Red
Strtr relay
Tcm- batt fuse 15 15a
Trailer brake controller module (tbcm)
Transfer case encoder motor
Transfer case shift control module
Transmission control module (tcm)
Trec fuse 69 30a
Video communication interface module (vcim)
Video display
Windshield washer solvent heater
Windshield wiper motor
Wiper control pcb relay
Wiper speed pcb relay
Wsw/htr fuse 68 60a
X11

6.0L VIN Y, Power Distribution Wiring Diagram (4 of 5) for GMC Sierra HD 2007 2500

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List of elements for 6.0L VIN Y, Power Distribution Wiring Diagram (4 of 5) for GMC Sierra HD 2007 2500:

(4-speed)
(6-speed)
(except 4.3l)
(not used)
(or e)
6-way power seat
Acc
Auto power mirror
Body control module (bcm)
Dlis fuse 36 2a
Driver seat 2 circuit breaker cb3 25a
Eap fuse 39 15a
Electronic adjustable pedal assembly
Electronic adjustable pedals pcb relay
Engine control module (ecm)
Except 6-way power seat
Except auto power mirror
Except pushbutton 4wd range selectable
From lgm fuse f (diagram 1 of 5)
Fuse block (underhood) (right side of firewall)
I/p multifunction switch assembly
Ign iii
Ignition switch
J/b (left i/p) (lower left side of dash)
J/b (right i/p) (right side of dash)
J104
J207 (in i/p harness, 9cm from main harness assembly breakout)
J212
J213
J315
J336 (in auxiliary window harness)
Key-in switch
Mbec 1 fuse 71 60a
Memory seat module
Off
Park enable pcb relay
Pass seat 1 circuit breaker cb2 25a
Passenger door switch (pds)
Pnk
Pushbutton 4wd range selectable
Pwr rear wndw circuit breaker cb4 25a
Rt doors circuit breaker cb1 25a
Run
Seat adjuster switch (driver)
Seat adjuster switch (passenger)
Seat lumbar switch (passenger)
Sliding rear wndow close relay
Sliding rear wndow open relay
Start
Theft deterrent module
To run/crank relay (diagram 5 of 5)
Transfer case shift control module
Transmission control module (tcm)
Window switch (passenger)
Window switch (right rear)
X1 (4.3l)
X11
X12

6.0L VIN Y, Power Distribution Wiring Diagram (5 of 5) for GMC Sierra HD 2007 2500

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List of elements for 6.0L VIN Y, Power Distribution Wiring Diagram (5 of 5) for GMC Sierra HD 2007 2500:

(in engine harness)
(not used)
4-speed a/t
4wd
6-speed a/t
Air temperature actuator (right) (auto a/c)
Air temperature actuator (right) (auto a/c) air temperature actuator (man a/c)
Airbag ign fuse 41 10a
Automatic transmission
Aux hvac- ign fuse 50 10a
Bck/up lamp pcb relay
Chmsl pcb relay
Drl pcb relay
Ecm-ign fuse 58 15a
Eng exh vlv relay
Engine control module (ecm)
Except 4wd
Except steering wheel heater
Fog lamp relay
From bcm x4-21 h (diagram 4 of 5)
From lgm fuse g (diagram 1 of 5)
Front axle actuator
Fuel pump relay (secondary) (dual tanks)
Fuel system control module
Fuse block (underhood) (right side of firewall)
Hdlp lo/ hid relay
Heated steering fuse 7.5a
Heated steering wheel control moduel
Hi beam pcb relay
Hvac- ign ign fuse 57 10a
Inflatable restraint i/p module disable switch
Inflatable restraint passenger air bag on/ off indicator
Inflatable restraint sensing & diagnostic module (sdm)
Inflatable restraint steering wheel module coil
Inside rearview mirror (isrvm)
Instrument panel cluster (ipc)
J/b (left i/p) (lower left side of dash)
J/b (left i/p) (lower x9
J129
J130
J220
L/gate pcb relay
Left side of dash)
Misc ign fuse 44 10a
Mode actuator
Park lamp relay
Pnk
Pwr/trn relay
Rear wash pcb relay
Recirculation actuator
Red
Run/crank relay
Seo/alc fuse 56 10a
Stop lamp switch
Trailer brake controller module (tbcm)
Trans ign 1 fuse 20 15a
Transfer case shift control module
Transmission control module (tcm)
Trlr lt stop/turn relay
Trlr rt stop/turn relay
W/ steering wheel heater
X11
X12
X14
X175

POWER DOOR LOCKS

Power Door Locks Wiring Diagram, Base Package for GMC Sierra HD 2007 2500

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List of elements for Power Door Locks Wiring Diagram, Base Package for GMC Sierra HD 2007 2500:

Bcm fuse 10a
Body control module (bcm) (lower left side of dash)
Computer data lines system
Crew cab
Dim fuse 15a
Driver door latch assembly
Driver door lock switch
Dvr unlck fuse 15a
G201 (upper left corner of dash)
Gmlan
Hot at all times
I/p fuse block (left side of dash)
J502
J602
Lck 1 fuse 15a
Lck 2 fuse 15a
Lck cntrl
Lck sig
Left rear door latch assembly
Lock actuator
Lock pcb relay
Passenger door lock switch
Passenger door latch assembly
Right i/p junction block (in right x3 end of dash)
Right rear door latch assembly
Tan
Unlck 1 fuse 15a
Unlck 2 fuse 15a
Unlck cntrl
Unlck sig
Unlock pcb relay
W/ convenience package
W/o convenience package

Power Door Locks Wiring Diagram, Premium Package for GMC Sierra HD 2007 2500

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List of elements for Power Door Locks Wiring Diagram, Premium Package for GMC Sierra HD 2007 2500:

Bcm fuse 10a
Body control module (bcm) (lower left side of dash)
Computer data lines system
Ddm fuse 15a
Dim fuse 15a
Door lock switch
Driver door latch assembly
Driver door switch (dds)
G200 (on right front corner of hvac module)
G201 (upper left corner of dash)
Gmlan
Grd
Hot at all times
I/p fuse block (left side of dash)
Key switch
Lck 1 fuse 15a
Lck cntrl
Left rear door latch assembly
Lock
Lock actuator
Lock cntrl
Lock/ unlock pcb relay
Passenger door latch assembly
Passenger door switch (pds)
Ppm fuse 15a
Right i/p junction block (in right x6 end of dash)
Right rear door latch assembly
Sw grd
Sw sig
Tan
Unlck 1 fuse 15a
Unlck cntrl
Unlock

POWER MIRRORS

Electrochromic Mirror Wiring Diagram for GMC Sierra HD 2007 2500

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List of elements for Electrochromic Mirror Wiring Diagram for GMC Sierra HD 2007 2500:

(if equipped) onstar system
Amb sig
Ambient air temperature sensor (on radiator supprot)
Ambient light
Bckup rly
Bkup rly
Body control module (bcm) (lower left side of dash)
Chmsl pcb relay
Compass
Diesel
Driver door switch (dds)
Driver outside rearview mirror
Electro- chromic
G102 (on lower left front of engine) g107 (top left rear of engine) g103 (on front of right cylinder head)
G200 (on right front corner of hvac module)
Gasoline
Grd
Green light
Hot at all times
Hvac-ign fuse 48 fuse 50 15a
I/p fuse block (left side of dash)
Ign 1
Inside rearview mirror (isrvm)
J105
J220
Left i/p junction block (lower left x10 side of dash)
Mirr
Onstar button assembly
Pnk
Red light
Rn/crnk rly
Selector switch
Temp
Underhood fuse block (left side of engine compt)
W/ 4.3l
W/o 4.3l
X10

Power Mirrors Wiring Diagram, Manual Folding Mirror for GMC Sierra HD 2007 2500

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List of elements for Power Mirrors Wiring Diagram, Manual Folding Mirror for GMC Sierra HD 2007 2500:

(auto a/c)
(manual a/c)
Chmsl pcb relay
Computer data lines system
Diesel
Down
Driver outside rearview mirror
Exterior lights system
G102 (on lower left front of engine) g107 (top left rear of engine) g103 (on front of right cylinder head)
G200 (on right front corner of hvac module)
G201 (upper left corner of dash)
Gasoline
Hot at all times
Htd mir fuse 51 fuse 53 30a
Hvac control module
I/p fuse block (left side of dash)
Interior lights system
J105
J502
J603
Left
Logic
Outside rearview mirror switch
Passenger outside rearview mirror
Pwr mir fuse 2a
Right
Tan
Underhood fuse block (left side of engine compt)
W/ 4.3l
W/o 4.3l

Power Mirrors Wiring Diagram, Power Folding Mirror (1 of 2) for GMC Sierra HD 2007 2500

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List of elements for Power Mirrors Wiring Diagram, Power Folding Mirror (1 of 2) for GMC Sierra HD 2007 2500:

Computer data lines system
Computer data lines system mirrors system (electrochromic circuit)
Ddm fuse 15a
Driver door switch (dds)
Driver outside rearview mirror
Electro- chromic
Extend
G201 (upper left corner of dash)
Gmlan
Grd
Hot at all times
Hvac control module
I/p fuse block (left side of dash)
J500
J501
L/r select
Left
Logic
Mirr cntrl
Mirror control switch
Mtr cntrl
Mtr comm
Pnk
Retract
Right
Sns sig
Sw pwr

Power Mirrors Wiring Diagram, Power Folding Mirror (2 of 2) for GMC Sierra HD 2007 2500

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List of elements for Power Mirrors Wiring Diagram, Power Folding Mirror (2 of 2) for GMC Sierra HD 2007 2500:

Computer data lines system
G200 (on right front corner of hvac module)
Gmlan
Grd
Hot at all times
I/p fuse block (left side of dash)
J600
J601
Mirr cntrl
Mtr cntrl
Mtr comm
Passenger door switch (pds)
Passenger outside rearview mirror
Ppm fuse 15a
Right i/p junction block (in right x6 end of dash)
Sns sig

POWER SEATS

Adjustable Pedal Wiring Diagram for GMC Sierra HD 2007 2500

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List of elements for Adjustable Pedal Wiring Diagram for GMC Sierra HD 2007 2500:

(gas) (diesel)
Body control module (bcm) (lower left side of dash)
Eap fuse 39 fuse 37 15a
Electronic adjustable pedals assembly (under left side of dash)
Electronic adjustable pedals pcb relay
G200 (on right front corner of hvac module)
Hot at all times
I/p multifunction switch assembly
J200
Left i/p junction block (lower left side of dash)
Park enable pcb relay
Underhood fuse block (left side of engine compt)

Driver Power Seat Wiring Diagram for GMC Sierra HD 2007 2500

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List of elements for Driver Power Seat Wiring Diagram for GMC Sierra HD 2007 2500:

Driver seat adjuster assembly
Driver seat adjuster switch
Driver seat front vertical motor
Driver seat horizontal motor
Driver seat rear vertical motor
Fwd
G304 (on lower right "b" pillar) (regular cab) g303 (on lower left "b" pillar) (crew cab/ extended cab)
Hot at all times
Left i/p junction block (lower left side of dash)
Nca
Pass seat 2 cb3 25a
Rwd
Tan
X12

Heated Seats Wiring Diagram (1 of 2) for GMC Sierra HD 2007 2500

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List of elements for Heated Seats Wiring Diagram (1 of 2) for GMC Sierra HD 2007 2500:

Computer data lines system
Driver cushion heated element (in driver's cushion)
Driver seat 2 cb3 25a
Driver seatback heated element (in driver's seat back)
Elem cntrl
G303 (on lower left "b" pillar)
Gmlan
Grd
Hot at all times
J311
J316
Left i/p junction block (lower left side of dash)
Memory seat module (under driver's seat)
Nca
Passenger cushion heated element (in passenger's cushion)
Passenger seatback heated element (in passenger's seat back)
Pnk
Sns sig
Tan
X12

Heated Seats Wiring Diagram (2 of 2) for GMC Sierra HD 2007 2500

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List of elements for Heated Seats Wiring Diagram (2 of 2) for GMC Sierra HD 2007 2500:

Computer data lines system
Ddm fuse 15a
Driver door switch (dds)
Driver heated seat switch
Dsm fuse 10a
G200 (on right front corner of hvac module)
G201 (upper left corner of dash)
Gmlan
Grd
Heated back
Heated cushion
Hot at all times
I/p fuse block (left side of dash)
Led cntrl
Passenger door switch (pds)
Passenger heated seat switch
Ppm fuse 15a
Right i/p junction block (in right x6 end of dash)
Sw cntrl
Sw sig
Temp cntrl

Heated Steering Wheel Wiring Diagram for GMC Sierra HD 2007 2500

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List of elements for Heated Steering Wheel Wiring Diagram for GMC Sierra HD 2007 2500:

(gas) (diesel)
Aux hvac - ign fuse 50 fuse 48 10a
Body control module (bcm) (lower left side of dash)
G200 (on right front corner of hvac module)
Grd
Heated steering fuse 7.5a
Heated steering wheel
Heated steering wheel control module (on left side of steering wheel assembly)
Hot at all times
Ign
Inflatable restraint steering wheel module coil (behind steering wheel)
J214
J220
J223
Led cntrl
Led sig
Left steering wheel control switch assembly
Nca
Pnk
Red
Sns sig
Sw sig
Underhood fuse block (left side of engine compt)
Whl cntrl

Passenger Power Seat Wiring Diagram, 6-Way Power Seat for GMC Sierra HD 2007 2500

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List of elements for Passenger Power Seat Wiring Diagram, 6-Way Power Seat for GMC Sierra HD 2007 2500:

Fwd
G304 (on lower right "b" pillar)
Hot at all times
J304
Left i/p junction block (lower left side of dash)
Nca
Pass seat 1 cb2 25a
Passenger seat adjuster assembly
Passenger seat adjuster switch
Passenger seat front vertical motor
Passenger seat horizontal motor
Passenger seat rear vertical motor
Rwd
Tan
X11

Passenger Power Seat Wiring Diagram, 8-Way Power Seat for GMC Sierra HD 2007 2500

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List of elements for Passenger Power Seat Wiring Diagram, 8-Way Power Seat for GMC Sierra HD 2007 2500:

Fwd
G304 (on lower right "b" pillar)
Hot at all times
J314
Left i/p junction block (lower left side of dash)
Nca
Pass seat 1 cb2 25a
Passenger seat adjuster assembly
Passenger seat adjuster switch
Passenger seat front vertical motor
Passenger seat horizontal motor
Passenger seat lumbar horizontal motor
Passenger seat lumbar switch
Passenger seat lumbar vertical motor
Passenger seat rear vertical motor
Passenger seat recline motor
Pnk
Rwd
Tan
X11

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagram for GMC Sierra HD 2007 2500

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List of elements for Power Top/Sunroof Wiring Diagram for GMC Sierra HD 2007 2500:

(gas) (diesel)
2b1
2b3
Accsy volt
Body control module (lower left side of dash)
Close
Crew cab
G200 (on right front corner of hvac module)
Ground
Hot at all times
Illumination lamp
Interior lights system
J324
Junction block (left i/p) (lower left side of dash)
Junction block (right i/p) (in right end of dash) x2
Open
Pnk
Power distribution system
Roof clos sig
Roof open sig
S/roof fuse 35 fuse 33 30a
Sunroof module (in front of sunroof, above headliner)
Sunroof switch
Sw xprs sig
Underhood fuse block (left side of engine compartment)
Vent
Vnt clos sig
Vnt open sig
Xprs
Xprs (crew cab)

POWER WINDOWS

Power Windows Wiring Diagram, with AN3/DL3 Option for GMC Sierra HD 2007 2500

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List of elements for Power Windows Wiring Diagram, with AN3/DL3 Option for GMC Sierra HD 2007 2500:

(crew & extended cab)
(in right
(upper left corner of dash) g201
B+ volt
Body control module (lower left side of dash, below steering column)
Door locks system
Down
Driver door switch (dds)
Driver window
End of dash)
Express down window down
Fuse block (i/p) (left side of dash)
G200 (on right front corner of hvac module)
G303 (on lower left "b" pillar)
G304 (on lower right "b" pillar)
Ground
Hot at all times
Illumination
Interior lights system
Junction block (left i/p) (lower left side of dash)
Junction block (right i/p)
Left rear window
Lo-spd serial data
Lo-speed serial data
Logic
Lr window
Lt dr circuit breaker 25a
Passenger door switch (pds)
Pwr wnd lockout lr ctrl
Pwr wnd lockout lr signal
Pwr wnd lockout rr ctrl
Pwr wnd lockout rr sig
Pwr wnd motor lf down ctrl
Pwr wnd motor lf up ctrl
Pwr wnd motor lr down ctrl
Pwr wnd motor lr up ctrl
Pwr wnd motor rf down ctrl
Pwr wnd motor rf up ctrl
Pwr wnd motor rr down ctrl
Pwr wnd motor rr up ctrl
Pwr wnd sw lr down sig
Pwr wnd sw lr up sig
Pwr wnd sw rr down sig
Pwr wnd sw rr up sig
Pwr wnd switch lr down signal
Pwr wnd switch lr up signal
Pwr wnd switch rr down signal
Pwr wnd switch rr up signal
Right rear window
Rr window
Rt doors circuit breaker 25a
Splice pack jx221
Switch power
W/ power rear side windows
Window down
Window lockout indicator down
Window lockout switch
Window motor (driver) (inside driver's door)
Window motor (left rear) (in left rear door)
Window motor (passenger) (inside passenger's door)
Window motor (right rear) (in right rear door)
Window passenger
Window switch (left rear) (w/power rear side windows)
Window switch (right rear) (w/power rear side windows)
Window switch passenger
Window up
Window up express down window down
X11

Power Windows Wiring Diagram, without AN3/DL3 Option for GMC Sierra HD 2007 2500

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List of elements for Power Windows Wiring Diagram, without AN3/DL3 Option for GMC Sierra HD 2007 2500:

(crew & extended cab)
(in right end of dash) junction block (right i/p)
(with rear side power window)
Accessory voltage
B+ volt
B+ volt
Body control module (lower left side of dash)
Driver window
Exprs down
Fuse block (i/p) (left side of dash)
G200 (on right front corner of hvac module)
G201 (upper left corner of dash)
G303 (on lower left "b" pillar)
G304 (on lower right "b" pillar)
Ground
Hot at all times
Illumination
Interior lights system
J502
J603
Junction block (left i/p) (lower left side of dash)
Left rear window switch
Logic
Lr window
Lt dr circuit breaker 25a
Power tops system
Pwr wnd lockout lr ctrl
Pwr wnd lockout lr signal
Pwr wnd lockout rr control
Pwr wnd lockout rr ctrl
Pwr wnd motor lf down ctrl
Pwr wnd motor lf up ctrl
Pwr wnd motor lr down ctrl
Pwr wnd motor lr up ctrl
Pwr wnd motor rf down ctrl
Pwr wnd motor rf up ctrl
Pwr wnd motor rr down ctrl
Pwr wnd motor rr up ctrl
Pwr wnd sw lr down sig
Pwr wnd sw lr up sig
Pwr wnd sw pass down sig
Pwr wnd sw pass up sig
Pwr wnd sw rr down sig
Pwr wnd sw rr up sig
Pwr wnd switch lr down signal
Pwr wnd switch lr up signal
Pwr wnd switch rr down signal
Pwr wnd switch rr up signal
Right rear window switch
Rr window
Rt doors circuit breaker 25a
Tan
Window down
Window down window up
Window motor (driver) (inside driver's door)
Window motor (front passenger) (inside front passenger's door)
Window motor (left rear) (in left rear door)
Window motor (right rear) (in right rear door)
Window passenger
Window switch
Window switch (driver)
Window switch (left rear) (w/rear side power windows)
Window switch (passenger)
Window switch (right rear) (w/rear side power windows)
Window up
X11
X13

Sliding Rear Window Wiring Diagram for GMC Sierra HD 2007 2500

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List of elements for Sliding Rear Window Wiring Diagram for GMC Sierra HD 2007 2500:

(except crew cab) (crew cab)
(on lower right "b" pillar) (at right rear corner of passenger compartment)
(on right front corner of hvac module)
Acces- sory voltage
Body control module (lower left side of dash)
Close
G200
G304 g307
Hot at all times
Illumi- nation
Interior lighting system
J323
J335 (in auxillary window harness)
J336
Junction block (left i/p) (lower left side of dash)
Open
Power tops system
Pwr rear wndw circuit breaker cb4 25a
Sliding rear window close relay
Sliding rear window motor (right rear of passenger compartment)
Sliding rear window open relay
Tan
Window switch (sliding rear window)
X12

RADIO

Radio Wiring Diagram, with Y91 & with UQA (1 of 3) for GMC Sierra HD 2007 2500

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List of elements for Radio Wiring Diagram, with Y91 & with UQA (1 of 3) for GMC Sierra HD 2007 2500:

(diesel)
(gas)
(in overhead console) cellular microphone
(lower left side of dash) left i/p junction block
Amp fuse 42 fuse 40 30a
Aud sig
Cellular, navigation and digital radio antenna
Computer data lines system
Digital radio receiver
Drain wire
G301 (below left side of passenger's seat)
Gmlan
Gmlan+
Gmlan-
Grd
Green led
Hot at all times
Infiotmnt fuse 47 fuse 45 15a
Interior lights system
J204
Keypad sig
L aud+
L aud-
Led cntrl
Lf aud+
Lf aud-
Low ref
Lr aud+
Lr aud-
Mast antenna
Navigation antenna
Nca
Pins: 6-16 not used
Pnk
R aud+
R aud-
Radio
Rdo fuse 43 fuse 41 15a
Red led
Rem sig
Rf aud+
Rf aud-
Rr aud+
Rr aud-
Tan
Tele sig
Underhood fuse block (left side of engine compt)
Vehicle communication interface module (vcim) (upper right side of dash)
Voice sig
W/ gps
W/o gps
X12

Radio Wiring Diagram, with Y91 & with UQA (2 of 3) for GMC Sierra HD 2007 2500

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List of elements for Radio Wiring Diagram, with Y91 & with UQA (2 of 3) for GMC Sierra HD 2007 2500:

(on left side of center console) noise compensation microphone
(under rear of center console) audio amplifier
Amplf+
Amplf-
Computer data lines system
Drain wire
F aud-
F centr spk+
F centr spk-
G301 (below left side of passenger's seat)
Gmlan
Grd
Infrared ref
Infrared v
Inside rearview mirror (isrvm)
J330
L infrared
L subwfr-
Lf aud+
Lf aud-
Lf spk+
Lf spk-
Lr aud+
Lr aud-
Microph volt
Nca
Pnk
R infrared
R subwfr+
R subwfr-
Rear seat audio (rsa) controller
Rf aud+
Rf spk+
Rf spk-
Rr aud+
Rr aud-
Subwfr+
Subwoofer speaker
Tan

Radio Wiring Diagram, with Y91 & with UQA (3 of 3) for GMC Sierra HD 2007 2500

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List of elements for Radio Wiring Diagram, with Y91 & with UQA (3 of 3) for GMC Sierra HD 2007 2500:

Ampl+
Ampl-
Anti-lock brakes system
Aud low ref
Audio/video adapter
Aux vid h
Aux video h
Center speaker
Drain wire
Dvd aud com
Dvd aud sh
Dvd comm
Dvd+
Dvd-
Enable sig
Grd
I/p fuse block (left side of dash)
Infrared module (in headliner)
Infrared+
Infrared-
L aud sig
L aux aud
L aux vid
L dvd+
Left front speaker
Left front tweeter speaker
Left rear door speaker
Nca
Pnk
R aud sig
R aux aud
R aux vid
R dvd+
Radio
Right front speaker
Right front tweeter speaker
Right i/p junction block (in right end of dash)
Right rear door speaker
Signal+
Signal-
Tan
Video cntrl
Video display
Video sig
Volt
Vss

Radio Wiring Diagram, with Y91 & without UQA (1 of 3) for GMC Sierra HD 2007 2500

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List of elements for Radio Wiring Diagram, with Y91 & without UQA (1 of 3) for GMC Sierra HD 2007 2500:

(diesel)
(gas)
(in overhead console) cellular microphone
(lower left side of dash) left i/p junction block
Amp fuse 42 fuse 40 30a
Aud sig
Cellular, navigation and digital radio antenna
Computer data lines system
Digital radio receiver
Drain wire
G301 (below left side of passenger's seat)
Gmlan
Gmlan+
Gmlan-
Grd
Green led
Hot at all times
Infiotmnt fuse 47 fuse 45 15a
Interior lights system
J204
Keypad sig
L aud+
L aud-
Led cntrl
Lf spk+
Lf spk-
Low ref
Lr aud+
Lr aud-
Mast antenna
Navigation antenna
Nca
Pins: 6-16 not used
Pnk
R aud+
R aud-
Radio
Rdo fuse 43 fuse 41 15a
Red led
Rem sig
Rf spk+
Rf spk-
Rr aud+
Rr aud-
Tan
Tele sig
Underhood fuse block (left side of engine compt)
Vehicle communication interface module (vcim) (upper right side of dash)
Voice sig
W/ gps
W/o gps
X12

Radio Wiring Diagram, with Y91 & without UQA (2 of 3) for GMC Sierra HD 2007 2500

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List of elements for Radio Wiring Diagram, with Y91 & without UQA (2 of 3) for GMC Sierra HD 2007 2500:

(on left side of center console) noise compensation microphone
(under rear of center console) audio amplifier
Amplf+
Amplf-
Computer data lines system
Drain wire
F centr spk+
F centr spk-
G301 (below left side of passenger's seat)
Gmlan
Grd
Infrared ref
Infrared v
Inside rearview mirror (isrvm)
J330
L infrared
L subwfr-
Microph volt
Nca
Pnk
R infrared
R subwfr+
R subwfr-
Rear seat audio (rsa) controller
Subwfr+
Subwoofer speaker
Tan

Radio Wiring Diagram, with Y91 & without UQA (3 of 3) for GMC Sierra HD 2007 2500

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List of elements for Radio Wiring Diagram, with Y91 & without UQA (3 of 3) for GMC Sierra HD 2007 2500:

(w/o regular cab) left rear door speaker (w/ regular cab) left rear speaker
(w/o regular cab) right rear door speaker (w/ regular cab) right rear speaker
Ampl+
Ampl-
Anti-lock brakes system
Aud low ref
Audio/video adapter
Aux vid h
Aux video h
Center speaker
Drain wire
Dvd aud com
Dvd aud sh
Dvd comm
Dvd+
Dvd-
Enable sig
Grd
I/p fuse block (left side of dash)
Infrared module (in headliner)
Infrared+
Infrared-
L aud sig
L aux aud
L aux vid
L dvd+
Left front speaker
Left front tweeter speaker
Nca
Pnk
R aud sig
R aux aud
R aux vid
R dvd+
Radio
Right front speaker
Right front tweeter speaker
Right i/p junction block (in right end of dash)
Signal+
Signal-
Tan
Video cntrl
Video display
Video sig
Volt
Vss

Radio Wiring Diagram, without Y91 & with UQA (1 of 3) for GMC Sierra HD 2007 2500

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List of elements for Radio Wiring Diagram, without Y91 & with UQA (1 of 3) for GMC Sierra HD 2007 2500:

(diesel)
(gas)
(in overhead console) cellular microphone
(lower left side of dash) left i/p junction block
Amp fuse 42 fuse 40 30a
Ampl cntrl
Aud sig
Cellular, navigation and digital radio antenna
Computer data lines system
Digital radio receiver
Drain wire
G301 (below left side of passenger's seat)
Gmlan
Gmlan+
Gmlan-
Grd
Green led
Hot at all times
Infiotmnt fuse 47 fuse 45 15a
Interior lights system
Keypad sig
L aud+
L aud-
Led cntrl
Lf aud+
Lf aud-
Low ref
Lr aud+
Lr aud-
Mast antenna
Navigation antenna
Nca
Pins: 6-16 not used
Pnk
R aud+
R aud-
Radio
Rdo fuse 43 fuse 41 15a
Red led
Rem sig
Rf aud+
Rf aud-
Rr aud+
Rr aud-
Tan
Tele sig
Underhood fuse block (left side of engine compt)
Vehicle communication interface module (vcim) (upper right side of dash)
Voice sig
W/ gps
W/o gps
X12

Radio Wiring Diagram, without Y91 & with UQA (2 of 3) for GMC Sierra HD 2007 2500

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List of elements for Radio Wiring Diagram, without Y91 & with UQA (2 of 3) for GMC Sierra HD 2007 2500:

(under rear of center console) audio amplifier
Ampl cntrl
Computer data lines system
Drain wire
F aud-
G301 (below left side of passenger's seat)
Gmlan
Grd
Infrared ref
Infrared v
Inside rearview mirror (isrvm)
J330
L infrared
L subwfr+
L subwfr-
Lf aud+
Lf aud-
Lf spk+
Lf spk-
Lr aud+
Lr aud-
Nca
Pnk
R infrared
R subwfr+
R subwfr-
Rear seat audio (rsa) controller
Rem enable
Rf aud+
Rf spk+
Rf spk-
Rr aud
Rr aud+
Rr aud-
Subwoofer speaker
Tan

Radio Wiring Diagram, without Y91 & with UQA (3 of 3) for GMC Sierra HD 2007 2500

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List of elements for Radio Wiring Diagram, without Y91 & with UQA (3 of 3) for GMC Sierra HD 2007 2500:

Anti-lock brakes system
Aud low ref
Audio/video adapter
Aux vid h
Aux video h
Drain wire
Dvd aud com
Dvd aud sh
Dvd comm
Dvd+
Dvd-
Enable sig
Grd
I/p fuse block (left side of dash)
Infrared module (in headliner)
Infrared+
Infrared-
L aud sig
L aux aud
L aux vid
L dvd+
Left front speaker
Left front tweeter speaker
Left rear door speaker
Nca
Pnk
R aud sig
R aux aud
R aux vid
R dvd+
Radio
Right front speaker
Right front tweeter speaker
Right i/p junction block (in right end of dash)
Right rear door speaker
Signal+
Signal-
Tan
Video cntrl
Video display
Video sig
Volt
Vss

Radio Wiring Diagram, without Y91 & without UQA (1 of 3) for GMC Sierra HD 2007 2500

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List of elements for Radio Wiring Diagram, without Y91 & without UQA (1 of 3) for GMC Sierra HD 2007 2500:

(diesel)
(gas)
(in overhead console) cellular microphone
(lower left side of dash) left i/p junction block
Amp fuse 42 fuse 40 30a
Ampl cntrl
Aud sig
Cellular, navigation and digital radio antenna
Computer data lines system
Digital radio receiver
Drain wire
G301 (below left side of passenger's seat)
Gmlan
Gmlan+
Gmlan-
Grd
Green led
Hot at all times
Infiotmnt fuse 47 fuse 45 15a
Interior lights system
Keypad sig
L aud+
L aud-
Led cntrl
Lf spk+
Lf spk-
Low ref
Lr aud+
Lr aud-
Mast antenna
Navigation antenna
Nca
Pins: 6-16 not used
Pnk
R aud+
R aud-
Radio
Rdo fuse 43 fuse 41 15a
Red led
Rem sig
Rf spk+
Rf spk-
Rr aud+
Rr aud-
Tan
Tele sig
Underhood fuse block (left side of engine compt)
Vehicle communication interface module (vcim) (upper right side of dash)
Voice sig
W/ gps
W/o gps
X12

Radio Wiring Diagram, without Y91 & without UQA (2 of 3) for GMC Sierra HD 2007 2500

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List of elements for Radio Wiring Diagram, without Y91 & without UQA (2 of 3) for GMC Sierra HD 2007 2500:

(under rear of center console) audio amplifier
Ampl cntrl
Computer data lines system
Drain wire
G301 (below left side of passenger's seat)
Gmlan
Grd
Infrared ref
Infrared v
Inside rearview mirror (isrvm)
J330
L infrared
L subwfr+
L subwfr-
Lr aud+
Lr aud-
Nca
Pnk
R infrared
R subwfr+
R subwfr-
Rear seat audio (rsa) controller
Rem enable
Rr aud
Rr aud+
Rr aud-
Subwoofer speaker
Tan

Radio Wiring Diagram, without Y91 & without UQA (3 of 3) for GMC Sierra HD 2007 2500

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List of elements for Radio Wiring Diagram, without Y91 & without UQA (3 of 3) for GMC Sierra HD 2007 2500:

(w/o regular cab) left rear door speaker (w/ regular cab) left rear speaker
(w/o regular cab) right rear door speaker (w/ regular cab) right rear speaker
Anti-lock brakes system
Aud low ref
Audio/video adapter
Aux vid h
Aux video h
Drain wire
Dvd aud com
Dvd aud sh
Dvd comm
Dvd+
Dvd-
Enable sig
Grd
I/p fuse block (left side of dash)
Infrared module (in headliner)
Infrared+
Infrared-
L aud sig
L aux aud
L aux vid
L dvd+
Left front speaker
Left front tweeter speaker
Nca
Pnk
R aud sig
R aux aud
R aux vid
R dvd+
Radio
Right front speaker
Right front tweeter speaker
Right i/p junction block (in right end of dash)
Signal+
Signal-
Tan
Video cntrl
Video display
Video sig
Volt
Vss

SHIFT INTERLOCK

Shift Interlock Wiring Diagram for GMC Sierra HD 2007 2500

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List of elements for Shift Interlock Wiring Diagram for GMC Sierra HD 2007 2500:

(4.3l)
(except 4.3l)
(gas) (diesel)
(lower left side of dash) junction block (left i/p)
4-spd a/t
6-spd automatic transmission
Allison transmission
Body control module (lower left side of dash)
Brk sw sig
Computer data lines system
Control solenoid valve assembly
Diesel
Engine control module (left front of engine compt, near fan shroud)
Exterior lights system
G102 (on lower left front of engine)
G103 (on front of right cylinder head)
G106 (lower left side of engine)
G200 (on right front corner of hvac module)
Gasoline w/ 6 spd a/t
Gmlan hi-spd (+)
Gmlan hi-spd (-)
Gnd
Hot at all times
Internal mode switch
J105 (in engine harness, 12cm from ect sensor breakout)
J106 (in engine harness, 23cm from map sensor breakout)
J144
J215
Misc ign fuse 44 fuse 42 10a
Nca
P/n signal
P/n switch
Park/neutral position switch (left rear side of transmission)
Pnk
Power distribution system
Run/crank relay
Run/crank relay ctrl
Shift interlock solenoid (on steering column)
Start switch
Stop lamp switch (top of brake pedal assembly)
Tan
Transmission control module (left front of engine compt, near fan shroud)
Transmission internal mode switch
Underhood fuse block (left side of engine compt)
X175

STARTING/CHARGING

Charging Wiring Diagram, Diesel for GMC Sierra HD 2007 2500

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List of elements for Charging Wiring Diagram, Diesel for GMC Sierra HD 2007 2500:

Charge
Chg sig
Computer data lines system
Data bs
Engine control module (ecm) (left front of engine compt, near fan shroud)
Gen sig
Hot at all times
Instrument panel cluster (ipc)
J132
Left generator
Logic
Mega fuse 175a
Right generator
Tan
Underhood fuse block (left side of engine compt)

Charging Wiring Diagram, Gasoline for GMC Sierra HD 2007 2500

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List of elements for Charging Wiring Diagram, Gasoline for GMC Sierra HD 2007 2500:

Battery current sensor (w/ 1500)
Body control module (bcm)
Charge
Chg ind
Computer data lines system
Data bs
Engine control module (ecm) (left front of engine compt, near fan shroud)
Gen sig
Generator
Hot at all times
Instrument panel cluster (ipc)
Ipc fuse 48 10a
Logic
Pnk
Power distribution system
Sns grd
Sns sig
Tan
Underhood fuse block (left side of engine compt)
W/ 4.3l
W/o 4.3l

Starting Wiring Diagram for GMC Sierra HD 2007 2500

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List of elements for Starting Wiring Diagram for GMC Sierra HD 2007 2500:

(top left rear of engine) g107 (on lower left front of engine) g102 (on front of right cylinder head) g103
Acc
Body control module (bcm)
Computer data lines system
Data bs
Diesel
Engine control module (ecm)
G101 (on lower right radiator support)
G103 (on front of right cylinder head)
Gasoline
Hot at all times
Ign iii
Ignition switch
J105
Off
Pnk
Power distribution system
Red
Right battery
Run
Start
Starter
Strt rly
Strtr fuse 64 fuse 60 40a
Strtr relay
Tan
Underhood fuse block (left side of engine compt)
W/ 4.3l
W/o 4.3l

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram (1 of 2) for GMC Sierra HD 2007 2500

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List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for GMC Sierra HD 2007 2500:

(below center console)
(if equipped)
(right front corner of driver's seat track) inflatable restraint seat position sensor (sps)
Driver seat belt buckle
Driver seat belt preten- sioner
Driver seat belt sw sig
Driver seat pos sw sig
Extended cab/ crew cab
G302 (below right side of passenger's seat
G302 (below right side of passenger's seat)
I/p mod disable sw sig
I/p mod stage 1 hi ctrl
I/p mod stage 1 lo ctrl
I/p mod stage 2 hi ctrl
I/p mod stage 2 lo ctrl
I/p mod suppression ind ctrl
Ignition 1 voltage
Inflatable restraint i/p module
Inflatable restraint sensing & diagnostic module (under driver seat)
Inflatable restraint steering wheel module c1
Inflatable restraint steering wheel module coil (behind steering wheel)
Inflatable restraint vehicle rollover sensor (if equipped)
J305
L seat belt pretensnr hi ctrl
L seat belt pretensnr lo ctrl
Left front inflatable restraint side impact sensor (in driver's door)
Left inflatable restraint front sensor (on lower left radiator support)
Left rear inflatable restraint side impact sensor (in left rear door)
Lf discriminating sensor signal
Lf roof rail mod hi ctrl
Lf roof rail mod lo ctrl
Lf side impact sensing mod sig
Low reference
Low spd gmlan serial data
Lr side impact sensing mod sig
Nca
Passenger seat belt buckle
Passenger seat belt preten- sioner
Passenger seat belt sw sig
Pin shorting bars engaged
Pnk
R seat belt pretensnr hi ctrl
R seat belt pretensnr lo ctrl
Rf discriminating sensor signal
Rf roof rail mod hi ctrl
Rf roof rail mod lo ctrl
Rf side impact sensing mod sig
Right front inflatable restraint side impact sensor (in passenger's door)
Right inflatable restraint front sensor (on lower right radiator support)
Right rear inflatable restraint side impact sensor (in right rear door)
Rollover sensor high sig
Rr side impact sensing mod sig
Seat belt switch
Shorting bar
Stage 1
Stage 2
Str wheel mod stage 1 hi ctrl
Str wheel mod stage 1 lo ctrl
Str wheel mod stage 2 hi ctrl
Str wheel mod stage 2 lo ctrl
Tan
Twisted pair wires
When module connector is disconnected from harness

Supplemental Restraints Wiring Diagram (2 of 2) for GMC Sierra HD 2007 2500

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List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for GMC Sierra HD 2007 2500:

(under front passenger's seat) inflatable restraint passenger presence system (pps) module
Air bag ind
Airbag batt fuse 46 15a
Airbag ign fuse 41 10a
Extended cab/ crew cab
G200 (on right front corner of hvac module)
G302 (below right side of passenger's seat
Hot at all times
Hot when run/crnk relay energized
Ign
Inflatable restraint i/p module disable switch (if equipped)
Inflatable restraint passenger air bag on/off indicator
Inflatable restraint passenger presence system (pps) sensor (in front passenger's seat bottom)
Inflatable restraint passenger seat belt tension sensor
Instrument panel cluster (ipc)
J323
Jx221
Jx339
Left i/p junction block (lower left side of dash)
Left inflatable restraint roof rail module (behind left side of headliner trim)
Lo spd gmlan serial data
Logic
Low reference
Low spd gmlan serial data
Nca
Off
Pass air bag off ind ctrl
Pass air bag on ind ctrl
Pass seat belt ind
Passenger seat belt buckle
Passenger seat belt ind
Pnk
Regular cab
Right inflatable restraint roof rail module (behind right side of headliner trim)
Sensor signal
Serial data
Shorting bar
Tan
Underhood fuse block (left side of engine compt)
Voltage reference
X1 a1
X1 n5
X11
X2 p1
X4 d4
X5 g2

TRANSMISSION

4.3L VIN X

4.3L VIN X, A/T Wiring Diagram (1 of 2) for GMC Sierra HD 2007 2500

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List of elements for 4.3L VIN X, A/T Wiring Diagram (1 of 2) for GMC Sierra HD 2007 2500:

(4.3l)
(except 4.3l)
1-2 shift sol
2-3 shift sol
3-2 shift sol
Acc wake up data
Battery
Brk sw sign
Computer data lines system
Exterior lights system
G103 (4.3l: on front of right cylinder head, except 4.3l: location not available)
G103 (on front of right cylinder head)
G106 (location not available)
Gnd
Hi spd gmlan data (+)
Hi spd gmlan data (-)
Hot at all times
Hot w/ run/crank relay energized
Ign 1 volt
Iss sign
J106
J230
Left i/p junction block (lower left x1 side of dash)
Low ref
Misc ign fuse 44 10a
P/n
Park/neutral position (pnp) switch (on left rear side of transmission)
Pc sol hi
Pc sol low
Pnk
Replicated tos sig
Stop lamp switch (top of brake pedal assembly)
Stop/chmsl fuse 8 10a
Tan
Tcc pwm
Tcc sol valve ctrl
Tcm-batt fuse 14 10a
Tfp sw a sig
Tfp sw b sig
Tfp sw c sig
Tft sens sig
Tr sw a sig
Tr sw b sig
Tr sw c sig
Tr sw p sig
Trans ig1 fuse 20 10a
Transmission control module (tcm) (left front of engine comp, near fan shroud)
Underhood fuse block (left side of engine compt)
Vehicle speed sensor (vss) (on transmission tailshaft)
Vss hi sig
Vss low
W/ 4wd
W/o 4wd

4.3L VIN X, A/T Wiring Diagram (2 of 2) for GMC Sierra HD 2007 2500

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List of elements for 4.3L VIN X, A/T Wiring Diagram (2 of 2) for GMC Sierra HD 2007 2500:

1-2 shift solenoid valve
2-3 shift solenoid (2-3 ss) valve
3-2 shift solenoid (3-2 ss) valve
4.3l
Automatic transmission (left front of eng compt, near fan shroud)
Automatic transmission fluid temperature (tft) sensor
Automatic transmission pressure manual valve position switch
Automatic transmission shift lever
Body control module (bcm) (lower left side of dash)
Computer data lines system
Engine control module (ecm) (left front of engine compt, near fan shroud)
Except 4.3l
G201 (upper left corner of dash)
Hi spd gmlan +
Hi spd gmlan -
Ind haul
Input speed sensor (iss)
Instrument panel cluster
J116
J126
J230
Lo gm gmlan
Logic
Mil
Mil ind ctrl
Mil sig
Nca
Pnk
Pressure control (pc) solenoid valve
Prnd321
Red
Replicated tos sign
Rev
Tan
Torque converter clutch (tcc) solenoid valve
Torque converter clutch pulse width modulation (tcc pwm) solenoid valve
Tow haul switch
Tow/
Tow/haul sw sig

4.3L VIN X, Transfer Case Wiring Diagram, 2-Speed Automatic for GMC Sierra HD 2007 2500

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List of elements for 4.3L VIN X, Transfer Case Wiring Diagram, 2-Speed Automatic for GMC Sierra HD 2007 2500:

4 hi ind ctrl
(4.3l)
(4.8l,5.3l,6.0l)
(allison)
(diesel)
(in i/p harn, 9 cm from main harness assembly breakout) j207
2 hi ind ctrl
2-hi ind
2a4
2wd
4 hi
4 lo
4 lo ind ctrl
4 speed transmission
4-hi ind
4-lo ind
4wd indicator lamp
5 volt
6 speed transmission
8v sply
Accy wakeup srl data
Auto
Auto 4wd
Aux hvac-ign fuse 50 10a
Awd ind ctrl
Axle actr ctrl
Axle sw sig
Batt +
Body control module (lower left side of dash)
Brake control
Computer data lines system
Ctrl
Dirtn sig
Engine control module (left front of eng compt, near fan shroud)
Exterior lights system
Front axle actuator (on front axle assembly)
G102 (on lower left front of eng)
G103 (on front of right cylinder head)
G107 (top left rear of eng)
G201 (upper left corner of dash)
Gmlan bus +
Gmlan bus -
Gmlan bus-
Gnd
Hot at all times
Hot in acc and run
Hot in run or start
Hot w/ run/crnk relay energized
Ign
Ign volt
Incrmt encoder directn sig
Incrmt encoder impulse sig
Instrument panel cluster
Interior lights system
J104
J105
Left i/p junction block (lower left side of dash)
Lo ref
Lock sol ctrl
Logic
Misc ign fuse 44 10a
Mtr ctrl a
Mtr ctrl b
Neut
Neutral ind
Outside moisture sensor (near inside rear view mirror)
Pnk
Pulse sig
Right i/p junction block (in right end of dash)
Rotary position sens sig
Rotational position sensor (on transfer case)
Shift motor
Sw sig
Tan
Trans ig1 fuse 30 15a
Transfer case encoder motor (on transfer case)
Transfer case shift control module (lower left side of dash)
Transfer case shift control switch
Transmission control module (left front of eng compt, near fan shroud)
Trec fuse 69 30a
Underhood fuse block (left side of engine compt)
W/ outside moisture sensor
W/o outside moisture sensor
X1 a3 pnk
X1 a4
X5 g4 pnk

4.3L VIN X, Transfer Case Wiring Diagram, 2-Speed Manual for GMC Sierra HD 2007 2500

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List of elements for 4.3L VIN X, Transfer Case Wiring Diagram, 2-Speed Manual for GMC Sierra HD 2007 2500:

(4.3l)
(4.8l,5.3l,6.0l)
(4.8l,5.3l,6.ol)
(diesel)
(on lower left front of eng)
(top left rear of eng)
4wd indicator lamp
4wd low sig
Aux hvac-ign fuse 50 10a
Axle sw sig
Computer data lines system
Engine control module (left front of engine compt, near fan shroud)
Front axle actuator (on front axle assembly)
Fuse block underhood (left side of eng compt)
G102 g103 (on front of right cylinder head)
G107
G201 (upper left corner of dash)
Gmlan bus +
Gmlan bus -
Hot in run or start
Instrument panel cluster
J105
Logic
Pnk
Tan
Trans ign 1 fuse 20 10a
Transfer case shift control switch (on top left of transfer case)
X2 n4 pnk
X5 g4 pnk

4.3L VIN X, Transfer Case Wiring Diagram, Selectable for GMC Sierra HD 2007 2500

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List of elements for 4.3L VIN X, Transfer Case Wiring Diagram, Selectable for GMC Sierra HD 2007 2500:

4 hi ind ctrl
(4.3l)
(4.8l,5.3l,6.0l)
(4.8l,5.3l,6.ol)
(allison)
(diesel)
(in i/p harn, 9 cm from main harness assembly breakout) j207
(top left rear of eng)
2 hi ind ctrl
2-hi ind
2a4
2wd
4 hi
4 lo
4 lo ind ctrl
4 speed transmission
4-hi ind
4-lo ind
4wd indicator lamp
5 volt
6 speed transmission
8v sply
Accy wakeup srl data
Aux hvac-ign fuse 50 10a
Axle actr ctrl
Axle sw sig
Batt +
Body control module (lower left side of dash)
Computer data lines system
Ctrl
Engine control module (left front of eng compt, near fan shroud)
Exterior lights system
Front axle actuator (on front axle assembly)
G102 (on lower left front of eng)
G103 (on front of right cylinder head)
G107
G201 (upper left corner of dash)
Gmlan bus +
Gmlan bus -
Gmlan bus-
Gnd
Hot at all times
Hot in acc and run
Hot in run or start
Hot w/ run/crnk relay energized
Ign
Ign volt
Incrmt encoder sig
Instrument panel cluster
Interior lights system
J104
J105
Left i/p junction block (lower left side of dash)
Lo ref
Logic
Misc ign fuse 44 10a
Mtr ctrl a
Mtr ctrl b
Neut
Neutral ind
Outside moisture sensor (near inside rear view mirror)
Pnk
Right i/p junction block (in right end of dash)
Shift motor
Sw sig
Tan
Trans ig1 fuse 30 15a
Transfer case encoder motor (on transfer case)
Transfer case shift control module (lower left side of dash)
Transfer case shift control switch
Transmission control module (left front of eng compt, near fan shroud)
Trec fuse 69 30a
Underhood fuse block (left side of engine compt)
W/ outside moisture sensor
W/o outside moisture sensor
X1 a3 pnk
X1 a4
X5 g4 pnk

4.8L VIN C

4.8L VIN C, A/T Wiring Diagram (1 of 2) for GMC Sierra HD 2007 2500

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List of elements for 4.8L VIN C, A/T Wiring Diagram (1 of 2) for GMC Sierra HD 2007 2500:

(4.3l)
(except 4.3l)
1-2 shift sol
2-3 shift sol
3-2 shift sol
Acc wake up data
Battery
Brk sw sign
Computer data lines system
Exterior lights system
G103 (4.3l: on front of right cylinder head, except 4.3l: location not available)
G103 (on front of right cylinder head)
G106 (location not available)
Gnd
Hi spd gmlan data (+)
Hi spd gmlan data (-)
Hot at all times
Hot w/ run/crank relay energized
Ign 1 volt
Iss sign
J106
J230
Left i/p junction block (lower left x1 side of dash)
Low ref
Misc ign fuse 44 10a
P/n
Park/neutral position (pnp) switch (on left rear side of transmission)
Pc sol hi
Pc sol low
Pnk
Replicated tos sig
Stop lamp switch (top of brake pedal assembly)
Stop/chmsl fuse 8 10a
Tan
Tcc pwm
Tcc sol valve ctrl
Tcm-batt fuse 14 10a
Tfp sw a sig
Tfp sw b sig
Tfp sw c sig
Tft sens sig
Tr sw a sig
Tr sw b sig
Tr sw c sig
Tr sw p sig
Trans ig1 fuse 20 10a
Transmission control module (tcm) (left front of engine comp, near fan shroud)
Underhood fuse block (left side of engine compt)
Vehicle speed sensor (vss) (on transmission tailshaft)
Vss hi sig
Vss low
W/ 4wd
W/o 4wd

4.8L VIN C, A/T Wiring Diagram (2 of 2) for GMC Sierra HD 2007 2500

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List of elements for 4.8L VIN C, A/T Wiring Diagram (2 of 2) for GMC Sierra HD 2007 2500:

1-2 shift solenoid valve
2-3 shift solenoid (2-3 ss) valve
3-2 shift solenoid (3-2 ss) valve
4.3l
Automatic transmission (left front of eng compt, near fan shroud)
Automatic transmission fluid temperature (tft) sensor
Automatic transmission pressure manual valve position switch
Automatic transmission shift lever
Body control module (bcm) (lower left side of dash)
Computer data lines system
Engine control module (ecm) (left front of engine compt, near fan shroud)
Except 4.3l
G201 (upper left corner of dash)
Hi spd gmlan +
Hi spd gmlan -
Ind haul
Input speed sensor (iss)
Instrument panel cluster
J116
J126
J230
Lo gm gmlan
Logic
Mil
Mil ind ctrl
Mil sig
Nca
Pnk
Pressure control (pc) solenoid valve
Prnd321
Red
Replicated tos sign
Rev
Tan
Torque converter clutch (tcc) solenoid valve
Torque converter clutch pulse width modulation (tcc pwm) solenoid valve
Tow haul switch
Tow/
Tow/haul sw sig

4.8L VIN C, Transfer Case Wiring Diagram, 2-Speed Automatic for GMC Sierra HD 2007 2500

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List of elements for 4.8L VIN C, Transfer Case Wiring Diagram, 2-Speed Automatic for GMC Sierra HD 2007 2500:

4 hi ind ctrl
(4.3l)
(4.8l,5.3l,6.0l)
(allison)
(diesel)
(in i/p harn, 9 cm from main harness assembly breakout) j207
2 hi ind ctrl
2-hi ind
2a4
2wd
4 hi
4 lo
4 lo ind ctrl
4 speed transmission
4-hi ind
4-lo ind
4wd indicator lamp
5 volt
6 speed transmission
8v sply
Accy wakeup srl data
Auto
Auto 4wd
Aux hvac-ign fuse 50 10a
Awd ind ctrl
Axle actr ctrl
Axle sw sig
Batt +
Body control module (lower left side of dash)
Brake control
Computer data lines system
Ctrl
Dirtn sig
Engine control module (left front of eng compt, near fan shroud)
Exterior lights system
Front axle actuator (on front axle assembly)
G102 (on lower left front of eng)
G103 (on front of right cylinder head)
G107 (top left rear of eng)
G201 (upper left corner of dash)
Gmlan bus +
Gmlan bus -
Gmlan bus-
Gnd
Hot at all times
Hot in acc and run
Hot in run or start
Hot w/ run/crnk relay energized
Ign
Ign volt
Incrmt encoder directn sig
Incrmt encoder impulse sig
Instrument panel cluster
Interior lights system
J104
J105
Left i/p junction block (lower left side of dash)
Lo ref
Lock sol ctrl
Logic
Misc ign fuse 44 10a
Mtr ctrl a
Mtr ctrl b
Neut
Neutral ind
Outside moisture sensor (near inside rear view mirror)
Pnk
Pulse sig
Right i/p junction block (in right end of dash)
Rotary position sens sig
Rotational position sensor (on transfer case)
Shift motor
Sw sig
Tan
Trans ig1 fuse 30 15a
Transfer case encoder motor (on transfer case)
Transfer case shift control module (lower left side of dash)
Transfer case shift control switch
Transmission control module (left front of eng compt, near fan shroud)
Trec fuse 69 30a
Underhood fuse block (left side of engine compt)
W/ outside moisture sensor
W/o outside moisture sensor
X1 a3 pnk
X1 a4
X5 g4 pnk

4.8L VIN C, Transfer Case Wiring Diagram, 2-Speed Manual for GMC Sierra HD 2007 2500

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List of elements for 4.8L VIN C, Transfer Case Wiring Diagram, 2-Speed Manual for GMC Sierra HD 2007 2500:

(4.3l)
(4.8l,5.3l,6.0l)
(4.8l,5.3l,6.ol)
(diesel)
(on lower left front of eng)
(top left rear of eng)
4wd indicator lamp
4wd low sig
Aux hvac-ign fuse 50 10a
Axle sw sig
Computer data lines system
Engine control module (left front of engine compt, near fan shroud)
Front axle actuator (on front axle assembly)
Fuse block underhood (left side of eng compt)
G102 g103 (on front of right cylinder head)
G107
G201 (upper left corner of dash)
Gmlan bus +
Gmlan bus -
Hot in run or start
Instrument panel cluster
J105
Logic
Pnk
Tan
Trans ign 1 fuse 20 10a
Transfer case shift control switch (on top left of transfer case)
X2 n4 pnk
X5 g4 pnk

4.8L VIN C, Transfer Case Wiring Diagram, Selectable for GMC Sierra HD 2007 2500

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List of elements for 4.8L VIN C, Transfer Case Wiring Diagram, Selectable for GMC Sierra HD 2007 2500:

4 hi ind ctrl
(4.3l)
(4.8l,5.3l,6.0l)
(4.8l,5.3l,6.ol)
(allison)
(diesel)
(in i/p harn, 9 cm from main harness assembly breakout) j207
(top left rear of eng)
2 hi ind ctrl
2-hi ind
2a4
2wd
4 hi
4 lo
4 lo ind ctrl
4 speed transmission
4-hi ind
4-lo ind
4wd indicator lamp
5 volt
6 speed transmission
8v sply
Accy wakeup srl data
Aux hvac-ign fuse 50 10a
Axle actr ctrl
Axle sw sig
Batt +
Body control module (lower left side of dash)
Computer data lines system
Ctrl
Engine control module (left front of eng compt, near fan shroud)
Exterior lights system
Front axle actuator (on front axle assembly)
G102 (on lower left front of eng)
G103 (on front of right cylinder head)
G107
G201 (upper left corner of dash)
Gmlan bus +
Gmlan bus -
Gmlan bus-
Gnd
Hot at all times
Hot in acc and run
Hot in run or start
Hot w/ run/crnk relay energized
Ign
Ign volt
Incrmt encoder sig
Instrument panel cluster
Interior lights system
J104
J105
Left i/p junction block (lower left side of dash)
Lo ref
Logic
Misc ign fuse 44 10a
Mtr ctrl a
Mtr ctrl b
Neut
Neutral ind
Outside moisture sensor (near inside rear view mirror)
Pnk
Right i/p junction block (in right end of dash)
Shift motor
Sw sig
Tan
Trans ig1 fuse 30 15a
Transfer case encoder motor (on transfer case)
Transfer case shift control module (lower left side of dash)
Transfer case shift control switch
Transmission control module (left front of eng compt, near fan shroud)
Trec fuse 69 30a
Underhood fuse block (left side of engine compt)
W/ outside moisture sensor
W/o outside moisture sensor
X1 a3 pnk
X1 a4
X5 g4 pnk

5.3L VIN 0

5.3L VIN 0, A/T Wiring Diagram (1 of 2) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN 0, A/T Wiring Diagram (1 of 2) for GMC Sierra HD 2007 2500:

(4.3l)
(except 4.3l)
1-2 shift sol
2-3 shift sol
3-2 shift sol
Acc wake up data
Battery
Brk sw sign
Computer data lines system
Exterior lights system
G103 (4.3l: on front of right cylinder head, except 4.3l: location not available)
G103 (on front of right cylinder head)
G106 (location not available)
Gnd
Hi spd gmlan data (+)
Hi spd gmlan data (-)
Hot at all times
Hot w/ run/crank relay energized
Ign 1 volt
Iss sign
J106
J230
Left i/p junction block (lower left x1 side of dash)
Low ref
Misc ign fuse 44 10a
P/n
Park/neutral position (pnp) switch (on left rear side of transmission)
Pc sol hi
Pc sol low
Pnk
Replicated tos sig
Stop lamp switch (top of brake pedal assembly)
Stop/chmsl fuse 8 10a
Tan
Tcc pwm
Tcc sol valve ctrl
Tcm-batt fuse 14 10a
Tfp sw a sig
Tfp sw b sig
Tfp sw c sig
Tft sens sig
Tr sw a sig
Tr sw b sig
Tr sw c sig
Tr sw p sig
Trans ig1 fuse 20 10a
Transmission control module (tcm) (left front of engine comp, near fan shroud)
Underhood fuse block (left side of engine compt)
Vehicle speed sensor (vss) (on transmission tailshaft)
Vss hi sig
Vss low
W/ 4wd
W/o 4wd

5.3L VIN 0, A/T Wiring Diagram (2 of 2) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN 0, A/T Wiring Diagram (2 of 2) for GMC Sierra HD 2007 2500:

1-2 shift solenoid valve
2-3 shift solenoid (2-3 ss) valve
3-2 shift solenoid (3-2 ss) valve
4.3l
Automatic transmission (left front of eng compt, near fan shroud)
Automatic transmission fluid temperature (tft) sensor
Automatic transmission pressure manual valve position switch
Automatic transmission shift lever
Body control module (bcm) (lower left side of dash)
Computer data lines system
Engine control module (ecm) (left front of engine compt, near fan shroud)
Except 4.3l
G201 (upper left corner of dash)
Hi spd gmlan +
Hi spd gmlan -
Ind haul
Input speed sensor (iss)
Instrument panel cluster
J116
J126
J230
Lo gm gmlan
Logic
Mil
Mil ind ctrl
Mil sig
Nca
Pnk
Pressure control (pc) solenoid valve
Prnd321
Red
Replicated tos sign
Rev
Tan
Torque converter clutch (tcc) solenoid valve
Torque converter clutch pulse width modulation (tcc pwm) solenoid valve
Tow haul switch
Tow/
Tow/haul sw sig

5.3L VIN 0, Transfer Case Wiring Diagram, 2-Speed Automatic for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN 0, Transfer Case Wiring Diagram, 2-Speed Automatic for GMC Sierra HD 2007 2500:

4 hi ind ctrl
(4.3l)
(4.8l,5.3l,6.0l)
(allison)
(diesel)
(in i/p harn, 9 cm from main harness assembly breakout) j207
2 hi ind ctrl
2-hi ind
2a4
2wd
4 hi
4 lo
4 lo ind ctrl
4 speed transmission
4-hi ind
4-lo ind
4wd indicator lamp
5 volt
6 speed transmission
8v sply
Accy wakeup srl data
Auto
Auto 4wd
Aux hvac-ign fuse 50 10a
Awd ind ctrl
Axle actr ctrl
Axle sw sig
Batt +
Body control module (lower left side of dash)
Brake control
Computer data lines system
Ctrl
Dirtn sig
Engine control module (left front of eng compt, near fan shroud)
Exterior lights system
Front axle actuator (on front axle assembly)
G102 (on lower left front of eng)
G103 (on front of right cylinder head)
G107 (top left rear of eng)
G201 (upper left corner of dash)
Gmlan bus +
Gmlan bus -
Gmlan bus-
Gnd
Hot at all times
Hot in acc and run
Hot in run or start
Hot w/ run/crnk relay energized
Ign
Ign volt
Incrmt encoder directn sig
Incrmt encoder impulse sig
Instrument panel cluster
Interior lights system
J104
J105
Left i/p junction block (lower left side of dash)
Lo ref
Lock sol ctrl
Logic
Misc ign fuse 44 10a
Mtr ctrl a
Mtr ctrl b
Neut
Neutral ind
Outside moisture sensor (near inside rear view mirror)
Pnk
Pulse sig
Right i/p junction block (in right end of dash)
Rotary position sens sig
Rotational position sensor (on transfer case)
Shift motor
Sw sig
Tan
Trans ig1 fuse 30 15a
Transfer case encoder motor (on transfer case)
Transfer case shift control module (lower left side of dash)
Transfer case shift control switch
Transmission control module (left front of eng compt, near fan shroud)
Trec fuse 69 30a
Underhood fuse block (left side of engine compt)
W/ outside moisture sensor
W/o outside moisture sensor
X1 a3 pnk
X1 a4
X5 g4 pnk

5.3L VIN 0, Transfer Case Wiring Diagram, 2-Speed Manual for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN 0, Transfer Case Wiring Diagram, 2-Speed Manual for GMC Sierra HD 2007 2500:

(4.3l)
(4.8l,5.3l,6.0l)
(4.8l,5.3l,6.ol)
(diesel)
(on lower left front of eng)
(top left rear of eng)
4wd indicator lamp
4wd low sig
Aux hvac-ign fuse 50 10a
Axle sw sig
Computer data lines system
Engine control module (left front of engine compt, near fan shroud)
Front axle actuator (on front axle assembly)
Fuse block underhood (left side of eng compt)
G102 g103 (on front of right cylinder head)
G107
G201 (upper left corner of dash)
Gmlan bus +
Gmlan bus -
Hot in run or start
Instrument panel cluster
J105
Logic
Pnk
Tan
Trans ign 1 fuse 20 10a
Transfer case shift control switch (on top left of transfer case)
X2 n4 pnk
X5 g4 pnk

5.3L VIN 0, Transfer Case Wiring Diagram, Selectable for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN 0, Transfer Case Wiring Diagram, Selectable for GMC Sierra HD 2007 2500:

4 hi ind ctrl
(4.3l)
(4.8l,5.3l,6.0l)
(4.8l,5.3l,6.ol)
(allison)
(diesel)
(in i/p harn, 9 cm from main harness assembly breakout) j207
(top left rear of eng)
2 hi ind ctrl
2-hi ind
2a4
2wd
4 hi
4 lo
4 lo ind ctrl
4 speed transmission
4-hi ind
4-lo ind
4wd indicator lamp
5 volt
6 speed transmission
8v sply
Accy wakeup srl data
Aux hvac-ign fuse 50 10a
Axle actr ctrl
Axle sw sig
Batt +
Body control module (lower left side of dash)
Computer data lines system
Ctrl
Engine control module (left front of eng compt, near fan shroud)
Exterior lights system
Front axle actuator (on front axle assembly)
G102 (on lower left front of eng)
G103 (on front of right cylinder head)
G107
G201 (upper left corner of dash)
Gmlan bus +
Gmlan bus -
Gmlan bus-
Gnd
Hot at all times
Hot in acc and run
Hot in run or start
Hot w/ run/crnk relay energized
Ign
Ign volt
Incrmt encoder sig
Instrument panel cluster
Interior lights system
J104
J105
Left i/p junction block (lower left side of dash)
Lo ref
Logic
Misc ign fuse 44 10a
Mtr ctrl a
Mtr ctrl b
Neut
Neutral ind
Outside moisture sensor (near inside rear view mirror)
Pnk
Right i/p junction block (in right end of dash)
Shift motor
Sw sig
Tan
Trans ig1 fuse 30 15a
Transfer case encoder motor (on transfer case)
Transfer case shift control module (lower left side of dash)
Transfer case shift control switch
Transmission control module (left front of eng compt, near fan shroud)
Trec fuse 69 30a
Underhood fuse block (left side of engine compt)
W/ outside moisture sensor
W/o outside moisture sensor
X1 a3 pnk
X1 a4
X5 g4 pnk

5.3L VIN J

5.3L VIN J, A/T Wiring Diagram (1 of 2) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN J, A/T Wiring Diagram (1 of 2) for GMC Sierra HD 2007 2500:

(4.3l)
(except 4.3l)
1-2 shift sol
2-3 shift sol
3-2 shift sol
Acc wake up data
Battery
Brk sw sign
Computer data lines system
Exterior lights system
G103 (4.3l: on front of right cylinder head, except 4.3l: location not available)
G103 (on front of right cylinder head)
G106 (location not available)
Gnd
Hi spd gmlan data (+)
Hi spd gmlan data (-)
Hot at all times
Hot w/ run/crank relay energized
Ign 1 volt
Iss sign
J106
J230
Left i/p junction block (lower left x1 side of dash)
Low ref
Misc ign fuse 44 10a
P/n
Park/neutral position (pnp) switch (on left rear side of transmission)
Pc sol hi
Pc sol low
Pnk
Replicated tos sig
Stop lamp switch (top of brake pedal assembly)
Stop/chmsl fuse 8 10a
Tan
Tcc pwm
Tcc sol valve ctrl
Tcm-batt fuse 14 10a
Tfp sw a sig
Tfp sw b sig
Tfp sw c sig
Tft sens sig
Tr sw a sig
Tr sw b sig
Tr sw c sig
Tr sw p sig
Trans ig1 fuse 20 10a
Transmission control module (tcm) (left front of engine comp, near fan shroud)
Underhood fuse block (left side of engine compt)
Vehicle speed sensor (vss) (on transmission tailshaft)
Vss hi sig
Vss low
W/ 4wd
W/o 4wd

5.3L VIN J, A/T Wiring Diagram (2 of 2) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN J, A/T Wiring Diagram (2 of 2) for GMC Sierra HD 2007 2500:

1-2 shift solenoid valve
2-3 shift solenoid (2-3 ss) valve
3-2 shift solenoid (3-2 ss) valve
4.3l
Automatic transmission (left front of eng compt, near fan shroud)
Automatic transmission fluid temperature (tft) sensor
Automatic transmission pressure manual valve position switch
Automatic transmission shift lever
Body control module (bcm) (lower left side of dash)
Computer data lines system
Engine control module (ecm) (left front of engine compt, near fan shroud)
Except 4.3l
G201 (upper left corner of dash)
Hi spd gmlan +
Hi spd gmlan -
Ind haul
Input speed sensor (iss)
Instrument panel cluster
J116
J126
J230
Lo gm gmlan
Logic
Mil
Mil ind ctrl
Mil sig
Nca
Pnk
Pressure control (pc) solenoid valve
Prnd321
Red
Replicated tos sign
Rev
Tan
Torque converter clutch (tcc) solenoid valve
Torque converter clutch pulse width modulation (tcc pwm) solenoid valve
Tow haul switch
Tow/
Tow/haul sw sig

5.3L VIN J, Transfer Case Wiring Diagram, 2-Speed Automatic for GMC Sierra HD 2007 2500

Get access to all wiring diagrams of the car

List of elements for 5.3L VIN J, Transfer Case Wiring Diagram, 2-Speed Automatic for GMC Sierra HD 2007 2500:

4 hi ind ctrl
(4.3l)
(4.8l,5.3l,6.0l)
(allison)
(diesel)
(in i/p harn, 9 cm from main harness assembly breakout) j207
2 hi ind ctrl
2-hi ind
2a4
2wd
4 hi
4 lo
4 lo ind ctrl
4 speed transmission
4-hi ind
4-lo ind
4wd indicator lamp
5 volt
6 speed transmission
8v sply
Accy wakeup srl data
Auto
Auto 4wd
Aux hvac-ign fuse 50 10a
Awd ind ctrl
Axle actr ctrl
Axle sw sig
Batt +
Body control module (lower left side of dash)
Brake control
Computer data lines system
Ctrl
Dirtn sig
Engine control module (left front of eng compt, near fan shroud)
Exterior lights system
Front axle actuator (on front axle assembly)
G102 (on lower left front of eng)
G103 (on front of right cylinder head)
G107 (top left rear of eng)
G201 (upper left corner of dash)
Gmlan bus +
Gmlan bus -
Gmlan bus-
Gnd
Hot at all times
Hot in acc and run
Hot in run or start
Hot w/ run/crnk relay energized
Ign
Ign volt
Incrmt encoder directn sig
Incrmt encoder impulse sig
Instrument panel cluster
Interior lights system
J104
J105
Left i/p junction block (lower left side of dash)
Lo ref
Lock sol ctrl
Logic
Misc ign fuse 44 10a
Mtr ctrl a
Mtr ctrl b
Neut
Neutral ind
Outside moisture sensor (near inside rear view mirror)
Pnk
Pulse sig
Right i/p junction block (in right end of dash)
Rotary position sens sig
Rotational position sensor (on transfer case)
Shift motor
Sw sig
Tan
Trans ig1 fuse 30 15a
Transfer case encoder motor (on transfer case)
Transfer case shift control module (lower left side of dash)
Transfer case shift control switch
Transmission control module (left front of eng compt, near fan shroud)
Trec fuse 69 30a
Underhood fuse block (left side of engine compt)
W/ outside moisture sensor
W/o outside moisture sensor
X1 a3 pnk
X1 a4
X5 g4 pnk

5.3L VIN J, Transfer Case Wiring Diagram, 2-Speed Manual for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN J, Transfer Case Wiring Diagram, 2-Speed Manual for GMC Sierra HD 2007 2500:

(4.3l)
(4.8l,5.3l,6.0l)
(4.8l,5.3l,6.ol)
(diesel)
(on lower left front of eng)
(top left rear of eng)
4wd indicator lamp
4wd low sig
Aux hvac-ign fuse 50 10a
Axle sw sig
Computer data lines system
Engine control module (left front of engine compt, near fan shroud)
Front axle actuator (on front axle assembly)
Fuse block underhood (left side of eng compt)
G102 g103 (on front of right cylinder head)
G107
G201 (upper left corner of dash)
Gmlan bus +
Gmlan bus -
Hot in run or start
Instrument panel cluster
J105
Logic
Pnk
Tan
Trans ign 1 fuse 20 10a
Transfer case shift control switch (on top left of transfer case)
X2 n4 pnk
X5 g4 pnk

5.3L VIN J, Transfer Case Wiring Diagram, Selectable for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN J, Transfer Case Wiring Diagram, Selectable for GMC Sierra HD 2007 2500:

4 hi ind ctrl
(4.3l)
(4.8l,5.3l,6.0l)
(4.8l,5.3l,6.ol)
(allison)
(diesel)
(in i/p harn, 9 cm from main harness assembly breakout) j207
(top left rear of eng)
2 hi ind ctrl
2-hi ind
2a4
2wd
4 hi
4 lo
4 lo ind ctrl
4 speed transmission
4-hi ind
4-lo ind
4wd indicator lamp
5 volt
6 speed transmission
8v sply
Accy wakeup srl data
Aux hvac-ign fuse 50 10a
Axle actr ctrl
Axle sw sig
Batt +
Body control module (lower left side of dash)
Computer data lines system
Ctrl
Engine control module (left front of eng compt, near fan shroud)
Exterior lights system
Front axle actuator (on front axle assembly)
G102 (on lower left front of eng)
G103 (on front of right cylinder head)
G107
G201 (upper left corner of dash)
Gmlan bus +
Gmlan bus -
Gmlan bus-
Gnd
Hot at all times
Hot in acc and run
Hot in run or start
Hot w/ run/crnk relay energized
Ign
Ign volt
Incrmt encoder sig
Instrument panel cluster
Interior lights system
J104
J105
Left i/p junction block (lower left side of dash)
Lo ref
Logic
Misc ign fuse 44 10a
Mtr ctrl a
Mtr ctrl b
Neut
Neutral ind
Outside moisture sensor (near inside rear view mirror)
Pnk
Right i/p junction block (in right end of dash)
Shift motor
Sw sig
Tan
Trans ig1 fuse 30 15a
Transfer case encoder motor (on transfer case)
Transfer case shift control module (lower left side of dash)
Transfer case shift control switch
Transmission control module (left front of eng compt, near fan shroud)
Trec fuse 69 30a
Underhood fuse block (left side of engine compt)
W/ outside moisture sensor
W/o outside moisture sensor
X1 a3 pnk
X1 a4
X5 g4 pnk

5.3L VIN M

5.3L VIN M, A/T Wiring Diagram (1 of 2) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN M, A/T Wiring Diagram (1 of 2) for GMC Sierra HD 2007 2500:

(4.3l)
(except 4.3l)
1-2 shift sol
2-3 shift sol
3-2 shift sol
Acc wake up data
Battery
Brk sw sign
Computer data lines system
Exterior lights system
G103 (4.3l: on front of right cylinder head, except 4.3l: location not available)
G103 (on front of right cylinder head)
G106 (location not available)
Gnd
Hi spd gmlan data (+)
Hi spd gmlan data (-)
Hot at all times
Hot w/ run/crank relay energized
Ign 1 volt
Iss sign
J106
J230
Left i/p junction block (lower left x1 side of dash)
Low ref
Misc ign fuse 44 10a
P/n
Park/neutral position (pnp) switch (on left rear side of transmission)
Pc sol hi
Pc sol low
Pnk
Replicated tos sig
Stop lamp switch (top of brake pedal assembly)
Stop/chmsl fuse 8 10a
Tan
Tcc pwm
Tcc sol valve ctrl
Tcm-batt fuse 14 10a
Tfp sw a sig
Tfp sw b sig
Tfp sw c sig
Tft sens sig
Tr sw a sig
Tr sw b sig
Tr sw c sig
Tr sw p sig
Trans ig1 fuse 20 10a
Transmission control module (tcm) (left front of engine comp, near fan shroud)
Underhood fuse block (left side of engine compt)
Vehicle speed sensor (vss) (on transmission tailshaft)
Vss hi sig
Vss low
W/ 4wd
W/o 4wd

5.3L VIN M, A/T Wiring Diagram (2 of 2) for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN M, A/T Wiring Diagram (2 of 2) for GMC Sierra HD 2007 2500:

1-2 shift solenoid valve
2-3 shift solenoid (2-3 ss) valve
3-2 shift solenoid (3-2 ss) valve
4.3l
Automatic transmission (left front of eng compt, near fan shroud)
Automatic transmission fluid temperature (tft) sensor
Automatic transmission pressure manual valve position switch
Automatic transmission shift lever
Body control module (bcm) (lower left side of dash)
Computer data lines system
Engine control module (ecm) (left front of engine compt, near fan shroud)
Except 4.3l
G201 (upper left corner of dash)
Hi spd gmlan +
Hi spd gmlan -
Ind haul
Input speed sensor (iss)
Instrument panel cluster
J116
J126
J230
Lo gm gmlan
Logic
Mil
Mil ind ctrl
Mil sig
Nca
Pnk
Pressure control (pc) solenoid valve
Prnd321
Red
Replicated tos sign
Rev
Tan
Torque converter clutch (tcc) solenoid valve
Torque converter clutch pulse width modulation (tcc pwm) solenoid valve
Tow haul switch
Tow/
Tow/haul sw sig

5.3L VIN M, Transfer Case Wiring Diagram, 2-Speed Automatic for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN M, Transfer Case Wiring Diagram, 2-Speed Automatic for GMC Sierra HD 2007 2500:

4 hi ind ctrl
(4.3l)
(4.8l,5.3l,6.0l)
(allison)
(diesel)
(in i/p harn, 9 cm from main harness assembly breakout) j207
2 hi ind ctrl
2-hi ind
2a4
2wd
4 hi
4 lo
4 lo ind ctrl
4 speed transmission
4-hi ind
4-lo ind
4wd indicator lamp
5 volt
6 speed transmission
8v sply
Accy wakeup srl data
Auto
Auto 4wd
Aux hvac-ign fuse 50 10a
Awd ind ctrl
Axle actr ctrl
Axle sw sig
Batt +
Body control module (lower left side of dash)
Brake control
Computer data lines system
Ctrl
Dirtn sig
Engine control module (left front of eng compt, near fan shroud)
Exterior lights system
Front axle actuator (on front axle assembly)
G102 (on lower left front of eng)
G103 (on front of right cylinder head)
G107 (top left rear of eng)
G201 (upper left corner of dash)
Gmlan bus +
Gmlan bus -
Gmlan bus-
Gnd
Hot at all times
Hot in acc and run
Hot in run or start
Hot w/ run/crnk relay energized
Ign
Ign volt
Incrmt encoder directn sig
Incrmt encoder impulse sig
Instrument panel cluster
Interior lights system
J104
J105
Left i/p junction block (lower left side of dash)
Lo ref
Lock sol ctrl
Logic
Misc ign fuse 44 10a
Mtr ctrl a
Mtr ctrl b
Neut
Neutral ind
Outside moisture sensor (near inside rear view mirror)
Pnk
Pulse sig
Right i/p junction block (in right end of dash)
Rotary position sens sig
Rotational position sensor (on transfer case)
Shift motor
Sw sig
Tan
Trans ig1 fuse 30 15a
Transfer case encoder motor (on transfer case)
Transfer case shift control module (lower left side of dash)
Transfer case shift control switch
Transmission control module (left front of eng compt, near fan shroud)
Trec fuse 69 30a
Underhood fuse block (left side of engine compt)
W/ outside moisture sensor
W/o outside moisture sensor
X1 a3 pnk
X1 a4
X5 g4 pnk

5.3L VIN M, Transfer Case Wiring Diagram, 2-Speed Manual for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN M, Transfer Case Wiring Diagram, 2-Speed Manual for GMC Sierra HD 2007 2500:

(4.3l)
(4.8l,5.3l,6.0l)
(4.8l,5.3l,6.ol)
(diesel)
(on lower left front of eng)
(top left rear of eng)
4wd indicator lamp
4wd low sig
Aux hvac-ign fuse 50 10a
Axle sw sig
Computer data lines system
Engine control module (left front of engine compt, near fan shroud)
Front axle actuator (on front axle assembly)
Fuse block underhood (left side of eng compt)
G102 g103 (on front of right cylinder head)
G107
G201 (upper left corner of dash)
Gmlan bus +
Gmlan bus -
Hot in run or start
Instrument panel cluster
J105
Logic
Pnk
Tan
Trans ign 1 fuse 20 10a
Transfer case shift control switch (on top left of transfer case)
X2 n4 pnk
X5 g4 pnk

5.3L VIN M, Transfer Case Wiring Diagram, Selectable for GMC Sierra HD 2007 2500

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List of elements for 5.3L VIN M, Transfer Case Wiring Diagram, Selectable for GMC Sierra HD 2007 2500:

4 hi ind ctrl
(4.3l)
(4.8l,5.3l,6.0l)
(4.8l,5.3l,6.ol)
(allison)
(diesel)
(in i/p harn, 9 cm from main harness assembly breakout) j207
(top left rear of eng)
2 hi ind ctrl
2-hi ind
2a4
2wd
4 hi
4 lo
4 lo ind ctrl
4 speed transmission
4-hi ind
4-lo ind
4wd indicator lamp
5 volt
6 speed transmission
8v sply
Accy wakeup srl data
Aux hvac-ign fuse 50 10a
Axle actr ctrl
Axle sw sig
Batt +
Body control module (lower left side of dash)
Computer data lines system
Ctrl
Engine control module (left front of eng compt, near fan shroud)
Exterior lights system
Front axle actuator (on front axle assembly)
G102 (on lower left front of eng)
G103 (on front of right cylinder head)
G107
G201 (upper left corner of dash)
Gmlan bus +
Gmlan bus -
Gmlan bus-
Gnd
Hot at all times
Hot in acc and run
Hot in run or start
Hot w/ run/crnk relay energized
Ign
Ign volt
Incrmt encoder sig
Instrument panel cluster
Interior lights system
J104
J105
Left i/p junction block (lower left side of dash)
Lo ref
Logic
Misc ign fuse 44 10a
Mtr ctrl a
Mtr ctrl b
Neut
Neutral ind
Outside moisture sensor (near inside rear view mirror)
Pnk
Right i/p junction block (in right end of dash)
Shift motor
Sw sig
Tan
Trans ig1 fuse 30 15a
Transfer case encoder motor (on transfer case)
Transfer case shift control module (lower left side of dash)
Transfer case shift control switch
Transmission control module (left front of eng compt, near fan shroud)
Trec fuse 69 30a
Underhood fuse block (left side of engine compt)
W/ outside moisture sensor
W/o outside moisture sensor
X1 a3 pnk
X1 a4
X5 g4 pnk

6.0L VIN Y

6.0L VIN Y, A/T Wiring Diagram (1 of 2) for GMC Sierra HD 2007 2500

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List of elements for 6.0L VIN Y, A/T Wiring Diagram (1 of 2) for GMC Sierra HD 2007 2500:

(4.3l)
(except 4.3l)
1-2 shift sol
2-3 shift sol
3-2 shift sol
Acc wake up data
Battery
Brk sw sign
Computer data lines system
Exterior lights system
G103 (4.3l: on front of right cylinder head, except 4.3l: location not available)
G103 (on front of right cylinder head)
G106 (location not available)
Gnd
Hi spd gmlan data (+)
Hi spd gmlan data (-)
Hot at all times
Hot w/ run/crank relay energized
Ign 1 volt
Iss sign
J106
J230
Left i/p junction block (lower left x1 side of dash)
Low ref
Misc ign fuse 44 10a
P/n
Park/neutral position (pnp) switch (on left rear side of transmission)
Pc sol hi
Pc sol low
Pnk
Replicated tos sig
Stop lamp switch (top of brake pedal assembly)
Stop/chmsl fuse 8 10a
Tan
Tcc pwm
Tcc sol valve ctrl
Tcm-batt fuse 14 10a
Tfp sw a sig
Tfp sw b sig
Tfp sw c sig
Tft sens sig
Tr sw a sig
Tr sw b sig
Tr sw c sig
Tr sw p sig
Trans ig1 fuse 20 10a
Transmission control module (tcm) (left front of engine comp, near fan shroud)
Underhood fuse block (left side of engine compt)
Vehicle speed sensor (vss) (on transmission tailshaft)
Vss hi sig
Vss low
W/ 4wd
W/o 4wd

6.0L VIN Y, A/T Wiring Diagram (2 of 2) for GMC Sierra HD 2007 2500

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List of elements for 6.0L VIN Y, A/T Wiring Diagram (2 of 2) for GMC Sierra HD 2007 2500:

1-2 shift solenoid valve
2-3 shift solenoid (2-3 ss) valve
3-2 shift solenoid (3-2 ss) valve
4.3l
Automatic transmission (left front of eng compt, near fan shroud)
Automatic transmission fluid temperature (tft) sensor
Automatic transmission pressure manual valve position switch
Automatic transmission shift lever
Body control module (bcm) (lower left side of dash)
Computer data lines system
Engine control module (ecm) (left front of engine compt, near fan shroud)
Except 4.3l
G201 (upper left corner of dash)
Hi spd gmlan +
Hi spd gmlan -
Ind haul
Input speed sensor (iss)
Instrument panel cluster
J116
J126
J230
Lo gm gmlan
Logic
Mil
Mil ind ctrl
Mil sig
Nca
Pnk
Pressure control (pc) solenoid valve
Prnd321
Red
Replicated tos sign
Rev
Tan
Torque converter clutch (tcc) solenoid valve
Torque converter clutch pulse width modulation (tcc pwm) solenoid valve
Tow haul switch
Tow/
Tow/haul sw sig

6.0L VIN Y, Transfer Case Wiring Diagram, 2-Speed Automatic for GMC Sierra HD 2007 2500

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List of elements for 6.0L VIN Y, Transfer Case Wiring Diagram, 2-Speed Automatic for GMC Sierra HD 2007 2500:

4 hi ind ctrl
(4.3l)
(4.8l,5.3l,6.0l)
(allison)
(diesel)
(in i/p harn, 9 cm from main harness assembly breakout) j207
2 hi ind ctrl
2-hi ind
2a4
2wd
4 hi
4 lo
4 lo ind ctrl
4 speed transmission
4-hi ind
4-lo ind
4wd indicator lamp
5 volt
6 speed transmission
8v sply
Accy wakeup srl data
Auto
Auto 4wd
Aux hvac-ign fuse 50 10a
Awd ind ctrl
Axle actr ctrl
Axle sw sig
Batt +
Body control module (lower left side of dash)
Brake control
Computer data lines system
Ctrl
Dirtn sig
Engine control module (left front of eng compt, near fan shroud)
Exterior lights system
Front axle actuator (on front axle assembly)
G102 (on lower left front of eng)
G103 (on front of right cylinder head)
G107 (top left rear of eng)
G201 (upper left corner of dash)
Gmlan bus +
Gmlan bus -
Gmlan bus-
Gnd
Hot at all times
Hot in acc and run
Hot in run or start
Hot w/ run/crnk relay energized
Ign
Ign volt
Incrmt encoder directn sig
Incrmt encoder impulse sig
Instrument panel cluster
Interior lights system
J104
J105
Left i/p junction block (lower left side of dash)
Lo ref
Lock sol ctrl
Logic
Misc ign fuse 44 10a
Mtr ctrl a
Mtr ctrl b
Neut
Neutral ind
Outside moisture sensor (near inside rear view mirror)
Pnk
Pulse sig
Right i/p junction block (in right end of dash)
Rotary position sens sig
Rotational position sensor (on transfer case)
Shift motor
Sw sig
Tan
Trans ig1 fuse 30 15a
Transfer case encoder motor (on transfer case)
Transfer case shift control module (lower left side of dash)
Transfer case shift control switch
Transmission control module (left front of eng compt, near fan shroud)
Trec fuse 69 30a
Underhood fuse block (left side of engine compt)
W/ outside moisture sensor
W/o outside moisture sensor
X1 a3 pnk
X1 a4
X5 g4 pnk

6.0L VIN Y, Transfer Case Wiring Diagram, 2-Speed Manual for GMC Sierra HD 2007 2500

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List of elements for 6.0L VIN Y, Transfer Case Wiring Diagram, 2-Speed Manual for GMC Sierra HD 2007 2500:

(4.3l)
(4.8l,5.3l,6.0l)
(4.8l,5.3l,6.ol)
(diesel)
(on lower left front of eng)
(top left rear of eng)
4wd indicator lamp
4wd low sig
Aux hvac-ign fuse 50 10a
Axle sw sig
Computer data lines system
Engine control module (left front of engine compt, near fan shroud)
Front axle actuator (on front axle assembly)
Fuse block underhood (left side of eng compt)
G102 g103 (on front of right cylinder head)
G107
G201 (upper left corner of dash)
Gmlan bus +
Gmlan bus -
Hot in run or start
Instrument panel cluster
J105
Logic
Pnk
Tan
Trans ign 1 fuse 20 10a
Transfer case shift control switch (on top left of transfer case)
X2 n4 pnk
X5 g4 pnk

6.0L VIN Y, Transfer Case Wiring Diagram, Selectable for GMC Sierra HD 2007 2500

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List of elements for 6.0L VIN Y, Transfer Case Wiring Diagram, Selectable for GMC Sierra HD 2007 2500:

4 hi ind ctrl
(4.3l)
(4.8l,5.3l,6.0l)
(4.8l,5.3l,6.ol)
(allison)
(diesel)
(in i/p harn, 9 cm from main harness assembly breakout) j207
(top left rear of eng)
2 hi ind ctrl
2-hi ind
2a4
2wd
4 hi
4 lo
4 lo ind ctrl
4 speed transmission
4-hi ind
4-lo ind
4wd indicator lamp
5 volt
6 speed transmission
8v sply
Accy wakeup srl data
Aux hvac-ign fuse 50 10a
Axle actr ctrl
Axle sw sig
Batt +
Body control module (lower left side of dash)
Computer data lines system
Ctrl
Engine control module (left front of eng compt, near fan shroud)
Exterior lights system
Front axle actuator (on front axle assembly)
G102 (on lower left front of eng)
G103 (on front of right cylinder head)
G107
G201 (upper left corner of dash)
Gmlan bus +
Gmlan bus -
Gmlan bus-
Gnd
Hot at all times
Hot in acc and run
Hot in run or start
Hot w/ run/crnk relay energized
Ign
Ign volt
Incrmt encoder sig
Instrument panel cluster
Interior lights system
J104
J105
Left i/p junction block (lower left side of dash)
Lo ref
Logic
Misc ign fuse 44 10a
Mtr ctrl a
Mtr ctrl b
Neut
Neutral ind
Outside moisture sensor (near inside rear view mirror)
Pnk
Right i/p junction block (in right end of dash)
Shift motor
Sw sig
Tan
Trans ig1 fuse 30 15a
Transfer case encoder motor (on transfer case)
Transfer case shift control module (lower left side of dash)
Transfer case shift control switch
Transmission control module (left front of eng compt, near fan shroud)
Trec fuse 69 30a
Underhood fuse block (left side of engine compt)
W/ outside moisture sensor
W/o outside moisture sensor
X1 a3 pnk
X1 a4
X5 g4 pnk

WARNING SYSTEMS

Chime Wiring Diagram, with AN3/DL3 Option (1 of 2) for GMC Sierra HD 2007 2500

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List of elements for Chime Wiring Diagram, with AN3/DL3 Option (1 of 2) for GMC Sierra HD 2007 2500:

(upper left corner of dash) g201
Auto
Battery (+)
Bcm fuse 10a
Body control module (bcm) (on lower left side of dash)
Computer data lines system
Crew cab only
Ctsy fuse 15a
Dim fuse 15a
Door latch assembly (driver)
Door latch assembly (left rear)
Door latch assembly (passenger)
Door latch assembly (right rear)
Driver door switch (dds)
Fuse block (i/p) (left side of dash)
G103 (on front of right cylinder head)
G201 (upper left corner of dash)
G303 (on lower left "b" pillar)
G304 (on lower right "b" pillar)
Gmlan hi-spd bus (+)
Gmlan hi-spd bus (-)
Gmlan lo-spd bus
Ground
Head
Headlamp & panel dimmer switch
Headlp sw headlp off sig
Headlp sw headlp on sig
Headlp sw park lamps sig
Hot at all times
Ig iii
Is lps fuse 20a
J201 (in i/p harness, in headlamp & dimmer switch breakout)
Junction block (left i/p) (lower left side of dash)
Junction block (right i/p) (in right end of dash)
Left rear door ajar sw
Lf ajar sig
Lf open sig
Lo-spd data
Low ref
Lt stop trn fuse 15a
Off
Park
Park brake sw signal
Passenger door switch (pds)
Pnk
Rf ajar sig
Right rear door ajar sw
Rt stop trn fuse 15a
Stop lamps fuse 15a
Tan

Chime Wiring Diagram, with AN3/DL3 Option (2 of 2) for GMC Sierra HD 2007 2500

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List of elements for Chime Wiring Diagram, with AN3/DL3 Option (2 of 2) for GMC Sierra HD 2007 2500:

(4 spd a/t only)
(4 spd a/t)
(6 spd a/t-gas)
(diesel)
(gas) (diesel)
Chime module (except w/radio) (center of dash)
Computer data lines system
Dlis fuse 36 fuse 34 15a
Driver seat belt sw sig
Driver's info center
Driver's seat belt warning led
Except w/radio
G301 (below left side of passenger's seat)
Gmlan lo-spd serial data
Hi-spd data (+)
Hi-spd data (-)
Hot at all times
Ignition switch
Inflatable restraint sensing & diagnostic module (under driver's seat)
Instrument panel cluster
Ipc fuse 48 fuse 46 10a
J204
J212
J305
Junction block (left i/p) (lower left side of dash)
Key in ignition switch
Lo-spd data
Logic
Low ref
Nca
Park brake switch (on park brake pedal assembly)
Park/neutral position switch (on left rear side of transmission)
Pnk
Radio (w/radio) (center of dash)
Range sw a
Range sw b
Range sw c
Range sw p
Rdo fuse 43 fuse 41 15a
Seat belt buckle (driver)
Seat belt switch
Sound system
Splice pack jx221
Splice pack jx339
Tan
Transmission control module (left front of engine compt, near fan shroud)
Underhood fuse block (left side of engine compartment)
W/radio
X12

Chime Wiring Diagram, without AN3/DL3 Option (1 of 2) for GMC Sierra HD 2007 2500

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List of elements for Chime Wiring Diagram, without AN3/DL3 Option (1 of 2) for GMC Sierra HD 2007 2500:

(upper left corner of dash) g201
A6 tan
Au3 except w/ an3/dl3
Auto
Battery (+)
Bcm fuse 10a
Body control module (bcm) (on lower left side of dash)
Computer data lines system
Crew cab only
Ctsy fuse 15a
Dim fuse 15a
Door latch assembly (driver)
Door latch assembly (left rear)
Door latch assembly (passenger)
Door latch assembly (right rear)
Door locks system
Except au3
Fuse block (i/p) (left side of dash)
G103 (on front of right cylinder head)
G201 (upper left corner of dash)
G303 (on lower left "b" pillar)
G304 (on lower right "b" pillar)
Gmlan hi-spd bus (+)
Gmlan hi-spd bus (-)
Gmlan lo-spd bus
Ground
Head
Headlamp & panel dimmer switch
Headlp sw headlp off sig
Headlp sw headlp on sig
Headlp sw park lamps sig
Hot at all times
Ig iii
Is lps fuse 20a
J201 (in i/p harness, in headlamp & dimmer switch breakout)
J502
J602
Junction block (left i/p) (lower left side of dash)
Junction block (right i/p) (in right end of dash)
Left front door ajar sw
Left front door open sw
Left rear door ajar sw
Lt stop trn fuse 15a
Off
Park
Park brake sw signal
Pnk
Right front door ajar sw
Right rear door ajar sw
Rt stop trn fuse 15a
Stop lamps fuse 15a
Tan
W/ au3
W/ au3 & a31
X3 b5 tan

Chime Wiring Diagram, without AN3/DL3 Option (2 of 2) for GMC Sierra HD 2007 2500

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List of elements for Chime Wiring Diagram, without AN3/DL3 Option (2 of 2) for GMC Sierra HD 2007 2500:

(4 spd a/t only)
(4 spd a/t)
(6 spd a/t-gas)
(diesel)
(gas) (diesel)
Chime module (except w/radio) (center of dash)
Computer data lines system
Dlis fuse 36 fuse 34 15a
Driver seat belt sw sig
Driver's info center
Driver's seat belt warning led
Except w/radio
G301 (below left side of passenger's seat)
Gmlan lo-spd serial data
Hi-spd data (+)
Hi-spd data (-)
Hot at all times
Ignition switch
Inflatable restraint sensing & diagnostic module (under driver's seat)
Instrument panel cluster
Ipc fuse 48 fuse 46 10a
J204
J212
J305
Junction block (left i/p) (lower left side of dash)
Key in ignition switch
Lo-spd data
Logic
Low ref
Nca
Park brake switch (on park brake pedal assembly)
Park/neutral position switch (on left rear side of transmission)
Pnk
Radio (w/radio) (center of dash)
Range sw a
Range sw b
Range sw c
Range sw p
Rdo fuse 43 fuse 41 15a
Seat belt buckle (driver)
Seat belt switch
Sound system
Splice pack jx221
Splice pack jx339
Tan
Transmission control module (left front of engine compt, near fan shroud)
Underhood fuse block (left side of engine compartment)
W/radio
X12

Tire Pressure Monitoring Wiring Diagram for GMC Sierra HD 2007 2500

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List of elements for Tire Pressure Monitoring Wiring Diagram for GMC Sierra HD 2007 2500:

(below right side of passenger seat) g302
Antenna
Computer data lines system
Driver information center (dic)
Dsm fuse 10a
Fuse block (i/p) (left side of dash)
Grd
Hot at all times
Ign
Instrument panel cluster (ipc)
J302 (in body harness, 22 cm from g301 breakout)
Keyless entry antenna
Left front tire pressure monitor sensor
Left rear tire pressure monitor sensor
Lo-spd data (tpm)
Lo-spd serial data
Low tire pressure ind
Message request
Nca
Red/
Remote control door lock receiver (rcdlr) (top rear of passenger compartment)
Right front tire pressure monitor sensor
Right rear tire pressure monitor sensor
Solid state
W/abs

WIPER/WASHER

Moisture Sensor Wiring Diagram for GMC Sierra HD 2007 2500

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List of elements for Moisture Sensor Wiring Diagram for GMC Sierra HD 2007 2500:

(w/ ngh/ngf transfer case)
2a2
2a3
2a4
Body control module (bcm) (on lower left side of dash)
Front corner of hvac module)
G103 (on front of right cylinder head)
G200 (on right
Ground
Hot at all times
I/p fuse block (left side of dash)
Ign volt
Ignition volt
Ouside moisture sensor (near inside rear view mirror)
Outside moisture sensor signal
Outside moisture sig 1
Outside moisture sig 2
Right i/p junction block (in right end of dash)
Rt stop trn fuse 15a
Tan
Transfer case shift control switch (on top left of transfer case)
Wiper sw hi sig

Windshield Washer Solvent Heater Wiring Diagram for GMC Sierra HD 2007 2500

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List of elements for Windshield Washer Solvent Heater Wiring Diagram for GMC Sierra HD 2007 2500:

Batt +
Body control module (bcm) (lower left side of dash)
G110 (left side of firewall)
G201 (upper left corner of dash)
Gnd
Hot at all times
I/p multifunction switch assembly
Ign iii
Interior lights system
J201
Left i/p junction block (lower left side of dash)
Nca
Pnk
Underhood fuse block (left side of engine compt)
Washer fld htd crtl sw
Washer fluid heater control switch led
Windshield washer solvent heater (left rear corner of eng compt)
Windshield washer solvent heater switch
Windshield washer sw sig
Wiper/ washer circuit
Wndshld washer sw sig
Wsw/htr fuse 68 60a
X1 e1

Wiper/Washer Wiring Diagram for GMC Sierra HD 2007 2500

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List of elements for Wiper/Washer Wiring Diagram for GMC Sierra HD 2007 2500:

(4.3l)
(4.8l,5.3l,6.0l)
(diesel)
(gas)
(gas) (diesel)
(on front of right cylinder head) g103
(top left rear of eng) g107
Batt +
Body control module (bcm) (on lower left side of dash)
Front washer diode
Frt wash fuse 8 fuse 7 15a
Frt wiper sw hi sig
Frt wpr wpr fuse 37 fuse 35 25a
G100 (on lower right radiator support)
G101 (on lower right radiator support)
G102 (on lower
G201 (upper
Gnd
Hot at all times
I/p fuse block (left side of dash)
Instrument panel cluster
J100
J101
J105
Left corner of dash)
Left front of eng)
Left i/p junction block (lower left x1 side of dash)
Logic
Message display
Mist
Mtr park sw sig
Off
Pnk
Pulse
Rt stop trn fuse 15a
Tan
Turn signal/ multifunction switch
Underhood fuse block
W/ denso
W/o denso
Washer fluid level switch (bottom of washer fluid reservoir)
Washer fluid low add fluid
Washer rly sig
Washer sw sig
Washer switch
Windshield washer fluid pump
Windshield washer solvent heater circuit
Windshield wiper motor (under windshield cowl, between wiper arms)
Wiper control pcb relay
Wiper speed pcb relay
Wiper sw hi sig
Wiper sw lo sig
Wiper switch
Wndshld wiper sw sig 2