All Wiring Diagrams for GMC Sierra HD 2006 2500

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 3) for GMC Sierra HD 2006 2500

List of elements for Automatic A/C Wiring Diagram (1 of 3) for GMC Sierra HD 2006 2500:

(diesel)
(gasoline)
5v ref
A/c comp cl rly ctrl
A/c comp fuse 10a
A/c compressor clutch
A/c compressor clutch relay
A/c low pressure switch (right side of accumulator)
A/c on
A/c recirc
A/c ref pre sens sig
A/c refrigerant pressure sensor (in high side pressure line)
A10
A11
A12
A5 c1
Amb air temp sig
Ambient air temperature sensor (in right front bumper filler assembly
Auto
B c5
B(+)
B10
B11
B12
Blower motor (right side of dash)
Blower motor control processor (behind right side of dash)
Blower speed ctrl
Blwr fuse 40a
C4 e
C5 c1
Class 2 ser data
Class 2 serial data
Fan dn
Fan up
Frt def
G104 (on left rear of engine block)
G200 (near right "a" pillar)
G203 (near left "a" pillar)
Ground
Hot at all times
Hot in run
Hot in run or start
Hvac 1 fuse 10a
Hvac control module (behind center of dash)
Hvac/ ecas fuse 10a
I/p fuse block (lower left side of dash)
I/p junction block (lower right side of dash)
I/p relay block (left side of dash)
Ign 3
Ign e fuse 10a
Inside air temp sig
Inside air temperature sensor assembly (in headliner above driver)
Inst lamp dim ctrl
Interior lights system
Left temp control
Lo lt air temp sig
Lo press sens sig
Lo rt air temp sig
Logic
Low ref
Lower left air temperature sensor (left end of hvac module)
Lower right air temperature sensor (bottom of hvac module)
Lt temp door ctrl
Mode
Mode door ctrl
Off
Powertrain control module or engine control module (left front of engine compt)
Recir
Recir door ctrl
Recirc door po sig
Red
Right i/p fuse block (lower right side of dash)
Right temp control
Rt temp door ctrl
S102 (in engine harness)
S218 (in i/p harn)
S345
Sp205 (in i/p harn)
Speed ctrl
Tan
Temp sen ass ctrl
Underhood fuse block (left side of engine compt, near battery)
Up lt air temp sig
Up rt air temp sig
Upper left air temperature sensor (below dash trim panel)
Upper right air temperature sensor (below dash trim panel)

Automatic A/C Wiring Diagram (2 of 3) for GMC Sierra HD 2006 2500

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List of elements for Automatic A/C Wiring Diagram (2 of 3) for GMC Sierra HD 2006 2500:

Ambient light sens lo ref
Ambient light sens sig
Ambient light sensor
Ambient light/sunload sensor assembly (top center of dash)
B12
Body control module (lower left side of dash, below steering column)
Class 2 serial data
I/p junction block (lower right side of dash)
Left air temperature actuator (bottom of hvac module)
Left solar sensor
Left sunload sensor sig
Logic
Mode actuator (left side of hvac module)
Recirculation actuator (upper right of hvac module)
Right air temperature actuator (top of hvac module)
Right solar sensor
Right sunload sensor sig
Tan

Automatic A/C Wiring Diagram (3 of 3) for GMC Sierra HD 2006 2500

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List of elements for Automatic A/C Wiring Diagram (3 of 3) for GMC Sierra HD 2006 2500:

Aux htr pump fuse 10a
Aux htr pump relay
Auxiliary water pump
Computer data lines system
Cool pump fuse 15a
Cool/ fan relay 1
Cool/ fan relay 2
Cool/ fan relay 3
Cool/fan fuse 10a
Cool/fan fuse 40a
G100 (lower left radiator support)
G104 (on left rear of engine block)
G115 (on right front body mount at core support)
Hot at all times
Hybrid control module (hcm)
Ign b fuse 40a
Left cooling fan
Pnk
Power distribution system
Powertrain control module (pcm)
Pwr maint fuse 10a
Pwr maint relay
Red
Right cooling fan
S108
S113
S114
S115
Secondary underhood fuse block (left side of engine compt) (hybrid)
Sgcm cool pmp/fan relay
Starter/ generator control module (sgcm)
Starter/generator control module coolant pump
Stud #1 fuse 40a
Tan
Underhood cooling fan fuse block (left side of engine compt) (1500s)
Underhood fuse block (left side of engine compt)

Compressor Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for Compressor Wiring Diagram for GMC Sierra HD 2006 2500:

(diesel)
(gasoline)
5v ref
A/c comp cl rly ctrl
A/c comp fuse 10a
A/c compressor clutch
A/c compressor clutch relay
A/c low pressure switch (right side of accumulator)
A/c on switch
A/c ref pre sens sig
A/c refrigerant pressure sensor (in high side pressure line)
A12
B11
Class 2 ser data
Class 2 serial data
G104 (on left rear of engine compt)
Hot at all times
Hot in run or start
Hvac control module (behind center of dash)
Ign e fuse 10a
Lo press sens sig
Logic
Low ref
Powertrain control module or engine control module (left front of engine compt)
Sp205 (in i/p harn)
Underhood fuse block (left side of engine compt, near battery)

Heater Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for Heater Wiring Diagram for GMC Sierra HD 2006 2500:

87a
B c5
Blower fuse 40a
Blower motor (under right side of dash)
Blower motor control switch
Blower motor relay
Blower motor resistor assembly (on hvac module, near blower motor)
G200 (near right "a" pillar)
Hot at all times
Hot in run
Htr a/c fuse 30a
Hvac control module (behind center of dash)
I/p fuse block (lower left side of dash)
I/p junction fuse block (lower right side of dash)
Off
Red
Tan
Underhood fuse block (left side of engine compt, near battery)

Manual A/C Wiring Diagram (1 of 3) for GMC Sierra HD 2006 2500

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List of elements for Manual A/C Wiring Diagram (1 of 3) for GMC Sierra HD 2006 2500:

(diesel)
(gasoline)
5v ref
87a
A/c comp cl rly ctrl
A/c comp fuse 10a
A/c compressor clutch
A/c compressor clutch relay
A/c low pressure switch (right side of accumulator)
A/c on switch
A/c recirc
A/c ref pre sens sig
A/c refrigerant pressure sensor (in high side pressure line)
A10
A11
A12
A5 c1
B c5
B(+)
B10
B11
B12
Blower fuse 40a
Blower motor (under right side of dash)
Blower motor control switch
Blower motor relay
Blower motor resistor assembly (on hvac module, near blower motor)
Class 2 ser data
Class 2 serial data
Frt def
G104 (on left rear of engine block)
G200 (near right "a" pillar)
G203 (near left "a" pillar)
Ground
Hot at all times
Hot in run
Hot in run or start
Htr a/c fuse 30a
Hvac 1 fuse 10a
Hvac control module (behind center of dash)
Hvac/ ecas fuse 10a
I/p fuse block (lower left side of dash)
I/p junction block (lower right side of dash)
I/p relay block (left side of dash)
Ign 3
Ign e fuse 10a
Inst lamp dim ctrl
Interior lights system
Left temp control
Lo press sens sig
Logic
Low ref
Lt temp door ctrl
Mode control
Mode door ctrl
Off
Off blow mt ctrl
Powertrain control module or engine control module (left front of engine compt)
Recir door ctrl
Recirc switch
Red
Right temp control
Rt temp door ctrl
S102 (in engine harness)
Sp205 (in i/p harn)
Tan
Underhood fuse block (left side of engine compt, near battery)

Manual A/C Wiring Diagram (2 of 3) for GMC Sierra HD 2006 2500

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List of elements for Manual A/C Wiring Diagram (2 of 3) for GMC Sierra HD 2006 2500:

(not used)
B12
Body control module (lower left side of dash, below steering column)
Class 2 serial data
G200 (near right "a" pillar)
I/p junction block (lower right side of dash)
Left air temperature actuator (bottom of hvac module)
Logic
Mode actuator (left side of hvac module)
Recirculation actuator (upper right of hvac module)
Right air temperature actuator (top of hvac module)
Tan

Manual A/C Wiring Diagram (3 of 3) for GMC Sierra HD 2006 2500

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List of elements for Manual A/C Wiring Diagram (3 of 3) for GMC Sierra HD 2006 2500:

Aux htr pump fuse 10a
Aux htr pump relay
Auxiliary water pump
Computer data lines system
Cool pump fuse 15a
Cool/ fan relay 1
Cool/ fan relay 2
Cool/ fan relay 3
Cool/fan fuse 10a
Cool/fan fuse 40a
G100 (lower left radiator support)
G104 (on left rear of engine block)
G115 (on right front body mount at core support)
Hot at all times
Hybrid control module (hcm)
Ign b fuse 40a
Left cooling fan
Pnk
Power distribution system
Powertrain control module (pcm)
Pwr maint fuse 10a
Pwr maint relay
Red
Right cooling fan
S108
S113
S114
S115
Secondary underhood fuse block (left side of engine compt) (hybrid)
Sgcm cool pmp/fan relay
Starter/generator control module (sgcm)
Starter/generator control module coolant pump
Stud #1 fuse 40a
Tan
Underhood cooling fan fuse block (left side of engine compt) (1500s)
Underhood fuse block (left side of engine compt)

ANTI-LOCK BRAKES

Anti-Lock Brake Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for Anti-Lock Brake Wiring Diagram for GMC Sierra HD 2006 2500:

3.6k ohms
Abs fuse 60a
Anti-lock ind
Brake fluid level sw in
Brake fluid level switch (on left side of brake fluid reservoir)
Brake fuse 10a
Brake in
Brake ind
Brake input
C12
C2 b7
C5 c1
C9 a
Clutch start switch (m/t) (top of clutch clutch assy)
Data link connector (dlc) (below steering column)
Del torque
Delivered torque
Electronic brake control module (ebcm) (on left side of inner frame)
Except seo
G104 (left rear of engine block)
G110 (left front body mount)
G203 (near left "a" pillar)
Hot at all times
Hot in run
Hot in run or start
I/p fuse block (on lower left side of dash)
Ign e fuse 10a
Ignition
Instrument cluster
Interior lights system
Left front sensor (+)
Left front sensor (-)
Left front wheel speed sensor
Logic
Nca
Pnk
Powertrain control module (pcm) (on left front of engine compt)
Red
Req torque
Requested torque
Right front sensor (+)
Right front sensor (-)
Right front wheel speed sensor
S102
S213
Seo
Seo ign fuse 10a
Serial data
Sp205 (in i/p harness)
Stoplamp switch (on top of brake pedal bracket)
Tan
Tcc brake sw
Trac sw input
Traction control ind (if equipped)
Traction control switch (if equipped)
Transfer case shift control module
Transmissions system
Transmissions system (transfer case circuit)
Underhood fuse block (at left side of eng compt)
Underhood fuse block (at left side of engine compt)
Vehicle speed sensor (vss) (4wd: on left side of transfer case, 2wd: right rear of transmission)
Vss high
Vss input
Vss low
Vss out

Hydraulic Brake Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for Hydraulic Brake Wiring Diagram for GMC Sierra HD 2006 2500:

6.0l
A c4
C1 f5
C5 c1
Eng on sig
Engine on signal
Except 6.0l
G200
G203
Generator
Generator battery control module
Grd
Hot at all times
I/p junction block (lower right side of dash)
I/p relay block (near left kick panel)
Ign 1 volt
Instrument cluster system
Pnk
Pressure differential
S202
Sba fuse 15a
Underhood fuse block (at left side of engine compt)
Vacuum pump motor
Vehicle spd sig

ANTI-THEFT

Forced Entry Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for Forced Entry Wiring Diagram for GMC Sierra HD 2006 2500:

(inside driver door)
(inside right front passenger door)
(lower left side of dash, near steering column)
A12
Ajar sw
All times
B12
Base
Battery
Body control module
Class 2 data
D12
Door ajar sw sig
Door sw lo ref
Driver door latch assembly (rear of driver's door)
Driver door module
Exterior lights system
Front passenger door latch assembly (rear of right front door)
Front passenger door module
G200 (behind right side of dash)
G203 (near left "a" pillar)
G305 (bottom of left "b" pillar)
G306 (bottom of right "b" pillar)
Ground
Headlights ctrl
Headlights system
Horn rly ctrl
Horns system
Hot at
I/p fuse block (lower left side of dash)
I/p junction block (lower right side of dash)
I/p junction block (right side of dash, behind panel)
I/p relay block (near left kick panel)
Instrument panel cluster (ipc)
Key sw
Key sw lo ref
Key sw sig
Left rear door latch assembly (crew cab) (rear or left rear door)
Lf door ajar sw
Logic
Lr door ajar sw
Pk lamp rel
Rf door ajar sw
Right rear door latch assembly (crew cab) (rear or right rear door)
Rr door ajar sw
S202
Security indicator
Serial data
Splice pack sp205 (in i/p harness)
Tan
Tbc batt fuse 10a
Underhood fuse block (left side of engine compt)
Uplevel

Passlock Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for Passlock Wiring Diagram for GMC Sierra HD 2006 2500:

12v reference
A11
A12
B12
Battery
Body control module (lower left side of dash, near steering column)
Class 2 serial data
D12
Data
Data link connector (under left side of dash)
Diesel
G203 (near left "a" pillar)
Gas
Ground
Hot at all times
Hot in run & start
I/p relay block (near left kick panel)
Ign
Ign 1 voltage
Ign sw sig
Ignition key alarm switch (on steering column)
Instrument panel cluster
Key
Lock cylinder
Low reference
Magnet
Passlock sensor (on steering column)
Pnk
Powertrain control module (gasoline) engine control module (diesel) (left front of eng compt)
S217
Sec sens sig
Security indicator
Security sensor
Serial data
Splice pack sp205 (in i/p harn)
Tamper sensor
Tbc batt fuse 10a
Tbc ign 1 fuse 10a
Underhood fuse block (left side of engine compt)

BODY CONTROL MODULES

Body Control Modules Wiring Diagram (1 of 2) for GMC Sierra HD 2006 2500

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List of elements for Body Control Modules Wiring Diagram (1 of 2) for GMC Sierra HD 2006 2500:

(base)
(upper level)
12 volt ref
5 volt ref
A10
A11
A12
Air conditioning system
Ambient light sens sig
Anti-theft system
B10
B11
B12
Battery +
Body control module (on lower left side of dash, below steering column)
Class 2 serial data
Computer data lines system
D12
Defogger system
Dimming sw sig
Door locks system
Driver door unlock rly ctrl
Driver sunload sens sig
Drl off ind
Drl relay ctrl
Drl sw sig
E11
E12
Electronic power steering system
Exterior lights system
Fog light relay ctrl
Front fog lamp sw sig
G203 (behind left side of dash, near "a" pillar)
Ground
Headlamp dimmer sw sig
Headlamp high beam relay ctrl
Headlamp low beam relay ctrl
Headlamp on ind ctrl
Headlights system
Horn rly ctrl
Horns system
Hot at all times
I/p fuse block
I/p lamp dimming ctrl
I/p relay block (near left kick panel)
Interior lamp defeat sw sig
Interior lights system
Led dimming sig
Low ref
Park lamp relay ctrl
Park lamp sw on sig
Pass door lock sw lock ctrl
Pass door lock sw unlock ctrl
Passenger sunload sens sig
Pnk
Power tops system
Rear defog rly ctrl
Rear dr lock rly ctrl
Rear dr unlock rly ctrl
Red
Remote radio ctrl sig
Security system sens sig
Sound system
Steering wheel position sen sig
Tbc 2a fuse 15a
Tbc 2c fuse 15a
Tbc batt fuse 10a
Tow/haul sw sig
Transmissions system
Underhood fuse block
W/w mtr prk sw sig
Wiper/washer system

Body Control Modules Wiring Diagram (2 of 2) for GMC Sierra HD 2006 2500

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List of elements for Body Control Modules Wiring Diagram (2 of 2) for GMC Sierra HD 2006 2500:

(base)
(crew cab)
(up level)
A10
A11
Accessory volt
Air conditioning system
B11
B12
Backup lamp sig
Battery +
Body control module (on lower left side of dash, below steering column)
Cargo lamp low ctrl
Courtesy lamps on sig
Door lock ctrl
Door locks system
Door unlock ctrl
Exterior lights system
Headlamp sw flash to pass sig
Headlamp sw headlamp on sig
Headlights system
Hot at all times
Hot in run & acc
Hot in run & start
Hot in run, start & acc
I/p fuse block
I/p lamps dimmer sw low ref
Ignition 0 volt
Ignition 1 volt
Interior lights system
Key in ignition sw sig
Left front door ajar sw sig
Left rear door ajar sw sig
Low ref
Park brake sw sig
Park brake switch (part of park brake assembly)
Pnk
Power window lockout lr sig
Power window lockout rr sig
Power window sw lr down sig
Power window sw lr up sig
Power window sw rr down sig
Power window sw rr up sig
Power windows system
Right front door ajar sw sig
Right rear door ajar sw sig
Tbc 2b fuse 15a
Tbc accy fuse 10a
Tbc ign 0 fuse 10a
Tbc ign 1 fuse 10a
Underhood fuse block
Warnings system

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram (1 of 2) for GMC Sierra HD 2006 2500

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List of elements for Computer Data Lines Wiring Diagram (1 of 2) for GMC Sierra HD 2006 2500:

(at center of dash) radio
(hybrid)
(not used)
8600 gvw or less
Audio amplifier (w/ luxury package) (under rear of center console)
B10
B11
B12
Base or uplevel
Body control module (on lower left side of dash, below steering column)
Cig ltr fuse 15a
Class 2 serial data
Data link connector (dlc) (under left side of dash, below steering column)
Diesel
Digital radio receiver (behind center of dash)
Driver's door module (ddm) (in left front door)
Electronic brake control module (ebcm) (on left side of inner frame)
Front passenger door module (fpdm) (in right front door)
G200 (near right "a" pillar)
G203 (near left "a" pillar)
Gas
Generator battery control module (left front corner of engine compt)
Greater than 8600 gvw
Hot at all times
Hvac control module (behind center of dash)
Hybrid control module (left side of engine compt)
I/p fuse block (under left side of dash)
I/p junction block (under right side of dash)
I/p relay block (near left kick panel)
Inflatable restraint sensing/diagnostic module (under left front seat)
Instrument panel cluster (ipc)
Luxury
Memory seat module (underside of driver seat)
Pnk
Power distribution system
Powertrain control module (pcm)/engine control module (ecm) (on left front of engine compt)
Rear seat audio (rsa) controller (under rear of center console)
Rear seat entertainment (rse) assembly (at center of headliner)
Remote playback device-cd player (center of dash, below radio)
S202
Splice pack sp205 (in i/p harness)
Splice pack sp207 (left side of dash)
Tan
Tire pressure monitor (tpm) module (behind dash above brake pedal assembly)
Transfer case shift control module (behind headlamp switch)
Transmission control module (at left front of engine compt)
Underhood fuse block (at left side of engine compt, near battery)
Vehicle communication interface module (vcim) (behind passenger air bag module)

Computer Data Lines Wiring Diagram (2 of 2) for GMC Sierra HD 2006 2500

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List of elements for Computer Data Lines Wiring Diagram (2 of 2) for GMC Sierra HD 2006 2500:

(or 6105)
(or 6106)
6.6l
8.1l
A/t
Electro-hydraulic power steering (ehps) module
Energy storage box (esb)
Energy storage control module (escm)
Engine control module (ecm) (left front of engine compt)
Except hybrid (8.1l & 6.6l)
Glow plug control module (gpcm)
Hi spd gmlan serial data +
Hi spd gmlan serial data -
High speed gmlan serial data bus +
High speed gmlan serial data bus -
Hybrid
Hybrid control module (hcm) (left side of engine compt)
M/t
Powertrain control module (pcm) (left front of engine compt)
S122 (in engine harness approx 9 cm from ecm connector)
S123
S123 (in engine harness approx 20 cm from ecm connector)
Sae j1939 serial data bus +
Sae j1939 serial data bus -
Starter/ generator control module (sgcm) (right rear of engine compt)
Tan
Transmission control module (left front of engine compt)

COOLING FAN

Cooling Fan Wiring Diagram, Except Hybrid for GMC Sierra HD 2006 2500

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List of elements for Cooling Fan Wiring Diagram, Except Hybrid for GMC Sierra HD 2006 2500:

Cool/ fan relay 1
Cool/ fan relay 2
Cool/ fan relay 3
Cool/fan fuse 10a
Cool/fan fuse 40a
G115 (on right front body mount at core support)
Hot at all times
Left cooling fan
Powertrain control module (pcm)
Right cooling fan
Underhood cooling fan fuse block (left side of engine compt)

Cooling Fan Wiring Diagram, Hybrid for GMC Sierra HD 2006 2500

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List of elements for Cooling Fan Wiring Diagram, Hybrid for GMC Sierra HD 2006 2500:

Aux htr pump fuse 10a
Aux htr pump relay
Auxiliary water pump
Computer data lines system
Cool pump fuse 15a
G100 (lower left radiator support)
G104 (on left rear of engine block)
Hot at all times
Hybrid control module (hcm)
Ign b fuse 40a
Pnk
Power distribution system
Pwr maint fuse 10a
Pwr maint relay
Red
S108
S113
S114
S115
Secondary underhood fuse block (left side of engine compt)
Sgcm cool pmp/fan relay
Starter/ generator control module (sgcm)
Starter/generator control module coolant pump
Stud #1 fuse 40a
Tan
Underhood fuse block (left side of engine compt)

CRUISE CONTROL

4.3L VIN X

4.3L VIN X, Cruise Control Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for 4.3L VIN X, Cruise Control Wiring Diagram for GMC Sierra HD 2006 2500:

A/t
A10
Anti- lock brakes system
Brake fuse 10a
Class 2 data
Clutch pedal position switch (top of clutch pedal)
Clutch sw input
Computer data lines system
Cruise control module (left rear of engine compt, on firewall)
Cruise control on/off switch
Cruise engage in
Cruise engage out
Cruise fuse 10a
Cruise ind
Cruise on input
Exterior lights system
F12
G203 (behind left side of dash)
Ground
Hot at all times
Hot in run
I/p fuse block (on lower left side of dash)
I/p relay block
Ign
Ignition
Instrument panel cluster
M/t
Nca
Off
Powertrain control module (left front of engine compt)
Radio
Resume/ accel
Resume/accel
Resume/accel sig
Serial data
Set/ coast
Set/coast sig
Stop lps fuse 20a
Stoplamp sw input
Turn signal multifunction switch
Underhood fuse block (near battery)
Veh stop fuse 15a
Vehicle speed sensor (vss) (2wd: left side of transmission) (4wd: left side of transfer case)
Vss high
Vss in
Vss low
Vss out

4.8L VIN V

4.8L VIN V, Cruise Control Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for 4.8L VIN V, Cruise Control Wiring Diagram for GMC Sierra HD 2006 2500:

5v ref
A10
Acceleration pedal position sensor (behind accelerator pedal)
Anti-lock brakes system
App sensor 1 sig
App sensor 2 sig
Brake fuse 10a
Class 2 data
Clutch pedal postion (cpp) switch
Computer data lines system
Cpp sw
Cruise control on/off switch
Cruise fuse 10a
Cruise ind
Cruise on sw sig
Etc/ecm fuse 15a
G104 (left rear of engine)
Ground
Hot at all times
Hot in run
Hot in run & start
I/p fuse block (on lower left side of dash)
I/p relay block
Ign
Ign volt
Instrument panel cluster
Low ref
Nca
Off
Pnk
Powertrain control module (left front of engine compt)
Resume/ accel
Resume/accel
Resume/accel sig
S102
S207 (w/ pto) (i/p harn)
Serial data
Set/ coast
Set/coast sig
Stop lps fuse 20a
Stoplamp switch (top of brake pedal)
Tac motor cntrl 1
Tac motor cntrl 2
Tan
Tcc brk sw
Throttle actuator control module (left rear of engine compt)
Throttle body
Tp sensor 1 sig
Tp sensor 2 sig
Turn signal multifunction switch
Under- hood fuse block
Underhood fuse block (near battery)
Veh stop fuse 15a
Vehicle speed sensor (vss) (2wd: left side of transmission) (4wd: left side of transfer case)
Vss
Vss high
Vss low

5.3L VIN B

5.3L VIN B, Cruise Control Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN B, Cruise Control Wiring Diagram for GMC Sierra HD 2006 2500:

5v ref
A10
Acceleration pedal position sensor (behind accelerator pedal)
Anti-lock brakes system
App sensor 1 sig
App sensor 2 sig
Brake fuse 10a
Class 2 data
Clutch pedal postion (cpp) switch
Computer data lines system
Cpp sw
Cruise control on/off switch
Cruise fuse 10a
Cruise ind
Cruise on sw sig
Etc/ecm fuse 15a
G104 (left rear of engine)
Ground
Hot at all times
Hot in run
Hot in run & start
I/p fuse block (on lower left side of dash)
I/p relay block
Ign
Ign volt
Instrument panel cluster
Low ref
Nca
Off
Pnk
Powertrain control module (left front of engine compt)
Resume/ accel
Resume/accel
Resume/accel sig
S102
S207 (w/ pto) (i/p harn)
Serial data
Set/ coast
Set/coast sig
Stop lps fuse 20a
Stoplamp switch (top of brake pedal)
Tac motor cntrl 1
Tac motor cntrl 2
Tan
Tcc brk sw
Throttle actuator control module (left rear of engine compt)
Throttle body
Tp sensor 1 sig
Tp sensor 2 sig
Turn signal multifunction switch
Under- hood fuse block
Underhood fuse block (near battery)
Veh stop fuse 15a
Vehicle speed sensor (vss) (2wd: left side of transmission) (4wd: left side of transfer case)
Vss
Vss high
Vss low

5.3L VIN T

5.3L VIN T, Cruise Control Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN T, Cruise Control Wiring Diagram for GMC Sierra HD 2006 2500:

5v ref
A10
Acceleration pedal position sensor (behind accelerator pedal)
Anti-lock brakes system
App sensor 1 sig
App sensor 2 sig
Brake fuse 10a
Class 2 data
Clutch pedal postion (cpp) switch
Computer data lines system
Cpp sw
Cruise control on/off switch
Cruise fuse 10a
Cruise ind
Cruise on sw sig
Etc/ecm fuse 15a
G104 (left rear of engine)
Ground
Hot at all times
Hot in run
Hot in run & start
I/p fuse block (on lower left side of dash)
I/p relay block
Ign
Ign volt
Instrument panel cluster
Low ref
Nca
Off
Pnk
Powertrain control module (left front of engine compt)
Resume/ accel
Resume/accel
Resume/accel sig
S102
S207 (w/ pto) (i/p harn)
Serial data
Set/ coast
Set/coast sig
Stop lps fuse 20a
Stoplamp switch (top of brake pedal)
Tac motor cntrl 1
Tac motor cntrl 2
Tan
Tcc brk sw
Throttle actuator control module (left rear of engine compt)
Throttle body
Tp sensor 1 sig
Tp sensor 2 sig
Turn signal multifunction switch
Under- hood fuse block
Underhood fuse block (near battery)
Veh stop fuse 15a
Vehicle speed sensor (vss) (2wd: left side of transmission) (4wd: left side of transfer case)
Vss
Vss high
Vss low

5.3L VIN Z

5.3L VIN Z, Cruise Control Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN Z, Cruise Control Wiring Diagram for GMC Sierra HD 2006 2500:

5v ref
A10
Acceleration pedal position sensor (behind accelerator pedal)
Anti-lock brakes system
App sensor 1 sig
App sensor 2 sig
Brake fuse 10a
Class 2 data
Clutch pedal postion (cpp) switch
Computer data lines system
Cpp sw
Cruise control on/off switch
Cruise fuse 10a
Cruise ind
Cruise on sw sig
Etc/ecm fuse 15a
G104 (left rear of engine)
Ground
Hot at all times
Hot in run
Hot in run & start
I/p fuse block (on lower left side of dash)
I/p relay block
Ign
Ign volt
Instrument panel cluster
Low ref
Nca
Off
Pnk
Powertrain control module (left front of engine compt)
Resume/ accel
Resume/accel
Resume/accel sig
S102
S207 (w/ pto) (i/p harn)
Serial data
Set/ coast
Set/coast sig
Stop lps fuse 20a
Stoplamp switch (top of brake pedal)
Tac motor cntrl 1
Tac motor cntrl 2
Tan
Tcc brk sw
Throttle actuator control module (left rear of engine compt)
Throttle body
Tp sensor 1 sig
Tp sensor 2 sig
Turn signal multifunction switch
Under- hood fuse block
Underhood fuse block (near battery)
Veh stop fuse 15a
Vehicle speed sensor (vss) (2wd: left side of transmission) (4wd: left side of transfer case)
Vss
Vss high
Vss low

6.0L VIN N

6.0L VIN N, Cruise Control Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for 6.0L VIN N, Cruise Control Wiring Diagram for GMC Sierra HD 2006 2500:

5v ref
A10
Acceleration pedal position sensor (behind accelerator pedal)
Anti-lock brakes system
App sensor 1 sig
App sensor 2 sig
Brake fuse 10a
Class 2 data
Clutch pedal postion (cpp) switch
Computer data lines system
Cpp sw
Cruise control on/off switch
Cruise fuse 10a
Cruise ind
Cruise on sw sig
Etc/ecm fuse 15a
G104 (left rear of engine)
Ground
Hot at all times
Hot in run
Hot in run & start
I/p fuse block (on lower left side of dash)
I/p relay block
Ign
Ign volt
Instrument panel cluster
Low ref
Nca
Off
Pnk
Powertrain control module (left front of engine compt)
Resume/ accel
Resume/accel
Resume/accel sig
S102
S207 (w/ pto) (i/p harn)
Serial data
Set/ coast
Set/coast sig
Stop lps fuse 20a
Stoplamp switch (top of brake pedal)
Tac motor cntrl 1
Tac motor cntrl 2
Tan
Tcc brk sw
Throttle actuator control module (left rear of engine compt)
Throttle body
Tp sensor 1 sig
Tp sensor 2 sig
Turn signal multifunction switch
Under- hood fuse block
Underhood fuse block (near battery)
Veh stop fuse 15a
Vehicle speed sensor (vss) (2wd: left side of transmission) (4wd: left side of transfer case)
Vss
Vss high
Vss low

DEFOGGERS

Heated Mirrors Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for Heated Mirrors Wiring Diagram for GMC Sierra HD 2006 2500:

A7 c1
B11
Battery
Computer data lines system
Ddm fuse 15a
Driver door module (ddm) (in driver's door)
Driver outside rearview mirror
F c3
Front passenger door module (fpdm) (in right front door)
G200 (near right "a" pillar)
Ground
Hot at all times
Hvac control module (in center of dash)
I/p fuse block (lower left side of dash)
I/p junction block (lower right side of dash)
Low ref
Passenger outside rearview mirror
Pdm fuse 10a
R def
Rear defog switch
S202
Serial data
Tan

Rear Defogger Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for Rear Defogger Wiring Diagram for GMC Sierra HD 2006 2500:

(except crewcab: right "b" pillar) (crewcab: near left "c" pillar)
A c1
A c2
A6 c1
B11
B12
Body control module (on lower left side of dash)
Computer data lines system
G306 (except crewcab) g390 (crewcab)
Hot at all times
Hot in run & start
Htr
Hvac control module (in center of dash)
I/p relay block (near left kick panel)
Ign
L c10
Logic
Rear defog switch
Rear defogger relay
Rear window defogger grid
Relay cntrl
Serial data

ELECTRONIC POWER STEERING

Electronic Power Steering Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for Electronic Power Steering Wiring Diagram for GMC Sierra HD 2006 2500:

(5 cm from c122 breakout) s128
(5 cm from ehps pump conn breakout) s129
(near left kick panel) i/p relay block
(right rear of engine compt)
Battery 3
Brake pedal position sensor
Brake pedal position sig
C1 f10
C1 f8
C341
C9 c1
Computer data lines system
Ehps fuse 125a
Ehps interlock signal
Ehps-1 fuse 10a
Electro hydraulic power steering (ehps) module (left front of engine)
Energy storage box (under rear passenger seat)
G103 (on right rear of engine block)
G121
G122 (left front of engine)
G203 (behind left side of dash)
G311 (in energy storage box)
Ground
Hi speed gmlan ser data bus +
Hi speed gmlan ser data bus -
Hot in accy, run and start
Hot in run and start
I/p fuse block (on lower left side of dash)
Ign 0 voltage
Ing 0 fuse 10a
Low ref
Nca
Pnk
Red
S103
S120
S121
S131
S326
Service dis- connect
Starting/ charging system
Steering wheel position signal a
Steering wheel position signal b
Steering wheel speed/position sensor (on steering column)
Tan
Underhood fuse block (left side of eng compt)
Underhood secondary fuse block (left side of eng compt, rear of battery)

ELECTRONIC SUSPENSION

Electronic Suspension Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for Electronic Suspension Wiring Diagram for GMC Sierra HD 2006 2500:

(on spare tire hoist bracket)
(w/ heavy duty: left side of fuel tank) (w/o heavy duty: left front body mount)
G200 (near right "a" pillar)
G302
G401
Ground
Hot in run and start
I/p relay block
I/p relay block (near left kick panel)
Interior lighting systems
Left front shock absorber solenoid (part of left front shock)
Left rear shock absorber solenoid (part of left rear shock)
Logic
Normal/ firm
Pnk
Ride indicator
Ride signal
Right front shock absorber solenoid (part of right front shock)
Right rear shock absorber solenoid (part of right rear shock)
S140
S202
Selectable ride switch
Seo ign fuse 10a
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 2006 2500

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List of elements for 4.3L VIN X, Engine Performance Wiring Diagram (1 of 4) for GMC Sierra HD 2006 2500:

(below steering column) data link connector
(bottom of crank- shaft pulley) crankshaft position sensor
(right rear of engine block)
+5v
3-2 ss
A/c system
A12
B10
B12
Body control module (below steering column)
Brk sw
C10
Central sequential fuel injection
Cfan rly lo
Ckp sig
Cls 2 data
Clutch sw
Cmp
Cooling fans system
D10
E10
E11
Ect sig
Engine oil pressure (eop) sensor
Fuel injectors
G103
Gnd
Ho2s hi
Ho2s lo
Hot at all times
Hot in accy, run & start
Hot in run & start
I/p fuse block
Ign
Ign 0 fuse 10a
Inj 1 ctrl
Inj 2 ctrl
Inj 3 ctrl
Inj 4 ctrl
Inj 5 ctrl
Inj 6 ctrl
Inj1 fuse 15a
Inj2 fuse 15a
Low ref
Nca
O2a fuse 15a
O2b fuse 15a
Pcm1 fuse 15a
Pcmb fuse 20a
Pnk
Pnk b
Pnk d
Pnk e
Pnk h
Pnk j
Pnk l
Powertrain control module (pcm) (left front of engine compt)
Prnd a
Prnd b
Prnd p
Range b
Range c
Red
Ref low
Rly ctrl
S103
S110
Sens gnd
Sensor sig
Sp205 (in i/p harness)
Starting system
Tan
Underhood junction block

4.3L VIN X, Engine Performance Wiring Diagram (2 of 4) for GMC Sierra HD 2006 2500

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List of elements for 4.3L VIN X, Engine Performance Wiring Diagram (2 of 4) for GMC Sierra HD 2006 2500:

(not used)
Engine coolant temperature sensor (rear side of left cylinder head)
Fuel pump & sender assembly (in fuel tank)
Fuel pump relay
G103 (right rear of engine block)
G104 (left rear of engine block)
G110 (left front body mount)
Heated oxygen sensor (bank 1 sensor 1) (left exh pipe, before converter)
Heated oxygen sensor (bank 1 sensor 2) (left exh pipe, after converter)
Heated oxygen sensor (bank 2 sensor 1) (right exh pipe, before converter)
Heated oxygen sensor (bank 2 sensor 2) (right exh pipe, after converter)
Hot at all times
Knock sensor (rear of engine block)
Nca
Park/neutral position switch (left side of trans- mission)
Pcm b fuse 20a
Pnk
Red
S103
Tan
Throttle position sensor (on throttle body assy)
Under- hood fuse block

4.3L VIN X, Engine Performance Wiring Diagram (3 of 4) for GMC Sierra HD 2006 2500

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List of elements for 4.3L VIN X, Engine Performance Wiring Diagram (3 of 4) for GMC Sierra HD 2006 2500:

(in chassis harn)
1-2 sol
2-3 sol
3-2 sol
A red
A/t fluid pressure manual valve position switch
Automatic transaxle
Brake fuse 10a
C12
Camshaft position sensor (in distributor)
Clutch start switch (top of pedal bracket)
Cruise control system
E11
Evaporative emissions canister purge solenoid (right front side of engine)
Evaporative emissions canister vent solenoid (right front side of fuel tank)
Fuel tank pressure sensor (in fuel tank)
G103 (right rear of engine block)
Gnd
Hot in accy, run & start
Hot in run
I/p fuse block
Iat sensor
Ign
Ign0 fuse 10a
Instrument cluster system
Intake air temperature (iat)/mass airflow (maf) sensor (in air induction tube)
Manifold absolute pressure sensor (top rear of engine)
N pnk
P red
Pc sol valve
Pnk
Pnk a
Pnk d
Power distribution system
Red
Red/
Rev
S103
S125
S150
Signal
Stop- lamp switch (top of brake pedal bracket)
Tan
Tan b
Tcc pwm sol
Tcc sol
Tft sensor
Under- hood junction block
Underhood fuse block
Vehicle speed sensor (left rear of transmission)

4.3L VIN X, Engine Performance Wiring Diagram (4 of 4) for GMC Sierra HD 2006 2500

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List of elements for 4.3L VIN X, Engine Performance Wiring Diagram (4 of 4) for GMC Sierra HD 2006 2500:

(lower right front of eng block)
(not used)
1-2 ss ctrl
2-3 ss ctrl
4wd low
4ws fuse 15a
A/c clu
A/c system
Anti-lock brake system (speed signal)
B11
Cfan rly hi spd
Coil driver
Cooling fans system
Crank fuse 10a
Crank voltage
Cruise control system a/c system
Cruise eng
Evap vent ctrl
Fld sig
Front axle actuator (on front axle)
Frt axle sw
Fuel lev
Fuel sig ctrl
G102
G103 (right rear of engine)
Gen reg ctrl
Gnd
Hot at all times
Hot in run & start
Hot in start
Htr low ctrl
Iac coil hi
Iac coil lo
Iat sig
Ic timing ctrl
Idle air control valve (on throttle body)
Ign
Ign feed
Ignition coil
Ignition control module (right rear of engine)
Instrument cluster systems (speed signal)
Instrument panel cluster
Ipc/dic fuse 10a
Low ref
Maf sig
Malfunction indicator lamp
Map sig
Mil ctrl
Oil press sig
Pc sol hi
Pc sol lo
Pmp rly ctrl
Pnk
Pnk a
Powertrain control module (pcm) (left front of engine compt)
Prnd c
Red
Rpm out
S103
Sens gnd
Sens sig
Sol ctrl
Starting/ charging system
Starting/charging system
Sw sig
Tan
Tcc pwm
Tcc sol ctrl
Tft sens sig
Timing
Tp sig
Trans rng a
Trans- missions system
Transfer case shift control module (behind headlamp switch)
Transfer case shift control switch (on left side of transfer case)
Under- hood junction block
Vss high
Vss low
Vss out
W/ 2 speed manual shift control
W/ 2 speed push button control

4.8L VIN V

4.8L VIN V, Engine Performance Wiring Diagram (1 of 5) for GMC Sierra HD 2006 2500

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List of elements for 4.8L VIN V, Engine Performance Wiring Diagram (1 of 5) for GMC Sierra HD 2006 2500:

(below steering column) data link connector
(lower right rear of engine) crankshaft position (ckp) sensor
+5v
3-2 ss ctrl
A/c system
Anti-lock brakes sys
Brk sw sig
C10
Cfan lo rly
Ckp sig
Cls 2 data
Cmp sig
Cooling fans system
Cpp sw sig
D10
E10
E11
Ect sig
Electronic suspension system
Fuel injectors
G103 (right rear of engine)
Gnd
Ho2s hi sig
Ho2s lo
Hot at all times
Hot in accy, run & start
Hot in run & start
I/p fuse block
Ign
Ign 0 fuse 10a
Inj 1 ctrl
Inj 2 ctrl
Inj 3 ctrl
Inj 4 ctrl
Inj 5 ctrl
Inj 6 ctrl
Inj 7 ctrl
Inj 8 ctrl
Inj1 fuse 15a
Inj2 fuse 15a
Ks signal
Lift/dive sig
O2a fuse 15a
O2b fuse 15a
Oil lev sw sig
Pcmb fuse 20a
Pnk
Pnk a
Powertrain control module (left front of engine compt)
Prnd a sig
Prnd b sig
Prnd p sig
Range b
Range c
Red
Ref low
Ref low (a/t)
Req torq sig
Rly ctrl
S103
S110
Serial data
Sp205 (in i/p harness)
Starting/ charging system
Tan
Under- hood fuse block

4.8L VIN V, Engine Performance Wiring Diagram (2 of 5) for GMC Sierra HD 2006 2500

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List of elements for 4.8L VIN V, Engine Performance Wiring Diagram (2 of 5) for GMC Sierra HD 2006 2500:

(4.8l & 5.3l)
(6.0l)
(dual tanks)
(in secondary fuel tank) fuel pump & sender assembly (secondary)
(not used)
(right rear of engine block)
Engine coolant temperature sensor (front of left cylinder head)
Engine oil level switch (right side of oil pan)
Fuel pump & sender assembly (primary) (in fuel tank)
Fuel pump relay
Fuel pump relay (secondary) (dual tanks) (in underhood fuse block)
G103
G103 (right rear of engine block)
G104 (left rear of engine block)
G110 (left front body mount)
Heated oxygen sensor (bank 1 sensor 1) (left exh pipe, before converter)
Heated oxygen sensor (bank 1 sensor 2) (left exh pipe, after converter)
Heated oxygen sensor (bank 2 sensor 1) (right exh pipe, before converter)
Heated oxygen sensor (bank 2 sensor 2) (right exh pipe, after converter)
Hot at all times
Hot in run & start
Knock sensor 1 (under intake manifold)
Knock sensor 2 (under intake manifold)
Nca
Park/neutral position switch (left side of transmission)
Pcm b fuse 20a
Pnk
Red
S103
Sba fuse 15a
Tan
Under- hood fuse block
Underhood fuse block

4.8L VIN V, Engine Performance Wiring Diagram (3 of 5) for GMC Sierra HD 2006 2500

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List of elements for 4.8L VIN V, Engine Performance Wiring Diagram (3 of 5) for GMC Sierra HD 2006 2500:

(4l60e)
1-2 sol
2-3 sol
3-2 sol
A red
A/t fluid pressure manual valve position switch
Automatic transaxle
Brake fuse 10a
C12
Camshaft position sensor (top center rear of engine)
Engine oil pressure (eop) sensor (top rear of engine)
Evaporative emissions (evap) canister purge solenoid (behind throttle body)
Evaporative emissions canister vent solenoid (right front side of fuel tank)
F12
Fuel tank pressure sensor (in fuel tank)
Hot at all times
Hot in run
I/p fuse block
Manifold absolute pressure sensor (top rear of engine)
N pnk
P red
Pc sol valve
Pnk
Pnk a
Red
Red/
Rev
S (4l60e)
S125
S312
Stop lps fuse 25a
Stop- lamp switch (top of brake pedal bracket)
Tan
Tcc pwm sol
Tcc sol
Tft sensor
Under- hood fuse block
Underhood fuse block
Vehicle speed sensor (rear of transmission/ transfer case)

4.8L VIN V, Engine Performance Wiring Diagram (4 of 5) for GMC Sierra HD 2006 2500

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List of elements for 4.8L VIN V, Engine Performance Wiring Diagram (4 of 5) for GMC Sierra HD 2006 2500:

(behind accelerator pedal) accelerator pedal position sensor
(in transmission) (4l80e) automatic transmission input shaft speed sensor
4ws fuse 15a
A10
Act cntrl
App sens 1
App sens 2
Cruise control system
Cruise req
Data
E11
Ect/ecm fuse 15a
G103 (right rear of engine block)
G104 (left rear of engine block)
Gnd
Ground
Hot at all times
Hot in run & start
Hot in run or start
I/p fuse block
Iat sensor
Ign
Ign0 fuse 10a
Intake air temperature (iat)/ mass airflow (maf) sensor (in air induction tube)
Pnk
R/a input
Red
Ref low
S/c input
S102
S103
Signal
Stp lp in
Tac ctrl
Tan
Throttle actuator control module (rear of engine compt)
Throttle body
Tp sens 1
Tp sens 2
Underhood fuse block
Veh stop fuse 15a

4.8L VIN V, Engine Performance Wiring Diagram (5 of 5) for GMC Sierra HD 2006 2500

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List of elements for 4.8L VIN V, Engine Performance Wiring Diagram (5 of 5) for GMC Sierra HD 2006 2500:

(in engine harness)
(in ignition coil jumper harness)
(left side of engine) g102
1-2 ss ctrl
2-3 ss ctrl
4wd low sig
A/c system
A12
Air conditioning system
Anti-lock brakes system
At iss high sig
At iss low sig
Axle sw sig
B10
B11
Cfan hi rly
Clu rly ctrl
Cooling fans system
Crank fuse 10a
Crank volt
Css sig
Ctrl
Cycle sig
Delivered torq
Evap canp ctrl
Evap vent ctrl
Exc seo
Fuel lev sens
Fuel lev sig
Fuel press sig
G103 (right rear of engine block)
Gnd
Ho2s htr low
Ho2s low ctrl
Hot at all times
Hot in run & start
Hot in start
Iat sig
Ign
Ign ctrl
Ign feed
Ignition coils
Ind ctrl
Instrument cluster system
Instrument panel cluster
Ipc/dic fuse 10a
Maf sig
Malfunction indicator lamp
Map sig
Mil ctrl
Nca
Nca nca
Pc sol hi ctrl
Pc sol lo ctrl
Pcm1 fuse 15a
Pmp rly ctrl
Pnk
Pnk d
Powertrain control module (left front of engine compt)
Press sens sig
Prnd c sig
Red
Red c
Ref lo
Ref low
Rpm out
S103
S151
S153
S157
S159
S160
Seo
Seo b1 fuse 15a
Spark plug
Starting/charging system
Tan
Tcc pwm ctrl
Tcc sol ctrl
Tft sens sig
Transmissions system
Underhood fuse block
Vss high sig
Vss low sig
Vss out

5.3L VIN B

5.3L VIN B, Engine Performance Wiring Diagram (1 of 5) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN B, Engine Performance Wiring Diagram (1 of 5) for GMC Sierra HD 2006 2500:

(below steering column) data link connector
(lower right rear of engine) crankshaft position (ckp) sensor
+5v
3-2 ss ctrl
A/c system
Anti-lock brakes sys
Brk sw sig
C10
Cfan lo rly
Ckp sig
Cls 2 data
Cmp sig
Cooling fans system
Cpp sw sig
D10
E10
E11
Ect sig
Electronic suspension system
Fuel injectors
G103 (right rear of engine)
Gnd
Ho2s hi sig
Ho2s lo
Hot at all times
Hot in accy, run & start
Hot in run & start
I/p fuse block
Ign
Ign 0 fuse 10a
Inj 1 ctrl
Inj 2 ctrl
Inj 3 ctrl
Inj 4 ctrl
Inj 5 ctrl
Inj 6 ctrl
Inj 7 ctrl
Inj 8 ctrl
Inj1 fuse 15a
Inj2 fuse 15a
Ks signal
Lift/dive sig
O2a fuse 15a
O2b fuse 15a
Oil lev sw sig
Pcmb fuse 20a
Pnk
Pnk a
Powertrain control module (left front of engine compt)
Prnd a sig
Prnd b sig
Prnd p sig
Range b
Range c
Red
Ref low
Ref low (a/t)
Req torq sig
Rly ctrl
S103
S110
Serial data
Sp205 (in i/p harness)
Starting/ charging system
Tan
Under- hood fuse block

5.3L VIN B, Engine Performance Wiring Diagram (2 of 5) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN B, Engine Performance Wiring Diagram (2 of 5) for GMC Sierra HD 2006 2500:

(4.8l & 5.3l)
(6.0l)
(dual tanks)
(in secondary fuel tank) fuel pump & sender assembly (secondary)
(not used)
(right rear of engine block)
Engine coolant temperature sensor (front of left cylinder head)
Engine oil level switch (right side of oil pan)
Fuel pump & sender assembly (primary) (in fuel tank)
Fuel pump relay
Fuel pump relay (secondary) (dual tanks) (in underhood fuse block)
G103
G103 (right rear of engine block)
G104 (left rear of engine block)
G110 (left front body mount)
Heated oxygen sensor (bank 1 sensor 1) (left exh pipe, before converter)
Heated oxygen sensor (bank 1 sensor 2) (left exh pipe, after converter)
Heated oxygen sensor (bank 2 sensor 1) (right exh pipe, before converter)
Heated oxygen sensor (bank 2 sensor 2) (right exh pipe, after converter)
Hot at all times
Hot in run & start
Knock sensor 1 (under intake manifold)
Knock sensor 2 (under intake manifold)
Nca
Park/neutral position switch (left side of transmission)
Pcm b fuse 20a
Pnk
Red
S103
Sba fuse 15a
Tan
Under- hood fuse block
Underhood fuse block

5.3L VIN B, Engine Performance Wiring Diagram (3 of 5) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN B, Engine Performance Wiring Diagram (3 of 5) for GMC Sierra HD 2006 2500:

(4l60e)
1-2 sol
2-3 sol
3-2 sol
A red
A/t fluid pressure manual valve position switch
Automatic transaxle
Brake fuse 10a
C12
Camshaft position sensor (top center rear of engine)
Engine oil pressure (eop) sensor (top rear of engine)
Evaporative emissions (evap) canister purge solenoid (behind throttle body)
Evaporative emissions canister vent solenoid (right front side of fuel tank)
F12
Fuel tank pressure sensor (in fuel tank)
Hot at all times
Hot in run
I/p fuse block
Manifold absolute pressure sensor (top rear of engine)
N pnk
P red
Pc sol valve
Pnk
Pnk a
Red
Red/
Rev
S (4l60e)
S125
S312
Stop lps fuse 25a
Stop- lamp switch (top of brake pedal bracket)
Tan
Tcc pwm sol
Tcc sol
Tft sensor
Under- hood fuse block
Underhood fuse block
Vehicle speed sensor (rear of transmission/ transfer case)

5.3L VIN B, Engine Performance Wiring Diagram (4 of 5) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN B, Engine Performance Wiring Diagram (4 of 5) for GMC Sierra HD 2006 2500:

(behind accelerator pedal) accelerator pedal position sensor
(in transmission) (4l80e) automatic transmission input shaft speed sensor
4ws fuse 15a
A10
Act cntrl
App sens 1
App sens 2
Cruise control system
Cruise req
Data
E11
Ect/ecm fuse 15a
G103 (right rear of engine block)
G104 (left rear of engine block)
Gnd
Ground
Hot at all times
Hot in run & start
Hot in run or start
I/p fuse block
Iat sensor
Ign
Ign0 fuse 10a
Intake air temperature (iat)/ mass airflow (maf) sensor (in air induction tube)
Pnk
R/a input
Red
Ref low
S/c input
S102
S103
Signal
Stp lp in
Tac ctrl
Tan
Throttle actuator control module (rear of engine compt)
Throttle body
Tp sens 1
Tp sens 2
Underhood fuse block
Veh stop fuse 15a

5.3L VIN B, Engine Performance Wiring Diagram (5 of 5) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN B, Engine Performance Wiring Diagram (5 of 5) for GMC Sierra HD 2006 2500:

(in engine harness)
(in ignition coil jumper harness)
(left side of engine) g102
1-2 ss ctrl
2-3 ss ctrl
4wd low sig
A/c system
A12
Air conditioning system
Anti-lock brakes system
At iss high sig
At iss low sig
Axle sw sig
B10
B11
Cfan hi rly
Clu rly ctrl
Cooling fans system
Crank fuse 10a
Crank volt
Css sig
Ctrl
Cycle sig
Delivered torq
Evap canp ctrl
Evap vent ctrl
Exc seo
Fuel lev sens
Fuel lev sig
Fuel press sig
G103 (right rear of engine block)
Gnd
Ho2s htr low
Ho2s low ctrl
Hot at all times
Hot in run & start
Hot in start
Iat sig
Ign
Ign ctrl
Ign feed
Ignition coils
Ind ctrl
Instrument cluster system
Instrument panel cluster
Ipc/dic fuse 10a
Maf sig
Malfunction indicator lamp
Map sig
Mil ctrl
Nca
Nca nca
Pc sol hi ctrl
Pc sol lo ctrl
Pcm1 fuse 15a
Pmp rly ctrl
Pnk
Pnk d
Powertrain control module (left front of engine compt)
Press sens sig
Prnd c sig
Red
Red c
Ref lo
Ref low
Rpm out
S103
S151
S153
S157
S159
S160
Seo
Seo b1 fuse 15a
Spark plug
Starting/charging system
Tan
Tcc pwm ctrl
Tcc sol ctrl
Tft sens sig
Transmissions system
Underhood fuse block
Vss high sig
Vss low sig
Vss out

5.3L VIN T

5.3L VIN T, Engine Performance Wiring Diagram, Except Hybrid (1 of 5) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN T, Engine Performance Wiring Diagram, Except Hybrid (1 of 5) for GMC Sierra HD 2006 2500:

(below steering column) data link connector
(lower right rear of engine) crankshaft position (ckp) sensor
+5v
3-2 ss ctrl
A/c system
Anti-lock brakes sys
Brk sw sig
C10
Cfan lo rly
Ckp sig
Cls 2 data
Cmp sig
Cooling fans system
Cpp sw sig
D10
E10
E11
Ect sig
Electronic suspension system
Fuel injectors
G103 (right rear of engine)
Gnd
Ho2s hi sig
Ho2s lo
Hot at all times
Hot in accy, run & start
Hot in run & start
I/p fuse block
Ign
Ign 0 fuse 10a
Inj 1 ctrl
Inj 2 ctrl
Inj 3 ctrl
Inj 4 ctrl
Inj 5 ctrl
Inj 6 ctrl
Inj 7 ctrl
Inj 8 ctrl
Inj1 fuse 15a
Inj2 fuse 15a
Ks signal
Lift/dive sig
O2a fuse 15a
O2b fuse 15a
Oil lev sw sig
Pcmb fuse 20a
Pnk
Pnk a
Powertrain control module (left front of engine compt)
Prnd a sig
Prnd b sig
Prnd p sig
Range b
Range c
Red
Ref low
Ref low (a/t)
Req torq sig
Rly ctrl
S103
S110
Serial data
Sp205 (in i/p harness)
Starting/ charging system
Tan
Under- hood fuse block

5.3L VIN T, Engine Performance Wiring Diagram, Except Hybrid (2 of 5) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN T, Engine Performance Wiring Diagram, Except Hybrid (2 of 5) for GMC Sierra HD 2006 2500:

(4.8l & 5.3l)
(6.0l)
(dual tanks)
(in secondary fuel tank) fuel pump & sender assembly (secondary)
(not used)
(right rear of engine block)
Engine coolant temperature sensor (front of left cylinder head)
Engine oil level switch (right side of oil pan)
Fuel pump & sender assembly (primary) (in fuel tank)
Fuel pump relay
Fuel pump relay (secondary) (dual tanks) (in underhood fuse block)
G103
G103 (right rear of engine block)
G104 (left rear of engine block)
G110 (left front body mount)
Heated oxygen sensor (bank 1 sensor 1) (left exh pipe, before converter)
Heated oxygen sensor (bank 1 sensor 2) (left exh pipe, after converter)
Heated oxygen sensor (bank 2 sensor 1) (right exh pipe, before converter)
Heated oxygen sensor (bank 2 sensor 2) (right exh pipe, after converter)
Hot at all times
Hot in run & start
Knock sensor 1 (under intake manifold)
Knock sensor 2 (under intake manifold)
Nca
Park/neutral position switch (left side of transmission)
Pcm b fuse 20a
Pnk
Red
S103
Sba fuse 15a
Tan
Under- hood fuse block
Underhood fuse block

5.3L VIN T, Engine Performance Wiring Diagram, Except Hybrid (3 of 5) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN T, Engine Performance Wiring Diagram, Except Hybrid (3 of 5) for GMC Sierra HD 2006 2500:

(4l60e)
1-2 sol
2-3 sol
3-2 sol
A red
A/t fluid pressure manual valve position switch
Automatic transaxle
Brake fuse 10a
C12
Camshaft position sensor (top center rear of engine)
Engine oil pressure (eop) sensor (top rear of engine)
Evaporative emissions (evap) canister purge solenoid (behind throttle body)
Evaporative emissions canister vent solenoid (right front side of fuel tank)
F12
Fuel tank pressure sensor (in fuel tank)
Hot at all times
Hot in run
I/p fuse block
Manifold absolute pressure sensor (top rear of engine)
N pnk
P red
Pc sol valve
Pnk
Pnk a
Red
Red/
Rev
S (4l60e)
S125
S312
Stop lps fuse 25a
Stop- lamp switch (top of brake pedal bracket)
Tan
Tcc pwm sol
Tcc sol
Tft sensor
Under- hood fuse block
Underhood fuse block
Vehicle speed sensor (rear of transmission/ transfer case)

5.3L VIN T, Engine Performance Wiring Diagram, Except Hybrid (4 of 5) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN T, Engine Performance Wiring Diagram, Except Hybrid (4 of 5) for GMC Sierra HD 2006 2500:

(behind accelerator pedal) accelerator pedal position sensor
(in transmission) (4l80e) automatic transmission input shaft speed sensor
4ws fuse 15a
A10
Act cntrl
App sens 1
App sens 2
Cruise control system
Cruise req
Data
E11
Ect/ecm fuse 15a
G103 (right rear of engine block)
G104 (left rear of engine block)
Gnd
Ground
Hot at all times
Hot in run & start
Hot in run or start
I/p fuse block
Iat sensor
Ign
Ign0 fuse 10a
Intake air temperature (iat)/ mass airflow (maf) sensor (in air induction tube)
Pnk
R/a input
Red
Ref low
S/c input
S102
S103
Signal
Stp lp in
Tac ctrl
Tan
Throttle actuator control module (rear of engine compt)
Throttle body
Tp sens 1
Tp sens 2
Underhood fuse block
Veh stop fuse 15a

5.3L VIN T, Engine Performance Wiring Diagram, Except Hybrid (5 of 5) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN T, Engine Performance Wiring Diagram, Except Hybrid (5 of 5) for GMC Sierra HD 2006 2500:

(in engine harness)
(in ignition coil jumper harness)
(left side of engine) g102
1-2 ss ctrl
2-3 ss ctrl
4wd low sig
A/c system
A12
Air conditioning system
Anti-lock brakes system
At iss high sig
At iss low sig
Axle sw sig
B10
B11
Cfan hi rly
Clu rly ctrl
Cooling fans system
Crank fuse 10a
Crank volt
Css sig
Ctrl
Cycle sig
Delivered torq
Evap canp ctrl
Evap vent ctrl
Exc seo
Fuel lev sens
Fuel lev sig
Fuel press sig
G103 (right rear of engine block)
Gnd
Ho2s htr low
Ho2s low ctrl
Hot at all times
Hot in run & start
Hot in start
Iat sig
Ign
Ign ctrl
Ign feed
Ignition coils
Ind ctrl
Instrument cluster system
Instrument panel cluster
Ipc/dic fuse 10a
Maf sig
Malfunction indicator lamp
Map sig
Mil ctrl
Nca
Nca nca
Pc sol hi ctrl
Pc sol lo ctrl
Pcm1 fuse 15a
Pmp rly ctrl
Pnk
Pnk d
Powertrain control module (left front of engine compt)
Press sens sig
Prnd c sig
Red
Red c
Ref lo
Ref low
Rpm out
S103
S151
S153
S157
S159
S160
Seo
Seo b1 fuse 15a
Spark plug
Starting/charging system
Tan
Tcc pwm ctrl
Tcc sol ctrl
Tft sens sig
Transmissions system
Underhood fuse block
Vss high sig
Vss low sig
Vss out

5.3L VIN T, Engine Performance Wiring Diagram, Hybrid (1 of 6) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN T, Engine Performance Wiring Diagram, Hybrid (1 of 6) for GMC Sierra HD 2006 2500:

(below steering column) data link connector
(lower right rear of engine) crankshaft position (ckp) sensor
+5v
3-2 ss ctrl
A/c system
Anti-lock brakes sys
Brk sw sig
C10
Cfan lo rly
Ckp sig
Cls 2 data
Cmp sig
Cooling fans system
Cpp sw sig
D10
E10
E11
Ect sig
Electronic suspension system
F10
Fuel injectors
G103 (right rear of engine)
Gnd
Ho2s hi sig
Ho2s lo
Hot at all times
Hot in accy, run & start
Hot in run & start
I/p fuse block
Ign
Ign 0 fuse 10a
Ign b fuse 40a
Inj 1 ctrl
Inj 2 ctrl
Inj 3 ctrl
Inj 4 ctrl
Inj 5 ctrl
Inj 6 ctrl
Inj 7 ctrl
Inj 8 ctrl
Inj1 fuse 15a
Inj2 fuse 15a
Ks signal
Lift/dive sig
Oil lev sw sig
Pcmb fuse 20a
Pnk
Pnk a
Powertrain control module (left front of engine compt)
Prnd a sig
Prnd b sig
Prnd p sig
Range b
Range c
Red
Ref low
Ref low (a/t)
Req torq sig
Rly ctrl
S103
S110
S114
S131
Serial data
Sp205 (in i/p harness)
Starting/ charging system
Tan
Under- hood fuse block

5.3L VIN T, Engine Performance Wiring Diagram, Hybrid (2 of 6) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN T, Engine Performance Wiring Diagram, Hybrid (2 of 6) for GMC Sierra HD 2006 2500:

(pins 13-27 not used)
(pins 3-7 not used)
(pins 30-33 not used)
(pins 35-39 not used)
(right rear of engine block)
(right rear of engine block) g103
A/c system
Apo sw ind
Apo sw sig
Aux htr pmp rly
Class 2 data
Computer data lines system
Distribution
Engine oil level switch (right side of oil pan)
G103
Gmlan data (+)
Gmlan data (-)
Ground
Hcm-b fuse 10a
Hcm-i fuse 10a
Hood ajar sw
Hood ajar switch
Hot at all times
Hot in run and start
Hybrid control module
Hybrid o2a fuse 15a
Hybrid o2b fuse 15a
Ign 0
Ign 1
Knock sensor 1 (under intake manifold)
Knock sensor 2 (under intake manifold)
Low ref
Pnk
Power
Power distribution system
Pwr maint relay
Pwr maintn rly
Red
S103
S108
S116
Secondary underhood fuse block
Tan
Trans pmp rly
Transmissions system

5.3L VIN T, Engine Performance Wiring Diagram, Hybrid (3 of 6) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN T, Engine Performance Wiring Diagram, Hybrid (3 of 6) for GMC Sierra HD 2006 2500:

(dual tanks)
(in secondary fuel tank) fuel pump & sender assembly (secondary)
(not used)
Engine coolant temperature sensor (front of left cylinder head)
Fuel pump & sender assembly (primary) (in fuel tank)
Fuel pump relay
Fuel pump relay (secondary) (dual tanks) (in underhood fuse block)
G103 (right rear of engine block)
G104 (left rear of engine block)
G110 (left front body mount)
Heated oxygen sensor (bank 1 sensor 1) (left exh pipe, before converter)
Heated oxygen sensor (bank 1 sensor 2) (left exh pipe, after converter)
Heated oxygen sensor (bank 2 sensor 1) (right exh pipe, before converter)
Heated oxygen sensor (bank 2 sensor 2) (right exh pipe, after converter)
Hot at all times
Hot in run & start
Nca
Park/neutral position switch (left side of transmission)
Pcm b fuse 20a
Pnk
Red
S103
Sba fuse 15a
Tan
Under- hood fuse block
Underhood fuse block

5.3L VIN T, Engine Performance Wiring Diagram, Hybrid (4 of 6) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN T, Engine Performance Wiring Diagram, Hybrid (4 of 6) for GMC Sierra HD 2006 2500:

(4l60e)
1-2 sol
2-3 sol
3-2 sol
A red
A/t fluid pressure manual valve position switch
Automatic transaxle
Brake fuse 10a
C12
Camshaft position sensor (top center rear of engine)
Engine oil pressure (eop) sensor (top rear of engine)
Evaporative emissions (evap) canister purge solenoid (behind throttle body)
Evaporative emissions canister vent solenoid (right front side of fuel tank)
F12
Fuel tank pressure sensor (in fuel tank)
Hot at all times
Hot in run
I/p fuse block
Manifold absolute pressure sensor (top rear of engine)
N pnk
P red
Pc sol valve
Pnk
Pnk a
Red
Red/
Rev
S (4l60e)
S125
S312
Stop lps fuse 25a
Stop- lamp switch (top of brake pedal bracket)
Tan
Tcc pwm sol
Tcc sol
Tft sensor
Under- hood fuse block
Underhood fuse block
Vehicle speed sensor (rear of transmission/ transfer case)

5.3L VIN T, Engine Performance Wiring Diagram, Hybrid (5 of 6) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN T, Engine Performance Wiring Diagram, Hybrid (5 of 6) for GMC Sierra HD 2006 2500:

(behind accelerator pedal) accelerator pedal position sensor
(in transmission) (4l80e) automatic transmission input shaft speed sensor
4ws fuse 15a
A10
Act cntrl
App sens 1
App sens 2
Cruise control system
Cruise req
Data
E11
Ect/ecm fuse 15a
G103 (right rear of engine block)
G104 (left rear of engine block)
Gnd
Ground
Hot at all times
Hot in run & start
Hot in run or start
I/p fuse block
Iat sensor
Ign
Ign0 fuse 10a
Intake air temperature (iat)/ mass airflow (maf) sensor (in air induction tube)
Pnk
R/a input
Red
Ref low
S/c input
S102
S103
Signal
Stp lp in
Tac ctrl
Tan
Throttle actuator control module (rear of engine compt)
Throttle body
Tp sens 1
Tp sens 2
Underhood fuse block
Veh stop fuse 15a

5.3L VIN T, Engine Performance Wiring Diagram, Hybrid (6 of 6) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN T, Engine Performance Wiring Diagram, Hybrid (6 of 6) for GMC Sierra HD 2006 2500:

(in engine harness)
(in ignition coil jumper harness)
(left side of engine) g102
1-2 ss ctrl
2-3 ss ctrl
4wd low sig
A/c system
A12
Air conditioning system
Anti-lock brakes system
At iss high sig
At iss low sig
Axle sw sig
B10
B11
Cfan hi rly
Clu rly ctrl
Computer data lines system
Cooling fans system
Crank fuse 10a
Crank volt
Css sig
Ctrl
Delivered torq
Evap canp ctrl
Evap vent ctrl
Exc seo
Fuel lev sens
Fuel lev sig
Fuel press sig
G103 (right rear of engine block)
Gmlan data (+)
Gmlan data (-)
Gnd
Ho2s htr low
Ho2s low ctrl
Hot at all times
Hot in run & start
Hot in start
Iat sig
Ign
Ign ctrl
Ign feed
Ignition coils
Ind ctrl
Instrument cluster system
Instrument panel cluster
Ipc/dic fuse 10a
Maf sig
Malfunction indicator lamp
Map sig
Mil ctrl
Nca
Nca nca
Pc sol hi ctrl
Pc sol lo ctrl
Pcm1 fuse 15a
Pmp rly ctrl
Pnk
Pnk d
Powertrain control module (left front of engine compt)
Press sens sig
Prnd c sig
Red
Red c
Ref lo
Ref low
S103
S151
S153
S157
S159
S160
Seo
Seo b1 fuse 15a
Spark plug
Starting/charging system
Tan
Tcc pwm ctrl
Tcc sol ctrl
Tft sens sig
Transmissions system
Underhood fuse block
Vss high sig
Vss low sig
Vss out

5.3L VIN Z

5.3L VIN Z, Engine Performance Wiring Diagram (1 of 5) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN Z, Engine Performance Wiring Diagram (1 of 5) for GMC Sierra HD 2006 2500:

(below steering column) data link connector
(lower right rear of engine) crankshaft position (ckp) sensor
+5v
3-2 ss ctrl
A/c system
Anti-lock brakes sys
Brk sw sig
C10
Cfan lo rly
Ckp sig
Cls 2 data
Cmp sig
Cooling fans system
Cpp sw sig
D10
E10
E11
Ect sig
Electronic suspension system
Fuel injectors
G103 (right rear of engine)
Gnd
Ho2s hi sig
Ho2s lo
Hot at all times
Hot in accy, run & start
Hot in run & start
I/p fuse block
Ign
Ign 0 fuse 10a
Inj 1 ctrl
Inj 2 ctrl
Inj 3 ctrl
Inj 4 ctrl
Inj 5 ctrl
Inj 6 ctrl
Inj 7 ctrl
Inj 8 ctrl
Inj1 fuse 15a
Inj2 fuse 15a
Ks signal
Lift/dive sig
O2a fuse 15a
O2b fuse 15a
Oil lev sw sig
Pcmb fuse 20a
Pnk
Pnk a
Powertrain control module (left front of engine compt)
Prnd a sig
Prnd b sig
Prnd p sig
Range b
Range c
Red
Ref low
Ref low (a/t)
Req torq sig
Rly ctrl
S103
S110
Serial data
Sp205 (in i/p harness)
Starting/ charging system
Tan
Under- hood fuse block

5.3L VIN Z, Engine Performance Wiring Diagram (2 of 5) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN Z, Engine Performance Wiring Diagram (2 of 5) for GMC Sierra HD 2006 2500:

(4.8l & 5.3l)
(6.0l)
(dual tanks)
(in secondary fuel tank) fuel pump & sender assembly (secondary)
(not used)
(right rear of engine block)
Engine coolant temperature sensor (front of left cylinder head)
Engine oil level switch (right side of oil pan)
Fuel pump & sender assembly (primary) (in fuel tank)
Fuel pump relay
Fuel pump relay (secondary) (dual tanks) (in underhood fuse block)
G103
G103 (right rear of engine block)
G104 (left rear of engine block)
G110 (left front body mount)
Heated oxygen sensor (bank 1 sensor 1) (left exh pipe, before converter)
Heated oxygen sensor (bank 1 sensor 2) (left exh pipe, after converter)
Heated oxygen sensor (bank 2 sensor 1) (right exh pipe, before converter)
Heated oxygen sensor (bank 2 sensor 2) (right exh pipe, after converter)
Hot at all times
Hot in run & start
Knock sensor 1 (under intake manifold)
Knock sensor 2 (under intake manifold)
Nca
Park/neutral position switch (left side of transmission)
Pcm b fuse 20a
Pnk
Red
S103
Sba fuse 15a
Tan
Under- hood fuse block
Underhood fuse block

5.3L VIN Z, Engine Performance Wiring Diagram (3 of 5) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN Z, Engine Performance Wiring Diagram (3 of 5) for GMC Sierra HD 2006 2500:

(4l60e)
1-2 sol
2-3 sol
3-2 sol
A red
A/t fluid pressure manual valve position switch
Automatic transaxle
Brake fuse 10a
C12
Camshaft position sensor (top center rear of engine)
Engine oil pressure (eop) sensor (top rear of engine)
Evaporative emissions (evap) canister purge solenoid (behind throttle body)
Evaporative emissions canister vent solenoid (right front side of fuel tank)
F12
Fuel tank pressure sensor (in fuel tank)
Hot at all times
Hot in run
I/p fuse block
Manifold absolute pressure sensor (top rear of engine)
N pnk
P red
Pc sol valve
Pnk
Pnk a
Red
Red/
Rev
S (4l60e)
S125
S312
Stop lps fuse 25a
Stop- lamp switch (top of brake pedal bracket)
Tan
Tcc pwm sol
Tcc sol
Tft sensor
Under- hood fuse block
Underhood fuse block
Vehicle speed sensor (rear of transmission/ transfer case)

5.3L VIN Z, Engine Performance Wiring Diagram (4 of 5) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN Z, Engine Performance Wiring Diagram (4 of 5) for GMC Sierra HD 2006 2500:

(behind accelerator pedal) accelerator pedal position sensor
(in transmission) (4l80e) automatic transmission input shaft speed sensor
4ws fuse 15a
A10
Act cntrl
App sens 1
App sens 2
Cruise control system
Cruise req
Data
E11
Ect/ecm fuse 15a
G103 (right rear of engine block)
G104 (left rear of engine block)
Gnd
Ground
Hot at all times
Hot in run & start
Hot in run or start
I/p fuse block
Iat sensor
Ign
Ign0 fuse 10a
Intake air temperature (iat)/ mass airflow (maf) sensor (in air induction tube)
Pnk
R/a input
Red
Ref low
S/c input
S102
S103
Signal
Stp lp in
Tac ctrl
Tan
Throttle actuator control module (rear of engine compt)
Throttle body
Tp sens 1
Tp sens 2
Underhood fuse block
Veh stop fuse 15a

5.3L VIN Z, Engine Performance Wiring Diagram (5 of 5) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN Z, Engine Performance Wiring Diagram (5 of 5) for GMC Sierra HD 2006 2500:

(in engine harness)
(in ignition coil jumper harness)
(left side of engine) g102
1-2 ss ctrl
2-3 ss ctrl
4wd low sig
A/c system
A12
Air conditioning system
Anti-lock brakes system
At iss high sig
At iss low sig
Axle sw sig
B10
B11
Cfan hi rly
Clu rly ctrl
Cooling fans system
Crank fuse 10a
Crank volt
Css sig
Ctrl
Cycle sig
Delivered torq
Evap canp ctrl
Evap vent ctrl
Exc seo
Fuel lev sens
Fuel lev sig
Fuel press sig
G103 (right rear of engine block)
Gnd
Ho2s htr low
Ho2s low ctrl
Hot at all times
Hot in run & start
Hot in start
Iat sig
Ign
Ign ctrl
Ign feed
Ignition coils
Ind ctrl
Instrument cluster system
Instrument panel cluster
Ipc/dic fuse 10a
Maf sig
Malfunction indicator lamp
Map sig
Mil ctrl
Nca
Nca nca
Pc sol hi ctrl
Pc sol lo ctrl
Pcm1 fuse 15a
Pmp rly ctrl
Pnk
Pnk d
Powertrain control module (left front of engine compt)
Press sens sig
Prnd c sig
Red
Red c
Ref lo
Ref low
Rpm out
S103
S151
S153
S157
S159
S160
Seo
Seo b1 fuse 15a
Spark plug
Starting/charging system
Tan
Tcc pwm ctrl
Tcc sol ctrl
Tft sens sig
Transmissions system
Underhood fuse block
Vss high sig
Vss low sig
Vss out

6.0L VIN N

6.0L VIN N, Engine Performance Wiring Diagram (1 of 5) for GMC Sierra HD 2006 2500

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List of elements for 6.0L VIN N, Engine Performance Wiring Diagram (1 of 5) for GMC Sierra HD 2006 2500:

(below steering column) data link connector
(lower right rear of engine) crankshaft position (ckp) sensor
+5v
3-2 ss ctrl
A/c system
Anti-lock brakes sys
Brk sw sig
C10
Cfan lo rly
Ckp sig
Cls 2 data
Cmp sig
Cooling fans system
Cpp sw sig
D10
E10
E11
Ect sig
Electronic suspension system
Fuel injectors
G103 (right rear of engine)
Gnd
Ho2s hi sig
Ho2s lo
Hot at all times
Hot in accy, run & start
Hot in run & start
I/p fuse block
Ign
Ign 0 fuse 10a
Inj 1 ctrl
Inj 2 ctrl
Inj 3 ctrl
Inj 4 ctrl
Inj 5 ctrl
Inj 6 ctrl
Inj 7 ctrl
Inj 8 ctrl
Inj1 fuse 15a
Inj2 fuse 15a
Ks signal
Lift/dive sig
O2a fuse 15a
O2b fuse 15a
Oil lev sw sig
Pcmb fuse 20a
Pnk
Pnk a
Powertrain control module (left front of engine compt)
Prnd a sig
Prnd b sig
Prnd p sig
Range b
Range c
Red
Ref low
Ref low (a/t)
Req torq sig
Rly ctrl
S103
S110
Serial data
Sp205 (in i/p harness)
Starting/ charging system
Tan
Under- hood fuse block

6.0L VIN N, Engine Performance Wiring Diagram (2 of 5) for GMC Sierra HD 2006 2500

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List of elements for 6.0L VIN N, Engine Performance Wiring Diagram (2 of 5) for GMC Sierra HD 2006 2500:

(4.8l & 5.3l)
(6.0l)
(dual tanks)
(in secondary fuel tank) fuel pump & sender assembly (secondary)
(not used)
(right rear of engine block)
Engine coolant temperature sensor (front of left cylinder head)
Engine oil level switch (right side of oil pan)
Fuel pump & sender assembly (primary) (in fuel tank)
Fuel pump relay
Fuel pump relay (secondary) (dual tanks) (in underhood fuse block)
G103
G103 (right rear of engine block)
G104 (left rear of engine block)
G110 (left front body mount)
Heated oxygen sensor (bank 1 sensor 1) (left exh pipe, before converter)
Heated oxygen sensor (bank 1 sensor 2) (left exh pipe, after converter)
Heated oxygen sensor (bank 2 sensor 1) (right exh pipe, before converter)
Heated oxygen sensor (bank 2 sensor 2) (right exh pipe, after converter)
Hot at all times
Hot in run & start
Knock sensor 1 (under intake manifold)
Knock sensor 2 (under intake manifold)
Nca
Park/neutral position switch (left side of transmission)
Pcm b fuse 20a
Pnk
Red
S103
Sba fuse 15a
Tan
Under- hood fuse block
Underhood fuse block

6.0L VIN N, Engine Performance Wiring Diagram (3 of 5) for GMC Sierra HD 2006 2500

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List of elements for 6.0L VIN N, Engine Performance Wiring Diagram (3 of 5) for GMC Sierra HD 2006 2500:

(4l60e)
1-2 sol
2-3 sol
3-2 sol
A red
A/t fluid pressure manual valve position switch
Automatic transaxle
Brake fuse 10a
C12
Camshaft position sensor (top center rear of engine)
Engine oil pressure (eop) sensor (top rear of engine)
Evaporative emissions (evap) canister purge solenoid (behind throttle body)
Evaporative emissions canister vent solenoid (right front side of fuel tank)
F12
Fuel tank pressure sensor (in fuel tank)
Hot at all times
Hot in run
I/p fuse block
Manifold absolute pressure sensor (top rear of engine)
N pnk
P red
Pc sol valve
Pnk
Pnk a
Red
Red/
Rev
S (4l60e)
S125
S312
Stop lps fuse 25a
Stop- lamp switch (top of brake pedal bracket)
Tan
Tcc pwm sol
Tcc sol
Tft sensor
Under- hood fuse block
Underhood fuse block
Vehicle speed sensor (rear of transmission/ transfer case)

6.0L VIN N, Engine Performance Wiring Diagram (4 of 5) for GMC Sierra HD 2006 2500

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List of elements for 6.0L VIN N, Engine Performance Wiring Diagram (4 of 5) for GMC Sierra HD 2006 2500:

(behind accelerator pedal) accelerator pedal position sensor
(in transmission) (4l80e) automatic transmission input shaft speed sensor
4ws fuse 15a
A10
Act cntrl
App sens 1
App sens 2
Cruise control system
Cruise req
Data
E11
Ect/ecm fuse 15a
G103 (right rear of engine block)
G104 (left rear of engine block)
Gnd
Ground
Hot at all times
Hot in run & start
Hot in run or start
I/p fuse block
Iat sensor
Ign
Ign0 fuse 10a
Intake air temperature (iat)/ mass airflow (maf) sensor (in air induction tube)
Pnk
R/a input
Red
Ref low
S/c input
S102
S103
Signal
Stp lp in
Tac ctrl
Tan
Throttle actuator control module (rear of engine compt)
Throttle body
Tp sens 1
Tp sens 2
Underhood fuse block
Veh stop fuse 15a

6.0L VIN N, Engine Performance Wiring Diagram (5 of 5) for GMC Sierra HD 2006 2500

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List of elements for 6.0L VIN N, Engine Performance Wiring Diagram (5 of 5) for GMC Sierra HD 2006 2500:

(in engine harness)
(in ignition coil jumper harness)
(left side of engine) g102
1-2 ss ctrl
2-3 ss ctrl
4wd low sig
A/c system
A12
Air conditioning system
Anti-lock brakes system
At iss high sig
At iss low sig
Axle sw sig
B10
B11
Cfan hi rly
Clu rly ctrl
Cooling fans system
Crank fuse 10a
Crank volt
Css sig
Ctrl
Cycle sig
Delivered torq
Evap canp ctrl
Evap vent ctrl
Exc seo
Fuel lev sens
Fuel lev sig
Fuel press sig
G103 (right rear of engine block)
Gnd
Ho2s htr low
Ho2s low ctrl
Hot at all times
Hot in run & start
Hot in start
Iat sig
Ign
Ign ctrl
Ign feed
Ignition coils
Ind ctrl
Instrument cluster system
Instrument panel cluster
Ipc/dic fuse 10a
Maf sig
Malfunction indicator lamp
Map sig
Mil ctrl
Nca
Nca nca
Pc sol hi ctrl
Pc sol lo ctrl
Pcm1 fuse 15a
Pmp rly ctrl
Pnk
Pnk d
Powertrain control module (left front of engine compt)
Press sens sig
Prnd c sig
Red
Red c
Ref lo
Ref low
Rpm out
S103
S151
S153
S157
S159
S160
Seo
Seo b1 fuse 15a
Spark plug
Starting/charging system
Tan
Tcc pwm ctrl
Tcc sol ctrl
Tft sens sig
Transmissions system
Underhood fuse block
Vss high sig
Vss low sig
Vss out

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for Back-up Lamps Wiring Diagram for GMC Sierra HD 2006 2500:

(2500 w/ hvy, 3500 w/o crew cab) (1500, 2500 w/o hvy) (3500 w/ crew cab)
(2500 w/ hvy, 3500 w/o crew cab: left side of fuel tank) (1500, 2500 w/o hvy: on spare tire hoist bracket) (3500 w/ crew cab: on left rear body mount)
(left side of transmission) back-up lamp switch
(near left kick panel) i/p relay block
A/t
A11
B/u lmp vlt
B/u lmps sig
B/u lp fuse 20a
Back-up alarm
Body control module (bcm) (on lower left side of dash, below steering column)
F10
G302 g401 g403
G403 (on left rear body mount)
Hot in run or start
Left back-up lamp
M/t
Park/neutral position (pnp) switch (left side of transmission)
Pnk
Rear lamps junction block
Right back-up lamp
Trailer connector
Trlr b/u fuse 10a
Underhood fuse block (left side of eng compt)

Exterior Lamps Wiring Diagram (1 of 3) for GMC Sierra HD 2006 2500

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List of elements for Exterior Lamps Wiring Diagram (1 of 3) for GMC Sierra HD 2006 2500:

(2500 hd, 3500 w/o crew cab) (1500, 2500) (3500 w/ crew cab)
(2500 hd, 3500 w/o crew cab: left side of fuel tank) (1500, 2500: on spare tire hoist bracket) (3500 w/ crew cab: on left rear body mount)
Auto
Back-up lamps circuit
Body control module (bcm) (on lower left side of dash, below steering column)
C2 b2
Computer data lines system
D10
Emergency vehicle roof lamp relay
F11
Frt park fuse 10a
G100 (lower left radiator support)
G200 (behind right side of dash, near right "a" pillar)
G203 (behind left side of dash, near left "a" pillar)
G302 g401 g403
G403 (on left rear body mount)
Hazard switch
Head
Headlamp switch
Hot at all times
Hot in run and start
I/p relay block
Ign e fuse 10a
Left
Left front marker lamp
Left front park/ turn signal lamp
Off
Park
Park lamp relay
Pnk
Prk lmp on
Prk lmp rly
Red
Right
Right front marker lamp
Right front park/ turn signal lamp
S100
S101
S215
S217
S412 (left rear lamp harn)
S413 (right rear lamp harn)
S414
S415
S416
S417 (in camper 5th wheel harn, near trailer connector breakout)
S418
Serial data
Stud 1 fuse 40a
Stud 2 fuse 30a
To trl park fuse (diagram 2 0f 3)
Trailer connector
Turn signal/ multi- function switch
Under- hood fuse block (on left side of engine compt)

Exterior Lamps Wiring Diagram (2 of 3) for GMC Sierra HD 2006 2500

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List of elements for Exterior Lamps Wiring Diagram (2 of 3) for GMC Sierra HD 2006 2500:

(2500 hd, 3500 w/o crew cab) (1500, 2500) (3500 w/ crew cab)
(2500 hd, 3500 w/o crew cab: left side of fuel tank) (1500, 2500: on spare tire hoist bracket) (3500 w/ crew cab: on left rear body mount)
(not used)
(w/ roof marker lamps)
(w/ dual rear axle)
(w/ pto)
(w/o dual rear axle)
A c3
A12
Beacon lighting
C1 b
C1 d
C1 g
C1 h
C2 d
C210
C3 b6
C3 d
C3 h
C4 f
D12
E11
F12
From a frt park fuse (diagram 1 0f 3)
Fusible link
G200 (behind right side of dash, near right "a" pillar)
G302 g401 g403
G304 (except crewcab) (under right front seat)
G305 (crewcab) (on left "b" pillar)
Hot at all times
I/p relay block
Int park fuse 10a
Interior lights system
Lamp harn)
Left front clear- ance lamp
Left license lamp
Left rear clear- ance lamp
Left rear turn signal
Left tail/ stop- lamp
Lighting
Lr park fuse 10a
Rear lamps junction block
Red
Right front clear- ance lamp
Right i/p fuse block
Right license lamp
Right rear clear- ance lamp
Right rear turn signal
Right tail/ stop- lamp
Roof beacon relay (at lower left "b" pillar
Roof beacon switch
Rr park fuse 10a
S206 (in i/p harn)
S215
S219 (in brake clutch harn)
S420 (in license lamp harn)
S423
S424
Seo b1 fuse 15a
Seo b2 fuse 30a
Stop lp fuse 25a
Stop- lamp switch
Tailgate marker lamp
Trl park fuse 10a
Under- hood fuse block (on left side of engine compt)
Vehicle roof lamp lighting
W/ emergency
W/ roof
W/ wrecker
W/dual rear axle
W/o dual rear axle
Wrecker relay

Exterior Lamps Wiring Diagram (3 of 3) for GMC Sierra HD 2006 2500

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List of elements for Exterior Lamps Wiring Diagram (3 of 3) for GMC Sierra HD 2006 2500:

(behind right side of dash, near right "a" pillar)
(behind right side of dash, near right "a" pillar) g200
(w/ level 3 convenience package)
(wire color may vary)
4.3l w/k34
A10
A11
Battery
C10
C3 e1
C6 right i/p fuse block
Center high mounted stop lamp (chmsl)
Clearance lamps
Computer data lines system
Cruise control module
D10
Driver door module (ddm) (in driver's door)
Driver outside rearview mirror
E10
Ext- erior illum lamp
F10
F3 (not used)
Flash fuse 25a
Front passenger door module (fpdm) (in right front door)
G200
G200 (behind right side of dash, near right "a" pillar)
G203 (behind left side of dash, near left "a" pillar)
Ground
Hazard sw
Hot at all times
I/p relay block
I/p relay block (near left kick panel)
Instrument panel cluster (ipc)
Left i/p fuse block (on lower left side of dash)
Left roof marker lamp
Left turn ind
Logic
Lr lamp volt
Lt door lmp gnd
Lt door lmp pwr
Lt trlr st/turn fuse 10a
Lt turn fuse 10a
Lt turn sig
Lt turn sig volt
Passenger outside rearview mirror
Red
Right i/p fuse block
Right roof marker lamp
Right turn ind
Rr lamp volt
Rt door lmp gnd
Rt door lmp pwr
Rt trlr st/turn fuse 10a
Rt turn fuse 10a
Rt turn sig
Rt turn sig volt
S200
S201 (at roof marker light)
S202
S205
S345
Serial data
Stoplamp sw
Tan
Throttle actuator control module
Turn ind
Turn signal/flasher module
Under- hood fuse block
Veh chmsl fuse 10a
Veh stop fuse 15a

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram, Except Hybrid (1 of 4) for GMC Sierra HD 2006 2500

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List of elements for Ground Distribution Wiring Diagram, Except Hybrid (1 of 4) for GMC Sierra HD 2006 2500:

(except 4.3l: left side
(gas) (right front of engine block)
(ground strap from engine to frame rail)
(right rear of engine block)
(right side of dash) mobile radio fuse block
4.3l engine
6.6l
6.6l (w/ allison) transmission control module
8.1l
A/c compressor clutch
A/c low pressure switch
Auxiliary battery relay
Battery (left)
Battery (right)
Brake fluid level switch
Brake pressure differential switch
Coolant level switch
Daytime running lamp (drl) (left)
Daytime running lamp (drl) (right)
Diesel
Engine control module
Except 4.3l base
Except 4.3l engine
Except 6.6l
Except 8.1l
Except jc4
F/pmp relay
F11
Fog lamp (left)
Fog lamp (right)
G100 (lower left radiator support)
G102 (diesel) (right side of engine block)
G102 (gas) (4.3l: lower right front of engine block)
G103 (gas)
G104 (left rear of engine block)
G106
G107
Gas
Gas exc 4.3l
High beam headlamp (left)
High beam headlamp (right)
Horn (left)
Horn (right)
Ign 1 relay (gas)
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Ignition coil 5
Ignition coil 6
Ignition coil 7
Ignition coil 8
Ignition control module
Jc4
Low beam headlamp (left)
Low beam headlamp (right)
Of engine block)
Park/ neutral position switch
Park/turn signal lamp (left front)
Park/turn signal lamp (right front)
S102 (in engine harness)
S104 (in engine harness)
S156 (in engine harness)
S157 (in engine harness)
S223 (in seo harness)
Starter relay (diesel)
Throttle actuator control module
Underhood fuse block (left side of engine compt)
Upfitter option
W/ dual horns
W/aux battery
W/pto
Washer fluid level sensor
Windshield washer fluid pump

Ground Distribution Wiring Diagram, Except Hybrid (2 of 4) for GMC Sierra HD 2006 2500

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List of elements for Ground Distribution Wiring Diagram, Except Hybrid (2 of 4) for GMC Sierra HD 2006 2500:

(10 series) generator battery control module
(exc flex fuel) c
(flex fuel) a
(upfitter option) roof beacon relay
(upfitter option) roof mounted beacon
8.1l
8.1l (w/ allison) transmission control module
Active & elect shift transfer case
Active & manual shift transfer case
Bucket
C1 a
C2 a
C2 d
C3 a
Ckp sensor shield
Cmp sensor shield
Crew cab
Diesel
Driver seat adjuster switch
Dual tanks
Electronic brake control module
Engine oil level switch
Exc 8.1l w/o calif lev
Except 8.1l
Except crew cab
Front axle actuator
Fuel heater
Fuel pressure regulator shield
Fuel pressure sensor shield
Fuel pump
Fuel pump & sender assembly (primary)
Fuel pump & sender assembly (secondary)
G103 (diesel) (right rear of engine block)
G103 (gas) (right rear of engine block)
G108 (diesel) (lower left side of engine)
G110 (left front body mount)
G304 (except crew cab) (under right front seat)
G305 (crew cab) (left "b" pillar)
G306 (on right "b" pillar)
G390 (near "c" pillar)
Gas
Glow plug control module
Inflatable restraint passenger presence system module
Inflatable restraint sensing & diagnostic module
Intake air temperature (iat)/mass airflow (maf) sensor
Left rear door latch assembly
Manual shift transfer case
Memory seat module
Memory seat module (driver)
Nca
Non- bucket
Park/ neutral position switch
Powertrain control module
Rear window defogger grid
Red
Right rear door latch assembly
S103 (in engine harness)
S110 (in engine harness)
S132 (in engine harness)
S170
S171
S174
S175
S176
S177
S329 (in passenger seat harness)
Seat adjuster switch (passenger)
Seat bolster/ lumbar switch (front passenger)
Transfer case shift control motor
Transfer case shift control switch
Water in fuel sensor
Window switch (right rear)
Window switch) (left rear)

Ground Distribution Wiring Diagram, Except Hybrid (3 of 4) for GMC Sierra HD 2006 2500

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List of elements for Ground Distribution Wiring Diagram, Except Hybrid (3 of 4) for GMC Sierra HD 2006 2500:

(2500 hd, 3500 w/o crew cab) (1500, 2500) (3500 w/ crew cab)
(2500 hd, 3500 w/o crew cab: left side of fuel tank) (1500, 2500: on spare tire hoist bracket) (3500 w/ crew cab: on left rear body mount)
(7 way) trailer connector
(base) window/ door lock switch (driver)
(crew cab) backup alarm
(except luxury)
(if equipped) left front shock absorber solenoid
(if equipped) right front shock absorber solenoid
(in steering wheel controls harness) s260
(left front)
(left rear)
(luxury) rear seat entertainment assembly
(luxury) vehicle communication interface module
(right front)
(right rear)
A12
Audio amplifier
B12
Back-up alarm
Backup lamp (left)
Backup lamp (right)
Body control module
C (gmc)
C1 a8
C1 c5
C1 d10
C1 e
C2 a
C2 b6
C3 b6
Camper/ 5th wheel trailer wiring provision
Chevy
Clearance lamps
Cruise control module
Data link connector
Digital radio receiver
E (chevy)
Four wheel steering
From i/p relay block a (diagram 3 of 4)
G203 (near left "a" pillar)
G302 g401 g403
Gmc
Hazard lamps switch
Headlamp dimmer switch
Headlamp switch
Hvac control module
I/p fuse block (lower left side of dash)
I/p junction block (right side of dash)
I/p relay block (near left kick panel)
Ignition key alarm switch
Inflatable restraint steering wheel module coil
Instrument panel cluster
Lamps switch
Left rear turn signal lamp
License lamp (left)
License lamp (right)
Luxury
Multi- function accessory switch
Nca
Radio
Rear lamps junction block (inside of left rear frame rail)
Rear seat audio controller
Rear seat entertainment assembly
Remote playback device (cd player)
Right rear turn signal lamp
S213 (in i/p harness)
S216 (in steering column harness)
S217 (in steering column harn)
S320
S413 (right rear lamp harn)
S423
S424
Steering wheel control switch assembly (lower left)
Steering wheel control switch assembly (lower right)
Steering wheel control switch assembly (upper left)
Steering wheel control switch assembly (upper right)
Steering wheel speed/ position sensor
Tail/stop lamp (left)
Tail/stop lamp (right)
Tailgate marker lamp
Tan
Tire pressure monitor module
To i/p relay block (diagram 3 of 4)
Tow/haul switch
Traction control switch
Transfer case shift control module
Transmission shift select switch
Turn signal/ hazard flasher module
Turn signal/ multifunction switch
Vehicle communication interface module
Window/ door lock switch (passenger)

Ground Distribution Wiring Diagram, Except Hybrid (4 of 4) for GMC Sierra HD 2006 2500

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List of elements for Ground Distribution Wiring Diagram, Except Hybrid (4 of 4) for GMC Sierra HD 2006 2500:

(auto a/c) air temp sensor assembly (inside front)
(auto a/c) air temp sensor assembly (inside rear)
(base) driver unlock relay
(except bose or luxury) auxiliary power outlet (front)
(except bose or luxury) cigar lighter
(if equipped) inflatable restraint disable switch
(if equipped) power takeoff switch
(if equipped) selectable ride switch
(m/t diesel) clutch start switch
(not used)
(upfitter option) emergency vehicle roof lamp relay
(upfitter option) roof beacon switch
(upfitter option) wrecker relay
(w conv package) driver door module
(w conv package) passenger door module
(w/o conv package) door latch assembly (driver)
(w/o conv package) door latch assembly (passenger)
(w/o conv package) window/ door lock switch (driver)
(w/o conv package) window/ door lock switch (passenger)
10 series
A/t shift lock solenoid
A12
Auto a/c
Auxiliary power outlet (bin)
Auxiliary power outlet (console)
Auxiliary power outlet (front)
Blower motor control processor
Blower motor resistor assembly
C1 2f
C1 a
C1 b9
C1 d
C1 f6
C2 a
C2 d
C3 c
C355 b
C4 a
C5 e
C7 f
C8 f
C9 a
Center high mounted stop lamp
Cigar lighter
Clearance lamps
Cool/fan relay
Data link connector
Dome lamp (front)
Dome/ reading lamp (rear)
Exc luxury
G115 (right rear of engine compt)
G200 (behind right side of dash, near right "a" pillar)
Hd trailering equipment provision
Headlamp switch
Hvac control module
I/p fuse block (lower left side of dash)
I/p junction block (lower right side of dash)
I/p relay block (near left kick panel)
Inside rearview mirror
Instrument panel cluster
Lock relay
Luxury
Man a/c
Overhead console
Pnk
Rear wheel steering switch
Recirculation actuator
Right cooling fan
Roof marker lamp (left)
Roof marker lamp (right)
S205
S215 (in brake clutch harness)
S345
S352
Sunroof control module
Sunroof switch
Transfer case shift control switch
Underhood cooling fan fuse block (left side of engine compt)
Unlock relay
Vanity mirror lamp (left)
Vanity mirror lamp (right)
W/ 5 lamp roof marker
W/o 5 lamp roof marker
Windshield wiper motor module

Ground Distribution Wiring Diagram, Hybrid (1 of 5) for GMC Sierra HD 2006 2500

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List of elements for Ground Distribution Wiring Diagram, Hybrid (1 of 5) for GMC Sierra HD 2006 2500:

(ground strap from engine to frame rail)
(left side of engine block)
(m33) automatic transmission
A/c compressor clutch
A/c low pressure switch
Auxiliary battery relay
Auxiliary heater pump
Battery (left)
Brake fluid level switch
Brake pressure differential switch
Daytime running lamp (drl) (left)
Daytime running lamp (drl) (right)
Except jc4
F/pmp relay
Fog lamp (left)
Fog lamp (right)
G100 (lower left radiator support)
G102
G104 (left rear of engine block)
G107
High beam headlamp (left)
High beam headlamp (right)
Horn (left)
Horn (right)
Ign 1 relay
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Ignition coil 5
Ignition coil 6
Ignition coil 7
Ignition coil 8
Jc4
Low beam headlamp (left)
Low beam headlamp (right)
Mobile radio fuse block (right side of dash)
Park/turn signal lamp (left front)
Park/turn signal lamp (right front)
S102 (in engine harness)
S104 (in engine harness)
S156 (in engine harness)
S157 (in engine harness)
S223 (in seo harness)
Starter/ generator control module coolant pump
Throttle actuator control module
To starter/ generator control module (diagram 5 of 5)
Underhood fuse block (left side of engine compt)
Upfitter option
W/ dual horns
W/aux battery
W/pto
Washer fluid level sensor
Windshield washer fluid pump

Ground Distribution Wiring Diagram, Hybrid (2 of 5) for GMC Sierra HD 2006 2500

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List of elements for Ground Distribution Wiring Diagram, Hybrid (2 of 5) for GMC Sierra HD 2006 2500:

(upfitter option) roof beacon relay
(upfitter option) roof mounted beacon
(w/ allison) transmission control module
Active & elect shift transfer case
Active & manual shift transfer case
Battery (right)
Bucket
C1 a
C2 a
C2 d
C3 a
Crew cab
Driver seat adjuster switch
Dual tanks
Electro hydraulic power steering module
Electronic brake control module
Engine oil level switch
Except crew cab
Front axle actuator
Fuel pump & sender assembly (primary)
Fuel pump & sender assembly (secondary)
G103 (right rear of engine block)
G110 (left front body mount)
G304 (under right front seat)
G305 (crew cab) (left "b" pillar)
G306 (on right "b" pillar)
G390 (near "c" pillar)
Gas w/aux battery
Hybrid control module
Inflatable restraint passenger presence system module
Inflatable restraint sensing & diagnostic module
Intake air temperature (iat)/mass airflow (maf) sensor
Left rear door latch assembly
Manual shift transfer case
Memory seat module
Memory seat module (driver)
Nca
Non- bucket
Park/ neutral position switch
Powertrain control module
Rear window defogger grid
Right rear door latch assembly
S103 (in engine harness)
S110 (in engine harness)
S329 (in passenger seat harness)
Seat adjuster switch (passenger)
Seat bolster/ lumbar switch (front passenger)
Transfer case shift control motor
Transfer case shift control switch
Window switch (right rear)
Window switch) (left rear)

Ground Distribution Wiring Diagram, Hybrid (3 of 5) for GMC Sierra HD 2006 2500

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List of elements for Ground Distribution Wiring Diagram, Hybrid (3 of 5) for GMC Sierra HD 2006 2500:

(7 way) trailer connector
(base) window/ door lock switch (driver)
(except luxury)
(if equipped) left front shock absorber solenoid
(if equipped) right front shock absorber solenoid
(in steering wheel controls harness) s260
(left front)
(left rear)
(luxury) rear seat entertainment assembly
(luxury) vehicle communication interface module
(right front)
(right rear)
A12
Audio amplifier
B12
Backup lamp (left)
Backup lamp (right)
Body control module
C (gmc)
C1 a8
C1 c5
C1 d10
C1 e
C2 a
C2 b6
C3 b6
Chevy
Clearance lamps
Cruise control module
Data link connector
Digital radio receiver
E (chevy)
Electro- hydraulic power steering module
Four wheel steering
From i/p relay block b (diagram 3 of 5)
G203 (near left "a" pillar)
G401 (on spare tire hoist bracket)
Gmc
Hazard lamps switch
Headlamp dimmer switch
Headlamp switch
Hvac control module
I/p fuse block (lower left side of dash)
I/p junction block (right side of dash)
I/p relay block (near left kick panel)
Ignition key alarm switch
Inflatable restraint steering wheel module coil
Instrument panel cluster
Lamps switch
Left rear turn signal lamp
License lamp (left)
License lamp (right)
Luxury
Multi- function accessory switch
Nca
Radio
Rear lamps junction block (inside of left rear frame rail)
Rear seat audio controller
Rear seat entertainment assembly
Remote playback device (cd player)
Right rear turn signal lamp
S213 (in i/p harness)
S216 (in steering column harness)
S217 (in steering column harn)
S320
S423
S424
Steering wheel control switch assembly (lower left)
Steering wheel control switch assembly (lower right)
Steering wheel control switch assembly (upper left)
Steering wheel control switch assembly (upper right)
Steering wheel speed/ position sensor
Tail/stop lamp (left)
Tail/stop lamp (right)
Tailgate marker lamp
Tan
Tire pressure monitor (tpm) module
To i/p relay block (diagram 3 of 5)
Tow/haul switch
Traction control switch
Transfer case shift control module
Transmission shift select switch
Turn signal/ hazard flasher module
Turn signal/ multifunction switch
Vehicle communication interface module
Window/ door lock switch (passenger)

Ground Distribution Wiring Diagram, Hybrid (4 of 5) for GMC Sierra HD 2006 2500

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List of elements for Ground Distribution Wiring Diagram, Hybrid (4 of 5) for GMC Sierra HD 2006 2500:

(auto a/c) air temp sensor assembly (inside front)
(auto a/c) air temp sensor assembly (inside rear)
(base) driver unlock relay
(except bose or luxury) auxiliary power outlet (front)
(except bose or luxury) cigar lighter
(if equipped) inflatable restraint disable switch
(if equipped) power takeoff switch
(if equipped) selectable ride switch
(not used)
(upfitter option) emergency vehicle roof lamp relay
(upfitter option) roof beacon switch
(upfitter option) wrecker relay
(w conv package) driver door module
(w conv package) passenger door module
(w/o conv package) door latch assembly (driver)
(w/o conv package) door latch assembly (passenger)
(w/o conv package) window/ door lock switch (driver)
(w/o conv package) window/ door lock switch (passenger)
A12
Auto a/c
Automatic transmission shift lock solenoid
Auxiliary power outlet (bin)
Auxiliary power outlet (console)
Auxiliary power outlet (front)
Auxiliary power outlet switch
Blower motor control processor
Blower motor resistor assembly
C1 2f
C1 a
C1 b9
C1 d
C1 d9
C1 f6
C2 a
C2 d
C3 c
C355 b
C4 a
C5 e
C7 f
C8 f
C9 a
Center high mounted stop lamp
Cigar lighter
Cool/fan relay
Data link connector
Dome lamp (front)
Dome/ reading lamp (rear)
Exc luxury
G115 (right rear of engine compt)
G200 (behind right side of dash, near right "a" pillar)
Hd trailering equipment provision
Headlamp switch
Hvac control module
I/p fuse block (lower left side of dash)
I/p junction block (lower right side of dash)
I/p relay block (near left kick panel)
Inside rearview mirror
Instrument panel cluster
Lock relay
Luxury
Man a/c
Overhead console
Rear wheel steering switch
Recirculation actuator
Right cooling fan
S205
S215 (in brake clutch harness)
S345
S352
Sunroof control module
Sunroof switch
Transfer case shift control switch
Underhood cooling fan fuse block (left side of engine compt)
Unlock relay
Vanity mirror lamp (left)
Vanity mirror lamp (right)
Windshield wiper motor module

Ground Distribution Wiring Diagram, Hybrid (5 of 5) for GMC Sierra HD 2006 2500

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List of elements for Ground Distribution Wiring Diagram, Hybrid (5 of 5) for GMC Sierra HD 2006 2500:

(in 42v harness)
110v harness shield
42v harness shield
B c1
B c3
B c341
D c5
Ehps 42v harness shield
Electro- hydraulic power steering module
Energy storage box
Energy storage control module
Epto harness shield
Epto outlet shield
From left battery (diagram 1 of 5)
G120 (right rear of eng compt)
G121 (right rear of eng compt)
G122 (left front of engine)
G310 (in energy storage box)
G311 (in energy storage box)
G405 (right rear frame rail)
Nca
S120
S124 (20.5 cm from c118)
S128 (5 cm from c122 breakout)
S129 (5 cm from ehps pump conn breakout)
S130 (19 cm from starter/ generator control module conn)
S134 (45 cm from c140 breakout)
S326 (in 42v harness)
S327 (15 cm from c341)
S430 (in the 120v nca harness)
S431 (in epto outlet pigtail)
Starter/ generator control module (right rear of engine compt)

HEADLIGHTS

Headlights Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for Headlights Wiring Diagram for GMC Sierra HD 2006 2500:

(w/ cj2)
(w/o cj2)
A12
Ambient light sensor (on top center of dash) (w/o cj2)
Ambient light sunload sensor assembly (top of instrument panel) (w/ cj2)
Ambient lt sens
Auto
Body control module (bcm) (on lower left side of dash, below steering column)
Drl defeat
Drl fuse 10a
Drl relay
Drl rly ctrl
Drl sw sig
Flash to pass
Fog lamp switch
Fog lp fuse 15a
Fog lp relay
Fog lp rly ctrl
Fog lp sw sig
G100 (on lower left radiator support)
G104 (left rear of eng block) g106 (on right front of engine block)
G203 (near left "a" pillar)
Gasoline diesel
Hdlp dim sw sig
Hdlp hi relay
Hdlp low relay
Head
Headlamp switch
Hi bm rly ctrl
Hi hdlp lt fuse 10a
Hi hdlp rt fuse 10a
Hi/lo beam select
Hlps on sig
Hot at all times
I/p relay block (near left kick panel)
Interior lights system
Left daytime running lamp
Left front fog lamp
Left high beam head- lamp
Left low beam head- lamp
Lo bm rly ctrl
Lo hdlp lt fuse 10a
Lo hdlp rt fuse 10a
Low ref
Multifunction accessory switch
Park
Park brake switch (part of park brake assembly)
Pk brake sig
Right daytime running lamp
Right front fog lamp
Right high beam head- lamp
Right low beam head- lamp
S100
S101
S102
S213
S217
Tan
Turn signal multifunction switch
Underhood fuse block (left side of engine compt)

HORN

Horn Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for Horn Wiring Diagram for GMC Sierra HD 2006 2500:

Body control module (behind lower left side of dash)
C2 b9
G c1
G100 (on lower left radiator support)
Horn contact
Horn fuse 15a
Horn relay
Horn relay control
Hot at all times
Left horn (left side of radiator support)
Nca
Right horn (right side of radiator support)
S100
S101
Turn signal cancel cam
Turn signal/ multifunction switch
Underhood fuse block (on left side of engine compartment)

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram (1 of 2) for GMC Sierra HD 2006 2500

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List of elements for Instrument Cluster Wiring Diagram (1 of 2) for GMC Sierra HD 2006 2500:

(diesel)
8s8
A10
A11
A12
Abs ind
Air bag ind
B10
B11
B12
Battery
Body control module (bcm) (on lower left side of dash, below steering column)
Brake
Brake ind
C1 lamp
Cargo lamp ind
Charge
Class 2 data
Computer data lines system
Coolant temp gauge
Cruise ind
Dic fuel sig
Dic mode sw
Dic sw sig
Dic toggle sw
Driver information center (dic)
Eng speed sig
Except 8s8
Exterior lights system
Fuel gauge
G100 (on lower left of radiator support)
G200 (behind right side of dash, near right "a" pillar)
G203 (near left "a" pillar)
Ground
High beam ind
Hot at all times
Hot in run or start
Hour meter
I/p dim
I/p relay block (near left kick panel)
Ign e fuse 10a
Ignition
Illumination
Ind (mil) malfunction
Info not avail
Instrument panel cluster
Ipc serial data
Ipc/dic fuse 10a
Left turn
Left turn ind
Lo wash fluid
Low fuel ind
Message display
Mil cntrl
Odometer
Oil gauge
Orn
Overdrive defeat ind
Pnk
Power distribution system
Prnd321
Red
Right turn
Right turn ind
S100
S202
Seat belt ind
Security ind
Sel sw prk sig
Seo b1 fuse 15a
Seo ign fuse 10a
Service 4wd ind
Speedometer
Tachometer
Tire pressure ind
Tow/haul ind
Traction control ind
Transmission temp gauge
Trip
Underhood fuse block (left side of engine compt)
Upshift ind
Variable dimming
Volts gauge
Vss
Wait to start
Wait to start ind (diesel)
Washer fluid level sensor (in washer fluid reservoir)

Instrument Cluster Wiring Diagram (2 of 2) for GMC Sierra HD 2006 2500

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List of elements for Instrument Cluster Wiring Diagram (2 of 2) for GMC Sierra HD 2006 2500:

(diesel)
(diesel) (gas)
(in steering wheel controls harn)
(left rear of engine compt) (4.3l) cruise control module (ccm)
(near left kick panel) i/p relay block
(on left front of engine compt) (diesel) engine control module (ecm)
5 volt ref
5.3l flex fuel
A10
Class 2 data
Computer data lines
Diesel
Eng speed sig
Engine controls system
Engine oil level switch (on oil pan)
Engine oil pressure sensor (rear of engine)
Exc luxury
Except 5.3l flex fuel
Fuel info
Fuel lev sens
Fuel level sensor (primary) (inside fuel tank)
Fuel level sensor (secondary) (inside fuel tank)
G103 (on right rear of engine block)
G108 (lower left side of engine)
G203 (near left "a" pillar)
Gas
Hybrid
I/p relay block
Inflatable restraint steering wheel module coil
Low ref
Lower left steering wheel control switch assembly
Lower right steering wheel control switch assembly
Luxury
Mil ctrl
Nca
Oil lev sw sig
Oil pres sig
Personal- ization
Powertrain control module (pcm) (gas) (on left front of engine compt)
Radio
S103
S180
S216
S260
S312
Select
Starting/charging system
Trip info
Vss
W/ dual tank
W/o dual tank
Wait to start
Water in fuel (wif) sensor (on fuel filter element)
Wif ind

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram (1 of 2) for GMC Sierra HD 2006 2500

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List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for GMC Sierra HD 2006 2500:

A11
B12
Battery b+
Body control module (lower left side of dash, below steering column)
Cargo lamp low ctrl
Class 2 data
Class 2 serial data
Convenience package comfort & decor level #3
Ctsy lamp ctrl
Ctsy lamp on sig
Ctsy lamp power
Dome lamp switch
Door ajar sig
Driver door latch assembly
Driver door module (ddm) (in left front door)
E11
Front passenger door latch assembly
Front passenger door module (fpdm) (in right front door)
G200 (behind right side of dash, near right "a" pillar)
G203 (near left "a" pillar)
G305 (on left "b" pillar)
G306 (on right "b" pillar)
Headlamp switch
Hot at all times
I/p fuse block (lower left side of dash)
I/p relay block (near left kick panel)
Int lamp defeat sig
Interior lamp defeat switch
Junction i/p block (right side of dash, behind access panel)
Left front door courtesy lamp
Left rear door latch assembly (crew cab)
Lf door ajar sig
Low ref
Lr door ajar sig
Merchandised package luxury edition
Rf door ajar sig
Right front door courtesy lamp
Right rear door latch assembly (crew cab)
Rr door ajar sig
S202
Sp205 (left side of dash)
Tan
Tbc 2b fuse 15a
Tbc 2c fuse 15a
W/ ye9 or w/ y91
W/o ye9 or w/o y91
Y91 =
Ye9 =

Courtesy Lamps Wiring Diagram (2 of 2) for GMC Sierra HD 2006 2500

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List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for GMC Sierra HD 2006 2500:

(in headliner harness between overhead console reading lamps and i/p relay block) s321
A12
Cargo lamp
Convenience package comfort & decor level #3
Crew cab w/ ye9 or w/ y91
Crew cab w/ ye9/y91 or extended cab w/ y91
Dome
Except crew cab w/ ye9 or w/ y91
G203 (near left "a" pillar)
I/p relay block (near left kick panel)
Left vanity mirror lamp
Map lamps
Merchandised package luxury edition
Multi- function accessory switch
Overhead console
Reading
Rear courtesy reading lamps (crew cab w/ ye9)
Rear dome lamp
Regular cab w/ ye9 or extended cab w/ ye9
Right vanity mirror lamp
S213
S345
W/o ye9 or w/o y91
Y91 =
Ye9 =

Instrument Illumination Wiring Diagram (1 of 3) for GMC Sierra HD 2006 2500

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List of elements for Instrument Illumination Wiring Diagram (1 of 3) for GMC Sierra HD 2006 2500:

(lower left side of dash, below steering column) body control module
2 hi ind
2 hi ind control
4 hi ind
4 hi ind control
4 lo ind
4 lo ind control
5 volt ref
A11
A12
Auto 4wd ind
B pnk
B11
Battery b+
Crew cab only
Diff lock ind control
Dimming input
Dimming return
Drl off
Drl off ind ctrl
Fog lamp rly ctrl
G305 (left "b" pillar)
G306 (right "b" pillar)
Headlamp on
Headlamp on ind ctrl
Headlamp switch
Hot at all times
I/p fuse block lower left side of dash
Inst panel dimming
Instrument panel cluster
Left rear window switch
Np1 = transfer case, electric shift control, 2 speed np8 = transfer case active, 2 speed pushbutton control
Pnk
Red
Right rear window switch
Tbc 2a fuse 15a
Transfer case shift control module (behind headlamp switch)
Transfer case shift control switch
W/ np1
W/ np8

Instrument Illumination Wiring Diagram (2 of 3) for GMC Sierra HD 2006 2500

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List of elements for Instrument Illumination Wiring Diagram (2 of 3) for GMC Sierra HD 2006 2500:

(left side of engine compt, near battery) underhood fuse block
(near left "a" pillar)
Fog lamp circuit
G203
Hvac control module
Inflatable restraint i/p module disable switch
Inflatable restraint steering wheel module coil
Lower left
Lower right
Multifunction accessory switch
Nca
Overhead console
Power take off (pto) switch
Remote playback device-cd player
S205
Steering wheel
Traction control switch
Transfer case shift control switch
Upper left
Upper right

Instrument Illumination Wiring Diagram (3 of 3) for GMC Sierra HD 2006 2500

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List of elements for Instrument Illumination Wiring Diagram (3 of 3) for GMC Sierra HD 2006 2500:

i/p fuse block
(behind right side of dash) g200
(lower left side of dash)
(lower left side of radiator core support) g100
A11
C10
Driver window/door lock switch
Electronic suspension system
Exterior lamps
Firm indicator
Fog lamp
Front passenger window/door lock switch
G200 (behind right side of dash, near right "a" pillar)
G203 (near left "a" pillar)
Headlamp leveling switch
I/p relay block (near left kick panel)
Junction i/p block (lower left side of dash)
Multifunction accessory switch
Roof beacon switch
S101
S202
S345
S352
Selectable ride switch
Sunroof switch
W/ t89
W/ t96

MEMORY SYSTEMS

Memory Mirrors Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for Memory Mirrors Wiring Diagram for GMC Sierra HD 2006 2500:

5 volt ref
Battery
Class 2 serial data
Computer data lines system
Ddm fuse 15a
Driver door module (in driver's door)
Driver outside rearview mirror
Electro- chromic
Exit
Folding motor
Front passenger door module (in passenger's door)
G200 (near right "a" pillar)
Ground
Heating element
Horizontal
Hot at all times
I/p fuse block (lower left side of dash)
I/p junction block (lower right side of dash)
I/p junction block (right side of dash)
I/p relay block (near left kick panel)
Left
Low ref
Lt doors circuit breaker 25a
Mem
Mem 1 sw sig
Mem 2 sw sig
Memory/ heated seat switch
Mir htr low ref
Mir htr sply voltage
Mir mtr dwn ctrl
Mir mtr extend ctrl
Mir mtr retract ctrl
Mir mtr rt ctrl
Mir position sens sig
Mir sens low ref
Mir signal
Mtr position sens sig
Passenger outside rearview mirror
Pdm fuse 10a
Pnk
Red
Rt door circuit breaker 25a
Rt/dwn mtr common
S202
Sply voltage
Tan
Vert posit sens sig
Vertical

Memory Seat Wiring Diagram (1 of 2) for GMC Sierra HD 2006 2500

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List of elements for Memory Seat Wiring Diagram (1 of 2) for GMC Sierra HD 2006 2500:

(crew cab) g305 (left "b" pillar) (exc crew cab) g306 (right "b" pillar)
(in driver seat harn)
(not used)
1150 (or 1250)
5 volt ref
Batt (+)
C10 h
Class 2 serial data
Computer data lines system
Driver's seat adjuster switch
Frt dwn
Frt up
Frt vert dn sw sig
Frt vert mtr dn ctrl
Frt vert mtr pos sen
Frt vert mtr up ctrl
Frt vert up sw sig
Fwd
Gnd
Heated seat cus pwr
Heated seat temp sig
Horiz fwd sw sig
Horiz mtr fwd ctrl
Horiz mtr pos sen sig
Horiz mtr rwd ctrl
Horiz rwd sw sig
Hot at all times
Htd seat back ctrl
Htd seat back pwr
Htd seat cus ctrl
Htd seat cus pwr
I/p relay block (near left kick panel)
Low ref
Lum horiz pos sen sig
Lum mtr fwd ctrl
Lum mtr rwd ctrl
Lum mtr rwd ctrl lum mtr rwd ctrl
Memory seat module (under left front seat)
Pnk
Pnk pnk
Rear vert dn sw sig
Rear vert mtr pos sens
Rear vert up sw sig
Rec fwd
Rec rwd
Recline fwd sw sig
Recline mtr fwd ctrl
Recline mtr pos sen sig
Recline mtr rwd ctrl
Recline rwd sw sig
Rr dwn
Rr up
Rr vert mtr dn ctrl
Rr vert mtr up ctrl
Rwd
S311
S314
S315 (in driver seat harn)
Seat circuit breaker 30a
Seats system
Tan
Torso blstr in sw sig
Torso blstr out sw sig
Torso bolster in ctrl
Torso bolster out ctrl
Trso blstr pos sens sig

Memory Seat Wiring Diagram (2 of 2) for GMC Sierra HD 2006 2500

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List of elements for Memory Seat Wiring Diagram (2 of 2) for GMC Sierra HD 2006 2500:

(in driver seat harn) s309
(in driver seat harn) s310
C (not used)
Class 2 serial data
Computer data lines system
Driver door module (in driver's door)
Driver seat bolster motor/ position sensor
Driver seat bolster/ lumbar switch
Driver seat front vertical motor
Driver seat front vertical position sensor
Driver seat horiz- ontal motor
Driver seat horiz- ontal position sensor
Driver seat lumbar motor/ position sensor
Driver seat rear vertical motor
Driver seat rear vertical position sensor
Driver seat recliner motor
Driver seat recliner motor position sensor
Exit
Mem
Mem 1 sw sig
Mem 2 sw sig
Memory/ heated seat switch
Out
Pnk
Red
Sply voltage
Tan

POWER DISTRIBUTION

4.3L VIN X

4.3L VIN X, Power Distribution Wiring Diagram (1 of 6) for GMC Sierra HD 2006 2500

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List of elements for 4.3L VIN X, Power Distribution Wiring Diagram (1 of 6) for GMC Sierra HD 2006 2500:

(18.5 cm from trailer conn breakout)
(base) (exc base)
(in seo harness)
(not used)
125a
40a
4ws fuse 15a
A c1
A c6
A c7
A12
Abs fuse 60a
Audio amplifier
Auxiliary battery relay (right rear of engine compt)
B c9
B11 c1
B12 c1
B2 c3
Battery (left)
Battery (right)
Battery (right) (w/aux battery)
Battery cable junction block
Body control module
C7 b
C9 d
Cig ltr fuse 15a
Cigar lighter
Cool fan fuse 10a
Cool fan fuse 40a
Cool/fan relay 1
Cool/fan relay 2
Cool/fan relay 3
Cust feed fuse
D12 c1
Data link connector
Digital radio receiver
E10
Eap fuse 15a
Electronic brake control module
Emergency vehicle roof lamp relay
Evaporative emissions canister vent solenoid
Except 4.3l
Except luxury
F2 c1
Fuse b 30a
Fuse d 30a
Fusible link 5 (5 ga- red)
G104 (left rear of engine block)
G200 (behind right side of dash, near "a" pillar)
Generator (4.3l & 8.1l)
Generator (4.8l, 5.3l & 6.0l)
Harness)
I/p junction block (right side of dash)
I/p relay block (left of steering column)
I/p relay block (near left kick panel)
Ign a fuse 40a
Ign b fuse 40a
Luxury
Mega fuse
Mobile radio fuse block (behind right side of dash)
Nca
Radio
Radio amp fuse 30a
Radio fuse 15a
Rear seat audio (rsa) controller
Red
Relay a
Relay b
Rr wiper fuse 25a
Rtd fuse 30a
S/roof fuse 25a
S102
S205 s303
S220 (in seo red
S221
S222
S416
Starter
Starter relay
Stud 1 fuse 40a
Stud 2 fuse 30a
Sunroof control module
Tbc batt fuse 10a
To 4wd fuse (diagram 5 of 6)
To ignition switch (diagram 5 of 6)
To ignition switch (diagram 6 of 6)
To ipc/dic fuse (diagram 2 of 6)
Trailer connector (7 way)
Underhood cooling fan fuse block (left side of eng compt)
Underhood fuse block (left side of engine compt)
Vses/ ecas fuse 60a
W/ aux battery
W/ dual batteries
W/ wrecker emergency lamp
Wrecker relay

4.3L VIN X, Power Distribution Wiring Diagram (2 of 6) for GMC Sierra HD 2006 2500

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List of elements for 4.3L VIN X, Power Distribution Wiring Diagram (2 of 6) for GMC Sierra HD 2006 2500:

(6.4 cm from c202 breakout) s335
(left side of engine compt) underhood fuse block
(not used)
8s8
A c10
A10
Auto a/c
Aux pwr fuse 20a
Auxiliary power outlet (bin)
Auxiliary power outlet (console)
Auxiliary power outlet (front)
B c5
B11
B11 c1
Blower fuse 40a
Blower motor control module
Blower motor resistor assembly
C1 c2
C1 f12
C10
C3 b
C4 d
C4 e6
C8 a
D12
Defog relay
E c8
E11 c1
Except luxury
F/pmp relay
From radio fuse (diagram 1 of 6)
G200 (behind right side of dash, near "a" pillar)
Garage door opener
Generator battery control module (10 series)
Hvac control module
Hvac/ecas fuse 10a
I/p junction block (right side of dash)
I/p relay block (near left kick panel)
Info fuse 15a
Instrument panel cluster
Ipc/dic fuse 10a
Lh hid fuse 20a
Luxury
Manual a/c
Nca
Overhead console
Pcm b fuse 20a
Powertrain control module
Rear seat entertainment assembly
Red
Remote playback device (cd player)
Rh hid fuse 20a
Roof beacon relay
Roof beacon switch
Rr defog fuse 30a
Rr hvac fuse 30a
Rvc fuse 10a
Seo b1 fuse 15a
Seo b2 fuse 30a
Stop lp fuse 25a
Stoplamp switch
Tcm b fuse 10a
To lbec 1 fuse (diagram 3 of 6)
Transfer case encoder motor
Transfer case shift control module
Transmission control module (tcm)
Trec fuse 30a
Vehicle communication interface module
W/o 8s8

4.3L VIN X, Power Distribution Wiring Diagram (3 of 6) for GMC Sierra HD 2006 2500

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List of elements for 4.3L VIN X, Power Distribution Wiring Diagram (3 of 6) for GMC Sierra HD 2006 2500:

(left side of engine compt) underhood fuse block
(lower left side of dash)
(not used)
(passenger seat harness)
A c5
A c6
A/c comp fuse 10a
A/c comp relay
A10
A12
A7 c1
Aux pwr 2 fuse 20a
B c7
B10
B12
B2 c2
B7 c2
Body control module
Bucket
C c3
C9 c1
Ddm fuse 15a
Driver door module
Driver door unlock relay
Drl fuse 10a
Drl relay
E c10
E c7
E10
E11 c1
E12
E3 c3
Ecc/ tpm fuse 10a
Etc/ecm fuse 15a
Evaporative emissions (evap) canister purge solenoid
Exc base
F c3
F11 c1
Flash fuse 25a
Fog lp fuse 15a
Fog lp relay
From mbec 1 fuse (diagram 3 of 6)
From pcm b fuse (diagram 2 of 6)
Fuel composition sensor
Fuel pump relay (secondary) (w/ dual tanks)
G c4
G104 (left rear of engine block)
Hdlp-hi relay
Hdlp-low relay
Horn relay
I/p junction block (right side of dash)
I/p relay block (near left kick panel)
Ign 1 relay
Intake air temperature (iat)/mass airflow (maf) sensor assembly
Lbec 1 fuse 50a
Lbec 2 fuse 50a
Left i/p fuse block
Lock relay
Locks fuse 20a
Lt door circuit breaker 25a
Lumbar bolster switch (front passenger)
M c4
Mbec 1 fuse 50a
Memory seat module (driver)
Non bucket
Park lp relay
Passenger door module
Pcm 1 fuse 15a
Pdm fuse 10a
Pnk
Power take off relay
Powertrain control module
Red
Rt doors circuit breaker 25a
S102
S328
Sba fuse 15a
Seat adjuster switch (driver)
Seat adjuster switch (front passenger)
Seats circuit breaker 30a
Tbc 2a fuse 15a
Tbc 2b fuse 15a
Tbc 2c fuse 15a
Throttle actuator control module (except 4.3l)
Tire pressure monitor (tpm) module
To ign 1 relay (diagram 3 of 6)
To inj 1 fuse (diagram 4 of 6)
To seo ign fuse (diagram 6 of 6)
Turn signal/ hazard flasher module
Underhood fuse block (left side of engine compt)
Unlock relay
W/s wash fuse 15a
W/s wash relay
Window switch (left rear) (crew cab)
Window switch (right rear)

4.3L VIN X, Power Distribution Wiring Diagram (4 of 6) for GMC Sierra HD 2006 2500

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List of elements for 4.3L VIN X, Power Distribution Wiring Diagram (4 of 6) for GMC Sierra HD 2006 2500:

(4.3l)
(4.8l, 5.3, 6.0l)
(4.8l, 5.3l, 6.0l)
(in injector jumper harn)
(not used)
4.3l
4.3l, 4.8l, 5.3l, 6.0l
4.8l, 5.3l, 6.0l, 8.1l
8.1l
C10
D10
E10
Except 4.3l
From pcm 1 fuse (diagram 3 of 6)
Fuel injector 1
Fuel injector 2
Fuel injector 3
Fuel injector 4
Fuel injector 5
Fuel injector 6
Fuel injector 7
Fuel injector 8
Ignition coil
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Ignition coil 5
Ignition coil 6
Ignition coil 7
Ignition coil 8
Ignition control module
Inj 1 fuse 15a
Inj 2 fuse 15a
Pnk
Pnk a
S152 (in injector jumper harness)
S154
S159 (in engine harness)
S160 (in ignition coil jumper harness)
Underhood fuse block (left side of engine compt)

4.3L VIN X, Power Distribution Wiring Diagram (5 of 6) for GMC Sierra HD 2006 2500

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List of elements for 4.3L VIN X, Power Distribution Wiring Diagram (5 of 6) for GMC Sierra HD 2006 2500:

(man a/c)
(over 8600 gvw) (8600 gvw or less)
4wd fuse 15a
A/t shift lever
Acc
Air temperature actuator (left)
Air temperature actuator (right)
Automatic transmission
B10 a1
Body control module
Brake fuse 10a
C1 c9
C1 e8
C175
C2 c2
Clutch start switch
Crank fuse 10a
Cruise
Cruise control module
Cruise control on/off switch
Cruise fuse 10a
Driver shift request switch
E11
Electronic brake control module
Exc m74 transmission
F10
From auxiliary battery relay (diagram 1 of 6)
From ign a fuse (diagram 1 of 6)
Front axle actuator
Htr/ac fuse 30a
Hvac 1 fuse 10a
Hvac control module
I/p fuse block (left side of dash)
I/p junction block (behind right side of dash)
Ign 0 fuse 10a
Ignition switch
Lock
Mode actuator
Off
Pnk
Power takeoff (pto) switch
Powertrain control module
Pto
Recirculation actuator
Red
Run
Start
Stoplamp switch
Tbc ign 0 fuse 10a
Traction control switch
Transfer case shift control switch
Transmission control module (tcm)
Turn signal multifunction switch
Underhood fuse block (left side of engine compt)

4.3L VIN X, Power Distribution Wiring Diagram (6 of 6) for GMC Sierra HD 2006 2500

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List of elements for 4.3L VIN X, Power Distribution Wiring Diagram (6 of 6) for GMC Sierra HD 2006 2500:

(left side of engine compt) underhood fuse block
(not used)
8s8
A/c comp relay
A/t
Acc
Airbag fuse 15a
B/u lp fuse 20a
Backup lamp switch
Body control module
C c8
C1 b2
C10
C8 d
Clutch start switch (m/t)
D c5
D10 c1
Defog relay
E c3
Exc 8.1l w/o california lev
F11
From ign 1 relay (diagram 3 of 6)
From ign b fuse (diagram 1 of 6)
Heated oxygen sensor bank 1 sensor 1
Heated oxygen sensor bank 1 sensor 2
Heated oxygen sensor bank 2 sensor 1
Heated oxygen sensor bank 2 sensor 2
I/p fuse block (behind left side of dash)
I/p relay block (near left kick panel)
Ign e fuse 10a
Ignition switch
Inflatable restraint i/p module disable switch
Inflatable restraint passenger presence system module
Inflatable restraint sensing & diagnostic module
Inside rearview mirror
Instrument panel cluster
Lock
M/t
Mobile radio fuse block (upfitter option)
Nca
O2a fuse 15a
O2b fuse 15a
Off
Park/neutral position switch (a/t)
Pnk
Red
Relay a
Relay b
Rr wpr fuse 15a
Run
Selectable ride switch
Seo accy fuse 10a
Seo ign fuse 10a
Start
Tbc accy fuse 10a
Tbc ign 1 fuse 10a
Turn signal multifunction switch
Turn signal/ multifunction switch
W/o 8s8
Windshield wiper motor & module
Ws wpr fuse 25a

4.8L VIN V

4.8L VIN V, Power Distribution Wiring Diagram (1 of 6) for GMC Sierra HD 2006 2500

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List of elements for 4.8L VIN V, Power Distribution Wiring Diagram (1 of 6) for GMC Sierra HD 2006 2500:

(18.5 cm from trailer conn breakout)
(base) (exc base)
(in seo harness)
(not used)
125a
40a
4ws fuse 15a
A c1
A c6
A c7
A12
Abs fuse 60a
Audio amplifier
Auxiliary battery relay (right rear of engine compt)
B c9
B11 c1
B12 c1
B2 c3
Battery (left)
Battery (right)
Battery (right) (w/aux battery)
Battery cable junction block
Body control module
C7 b
C9 d
Cig ltr fuse 15a
Cigar lighter
Cool fan fuse 10a
Cool fan fuse 40a
Cool/fan relay 1
Cool/fan relay 2
Cool/fan relay 3
Cust feed fuse
D12 c1
Data link connector
Digital radio receiver
E10
Eap fuse 15a
Electronic brake control module
Emergency vehicle roof lamp relay
Evaporative emissions canister vent solenoid
Except 4.3l
Except luxury
F2 c1
Fuse b 30a
Fuse d 30a
Fusible link 5 (5 ga- red)
G104 (left rear of engine block)
G200 (behind right side of dash, near "a" pillar)
Generator (4.3l & 8.1l)
Generator (4.8l, 5.3l & 6.0l)
Harness)
I/p junction block (right side of dash)
I/p relay block (left of steering column)
I/p relay block (near left kick panel)
Ign a fuse 40a
Ign b fuse 40a
Luxury
Mega fuse
Mobile radio fuse block (behind right side of dash)
Nca
Radio
Radio amp fuse 30a
Radio fuse 15a
Rear seat audio (rsa) controller
Red
Relay a
Relay b
Rr wiper fuse 25a
Rtd fuse 30a
S/roof fuse 25a
S102
S205 s303
S220 (in seo red
S221
S222
S416
Starter
Starter relay
Stud 1 fuse 40a
Stud 2 fuse 30a
Sunroof control module
Tbc batt fuse 10a
To 4wd fuse (diagram 5 of 6)
To ignition switch (diagram 5 of 6)
To ignition switch (diagram 6 of 6)
To ipc/dic fuse (diagram 2 of 6)
Trailer connector (7 way)
Underhood cooling fan fuse block (left side of eng compt)
Underhood fuse block (left side of engine compt)
Vses/ ecas fuse 60a
W/ aux battery
W/ dual batteries
W/ wrecker emergency lamp
Wrecker relay

4.8L VIN V, Power Distribution Wiring Diagram (2 of 6) for GMC Sierra HD 2006 2500

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List of elements for 4.8L VIN V, Power Distribution Wiring Diagram (2 of 6) for GMC Sierra HD 2006 2500:

(6.4 cm from c202 breakout) s335
(left side of engine compt) underhood fuse block
(not used)
8s8
A c10
A10
Auto a/c
Aux pwr fuse 20a
Auxiliary power outlet (bin)
Auxiliary power outlet (console)
Auxiliary power outlet (front)
B c5
B11
B11 c1
Blower fuse 40a
Blower motor control module
Blower motor resistor assembly
C1 c2
C1 f12
C10
C3 b
C4 d
C4 e6
C8 a
D12
Defog relay
E c8
E11 c1
Except luxury
F/pmp relay
From radio fuse (diagram 1 of 6)
G200 (behind right side of dash, near "a" pillar)
Garage door opener
Generator battery control module (10 series)
Hvac control module
Hvac/ecas fuse 10a
I/p junction block (right side of dash)
I/p relay block (near left kick panel)
Info fuse 15a
Instrument panel cluster
Ipc/dic fuse 10a
Lh hid fuse 20a
Luxury
Manual a/c
Nca
Overhead console
Pcm b fuse 20a
Powertrain control module
Rear seat entertainment assembly
Red
Remote playback device (cd player)
Rh hid fuse 20a
Roof beacon relay
Roof beacon switch
Rr defog fuse 30a
Rr hvac fuse 30a
Rvc fuse 10a
Seo b1 fuse 15a
Seo b2 fuse 30a
Stop lp fuse 25a
Stoplamp switch
Tcm b fuse 10a
To lbec 1 fuse (diagram 3 of 6)
Transfer case encoder motor
Transfer case shift control module
Transmission control module (tcm)
Trec fuse 30a
Vehicle communication interface module
W/o 8s8

4.8L VIN V, Power Distribution Wiring Diagram (3 of 6) for GMC Sierra HD 2006 2500

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List of elements for 4.8L VIN V, Power Distribution Wiring Diagram (3 of 6) for GMC Sierra HD 2006 2500:

(left side of engine compt) underhood fuse block
(lower left side of dash)
(not used)
(passenger seat harness)
A c5
A c6
A/c comp fuse 10a
A/c comp relay
A10
A12
A7 c1
Aux pwr 2 fuse 20a
B c7
B10
B12
B2 c2
B7 c2
Body control module
Bucket
C c3
C9 c1
Ddm fuse 15a
Driver door module
Driver door unlock relay
Drl fuse 10a
Drl relay
E c10
E c7
E10
E11 c1
E12
E3 c3
Ecc/ tpm fuse 10a
Etc/ecm fuse 15a
Evaporative emissions (evap) canister purge solenoid
Exc base
F c3
F11 c1
Flash fuse 25a
Fog lp fuse 15a
Fog lp relay
From mbec 1 fuse (diagram 3 of 6)
From pcm b fuse (diagram 2 of 6)
Fuel composition sensor
Fuel pump relay (secondary) (w/ dual tanks)
G c4
G104 (left rear of engine block)
Hdlp-hi relay
Hdlp-low relay
Horn relay
I/p junction block (right side of dash)
I/p relay block (near left kick panel)
Ign 1 relay
Intake air temperature (iat)/mass airflow (maf) sensor assembly
Lbec 1 fuse 50a
Lbec 2 fuse 50a
Left i/p fuse block
Lock relay
Locks fuse 20a
Lt door circuit breaker 25a
Lumbar bolster switch (front passenger)
M c4
Mbec 1 fuse 50a
Memory seat module (driver)
Non bucket
Park lp relay
Passenger door module
Pcm 1 fuse 15a
Pdm fuse 10a
Pnk
Power take off relay
Powertrain control module
Red
Rt doors circuit breaker 25a
S102
S328
Sba fuse 15a
Seat adjuster switch (driver)
Seat adjuster switch (front passenger)
Seats circuit breaker 30a
Tbc 2a fuse 15a
Tbc 2b fuse 15a
Tbc 2c fuse 15a
Throttle actuator control module (except 4.3l)
Tire pressure monitor (tpm) module
To ign 1 relay (diagram 3 of 6)
To inj 1 fuse (diagram 4 of 6)
To seo ign fuse (diagram 6 of 6)
Turn signal/ hazard flasher module
Underhood fuse block (left side of engine compt)
Unlock relay
W/s wash fuse 15a
W/s wash relay
Window switch (left rear) (crew cab)
Window switch (right rear)

4.8L VIN V, Power Distribution Wiring Diagram (4 of 6) for GMC Sierra HD 2006 2500

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List of elements for 4.8L VIN V, Power Distribution Wiring Diagram (4 of 6) for GMC Sierra HD 2006 2500:

(4.3l)
(4.8l, 5.3, 6.0l)
(4.8l, 5.3l, 6.0l)
(in injector jumper harn)
(not used)
4.3l
4.3l, 4.8l, 5.3l, 6.0l
4.8l, 5.3l, 6.0l, 8.1l
8.1l
C10
D10
E10
Except 4.3l
From pcm 1 fuse (diagram 3 of 6)
Fuel injector 1
Fuel injector 2
Fuel injector 3
Fuel injector 4
Fuel injector 5
Fuel injector 6
Fuel injector 7
Fuel injector 8
Ignition coil
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Ignition coil 5
Ignition coil 6
Ignition coil 7
Ignition coil 8
Ignition control module
Inj 1 fuse 15a
Inj 2 fuse 15a
Pnk
Pnk a
S152 (in injector jumper harness)
S154
S159 (in engine harness)
S160 (in ignition coil jumper harness)
Underhood fuse block (left side of engine compt)

4.8L VIN V, Power Distribution Wiring Diagram (5 of 6) for GMC Sierra HD 2006 2500

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List of elements for 4.8L VIN V, Power Distribution Wiring Diagram (5 of 6) for GMC Sierra HD 2006 2500:

(man a/c)
(over 8600 gvw) (8600 gvw or less)
4wd fuse 15a
A/t shift lever
Acc
Air temperature actuator (left)
Air temperature actuator (right)
Automatic transmission
B10 a1
Body control module
Brake fuse 10a
C1 c9
C1 e8
C175
C2 c2
Clutch start switch
Crank fuse 10a
Cruise
Cruise control module
Cruise control on/off switch
Cruise fuse 10a
Driver shift request switch
E11
Electronic brake control module
Exc m74 transmission
F10
From auxiliary battery relay (diagram 1 of 6)
From ign a fuse (diagram 1 of 6)
Front axle actuator
Htr/ac fuse 30a
Hvac 1 fuse 10a
Hvac control module
I/p fuse block (left side of dash)
I/p junction block (behind right side of dash)
Ign 0 fuse 10a
Ignition switch
Lock
Mode actuator
Off
Pnk
Power takeoff (pto) switch
Powertrain control module
Pto
Recirculation actuator
Red
Run
Start
Stoplamp switch
Tbc ign 0 fuse 10a
Traction control switch
Transfer case shift control switch
Transmission control module (tcm)
Turn signal multifunction switch
Underhood fuse block (left side of engine compt)

4.8L VIN V, Power Distribution Wiring Diagram (6 of 6) for GMC Sierra HD 2006 2500

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List of elements for 4.8L VIN V, Power Distribution Wiring Diagram (6 of 6) for GMC Sierra HD 2006 2500:

(left side of engine compt) underhood fuse block
(not used)
8s8
A/c comp relay
A/t
Acc
Airbag fuse 15a
B/u lp fuse 20a
Backup lamp switch
Body control module
C c8
C1 b2
C10
C8 d
Clutch start switch (m/t)
D c5
D10 c1
Defog relay
E c3
Exc 8.1l w/o california lev
F11
From ign 1 relay (diagram 3 of 6)
From ign b fuse (diagram 1 of 6)
Heated oxygen sensor bank 1 sensor 1
Heated oxygen sensor bank 1 sensor 2
Heated oxygen sensor bank 2 sensor 1
Heated oxygen sensor bank 2 sensor 2
I/p fuse block (behind left side of dash)
I/p relay block (near left kick panel)
Ign e fuse 10a
Ignition switch
Inflatable restraint i/p module disable switch
Inflatable restraint passenger presence system module
Inflatable restraint sensing & diagnostic module
Inside rearview mirror
Instrument panel cluster
Lock
M/t
Mobile radio fuse block (upfitter option)
Nca
O2a fuse 15a
O2b fuse 15a
Off
Park/neutral position switch (a/t)
Pnk
Red
Relay a
Relay b
Rr wpr fuse 15a
Run
Selectable ride switch
Seo accy fuse 10a
Seo ign fuse 10a
Start
Tbc accy fuse 10a
Tbc ign 1 fuse 10a
Turn signal multifunction switch
Turn signal/ multifunction switch
W/o 8s8
Windshield wiper motor & module
Ws wpr fuse 25a

5.3L VIN B

5.3L VIN B, Power Distribution Wiring Diagram (1 of 6) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN B, Power Distribution Wiring Diagram (1 of 6) for GMC Sierra HD 2006 2500:

(18.5 cm from trailer conn breakout)
(base) (exc base)
(in seo harness)
(not used)
125a
40a
4ws fuse 15a
A c1
A c6
A c7
A12
Abs fuse 60a
Audio amplifier
Auxiliary battery relay (right rear of engine compt)
B c9
B11 c1
B12 c1
B2 c3
Battery (left)
Battery (right)
Battery (right) (w/aux battery)
Battery cable junction block
Body control module
C7 b
C9 d
Cig ltr fuse 15a
Cigar lighter
Cool fan fuse 10a
Cool fan fuse 40a
Cool/fan relay 1
Cool/fan relay 2
Cool/fan relay 3
Cust feed fuse
D12 c1
Data link connector
Digital radio receiver
E10
Eap fuse 15a
Electronic brake control module
Emergency vehicle roof lamp relay
Evaporative emissions canister vent solenoid
Except 4.3l
Except luxury
F2 c1
Fuse b 30a
Fuse d 30a
Fusible link 5 (5 ga- red)
G104 (left rear of engine block)
G200 (behind right side of dash, near "a" pillar)
Generator (4.3l & 8.1l)
Generator (4.8l, 5.3l & 6.0l)
Harness)
I/p junction block (right side of dash)
I/p relay block (left of steering column)
I/p relay block (near left kick panel)
Ign a fuse 40a
Ign b fuse 40a
Luxury
Mega fuse
Mobile radio fuse block (behind right side of dash)
Nca
Radio
Radio amp fuse 30a
Radio fuse 15a
Rear seat audio (rsa) controller
Red
Relay a
Relay b
Rr wiper fuse 25a
Rtd fuse 30a
S/roof fuse 25a
S102
S205 s303
S220 (in seo red
S221
S222
S416
Starter
Starter relay
Stud 1 fuse 40a
Stud 2 fuse 30a
Sunroof control module
Tbc batt fuse 10a
To 4wd fuse (diagram 5 of 6)
To ignition switch (diagram 5 of 6)
To ignition switch (diagram 6 of 6)
To ipc/dic fuse (diagram 2 of 6)
Trailer connector (7 way)
Underhood cooling fan fuse block (left side of eng compt)
Underhood fuse block (left side of engine compt)
Vses/ ecas fuse 60a
W/ aux battery
W/ dual batteries
W/ wrecker emergency lamp
Wrecker relay

5.3L VIN B, Power Distribution Wiring Diagram (2 of 6) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN B, Power Distribution Wiring Diagram (2 of 6) for GMC Sierra HD 2006 2500:

(6.4 cm from c202 breakout) s335
(left side of engine compt) underhood fuse block
(not used)
8s8
A c10
A10
Auto a/c
Aux pwr fuse 20a
Auxiliary power outlet (bin)
Auxiliary power outlet (console)
Auxiliary power outlet (front)
B c5
B11
B11 c1
Blower fuse 40a
Blower motor control module
Blower motor resistor assembly
C1 c2
C1 f12
C10
C3 b
C4 d
C4 e6
C8 a
D12
Defog relay
E c8
E11 c1
Except luxury
F/pmp relay
From radio fuse (diagram 1 of 6)
G200 (behind right side of dash, near "a" pillar)
Garage door opener
Generator battery control module (10 series)
Hvac control module
Hvac/ecas fuse 10a
I/p junction block (right side of dash)
I/p relay block (near left kick panel)
Info fuse 15a
Instrument panel cluster
Ipc/dic fuse 10a
Lh hid fuse 20a
Luxury
Manual a/c
Nca
Overhead console
Pcm b fuse 20a
Powertrain control module
Rear seat entertainment assembly
Red
Remote playback device (cd player)
Rh hid fuse 20a
Roof beacon relay
Roof beacon switch
Rr defog fuse 30a
Rr hvac fuse 30a
Rvc fuse 10a
Seo b1 fuse 15a
Seo b2 fuse 30a
Stop lp fuse 25a
Stoplamp switch
Tcm b fuse 10a
To lbec 1 fuse (diagram 3 of 6)
Transfer case encoder motor
Transfer case shift control module
Transmission control module (tcm)
Trec fuse 30a
Vehicle communication interface module
W/o 8s8

5.3L VIN B, Power Distribution Wiring Diagram (3 of 6) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN B, Power Distribution Wiring Diagram (3 of 6) for GMC Sierra HD 2006 2500:

(left side of engine compt) underhood fuse block
(lower left side of dash)
(not used)
(passenger seat harness)
A c5
A c6
A/c comp fuse 10a
A/c comp relay
A10
A12
A7 c1
Aux pwr 2 fuse 20a
B c7
B10
B12
B2 c2
B7 c2
Body control module
Bucket
C c3
C9 c1
Ddm fuse 15a
Driver door module
Driver door unlock relay
Drl fuse 10a
Drl relay
E c10
E c7
E10
E11 c1
E12
E3 c3
Ecc/ tpm fuse 10a
Etc/ecm fuse 15a
Evaporative emissions (evap) canister purge solenoid
Exc base
F c3
F11 c1
Flash fuse 25a
Fog lp fuse 15a
Fog lp relay
From mbec 1 fuse (diagram 3 of 6)
From pcm b fuse (diagram 2 of 6)
Fuel composition sensor
Fuel pump relay (secondary) (w/ dual tanks)
G c4
G104 (left rear of engine block)
Hdlp-hi relay
Hdlp-low relay
Horn relay
I/p junction block (right side of dash)
I/p relay block (near left kick panel)
Ign 1 relay
Intake air temperature (iat)/mass airflow (maf) sensor assembly
Lbec 1 fuse 50a
Lbec 2 fuse 50a
Left i/p fuse block
Lock relay
Locks fuse 20a
Lt door circuit breaker 25a
Lumbar bolster switch (front passenger)
M c4
Mbec 1 fuse 50a
Memory seat module (driver)
Non bucket
Park lp relay
Passenger door module
Pcm 1 fuse 15a
Pdm fuse 10a
Pnk
Power take off relay
Powertrain control module
Red
Rt doors circuit breaker 25a
S102
S328
Sba fuse 15a
Seat adjuster switch (driver)
Seat adjuster switch (front passenger)
Seats circuit breaker 30a
Tbc 2a fuse 15a
Tbc 2b fuse 15a
Tbc 2c fuse 15a
Throttle actuator control module (except 4.3l)
Tire pressure monitor (tpm) module
To ign 1 relay (diagram 3 of 6)
To inj 1 fuse (diagram 4 of 6)
To seo ign fuse (diagram 6 of 6)
Turn signal/ hazard flasher module
Underhood fuse block (left side of engine compt)
Unlock relay
W/s wash fuse 15a
W/s wash relay
Window switch (left rear) (crew cab)
Window switch (right rear)

5.3L VIN B, Power Distribution Wiring Diagram (4 of 6) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN B, Power Distribution Wiring Diagram (4 of 6) for GMC Sierra HD 2006 2500:

(4.3l)
(4.8l, 5.3, 6.0l)
(4.8l, 5.3l, 6.0l)
(in injector jumper harn)
(not used)
4.3l
4.3l, 4.8l, 5.3l, 6.0l
4.8l, 5.3l, 6.0l, 8.1l
8.1l
C10
D10
E10
Except 4.3l
From pcm 1 fuse (diagram 3 of 6)
Fuel injector 1
Fuel injector 2
Fuel injector 3
Fuel injector 4
Fuel injector 5
Fuel injector 6
Fuel injector 7
Fuel injector 8
Ignition coil
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Ignition coil 5
Ignition coil 6
Ignition coil 7
Ignition coil 8
Ignition control module
Inj 1 fuse 15a
Inj 2 fuse 15a
Pnk
Pnk a
S152 (in injector jumper harness)
S154
S159 (in engine harness)
S160 (in ignition coil jumper harness)
Underhood fuse block (left side of engine compt)

5.3L VIN B, Power Distribution Wiring Diagram (5 of 6) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN B, Power Distribution Wiring Diagram (5 of 6) for GMC Sierra HD 2006 2500:

(man a/c)
(over 8600 gvw) (8600 gvw or less)
4wd fuse 15a
A/t shift lever
Acc
Air temperature actuator (left)
Air temperature actuator (right)
Automatic transmission
B10 a1
Body control module
Brake fuse 10a
C1 c9
C1 e8
C175
C2 c2
Clutch start switch
Crank fuse 10a
Cruise
Cruise control module
Cruise control on/off switch
Cruise fuse 10a
Driver shift request switch
E11
Electronic brake control module
Exc m74 transmission
F10
From auxiliary battery relay (diagram 1 of 6)
From ign a fuse (diagram 1 of 6)
Front axle actuator
Htr/ac fuse 30a
Hvac 1 fuse 10a
Hvac control module
I/p fuse block (left side of dash)
I/p junction block (behind right side of dash)
Ign 0 fuse 10a
Ignition switch
Lock
Mode actuator
Off
Pnk
Power takeoff (pto) switch
Powertrain control module
Pto
Recirculation actuator
Red
Run
Start
Stoplamp switch
Tbc ign 0 fuse 10a
Traction control switch
Transfer case shift control switch
Transmission control module (tcm)
Turn signal multifunction switch
Underhood fuse block (left side of engine compt)

5.3L VIN B, Power Distribution Wiring Diagram (6 of 6) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN B, Power Distribution Wiring Diagram (6 of 6) for GMC Sierra HD 2006 2500:

(left side of engine compt) underhood fuse block
(not used)
8s8
A/c comp relay
A/t
Acc
Airbag fuse 15a
B/u lp fuse 20a
Backup lamp switch
Body control module
C c8
C1 b2
C10
C8 d
Clutch start switch (m/t)
D c5
D10 c1
Defog relay
E c3
Exc 8.1l w/o california lev
F11
From ign 1 relay (diagram 3 of 6)
From ign b fuse (diagram 1 of 6)
Heated oxygen sensor bank 1 sensor 1
Heated oxygen sensor bank 1 sensor 2
Heated oxygen sensor bank 2 sensor 1
Heated oxygen sensor bank 2 sensor 2
I/p fuse block (behind left side of dash)
I/p relay block (near left kick panel)
Ign e fuse 10a
Ignition switch
Inflatable restraint i/p module disable switch
Inflatable restraint passenger presence system module
Inflatable restraint sensing & diagnostic module
Inside rearview mirror
Instrument panel cluster
Lock
M/t
Mobile radio fuse block (upfitter option)
Nca
O2a fuse 15a
O2b fuse 15a
Off
Park/neutral position switch (a/t)
Pnk
Red
Relay a
Relay b
Rr wpr fuse 15a
Run
Selectable ride switch
Seo accy fuse 10a
Seo ign fuse 10a
Start
Tbc accy fuse 10a
Tbc ign 1 fuse 10a
Turn signal multifunction switch
Turn signal/ multifunction switch
W/o 8s8
Windshield wiper motor & module
Ws wpr fuse 25a

5.3L VIN T

5.3L VIN T, Power Distribution Wiring Diagram, Except Hybrid (1 of 6) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN T, Power Distribution Wiring Diagram, Except Hybrid (1 of 6) for GMC Sierra HD 2006 2500:

(18.5 cm from trailer conn breakout)
(base) (exc base)
(in seo harness)
(not used)
125a
40a
4ws fuse 15a
A c1
A c6
A c7
A12
Abs fuse 60a
Audio amplifier
Auxiliary battery relay (right rear of engine compt)
B c9
B11 c1
B12 c1
B2 c3
Battery (left)
Battery (right)
Battery (right) (w/aux battery)
Battery cable junction block
Body control module
C7 b
C9 d
Cig ltr fuse 15a
Cigar lighter
Cool fan fuse 10a
Cool fan fuse 40a
Cool/fan relay 1
Cool/fan relay 2
Cool/fan relay 3
Cust feed fuse
D12 c1
Data link connector
Digital radio receiver
E10
Eap fuse 15a
Electronic brake control module
Emergency vehicle roof lamp relay
Evaporative emissions canister vent solenoid
Except 4.3l
Except luxury
F2 c1
Fuse b 30a
Fuse d 30a
Fusible link 5 (5 ga- red)
G104 (left rear of engine block)
G200 (behind right side of dash, near "a" pillar)
Generator (4.3l & 8.1l)
Generator (4.8l, 5.3l & 6.0l)
Harness)
I/p junction block (right side of dash)
I/p relay block (left of steering column)
I/p relay block (near left kick panel)
Ign a fuse 40a
Ign b fuse 40a
Luxury
Mega fuse
Mobile radio fuse block (behind right side of dash)
Nca
Radio
Radio amp fuse 30a
Radio fuse 15a
Rear seat audio (rsa) controller
Red
Relay a
Relay b
Rr wiper fuse 25a
Rtd fuse 30a
S/roof fuse 25a
S102
S205 s303
S220 (in seo red
S221
S222
S416
Starter
Starter relay
Stud 1 fuse 40a
Stud 2 fuse 30a
Sunroof control module
Tbc batt fuse 10a
To 4wd fuse (diagram 5 of 6)
To ignition switch (diagram 5 of 6)
To ignition switch (diagram 6 of 6)
To ipc/dic fuse (diagram 2 of 6)
Trailer connector (7 way)
Underhood cooling fan fuse block (left side of eng compt)
Underhood fuse block (left side of engine compt)
Vses/ ecas fuse 60a
W/ aux battery
W/ dual batteries
W/ wrecker emergency lamp
Wrecker relay

5.3L VIN T, Power Distribution Wiring Diagram, Except Hybrid (2 of 6) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN T, Power Distribution Wiring Diagram, Except Hybrid (2 of 6) for GMC Sierra HD 2006 2500:

(6.4 cm from c202 breakout) s335
(left side of engine compt) underhood fuse block
(not used)
8s8
A c10
A10
Auto a/c
Aux pwr fuse 20a
Auxiliary power outlet (bin)
Auxiliary power outlet (console)
Auxiliary power outlet (front)
B c5
B11
B11 c1
Blower fuse 40a
Blower motor control module
Blower motor resistor assembly
C1 c2
C1 f12
C10
C3 b
C4 d
C4 e6
C8 a
D12
Defog relay
E c8
E11 c1
Except luxury
F/pmp relay
From radio fuse (diagram 1 of 6)
G200 (behind right side of dash, near "a" pillar)
Garage door opener
Generator battery control module (10 series)
Hvac control module
Hvac/ecas fuse 10a
I/p junction block (right side of dash)
I/p relay block (near left kick panel)
Info fuse 15a
Instrument panel cluster
Ipc/dic fuse 10a
Lh hid fuse 20a
Luxury
Manual a/c
Nca
Overhead console
Pcm b fuse 20a
Powertrain control module
Rear seat entertainment assembly
Red
Remote playback device (cd player)
Rh hid fuse 20a
Roof beacon relay
Roof beacon switch
Rr defog fuse 30a
Rr hvac fuse 30a
Rvc fuse 10a
Seo b1 fuse 15a
Seo b2 fuse 30a
Stop lp fuse 25a
Stoplamp switch
Tcm b fuse 10a
To lbec 1 fuse (diagram 3 of 6)
Transfer case encoder motor
Transfer case shift control module
Transmission control module (tcm)
Trec fuse 30a
Vehicle communication interface module
W/o 8s8

5.3L VIN T, Power Distribution Wiring Diagram, Except Hybrid (3 of 6) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN T, Power Distribution Wiring Diagram, Except Hybrid (3 of 6) for GMC Sierra HD 2006 2500:

(left side of engine compt) underhood fuse block
(lower left side of dash)
(not used)
(passenger seat harness)
A c5
A c6
A/c comp fuse 10a
A/c comp relay
A10
A12
A7 c1
Aux pwr 2 fuse 20a
B c7
B10
B12
B2 c2
B7 c2
Body control module
Bucket
C c3
C9 c1
Ddm fuse 15a
Driver door module
Driver door unlock relay
Drl fuse 10a
Drl relay
E c10
E c7
E10
E11 c1
E12
E3 c3
Ecc/ tpm fuse 10a
Etc/ecm fuse 15a
Evaporative emissions (evap) canister purge solenoid
Exc base
F c3
F11 c1
Flash fuse 25a
Fog lp fuse 15a
Fog lp relay
From mbec 1 fuse (diagram 3 of 6)
From pcm b fuse (diagram 2 of 6)
Fuel composition sensor
Fuel pump relay (secondary) (w/ dual tanks)
G c4
G104 (left rear of engine block)
Hdlp-hi relay
Hdlp-low relay
Horn relay
I/p junction block (right side of dash)
I/p relay block (near left kick panel)
Ign 1 relay
Intake air temperature (iat)/mass airflow (maf) sensor assembly
Lbec 1 fuse 50a
Lbec 2 fuse 50a
Left i/p fuse block
Lock relay
Locks fuse 20a
Lt door circuit breaker 25a
Lumbar bolster switch (front passenger)
M c4
Mbec 1 fuse 50a
Memory seat module (driver)
Non bucket
Park lp relay
Passenger door module
Pcm 1 fuse 15a
Pdm fuse 10a
Pnk
Power take off relay
Powertrain control module
Red
Rt doors circuit breaker 25a
S102
S328
Sba fuse 15a
Seat adjuster switch (driver)
Seat adjuster switch (front passenger)
Seats circuit breaker 30a
Tbc 2a fuse 15a
Tbc 2b fuse 15a
Tbc 2c fuse 15a
Throttle actuator control module (except 4.3l)
Tire pressure monitor (tpm) module
To ign 1 relay (diagram 3 of 6)
To inj 1 fuse (diagram 4 of 6)
To seo ign fuse (diagram 6 of 6)
Turn signal/ hazard flasher module
Underhood fuse block (left side of engine compt)
Unlock relay
W/s wash fuse 15a
W/s wash relay
Window switch (left rear) (crew cab)
Window switch (right rear)

5.3L VIN T, Power Distribution Wiring Diagram, Except Hybrid (4 of 6) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN T, Power Distribution Wiring Diagram, Except Hybrid (4 of 6) for GMC Sierra HD 2006 2500:

(4.3l)
(4.8l, 5.3, 6.0l)
(4.8l, 5.3l, 6.0l)
(in injector jumper harn)
(not used)
4.3l
4.3l, 4.8l, 5.3l, 6.0l
4.8l, 5.3l, 6.0l, 8.1l
8.1l
C10
D10
E10
Except 4.3l
From pcm 1 fuse (diagram 3 of 6)
Fuel injector 1
Fuel injector 2
Fuel injector 3
Fuel injector 4
Fuel injector 5
Fuel injector 6
Fuel injector 7
Fuel injector 8
Ignition coil
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Ignition coil 5
Ignition coil 6
Ignition coil 7
Ignition coil 8
Ignition control module
Inj 1 fuse 15a
Inj 2 fuse 15a
Pnk
Pnk a
S152 (in injector jumper harness)
S154
S159 (in engine harness)
S160 (in ignition coil jumper harness)
Underhood fuse block (left side of engine compt)

5.3L VIN T, Power Distribution Wiring Diagram, Except Hybrid (5 of 6) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN T, Power Distribution Wiring Diagram, Except Hybrid (5 of 6) for GMC Sierra HD 2006 2500:

(man a/c)
(over 8600 gvw) (8600 gvw or less)
4wd fuse 15a
A/t shift lever
Acc
Air temperature actuator (left)
Air temperature actuator (right)
Automatic transmission
B10 a1
Body control module
Brake fuse 10a
C1 c9
C1 e8
C175
C2 c2
Clutch start switch
Crank fuse 10a
Cruise
Cruise control module
Cruise control on/off switch
Cruise fuse 10a
Driver shift request switch
E11
Electronic brake control module
Exc m74 transmission
F10
From auxiliary battery relay (diagram 1 of 6)
From ign a fuse (diagram 1 of 6)
Front axle actuator
Htr/ac fuse 30a
Hvac 1 fuse 10a
Hvac control module
I/p fuse block (left side of dash)
I/p junction block (behind right side of dash)
Ign 0 fuse 10a
Ignition switch
Lock
Mode actuator
Off
Pnk
Power takeoff (pto) switch
Powertrain control module
Pto
Recirculation actuator
Red
Run
Start
Stoplamp switch
Tbc ign 0 fuse 10a
Traction control switch
Transfer case shift control switch
Transmission control module (tcm)
Turn signal multifunction switch
Underhood fuse block (left side of engine compt)

5.3L VIN T, Power Distribution Wiring Diagram, Except Hybrid (6 of 6) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN T, Power Distribution Wiring Diagram, Except Hybrid (6 of 6) for GMC Sierra HD 2006 2500:

(left side of engine compt) underhood fuse block
(not used)
8s8
A/c comp relay
A/t
Acc
Airbag fuse 15a
B/u lp fuse 20a
Backup lamp switch
Body control module
C c8
C1 b2
C10
C8 d
Clutch start switch (m/t)
D c5
D10 c1
Defog relay
E c3
Exc 8.1l w/o california lev
F11
From ign 1 relay (diagram 3 of 6)
From ign b fuse (diagram 1 of 6)
Heated oxygen sensor bank 1 sensor 1
Heated oxygen sensor bank 1 sensor 2
Heated oxygen sensor bank 2 sensor 1
Heated oxygen sensor bank 2 sensor 2
I/p fuse block (behind left side of dash)
I/p relay block (near left kick panel)
Ign e fuse 10a
Ignition switch
Inflatable restraint i/p module disable switch
Inflatable restraint passenger presence system module
Inflatable restraint sensing & diagnostic module
Inside rearview mirror
Instrument panel cluster
Lock
M/t
Mobile radio fuse block (upfitter option)
Nca
O2a fuse 15a
O2b fuse 15a
Off
Park/neutral position switch (a/t)
Pnk
Red
Relay a
Relay b
Rr wpr fuse 15a
Run
Selectable ride switch
Seo accy fuse 10a
Seo ign fuse 10a
Start
Tbc accy fuse 10a
Tbc ign 1 fuse 10a
Turn signal multifunction switch
Turn signal/ multifunction switch
W/o 8s8
Windshield wiper motor & module
Ws wpr fuse 25a

5.3L VIN T, Power Distribution Wiring Diagram, Hybrid (1 of 7) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN T, Power Distribution Wiring Diagram, Hybrid (1 of 7) for GMC Sierra HD 2006 2500:

(18.5 cm from trailer conn breakout)
(base) (exc base)
(in seo harness)
(not used)
175a
40a
4ws fuse 15a
A c1
A c6
A12
Abs fuse 60a
Audio amplifier
Auxiliary battery relay (right rear of engine compt)
B c9
B11 c1
B12 c1
B2 c3
Battery (left)
Battery (right)
Battery (right) (w/aux battery)
Battery cable junction block
Body control module
C2 b
C7 b
C9 d
Cig ltr fuse 15a
Cigar lighter
D12 c1
Data link connector
Digital radio receiver
E10
Eap fuse 15a
Electronic brake control module
Emergency vehicle roof lamp relay
Evaporative emissions canister vent solenoid
Except luxury
F2 c1
Fuse b 30a
Fuse d 30a
Fusible link 5 (5 ga- red)
G104 (left rear of engine block)
G200 (behind right side of dash, near "a" pillar)
Generator
Harness)
Hybrid fuse
I/p junction block (right side of dash)
I/p relay block (left of steering column)
I/p relay block (near left kick panel)
Ign a fuse 40a
Ign b fuse 40a
Luxury
Mega fuse
Mobile radio fuse block (behind right side of dash)
Nca
Radio
Radio amp fuse 30a
Radio fuse 15a
Rear seat audio (rsa) controller
Red
Relay a
Relay b
Rr wiper fuse 25a
Rtd fuse 30a
S/roof fuse 25a
S102
S205 s303
S220 (in seo red
S221
S222
S416
Starter
Starter relay
Starter/ generator control module
Stud 1 fuse 40a
Stud 2 fuse 30a
Sunroof control module
Tbc batt fuse 10a
To 4wd fuse (diagram 5 of 7)
To ignition switch (diagram 5 of 7)
To ignition switch (diagram 6 of 7)
To ipc/dic fuse (diagram 2 of 7)
To underhood secondary fuse block (diagram 4 of 7)
To underhood secondary fuse block (diagram 7 of 7)
Trailer connector (7 way)
Underhood fuse block (left side of engine compt)
Vses/ ecas fuse 60a
W/ aux battery
W/ dual batteries
W/ wrecker emergency lamp
Wrecker relay

5.3L VIN T, Power Distribution Wiring Diagram, Hybrid (2 of 7) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN T, Power Distribution Wiring Diagram, Hybrid (2 of 7) for GMC Sierra HD 2006 2500:

(6.4 cm from c202 breakout) s335
(left side of engine compt) underhood fuse block
(not used)
8s8
A c10
A10
Auto a/c
Aux pwr fuse 20a
Auxiliary power outlet (bin)
Auxiliary power outlet (console)
Auxiliary power outlet (front)
B c5
B11
B11 c1
Blower fuse 40a
Blower motor control module
Blower motor resistor assembly
C1 c2
C1 f12
C10
C3 b
C4 d
C4 e6
C8 a
D12
Defog relay
E c8
E11 c1
Except luxury
F/pmp relay
From radio fuse (diagram 1 of 7)
G200 (behind right side of dash, near "a" pillar)
Garage door opener
Generator battery control module (10 series)
Hvac control module
Hvac/ecas fuse 10a
I/p junction block (right side of dash)
I/p relay block (near left kick panel)
Info fuse 15a
Instrument panel cluster
Ipc/dic fuse 10a
Lh hid fuse 20a
Luxury
Manual a/c
Nca
Overhead console
Pcm b fuse 20a
Powertrain control module
Rear seat entertainment assembly
Red
Remote playback device (cd player)
Rh hid fuse 20a
Roof beacon relay
Roof beacon switch
Rr defog fuse 30a
Rr hvac fuse 30a
Rvc fuse 10a
Seo b1 fuse 15a
Seo b2 fuse 30a
Stop lp fuse 25a
Stoplamp switch
Tcm b fuse 10a
To lbec 1 fuse (diagram 3 of 7)
Transfer case encoder motor
Transfer case shift control module
Transmission control module (tcm)
Trec fuse 30a
Vehicle communication interface module
W/o 8s8

5.3L VIN T, Power Distribution Wiring Diagram, Hybrid (3 of 7) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN T, Power Distribution Wiring Diagram, Hybrid (3 of 7) for GMC Sierra HD 2006 2500:

(left side of engine compt) underhood fuse block
(lower left side of dash)
(not used)
(passenger seat harness)
A c5
A c6
A/c comp fuse 10a
A/c comp relay
A10
A12
A7 c1
Aux pwr 2 fuse 20a
B c7
B10
B12
B2 c2
B7 c2
Body control module
Bucket
C c3
C9 c1
Ddm fuse 15a
Driver door module
Driver door unlock relay
Drl fuse 10a
Drl relay
E c10
E c7
E10
E11 c1
E12
E3 c3
E9 c1
Ecc/ tpm fuse 10a
Etc/ecm fuse 15a
Evaporative emissions (evap) canister purge solenoid
Exc base
F c3
F11 c1
Flash fuse 25a
Fog lp fuse 15a
Fog lp relay
From mbec 1 fuse (diagram 3 of 7)
From rvc fuse (diagram 2 of 7)
Fuel composition sensor
Fuel pump relay (secondary) (w/ dual tanks)
G c4
G104 (left rear of engine block)
Hdlp-hi relay
Hdlp-low relay
Horn relay
I/p junction block (right side of dash)
I/p relay block (near left kick panel)
Ign 1 relay
Intake air temperature (iat)/mass airflow (maf) sensor assembly
Lbec 1 fuse 50a
Lbec 2 fuse 50a
Left i/p fuse block
Lock relay
Locks fuse 20a
Lt door circuit breaker 25a
Lumbar bolster switch (front passenger)
M c4
Mbec 1 fuse 50a
Memory seat module (driver)
Non bucket
Park lp relay
Passenger door module
Pcm 1 fuse 15a
Pdm fuse 10a
Pnk
Power take off relay
Powertrain control module
Red
Rt doors circuit breaker 25a
S102
S328
Sba fuse 15a
Seat adjuster switch (driver)
Seat adjuster switch (front passenger)
Seats circuit breaker 30a
Tbc 2a fuse 15a
Tbc 2b fuse 15a
Tbc 2c fuse 15a
Throttle actuator control module
Tire pressure monitor (tpm) module
To hybrid pwr fuse (diagram 7 of 7)
To ign 1 relay (diagram 3 of 7)
To inj 1 fuse (diagram 4 of 7)
To seo ign fuse (diagram 6 of 7)
Turn signal/ hazard flasher module
Underhood fuse block (left side of engine compt)
Unlock relay
W/s wash fuse 15a
W/s wash relay
Window switch (left rear) (crew cab)
Window switch (right rear)

5.3L VIN T, Power Distribution Wiring Diagram, Hybrid (4 of 7) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN T, Power Distribution Wiring Diagram, Hybrid (4 of 7) for GMC Sierra HD 2006 2500:

Aux htr pmp fuse 15a
Aux htr pmp relay
C10
C340
D10
E10
Energy storage box (under rear pass seat)
Energy storage control module
Escm fuse 20a
From pcm 1 fuse (diagram 3 of 7)
From stud 1 fuse (diagram 1 of 7)
Fuel injector 1
Fuel injector 2
Fuel injector 3
Fuel injector 4
Fuel injector 5
Fuel injector 6
Fuel injector 7
Fuel injector 8
Hcm-b fuse 10a
Hybrid control module
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Ignition coil 5
Ignition coil 6
Ignition coil 7
Ignition coil 8
Inj 1 fuse 15a
Inj 2 fuse 15a
Pnk
Red
S115 17.5 cm from starter/ generator control module)
S159 (in engine harness)
S160 (in ignition coil jumper harness)
Trans pmp relay
Trans pump fuse 15a
Underhood fuse block (left side of engine compt)
Underhood secondary fuse block (left side of engine compt)

5.3L VIN T, Power Distribution Wiring Diagram, Hybrid (5 of 7) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN T, Power Distribution Wiring Diagram, Hybrid (5 of 7) for GMC Sierra HD 2006 2500:

(left side of dash) i/p fuse block
(man a/c)
4wd fuse 15a
Acc
Air temperature actuator (left)
Air temperature actuator (right)
Automatic transmission
Body control module
Brake fuse 10a
C1 c9
C1 e8
C175
Clutch start switch
Crank fuse 10a
Cruise
Cruise control module
Cruise control on/off switch
Cruise fuse 10a
E11
Electro hydraulic power steering module
Electronic brake control module
Energy storage control module
Exc m74 transmission
F10
From auxiliary battery relay (diagram 1 of 7)
From ign a fuse (diagram 1 of 7)
Front axle actuator
Htr/ac fuse 30a
Hvac 1 fuse 10a
Hvac control module
Hybrid control module
I/p junction block (behind right side of dash)
Ign 0 fuse 10a
Ignition switch
Lock
Mode actuator
Off
Pnk
Power takeoff (pto) switch
Powertrain control module
Pto
Recirculation actuator
Red
Run
S131 (5 cm from ehps conn breakout)
Start
Starter/ generator control module
Stoplamp switch
Tbc ign 0 fuse 10a
Traction control switch
Transfer case shift control switch
Transmission control module
Transmission control module (tcm)
Turn signal multifunction switch
Underhood fuse block (left side of engine compt)

5.3L VIN T, Power Distribution Wiring Diagram, Hybrid (6 of 7) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN T, Power Distribution Wiring Diagram, Hybrid (6 of 7) for GMC Sierra HD 2006 2500:

(left side of engine compt) underhood fuse block
(not used)
8s8
A/c comp relay
A/t
Acc
Airbag fuse 15a
B/u lp fuse 20a
Backup lamp switch
Body control module
C c8
C1 b2
C10
C340
C8 d
Clutch start switch (m/t)
D c5
D10 c1
Defog relay
E c3
Ehps-i fuse 10a
Electro hydraulic power steering module
Energy storage box (under rear pass seat)
Energy storage control module
F11
From ign 1 relay (diagram 3 of 7)
From ign b fuse (diagram 1 of 7)
Hcm-i fuse 10a
Hybrid control module
I/p fuse block (behind left side of dash)
I/p relay block (near left kick panel)
Ign e fuse 10a
Ignition switch
Inflatable restraint i/p module disable switch
Inflatable restraint passenger presence system module
Inflatable restraint sensing & diagnostic module
Inside rearview mirror
Instrument panel cluster
Lock
M/t
Mobile radio fuse block (upfitter option)
O2a fuse 15a
O2b fuse 15a
Off
Park/neutral position switch (a/t)
Pnk
Red
Relay a
Relay b
Rr wpr fuse 15a
Run
S116 (4 cm from underhood pnk
S204 (6 cm from p100)
Secondary fuse block)
Selectable ride switch
Seo accy fuse 10a
Seo ign fuse 10a
Start
Tbc accy fuse 10a
Tbc ign 1 fuse 10a
Trun signal multifunction switch
Turn signal/ multifunction switch
Underhood secondary fuse block (left side of engine compt)
W/o 8s8
Windshield wiper motor & module
Ws wpr fuse 25a

5.3L VIN T, Power Distribution Wiring Diagram, Hybrid (7 of 7) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN T, Power Distribution Wiring Diagram, Hybrid (7 of 7) for GMC Sierra HD 2006 2500:

(23 cm from underhood secondary fuse block) s108
(in accessory power receptacle harness)
Apo neutral
Apo phase a
Apo sw sig
Aux htr pmp relay
Auxiliary power outlet switch
Coil ctrl
Computer data lines system
Energy storage box (under rear pass seat)
Exterior auxiliary power outlet (120 vac)
From ign 1 relay (diagram 3 of 7)
From ign b fuse (diagram 1 of 7)
G311 (in energy storage box)
G405 (right rear frame rail)
Gmlan data (+)
Gmlan data (-)
Gnd
Heated oxygen sensor bank 1 sensor 1
Heated oxygen sensor bank 1 sensor 2
Heated oxygen sensor bank 2 sensor 1
Heated oxygen sensor bank 2 sensor 2
Hybrid control module (left side of engine compt)
Hybrid o2a fuse 15a
Hybrid o2b fuse 15a
Hybrid pwr fuse 15a
Ind ctrl
Interior auxiliary power outlet (120 vac)
Interior lights system
Loop sig-1
Loop sig-2
Low ref
Nca
Park/ neutral position switch
Pickup box inner panel assembly
Pnk
Pwr maint fuse 10a
Pwr maint relay
Red
Red (8 cm from underhood secondary fuse block breakout) s114
S113 (11.5 cm from knock sensor conn breakout)
S130
S134
S327
S330
S331
S332
S430
Sgcm cool pmp/ fan relay
Starter generator control module (right rear side of eng compt)
Tan
Trans pmp relay
Underhood secondary fuse block (left side of engine compt)

5.3L VIN Z

5.3L VIN Z, Power Distribution Wiring Diagram (1 of 6) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN Z, Power Distribution Wiring Diagram (1 of 6) for GMC Sierra HD 2006 2500:

(18.5 cm from trailer conn breakout)
(base) (exc base)
(in seo harness)
(not used)
125a
40a
4ws fuse 15a
A c1
A c6
A c7
A12
Abs fuse 60a
Audio amplifier
Auxiliary battery relay (right rear of engine compt)
B c9
B11 c1
B12 c1
B2 c3
Battery (left)
Battery (right)
Battery (right) (w/aux battery)
Battery cable junction block
Body control module
C7 b
C9 d
Cig ltr fuse 15a
Cigar lighter
Cool fan fuse 10a
Cool fan fuse 40a
Cool/fan relay 1
Cool/fan relay 2
Cool/fan relay 3
Cust feed fuse
D12 c1
Data link connector
Digital radio receiver
E10
Eap fuse 15a
Electronic brake control module
Emergency vehicle roof lamp relay
Evaporative emissions canister vent solenoid
Except 4.3l
Except luxury
F2 c1
Fuse b 30a
Fuse d 30a
Fusible link 5 (5 ga- red)
G104 (left rear of engine block)
G200 (behind right side of dash, near "a" pillar)
Generator (4.3l & 8.1l)
Generator (4.8l, 5.3l & 6.0l)
Harness)
I/p junction block (right side of dash)
I/p relay block (left of steering column)
I/p relay block (near left kick panel)
Ign a fuse 40a
Ign b fuse 40a
Luxury
Mega fuse
Mobile radio fuse block (behind right side of dash)
Nca
Radio
Radio amp fuse 30a
Radio fuse 15a
Rear seat audio (rsa) controller
Red
Relay a
Relay b
Rr wiper fuse 25a
Rtd fuse 30a
S/roof fuse 25a
S102
S205 s303
S220 (in seo red
S221
S222
S416
Starter
Starter relay
Stud 1 fuse 40a
Stud 2 fuse 30a
Sunroof control module
Tbc batt fuse 10a
To 4wd fuse (diagram 5 of 6)
To ignition switch (diagram 5 of 6)
To ignition switch (diagram 6 of 6)
To ipc/dic fuse (diagram 2 of 6)
Trailer connector (7 way)
Underhood cooling fan fuse block (left side of eng compt)
Underhood fuse block (left side of engine compt)
Vses/ ecas fuse 60a
W/ aux battery
W/ dual batteries
W/ wrecker emergency lamp
Wrecker relay

5.3L VIN Z, Power Distribution Wiring Diagram (2 of 6) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN Z, Power Distribution Wiring Diagram (2 of 6) for GMC Sierra HD 2006 2500:

(6.4 cm from c202 breakout) s335
(left side of engine compt) underhood fuse block
(not used)
8s8
A c10
A10
Auto a/c
Aux pwr fuse 20a
Auxiliary power outlet (bin)
Auxiliary power outlet (console)
Auxiliary power outlet (front)
B c5
B11
B11 c1
Blower fuse 40a
Blower motor control module
Blower motor resistor assembly
C1 c2
C1 f12
C10
C3 b
C4 d
C4 e6
C8 a
D12
Defog relay
E c8
E11 c1
Except luxury
F/pmp relay
From radio fuse (diagram 1 of 6)
G200 (behind right side of dash, near "a" pillar)
Garage door opener
Generator battery control module (10 series)
Hvac control module
Hvac/ecas fuse 10a
I/p junction block (right side of dash)
I/p relay block (near left kick panel)
Info fuse 15a
Instrument panel cluster
Ipc/dic fuse 10a
Lh hid fuse 20a
Luxury
Manual a/c
Nca
Overhead console
Pcm b fuse 20a
Powertrain control module
Rear seat entertainment assembly
Red
Remote playback device (cd player)
Rh hid fuse 20a
Roof beacon relay
Roof beacon switch
Rr defog fuse 30a
Rr hvac fuse 30a
Rvc fuse 10a
Seo b1 fuse 15a
Seo b2 fuse 30a
Stop lp fuse 25a
Stoplamp switch
Tcm b fuse 10a
To lbec 1 fuse (diagram 3 of 6)
Transfer case encoder motor
Transfer case shift control module
Transmission control module (tcm)
Trec fuse 30a
Vehicle communication interface module
W/o 8s8

5.3L VIN Z, Power Distribution Wiring Diagram (3 of 6) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN Z, Power Distribution Wiring Diagram (3 of 6) for GMC Sierra HD 2006 2500:

(left side of engine compt) underhood fuse block
(lower left side of dash)
(not used)
(passenger seat harness)
A c5
A c6
A/c comp fuse 10a
A/c comp relay
A10
A12
A7 c1
Aux pwr 2 fuse 20a
B c7
B10
B12
B2 c2
B7 c2
Body control module
Bucket
C c3
C9 c1
Ddm fuse 15a
Driver door module
Driver door unlock relay
Drl fuse 10a
Drl relay
E c10
E c7
E10
E11 c1
E12
E3 c3
Ecc/ tpm fuse 10a
Etc/ecm fuse 15a
Evaporative emissions (evap) canister purge solenoid
Exc base
F c3
F11 c1
Flash fuse 25a
Fog lp fuse 15a
Fog lp relay
From mbec 1 fuse (diagram 3 of 6)
From pcm b fuse (diagram 2 of 6)
Fuel composition sensor
Fuel pump relay (secondary) (w/ dual tanks)
G c4
G104 (left rear of engine block)
Hdlp-hi relay
Hdlp-low relay
Horn relay
I/p junction block (right side of dash)
I/p relay block (near left kick panel)
Ign 1 relay
Intake air temperature (iat)/mass airflow (maf) sensor assembly
Lbec 1 fuse 50a
Lbec 2 fuse 50a
Left i/p fuse block
Lock relay
Locks fuse 20a
Lt door circuit breaker 25a
Lumbar bolster switch (front passenger)
M c4
Mbec 1 fuse 50a
Memory seat module (driver)
Non bucket
Park lp relay
Passenger door module
Pcm 1 fuse 15a
Pdm fuse 10a
Pnk
Power take off relay
Powertrain control module
Red
Rt doors circuit breaker 25a
S102
S328
Sba fuse 15a
Seat adjuster switch (driver)
Seat adjuster switch (front passenger)
Seats circuit breaker 30a
Tbc 2a fuse 15a
Tbc 2b fuse 15a
Tbc 2c fuse 15a
Throttle actuator control module (except 4.3l)
Tire pressure monitor (tpm) module
To ign 1 relay (diagram 3 of 6)
To inj 1 fuse (diagram 4 of 6)
To seo ign fuse (diagram 6 of 6)
Turn signal/ hazard flasher module
Underhood fuse block (left side of engine compt)
Unlock relay
W/s wash fuse 15a
W/s wash relay
Window switch (left rear) (crew cab)
Window switch (right rear)

5.3L VIN Z, Power Distribution Wiring Diagram (4 of 6) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN Z, Power Distribution Wiring Diagram (4 of 6) for GMC Sierra HD 2006 2500:

(4.3l)
(4.8l, 5.3, 6.0l)
(4.8l, 5.3l, 6.0l)
(in injector jumper harn)
(not used)
4.3l
4.3l, 4.8l, 5.3l, 6.0l
4.8l, 5.3l, 6.0l, 8.1l
8.1l
C10
D10
E10
Except 4.3l
From pcm 1 fuse (diagram 3 of 6)
Fuel injector 1
Fuel injector 2
Fuel injector 3
Fuel injector 4
Fuel injector 5
Fuel injector 6
Fuel injector 7
Fuel injector 8
Ignition coil
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Ignition coil 5
Ignition coil 6
Ignition coil 7
Ignition coil 8
Ignition control module
Inj 1 fuse 15a
Inj 2 fuse 15a
Pnk
Pnk a
S152 (in injector jumper harness)
S154
S159 (in engine harness)
S160 (in ignition coil jumper harness)
Underhood fuse block (left side of engine compt)

5.3L VIN Z, Power Distribution Wiring Diagram (5 of 6) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN Z, Power Distribution Wiring Diagram (5 of 6) for GMC Sierra HD 2006 2500:

(man a/c)
(over 8600 gvw) (8600 gvw or less)
4wd fuse 15a
A/t shift lever
Acc
Air temperature actuator (left)
Air temperature actuator (right)
Automatic transmission
B10 a1
Body control module
Brake fuse 10a
C1 c9
C1 e8
C175
C2 c2
Clutch start switch
Crank fuse 10a
Cruise
Cruise control module
Cruise control on/off switch
Cruise fuse 10a
Driver shift request switch
E11
Electronic brake control module
Exc m74 transmission
F10
From auxiliary battery relay (diagram 1 of 6)
From ign a fuse (diagram 1 of 6)
Front axle actuator
Htr/ac fuse 30a
Hvac 1 fuse 10a
Hvac control module
I/p fuse block (left side of dash)
I/p junction block (behind right side of dash)
Ign 0 fuse 10a
Ignition switch
Lock
Mode actuator
Off
Pnk
Power takeoff (pto) switch
Powertrain control module
Pto
Recirculation actuator
Red
Run
Start
Stoplamp switch
Tbc ign 0 fuse 10a
Traction control switch
Transfer case shift control switch
Transmission control module (tcm)
Turn signal multifunction switch
Underhood fuse block (left side of engine compt)

5.3L VIN Z, Power Distribution Wiring Diagram (6 of 6) for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN Z, Power Distribution Wiring Diagram (6 of 6) for GMC Sierra HD 2006 2500:

(left side of engine compt) underhood fuse block
(not used)
8s8
A/c comp relay
A/t
Acc
Airbag fuse 15a
B/u lp fuse 20a
Backup lamp switch
Body control module
C c8
C1 b2
C10
C8 d
Clutch start switch (m/t)
D c5
D10 c1
Defog relay
E c3
Exc 8.1l w/o california lev
F11
From ign 1 relay (diagram 3 of 6)
From ign b fuse (diagram 1 of 6)
Heated oxygen sensor bank 1 sensor 1
Heated oxygen sensor bank 1 sensor 2
Heated oxygen sensor bank 2 sensor 1
Heated oxygen sensor bank 2 sensor 2
I/p fuse block (behind left side of dash)
I/p relay block (near left kick panel)
Ign e fuse 10a
Ignition switch
Inflatable restraint i/p module disable switch
Inflatable restraint passenger presence system module
Inflatable restraint sensing & diagnostic module
Inside rearview mirror
Instrument panel cluster
Lock
M/t
Mobile radio fuse block (upfitter option)
Nca
O2a fuse 15a
O2b fuse 15a
Off
Park/neutral position switch (a/t)
Pnk
Red
Relay a
Relay b
Rr wpr fuse 15a
Run
Selectable ride switch
Seo accy fuse 10a
Seo ign fuse 10a
Start
Tbc accy fuse 10a
Tbc ign 1 fuse 10a
Turn signal multifunction switch
Turn signal/ multifunction switch
W/o 8s8
Windshield wiper motor & module
Ws wpr fuse 25a

6.0L VIN N

6.0L VIN N, Power Distribution Wiring Diagram (1 of 6) for GMC Sierra HD 2006 2500

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List of elements for 6.0L VIN N, Power Distribution Wiring Diagram (1 of 6) for GMC Sierra HD 2006 2500:

(18.5 cm from trailer conn breakout)
(base) (exc base)
(in seo harness)
(not used)
125a
40a
4ws fuse 15a
A c1
A c6
A c7
A12
Abs fuse 60a
Audio amplifier
Auxiliary battery relay (right rear of engine compt)
B c9
B11 c1
B12 c1
B2 c3
Battery (left)
Battery (right)
Battery (right) (w/aux battery)
Battery cable junction block
Body control module
C7 b
C9 d
Cig ltr fuse 15a
Cigar lighter
Cool fan fuse 10a
Cool fan fuse 40a
Cool/fan relay 1
Cool/fan relay 2
Cool/fan relay 3
Cust feed fuse
D12 c1
Data link connector
Digital radio receiver
E10
Eap fuse 15a
Electronic brake control module
Emergency vehicle roof lamp relay
Evaporative emissions canister vent solenoid
Except 4.3l
Except luxury
F2 c1
Fuse b 30a
Fuse d 30a
Fusible link 5 (5 ga- red)
G104 (left rear of engine block)
G200 (behind right side of dash, near "a" pillar)
Generator (4.3l & 8.1l)
Generator (4.8l, 5.3l & 6.0l)
Harness)
I/p junction block (right side of dash)
I/p relay block (left of steering column)
I/p relay block (near left kick panel)
Ign a fuse 40a
Ign b fuse 40a
Luxury
Mega fuse
Mobile radio fuse block (behind right side of dash)
Nca
Radio
Radio amp fuse 30a
Radio fuse 15a
Rear seat audio (rsa) controller
Red
Relay a
Relay b
Rr wiper fuse 25a
Rtd fuse 30a
S/roof fuse 25a
S102
S205 s303
S220 (in seo red
S221
S222
S416
Starter
Starter relay
Stud 1 fuse 40a
Stud 2 fuse 30a
Sunroof control module
Tbc batt fuse 10a
To 4wd fuse (diagram 5 of 6)
To ignition switch (diagram 5 of 6)
To ignition switch (diagram 6 of 6)
To ipc/dic fuse (diagram 2 of 6)
Trailer connector (7 way)
Underhood cooling fan fuse block (left side of eng compt)
Underhood fuse block (left side of engine compt)
Vses/ ecas fuse 60a
W/ aux battery
W/ dual batteries
W/ wrecker emergency lamp
Wrecker relay

6.0L VIN N, Power Distribution Wiring Diagram (2 of 6) for GMC Sierra HD 2006 2500

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List of elements for 6.0L VIN N, Power Distribution Wiring Diagram (2 of 6) for GMC Sierra HD 2006 2500:

(6.4 cm from c202 breakout) s335
(left side of engine compt) underhood fuse block
(not used)
8s8
A c10
A10
Auto a/c
Aux pwr fuse 20a
Auxiliary power outlet (bin)
Auxiliary power outlet (console)
Auxiliary power outlet (front)
B c5
B11
B11 c1
Blower fuse 40a
Blower motor control module
Blower motor resistor assembly
C1 c2
C1 f12
C10
C3 b
C4 d
C4 e6
C8 a
D12
Defog relay
E c8
E11 c1
Except luxury
F/pmp relay
From radio fuse (diagram 1 of 6)
G200 (behind right side of dash, near "a" pillar)
Garage door opener
Generator battery control module (10 series)
Hvac control module
Hvac/ecas fuse 10a
I/p junction block (right side of dash)
I/p relay block (near left kick panel)
Info fuse 15a
Instrument panel cluster
Ipc/dic fuse 10a
Lh hid fuse 20a
Luxury
Manual a/c
Nca
Overhead console
Pcm b fuse 20a
Powertrain control module
Rear seat entertainment assembly
Red
Remote playback device (cd player)
Rh hid fuse 20a
Roof beacon relay
Roof beacon switch
Rr defog fuse 30a
Rr hvac fuse 30a
Rvc fuse 10a
Seo b1 fuse 15a
Seo b2 fuse 30a
Stop lp fuse 25a
Stoplamp switch
Tcm b fuse 10a
To lbec 1 fuse (diagram 3 of 6)
Transfer case encoder motor
Transfer case shift control module
Transmission control module (tcm)
Trec fuse 30a
Vehicle communication interface module
W/o 8s8

6.0L VIN N, Power Distribution Wiring Diagram (3 of 6) for GMC Sierra HD 2006 2500

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List of elements for 6.0L VIN N, Power Distribution Wiring Diagram (3 of 6) for GMC Sierra HD 2006 2500:

(left side of engine compt) underhood fuse block
(lower left side of dash)
(not used)
(passenger seat harness)
A c5
A c6
A/c comp fuse 10a
A/c comp relay
A10
A12
A7 c1
Aux pwr 2 fuse 20a
B c7
B10
B12
B2 c2
B7 c2
Body control module
Bucket
C c3
C9 c1
Ddm fuse 15a
Driver door module
Driver door unlock relay
Drl fuse 10a
Drl relay
E c10
E c7
E10
E11 c1
E12
E3 c3
Ecc/ tpm fuse 10a
Etc/ecm fuse 15a
Evaporative emissions (evap) canister purge solenoid
Exc base
F c3
F11 c1
Flash fuse 25a
Fog lp fuse 15a
Fog lp relay
From mbec 1 fuse (diagram 3 of 6)
From pcm b fuse (diagram 2 of 6)
Fuel composition sensor
Fuel pump relay (secondary) (w/ dual tanks)
G c4
G104 (left rear of engine block)
Hdlp-hi relay
Hdlp-low relay
Horn relay
I/p junction block (right side of dash)
I/p relay block (near left kick panel)
Ign 1 relay
Intake air temperature (iat)/mass airflow (maf) sensor assembly
Lbec 1 fuse 50a
Lbec 2 fuse 50a
Left i/p fuse block
Lock relay
Locks fuse 20a
Lt door circuit breaker 25a
Lumbar bolster switch (front passenger)
M c4
Mbec 1 fuse 50a
Memory seat module (driver)
Non bucket
Park lp relay
Passenger door module
Pcm 1 fuse 15a
Pdm fuse 10a
Pnk
Power take off relay
Powertrain control module
Red
Rt doors circuit breaker 25a
S102
S328
Sba fuse 15a
Seat adjuster switch (driver)
Seat adjuster switch (front passenger)
Seats circuit breaker 30a
Tbc 2a fuse 15a
Tbc 2b fuse 15a
Tbc 2c fuse 15a
Throttle actuator control module (except 4.3l)
Tire pressure monitor (tpm) module
To ign 1 relay (diagram 3 of 6)
To inj 1 fuse (diagram 4 of 6)
To seo ign fuse (diagram 6 of 6)
Turn signal/ hazard flasher module
Underhood fuse block (left side of engine compt)
Unlock relay
W/s wash fuse 15a
W/s wash relay
Window switch (left rear) (crew cab)
Window switch (right rear)

6.0L VIN N, Power Distribution Wiring Diagram (4 of 6) for GMC Sierra HD 2006 2500

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List of elements for 6.0L VIN N, Power Distribution Wiring Diagram (4 of 6) for GMC Sierra HD 2006 2500:

(4.3l)
(4.8l, 5.3, 6.0l)
(4.8l, 5.3l, 6.0l)
(in injector jumper harn)
(not used)
4.3l
4.3l, 4.8l, 5.3l, 6.0l
4.8l, 5.3l, 6.0l, 8.1l
8.1l
C10
D10
E10
Except 4.3l
From pcm 1 fuse (diagram 3 of 6)
Fuel injector 1
Fuel injector 2
Fuel injector 3
Fuel injector 4
Fuel injector 5
Fuel injector 6
Fuel injector 7
Fuel injector 8
Ignition coil
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Ignition coil 5
Ignition coil 6
Ignition coil 7
Ignition coil 8
Ignition control module
Inj 1 fuse 15a
Inj 2 fuse 15a
Pnk
Pnk a
S152 (in injector jumper harness)
S154
S159 (in engine harness)
S160 (in ignition coil jumper harness)
Underhood fuse block (left side of engine compt)

6.0L VIN N, Power Distribution Wiring Diagram (5 of 6) for GMC Sierra HD 2006 2500

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List of elements for 6.0L VIN N, Power Distribution Wiring Diagram (5 of 6) for GMC Sierra HD 2006 2500:

(man a/c)
(over 8600 gvw) (8600 gvw or less)
4wd fuse 15a
A/t shift lever
Acc
Air temperature actuator (left)
Air temperature actuator (right)
Automatic transmission
B10 a1
Body control module
Brake fuse 10a
C1 c9
C1 e8
C175
C2 c2
Clutch start switch
Crank fuse 10a
Cruise
Cruise control module
Cruise control on/off switch
Cruise fuse 10a
Driver shift request switch
E11
Electronic brake control module
Exc m74 transmission
F10
From auxiliary battery relay (diagram 1 of 6)
From ign a fuse (diagram 1 of 6)
Front axle actuator
Htr/ac fuse 30a
Hvac 1 fuse 10a
Hvac control module
I/p fuse block (left side of dash)
I/p junction block (behind right side of dash)
Ign 0 fuse 10a
Ignition switch
Lock
Mode actuator
Off
Pnk
Power takeoff (pto) switch
Powertrain control module
Pto
Recirculation actuator
Red
Run
Start
Stoplamp switch
Tbc ign 0 fuse 10a
Traction control switch
Transfer case shift control switch
Transmission control module (tcm)
Turn signal multifunction switch
Underhood fuse block (left side of engine compt)

6.0L VIN N, Power Distribution Wiring Diagram (6 of 6) for GMC Sierra HD 2006 2500

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List of elements for 6.0L VIN N, Power Distribution Wiring Diagram (6 of 6) for GMC Sierra HD 2006 2500:

(left side of engine compt) underhood fuse block
(not used)
8s8
A/c comp relay
A/t
Acc
Airbag fuse 15a
B/u lp fuse 20a
Backup lamp switch
Body control module
C c8
C1 b2
C10
C8 d
Clutch start switch (m/t)
D c5
D10 c1
Defog relay
E c3
Exc 8.1l w/o california lev
F11
From ign 1 relay (diagram 3 of 6)
From ign b fuse (diagram 1 of 6)
Heated oxygen sensor bank 1 sensor 1
Heated oxygen sensor bank 1 sensor 2
Heated oxygen sensor bank 2 sensor 1
Heated oxygen sensor bank 2 sensor 2
I/p fuse block (behind left side of dash)
I/p relay block (near left kick panel)
Ign e fuse 10a
Ignition switch
Inflatable restraint i/p module disable switch
Inflatable restraint passenger presence system module
Inflatable restraint sensing & diagnostic module
Inside rearview mirror
Instrument panel cluster
Lock
M/t
Mobile radio fuse block (upfitter option)
Nca
O2a fuse 15a
O2b fuse 15a
Off
Park/neutral position switch (a/t)
Pnk
Red
Relay a
Relay b
Rr wpr fuse 15a
Run
Selectable ride switch
Seo accy fuse 10a
Seo ign fuse 10a
Start
Tbc accy fuse 10a
Tbc ign 1 fuse 10a
Turn signal multifunction switch
Turn signal/ multifunction switch
W/o 8s8
Windshield wiper motor & module
Ws wpr fuse 25a

POWER DOOR LOCKS

Power Door Locks Wiring Diagram, Base for GMC Sierra HD 2006 2500

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List of elements for Power Door Locks Wiring Diagram, Base for GMC Sierra HD 2006 2500:

A12
B10
B11
B12
Battery
Body control module (bcm) (on lower left side of dash, near steering column)
C1 b3
C1 c5
C1 d10
C3 m
D11
D12
Door lock ctrl
Door lock sw in
Door unlock ctrl
Door unlock sw in
Driver door latch assembly
Driver door lock switch
Driver door unlock
Driver unlock relay
Front passenger door latch assembly
Front passenger door lock switch
G200 (behind right side of dash)
G203 (behind left side of dash, near left "a" pillar)
Ground
Hot at all times
I/p fuse block (lower left side of dash)
I/p junction block (right side of dash, behind access panel)
I/p relay block (near left kick panel)
Ignition key alarm switch (on steering column)
Ignition key switch
Instrument panel cluster
Left rear door latch assembly
Lock
Lock actuator
Lock relay
Locks fuse 20a
Right rear door latch assembly
S202
S217
Serial data
Splice pack sp205 (in i/p harn)
Tan
Tbc batt fuse 10a
Underhood fuse block (on left side of engine compt)
Unlk
Unlock relay

Power Door Locks Wiring Diagram, Up Level (1 of 2) for GMC Sierra HD 2006 2500

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List of elements for Power Door Locks Wiring Diagram, Up Level (1 of 2) for GMC Sierra HD 2006 2500:

7e c1
A c1
A12
B12
Battery
Body control module (on lower left side of dash, near steering column)
C1 a7
C1 b
C1 c5
C1 c9
C3 a
D12 c1
Ddm fuse 15a
Door lock switch
Driver door latch assembly (rear of driver's door)
Driver door module (inside driver door)
E c7
Front passenger door latch assembly (rear of front passenger's door)
Front passenger door module (inside right front passenger door)
G203 (near left kick panel)
Ground
Hot at all times
I/p fuse block (lower left side of dash)
I/p junction block (right side of dash, behind access panel)
I/p relay block (near left kick panel)
Ign key sw
Ignition key alarm switch (on steering column)
Internal antenna
J c3
Key sw
Key sw sig
Key switch
Lock
Lock actuator
Lock ctrl
Lt door c.b. 25a
Pdm fuse 15a
Rt door c.b. 25a
S217
Serial data
Tan
Tbc batt fuse 10a
Underhood fuse block (on left side of engine compt)
Unlock
Unlock ctrl

Power Door Locks Wiring Diagram, Up Level (2 of 2) for GMC Sierra HD 2006 2500

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List of elements for Power Door Locks Wiring Diagram, Up Level (2 of 2) for GMC Sierra HD 2006 2500:

(not used)
4a c1
7b c1
A c4
A2 c1
A3 c1
C7 b
D c3
F c2
F c4
G200 (behind right side of dash)
Hot at all times
I/p fuse block (lower left side of dash)
I/p junction block (right side of dash, behind access panel)
Instrument panel cluster
L c4
Left rear door latch assembly
Lock actuator
Lock relay
Locks fuse 20a
Right rear door latch assembly
S202
Splice pack sp205 (in i/p harn)
Tan
Unlock relay

POWER MIRRORS

Electrochromic Mirror Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for Electrochromic Mirror Wiring Diagram for GMC Sierra HD 2006 2500:

A7 c1
Air temp sensor
Airbag fuse 15a
Ambient photo sensor
B12
Back up lamp voltage output c5
Back up voltage
Body control module (bcm) (on lower left side of dash, below steering column)
Body relay block
Compass
Computer data lines system
Driver door module (ddm) (in driver's door)
Driver outside rearview mirror
Electrochromic mirror
Exterior lights system (back up circuit)
G200 (near right "a" pillar)
Ground
Hot in run & start
Ign 3
Inside rearview mirror
Left i/p fuse block (lower left side of dash)
Low ref
Mir signal
On/off
Outside air temperature sensor (at center of core support, behind grille)
Pnk
Rr light photo sensor
S345
Selector switch
Serial data
Temp
Underhood fuse block (left side of engine compt)

Power Mirrors Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for Power Mirrors Wiring Diagram for GMC Sierra HD 2006 2500:

5 volt ref
B11
Battery
Class 2 serial data
Computer data lines system
Ddm fuse 15a
Down
Driver door module (in driver's door)
Driver mirror
Driver outside rearview mirror
Electro- chromic
Folding/ telescoping motor
Front passenger door module (in right front door)
Front passenger outside rearview mirror
G200 (near right "a" pillar)
Ground
Heating element
Horizontal
Hot at all times
Hvac control module (in center of dash)
I/p fuse block (lower left side of dash)
I/p relay block (near left kick panel)
Left
Left i/p fuse block (lower left side of dash)
Low ref
Lt doors circuit breaker 25a
Mir htr low ref
Mir htr sply voltage
Mir mtr dwn ctrl
Mir mtr extend ctrl
Mir mtr retract ctrl
Mir mtr rt ctrl
Mir position sens sig
Mir sens low ref
Mir signal
Mtr position sens sig
Pass- enger mirror
Pdm fuse 10a
Pnk
Red
Right
Right i/p fuse block (lower right side of dash)
Rt door circuit breaker 25a
Rt/dwn mtr common
S202
Switch power
Tan
Vert posit sens sig
Vertical

POWER SEATS

Driver Seat Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for Driver Seat Wiring Diagram for GMC Sierra HD 2006 2500:

Back
C10
Crew cab
Driver seat adjuster switch
Driver seat front vertical motor
Driver seat horizontal motor
Driver seat rear vertical motor
Except crew cab
Front dn
Front up
Fwd
G305 (on left "b" pillar)
G306 (on right "b" pillar)
Hot at all times
I/p relay block
Rear dn
Rear up
Red
Seats circuit breaker 30a
Tan

Heated Seats Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for Heated Seats Wiring Diagram for GMC Sierra HD 2006 2500:

(in driver seat harness)
(in driver's seat harness) s311
(not used)
Back & cushion select
Back only ind
Back only indicator
Back only select
Batt
Batt (+)
Bck & csh select
C1 4a
C1 a7
C1 c9
C1 f6
C10 h
C2 f
C3 c
C3 d
C3 f
C4 a
C7 c
C7 e
Computer data lines system
Ddm fuse 15a
Driver back heated seat element
Driver cushion heated seat element
Driver door module
Element control
Front passenger back heated seat element
Front passenger cushion heated seat element
Front passenger door module
G200 (behind right side of dash, near right "a" pillar)
G305 (crew cab) (on left "b" pillar)
G306 (except crew cab) (on right "b" pillar)
Gnd
Ground
Hi heat ind
Hi heat indicator
Hot at all times
I/p relay block
Left i/p fuse block
Low heat ind
Low heat indicator
Low ref
Lt doors circuit breaker 25a
Med heat ind
Med heat indicator
Memory seat module (underside of left front seat)
Memory/heated seat switch
Pdm fuse 10a
Pnk
Right i/p fuse block
Rt doors circuit breaker 30a
S202
S314
Seats circuit breaker 30a
Serial data
Switch power
Tan
Temp signal

Passenger Power Seat Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for Passenger Power Seat Wiring Diagram for GMC Sierra HD 2006 2500:

Back
C10
Fr dn
Fr up
Front passenger seat adjuster switch
Front passenger seat front vertical motor
Front passenger seat horizontal motor
Front passenger seat rear recliner motor
Front passenger seat rear vertical motor
Fwd
G306 (on right "b" pillar)
Hot at all times
I/p relay block
Red
Rr dn
Rr up
S328
S329
Seats circuit breaker 30a
Tan

Passenger"s Lumbar Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for Passenger"s Lumbar Wiring Diagram for GMC Sierra HD 2006 2500:

C10 e
Front passenger lumbar/ bolster switch
Front passenger seat bolster m0tor
Front passenger seat lumbar m0tor
G306 (on right "b" pillar)
Hot at all times
I/p relay block
Out
Pnk
S328
S329
Seats circuit breaker 30a

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for Power Top/Sunroof Wiring Diagram for GMC Sierra HD 2006 2500:

(not used)
B11
Body control module (on lower left side of dash, below steering column)
C353
Closed
G200 (behind right side of dash, near right "a" pillar)
Grd
Hall eff sensor 1
Hall eff sensor 2
Harness)
Hot at all times
I/p junction block (on lower left side of dash) c6
Low ref
Manu mode
Open
S352
Sunroof control module
Sunroof fuse 25a
Sunroof motor
Sunroof mtr close
Sunroof mtr open
Sunroof sw close
Sunroof sw open
Sunroof switch
Tan
Underhood fuse block (at left side of engine compartment)

POWER WINDOWS

Power Windows Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for Power Windows Wiring Diagram for GMC Sierra HD 2006 2500:

(crew cab)
Access panel)
B+ volt
B12
Bcm class 2 serial data
Body control module (lower left side of dash, below steering column)
C1 e5
C10
C3 j
C396
C7 e
Class 2 serial data
Driver door module
Driver window
Driver window motor
Front passenger door module
Front passenger window motor
G305 (on left "b" pillar)
G306 (on right "b" pillar)
Ground
Hot at all times
I/p fuse block (lower left side of dash)
I/p junction block (right side of dash, behind
I/p relay block (near left kick panel)
Illumination
Interior lights system
Left rear window
Left rear window motor
Left rear window switch (crew cab only)
Logic
Lr window (crew cab)
Lt doors circuit breaker 25a
Pwr wnd lockout lr sig
Pwr wnd lockout lr signal
Pwr wnd lockout rr sig
Pwr wnd lockout rr signal
Pwr wnd motor lf down ctrl
Pwr wnd motor lf up ctrl
Pwr wnd motor lr rear down ctrl
Pwr wnd motor lr rear up ctrl
Pwr wnd motor rf down ctrl
Pwr wnd motor rf up ctrl
Pwr wnd motor rr rear down ctrl
Pwr wnd motor rr rear 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
Right rear window motor
Right window switch (crew cab only)
Rr window (crew cab)
Rt doors circuit breaker 25a
Splice pack sp205
Switch power
Tan
Window down
Window lockout indicator down
Window lockout switch
Window passenger
Window switch passenger
Window up

RADIO

Base Radio Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for Base Radio Wiring Diagram for GMC Sierra HD 2006 2500:

A10
A11
A12
Antenna
Aud out -
B10
B11
B12
Bare
Cell voice sig
Coax
Common aud sig
Computer data lines system
Digital radio antenna
Digital radio receiver (if equipped) (behind right side of instrument panel)
Drain wire
G203 (near left "a" pillar)
Ground
Hot at all times
I/p fuse block (on lower left side of dash)
I/p relay block (near left kick panel)
Left aud sig
Left front door speaker
Left front tweeter speaker
Left rear door speaker (except standard cab) left rear speaker (standard cab)
Lf aud +
Lf spk out+
Lf spk out-
Lr spk out +
Lr spk out -
Radio
Radio fuse 15a
Rf spk out +
Rf spk out -
Right aud sig
Right front door speaker
Right front tweeter speaker
Right rear door speaker (except standard cab) right rear speaker (standard cab)
Rr spk out+
Rr spk out-
Rt aud +
Serial data
Tan
Underhood fuse block (at left side of engine compartment)
Vehicle communication interface module (behind passenger air bag module)
Voice low ref
Voice signal

Mid-Line Radio Wiring Diagram, with Rear Seat Audio (1 of 4) for GMC Sierra HD 2006 2500

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List of elements for Mid-Line Radio Wiring Diagram, with Rear Seat Audio (1 of 4) for GMC Sierra HD 2006 2500:

A10
A11
A12
Antenna
B10
B11
B12
B31
Bare
Bcm class 2 serial data
Body control module (below steering column)
C201
C277
Cell voice sig
Coax
Common aud sig
Computer data lines system
Drain wire
Enable sig
Engine controls system
G203 (near left "a" pillar)
Ground
I/p relay block (near left kick panel)
Inflatable restraint steering wheel module coil
Left aud sig
Lf spk out+
Lf spk out-
Lr aud sig+
Lr aud sig-
Lr spk out +
Lr spk out -
Nca
Pnk
Prog
Radio
Radio mute
Radio on sig
Rear seat audio controller (on rear of center console)
Remote radio control signal
Rf spk out +
Rf spk out -
Right aud sig
Rr aud sig+
Rr aud sig-
S320
Seek dn
Seek up
Serial data
Source dn
Source up
Tan
Upper left steering wheel control switch assembly
Upper right steering wheel control switch assembly
Vehicle communication interface module (behind passenger air bag module)
Voice
Voice low ref
Voice signal
Vol dn
Vol up
Vss signal

Mid-Line Radio Wiring Diagram, with Rear Seat Audio (2 of 4) for GMC Sierra HD 2006 2500

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List of elements for Mid-Line Radio Wiring Diagram, with Rear Seat Audio (2 of 4) for GMC Sierra HD 2006 2500:

A10
A11
A12
Audio amplifier
B10
B11
B12
Bare
Drain wire
Ground
Hot at all times
I/p fuse 2a block (on lower left side a of dash)
I/p fuse block (on lower left side of dash)
I/p relay block (below lower left side of dash)
L spk out+
L spk out-
Left front door speaker
Left front tweeter speaker
Left rear door speaker
Lf aud sig+
Lf aud sig-
Lf spkr out+
Lf spkr out-
Lr aud sig+
Lr aud sig-
Lr spkr out+
Lr spkr out-
Pnk
R spk out+
R spk out-
Radio amp fuse 30a
Radio fuse 15a
Radio mute
Radio on sig
Rf aud sig+
Rf aud sig-
Rf spkr out+
Rf spkr out-
Right front door speaker
Right front tweeter speaker
Right rear door speaker
Rr aud sig+
Rr aud sig-
Rr spkr out+
Rr spkr out-
Rsa enable
Subwoofer speaker
Tan
Underhood fuse block (at left side of engine compartment)

Mid-Line Radio Wiring Diagram, with Rear Seat Audio (3 of 4) for GMC Sierra HD 2006 2500

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List of elements for Mid-Line Radio Wiring Diagram, with Rear Seat Audio (3 of 4) for GMC Sierra HD 2006 2500:

(not used)
B11
Bare
G203 (near left "a" pillar)
Hot at all times
I/p relay block (near left kick panel)
Info fuse 15a
Splice pack sp250 (in i/p harness)
Underhood fuse block (at left side of engine compartment)
W/ rear entertainment assembly
W/ rear seat entertainment assembly & digital radio receiver
W/ rear seat entertainment assembly w/o digital radio receiver
W/o rear entertainment assembly
W/o rear seat entertainment assembly w/ digital radio receiver

Mid-Line Radio Wiring Diagram, with Rear Seat Audio (4 of 4) for GMC Sierra HD 2006 2500

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List of elements for Mid-Line Radio Wiring Diagram, with Rear Seat Audio (4 of 4) for GMC Sierra HD 2006 2500:

Antenna
Aud out -
Bare
Cellular navigation & digital radio antenna
Coax
Com aud sig
Computer data lines system
Data lines
Digital radio receiver (if equipped) (behind right side of instrument panel)
Drain wire
Ground
Lf aud +
Lt aud sig
Rear seat entertainment assembly (if equipped)
Rt aud +
Rt aud sig
Serial data
W/ digital radio receiver
W/ rear entertainment assembly
W/o digital radio receiver
W/o rear entertainment assembly

Mid-Line Radio Wiring Diagram, without Rear Seat Audio (1 of 4) for GMC Sierra HD 2006 2500

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List of elements for Mid-Line Radio Wiring Diagram, without Rear Seat Audio (1 of 4) for GMC Sierra HD 2006 2500:

A10
A11
A12
Antenna
B10
B11
B12
B31
Bare
Bcm class 2 serial data
Body control module (below steering column)
C201
C277
Cell voice sig
Coax
Common aud sig
Computer data lines system
Drain wire
Enable sig
Engine controls system
G203 (near left "a" pillar)
Ground
I/p relay block (near left kick panel)
Inflatable restraint steering wheel module coil
Left aud sig
Lf spk out+
Lf spk out-
Lr spk out +
Lr spk out -
Nca
Pnk
Prog
Radio
Radio mute
Radio on sig
Remote radio control signal
Rf spk out +
Rf spk out -
Right aud sig
Rr aud sig+
Rr aud sig-
S333
Seek dn
Seek up
Serial data
Source dn
Source up
Tan
Upper left steering wheel control switch assembly
Upper right steering wheel control switch assembly
Vehicle communication interface module (behind passenger air bag module)
Voice
Voice low ref
Voice signal
Vol dn
Vol up
Vss signal

Mid-Line Radio Wiring Diagram, without Rear Seat Audio (2 of 4) for GMC Sierra HD 2006 2500

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List of elements for Mid-Line Radio Wiring Diagram, without Rear Seat Audio (2 of 4) for GMC Sierra HD 2006 2500:

A10
A11
A12
Audio amplifier
B10
B11
B12
Bare
Drain wire
Ground
Hot at all times
I/p fuse block (on lower left side of dash)
I/p relay block (below lower left side of dash)
L spk out+
L spk out-
Left front door speaker
Left front tweeter speaker
Left rear door speaker
Lf aud sig+
Lf aud sig-
Lf spkr out+
Lf spkr out-
Lr aud sig+
Lr aud sig-
Lr spkr out+
Lr spkr out-
Pnk
R spk out+
R spk out-
Radio amp fuse 30a
Radio fuse 15a
Radio mute
Radio on sig
Rf aud sig+
Rf aud sig-
Rf spkr out+
Rf spkr out-
Right front door speaker
Right front tweeter speaker
Right rear door speaker
Rr aud sig+
Rr aud sig-
Rr spkr out+
Rr spkr out-
Rsa enable
Subwoofer speaker
Tan
Underhood fuse block (at left side of engine compartment)

Mid-Line Radio Wiring Diagram, without Rear Seat Audio (3 of 4) for GMC Sierra HD 2006 2500

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List of elements for Mid-Line Radio Wiring Diagram, without Rear Seat Audio (3 of 4) for GMC Sierra HD 2006 2500:

(not used)
B11
Bare
G203 (near left "a" pillar)
Hot at all times
I/p relay block (near left kick panel)
Info fuse 15a
Splice pack sp250 (in i/p harness)
Underhood fuse block (at left side of engine compartment)
W/ rear entertainment assembly
W/ rear seat entertainment assembly & digital radio receiver
W/ rear seat entertainment assembly w/o digital radio receiver
W/o rear entertainment assembly
W/o rear seat entertainment assembly w/ digital radio receiver

Mid-Line Radio Wiring Diagram, without Rear Seat Audio (4 of 4) for GMC Sierra HD 2006 2500

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List of elements for Mid-Line Radio Wiring Diagram, without Rear Seat Audio (4 of 4) for GMC Sierra HD 2006 2500:

Antenna
Aud out -
Bare
Cellular navigation & digital radio antenna
Coax
Com aud sig
Computer data lines system
Data lines
Digital radio receiver (if equipped) (behind right side of instrument panel)
Drain wire
Ground
Lf aud +
Lt aud sig
Rear seat entertainment assembly (if equipped)
Rt aud +
Rt aud sig
Serial data
W/ digital radio receiver
W/ rear entertainment assembly
W/o digital radio receiver
W/o rear entertainment assembly

Premium Sound Radio Wiring Diagram, with CD, with Rear Entertainment, with Digital Receiver (1 of 3) for GMC Sierra HD 2006 2500

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List of elements for Premium Sound Radio Wiring Diagram, with CD, with Rear Entertainment, with Digital Receiver (1 of 3) for GMC Sierra HD 2006 2500:

A10
A11
A12
Antenna
B10
B11
B12
B31
Bare
Bcm class 2 serial data
Body control module (below steering column)
C201
C277
Cell voice sig
Coax
Common aud sig
Computer data lines system
Drain wire
G203 (near left "a" pillar)
Ground
Hot at all times
I/p relay block (near left kick panel)
Inflatable restraint steering wheel module coil
Left aud sig
Lf aud sig+
Lf aud sig-
Lr aud sig +
Lr aud sig -
Lr aud sig+
Lr aud sig-
Nca
Prog
Radio
Radio fuse 15a
Rear seat audio controller (on rear of center console)
Remote radio control signal
Rf aud sig +
Rf aud sig -
Right aud sig
Rr aud sig+
Rr aud sig-
S210
S333
Seek dn
Seek up
Serial data
Source dn
Source up
Tan
Underhood fuse block (at left side of engine compartment)
Upper left steering wheel control switch assembly
Upper right steering wheel control switch assembly
Vehicle communication interface module (behind right side of dash)
Voice
Voice low ref
Voice signal
Vol dn
Vol up

Premium Sound Radio Wiring Diagram, with CD, with Rear Entertainment, with Digital Receiver (2 of 3) for GMC Sierra HD 2006 2500

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List of elements for Premium Sound Radio Wiring Diagram, with CD, with Rear Entertainment, with Digital Receiver (2 of 3) for GMC Sierra HD 2006 2500:

A10
A11
A12
Audio amplifier
B10
B11
B12
Bare
Computer data lines system
Drain wire
Fuse block (lower left side of dash)
Ground
Hot at all times
I/p 2b
I/p fuse block (lower g left side of dash)
L spk out+
L spk out-
Left front door speaker
Left front tweeter speaker
Left rear speaker (extended cab) left rear door speaker (except extended cab)
Lf aud sig+
Lf aud sig-
Lf spkr out+
Lf spkr out-
Lr spkr out+
Lr spkr out-
Mic sig
Mic sup volt
Nca
Noise compensation microphone
R spk out+
R spk out-
Radio amp fuse 30a
Rf aud sig+
Rf aud sig-
Rf spkr out+
Rf spkr out-
Right front door speaker
Right front tweeter speaker
Right rear speaker (extended cab) right rear door speaker (except extended cab)
Rr spkr out+
Rr spkr out-
Serial data
Subwoofer speaker
Tan
Underhood fuse block (at left side of engine compartment)

Premium Sound Radio Wiring Diagram, with CD, with Rear Entertainment, with Digital Receiver (3 of 3) for GMC Sierra HD 2006 2500

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List of elements for Premium Sound Radio Wiring Diagram, with CD, with Rear Entertainment, with Digital Receiver (3 of 3) for GMC Sierra HD 2006 2500:

(near left "a" pillar) g203
Antenna
Aud out -
Bare
Cd player remote playback device (if equipped)
Coax
Computer data lines system
Digital radio antenna
Digital radio receiver (if equipped)
Dimming
Drain wire
Ground
Hot at all times
I/p relay block (near left kick panel)
Info fuse 15a
Interior lights system
Lf aud +
Rt aud +
S335
Serial data
Splice pack sp250 (in i/p harness)
Tan
Underhood fuse block (at left side of engine compartment)

Premium Sound Radio Wiring Diagram, with CD (1 of 2) for GMC Sierra HD 2006 2500

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List of elements for Premium Sound Radio Wiring Diagram, with CD (1 of 2) for GMC Sierra HD 2006 2500:

A10
A11
A12
Antenna
B10
B11
B12
B31
Bare
Bcm class 2 serial data
Body control module (below steering column)
C drain wire
C201
C277
Coax
Computer data lines
Computer data lines system
Drain wire
G203 (near left "a" pillar)
Ground
H left aud sig
Hot at all times
I/p relay block (near left kick panel)
Inflatable restraint steering wheel module coil
J right aud sig
K common aud sig
L voice low ref
Lf aud sig+
Lf aud sig-
Lr aud sig +
Lr aud sig -
Lr aud sig+
Lr aud sig-
M cell voice sig
Nca
Prog
Radio
Radio fuse 15a
Rear seat audio controller (on rear of center console)
Remote radio control signal
Rf aud sig +
Rf aud sig -
Rr aud sig+
Rr aud sig-
S210
S333
Seek dn
Seek up
Serial data
Source dn
Source up
System
Tan
Underhood fuse block (at left side of engine compartment)
Upper left steering wheel control switch assembly
Upper right steering wheel control switch assembly
Vehicle communication interface module (behind right side of dash)
Voice
Voice low ref
Voice signal
Vol dn
Vol up

Premium Sound Radio Wiring Diagram, with CD (2 of 2) for GMC Sierra HD 2006 2500

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List of elements for Premium Sound Radio Wiring Diagram, with CD (2 of 2) for GMC Sierra HD 2006 2500:

A10
A11
A12
Aud out -
Audio amplifier
B10
B11
B12
Bare
Cd player remote playback device
Computer data lines system
Dimming
Drain wire
Fuse block (lower left side of dash)
Ground
Hot at all times
I/p 2b
I/p fuse block (lower g
Info fuse 15a
Interior lights system
L spk out+
L spk out-
Left front door speaker
Left front tweeter speaker
Left rear speaker (extended cab) left rear door speaker (except extended cab)
Left side of dash)
Lf aud +
Lf aud sig+
Lf aud sig-
Lf spkr out+
Lf spkr out-
Lr spkr out+
Lr spkr out-
Mic sig
Mic sup volt
Nca
Noise compensation microphone
R spk out+
R spk out-
Radio amp fuse 30a
Rf aud sig+
Rf aud sig-
Rf spkr out+
Rf spkr out-
Right front door speaker
Right front tweeter speaker
Right rear speaker (extended cab) right rear door speaker (except extended cab)
Rr spkr out+
Rr spkr out-
Rt aud +
S335
Serial data
Subwoofer speaker
Tan
Underhood fuse block (at left side of engine compartment)

Premium Sound Radio Wiring Diagram, with Digital Radio Receiver (1 of 2) for GMC Sierra HD 2006 2500

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List of elements for Premium Sound Radio Wiring Diagram, with Digital Radio Receiver (1 of 2) for GMC Sierra HD 2006 2500:

A10
A11
A12
Antenna
B10
B11
B12
B31
Bare
Bcm class 2 serial data
Body control module (below steering column)
C201
C277
Cell voice sig
Coax
Common aud sig
Computer data lines system
Drain wire
G203 (near left "a" pillar)
Ground
Hot at all times
I/p relay block (near left kick panel)
Inflatable restraint steering wheel module coil
Left aud sig
Lf aud sig+
Lf aud sig-
Lr aud sig +
Lr aud sig -
Lr aud sig+
Lr aud sig-
Nca
Prog
Radio
Radio fuse 15a
Rear seat audio controller (on rear of center console)
Remote radio control signal
Rf aud sig +
Rf aud sig -
Right aud sig
Rr aud sig+
Rr aud sig-
S210
S333
Seek dn
Seek up
Serial data
Source dn
Source up
Tan
Underhood fuse block (at left side of engine compartment)
Upper left steering wheel control switch assembly
Upper right steering wheel control switch assembly
Vehicle communication interface module (behind right side of dash)
Voice
Voice low ref
Voice signal
Vol dn
Vol up

Premium Sound Radio Wiring Diagram, with Digital Radio Receiver (2 of 2) for GMC Sierra HD 2006 2500

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List of elements for Premium Sound Radio Wiring Diagram, with Digital Radio Receiver (2 of 2) for GMC Sierra HD 2006 2500:

A10
A11
A12
Antenna
Aud out -
Audio amplifier
B10
B11
B12
B2 mic sig
Bare
Coax
Computer data lines system
Digital radio antenna
Digital radio receiver
Drain wire
Fuse block (lower left side of dash)
Ground
Hot at all times
I/p 2b
I/p fuse block (lower g
L spk out+
L spk out-
Left front door speaker
Left front tweeter speaker
Left rear speaker (extended cab) left rear door speaker (except extended cab)
Left side of dash)
Lf aud +
Lf aud sig+
Lf aud sig-
Lf spkr out+
Lf spkr out-
Lr spkr out+
Lr spkr out-
Mic sup volt
Nca
Noise compensation microphone
R spk out+
R spk out-
Radio amp fuse 30a
Rf aud sig+
Rf aud sig-
Rf spkr out+
Rf spkr out-
Right front door speaker
Right front tweeter speaker
Right rear speaker (extended cab) right rear door speaker (except extended cab)
Rr spkr out+
Rr spkr out-
Rt aud +
Serial data
Subwoofer speaker
Tan
Underhood fuse block (at left side of engine compartment)

SHIFT INTERLOCK

Shift Interlock Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for Shift Interlock Wiring Diagram for GMC Sierra HD 2006 2500:

A (w/ jf4)
A/t shift lock control solenoid (on steering column)
B (w/ jf4)
B/u lp fuse 20a
Btsi fuse 10a
E (w/o jf4)
F (w/o jf4)
G200 (near right "a" pillar)
Hot in run or start
Park/ neutral position switch (left side of transmission)
Pnk
S202
Stoplamp switch (top of brake pedal bracket)
Underhood fuse block (left side of engine compt)

STARTING/CHARGING

Charging Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for Charging Wiring Diagram for GMC Sierra HD 2006 2500:

B12
Battery
Battery cable junction block
Battery not charging
Charge indicator control
Class 2 serial data
Computer data lines
Driver info center
Engine on signal
G100 (on left front body mount)
G102 (right side of engine)
G103 (on right rear of eng block)
G203 (near left "a" pillar)
Generator
Generator field duty cycle control
Generator battery control module
Generator field duty cycle signal
Generator regulator control
Ground
Ground distribution system
Hot at all times
Hot in run & start
I/p relay block (under left side of dash, near kick panel)
Ign 1 volt
Ign e fuse 10a
Instrument panel cluster
Left battery
Logic
Pnk
Power distribution system
Powertrain control module (pcm) (at left front of eng compt)
Pur
Rvc fuse 10a
S103
S167 (in eng harn, approximately 13 cm from fuel injector bank breakout)
Sp205 (behind left i/p fuse block)
Underhood fuse block (at left side of eng compt, near battery)
Upfitter option
Volts
W/ brake vac power

Hybrid Wiring Diagram (1 of 3) for GMC Sierra HD 2006 2500

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List of elements for Hybrid Wiring Diagram (1 of 3) for GMC Sierra HD 2006 2500:

(pin 15-20 not used)
(pin 3-6 not used)
175a
Apo neutral
Apo phase a
Apo switch ind ctrl
Apo switch sig
Aux heater pump rly ctrl
Battery +
Class 2 serial data
Computer data lines system
Coolant pump rly ctrl
Cooling fans system
Crank voltage
Electric motor
Eng spd sig
Engine speed signal
Escm fuse 20a
G100 (on lower left of radiator core support)
G102 (left side of engine block)
G103
G311 (in energy storage box)
Ground
Hch-b fuse 10a
Hcm-i fuse 10a
Hi spd gmlan srl data +
Hi spd gmlan srl data -
Hi volt interlock loop sig 2
Hi voltage battery +
High speed gmlan serial (+)
High speed gmlan serial (-)
Hood ajar sw sig
Hood ajar switch
Hot at all times
Hot in run or start
Hybrid control module
Hybrid fuse
Ignition 0 voltage
Ignition 1 voltage
Instrument cluster system
Left battery
Low ref
Medium resolu- tion engine speed signal
Medium resolution eng spd
Nca
Phase 1
Phase 2
Phase 3
Pnk
Pnp start switch signal
Power distribution system
Powertrain control module (pcm) (on left front of engine compartment)
Pwr maint rly coil ctrl
Red
S103
S116
S130
S180
Starter enable rly ctrl
Starter/generator control module (right rear of eng compt)
Stator
Tan
Trans pump rly ctrl
Transmissions system
Underhood secondary fuse block (left side of eng compt, rear of battery)

Hybrid Wiring Diagram (2 of 3) for GMC Sierra HD 2006 2500

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List of elements for Hybrid Wiring Diagram (2 of 3) for GMC Sierra HD 2006 2500:

(in 42v harn)
(in 42v harn) s121
(in accessory receptacle harn)
120 vac exterior auxiliary power outlet
120 vac interior auxiliary power outlet
125a
Acc run
B12
Bare
Crank fuse 10a
Ehps fuse
Electro-hydraulic power steering module
Energy storage box (esb)
F10
G311 (in energy storage box)
G405 (on right rear frame rail)
Ground distribution system
Hot at all times
Hot in acc, run and start
I/p fuse block (on lower left side of dash)
Ign 0 fuse 10a
Ign a fuse 34 40a
Ign b fuse 40a
Ignition switch
Lock
Nca
Park/ neutral position (pnp) switch (on left side of transmission)
Pickup box inner panel assembly
Pnk
Power distribution circuit
Power maint fuse 10a
Pwr maint relay
Red
S108
S113
S114
S120
S131
S134
S326 bare
S327
S331
S332
Start
Underhood fuse block (at left side of eng compt)
Underhood secondary fuse block (left side of eng compt, rear of battery)

Hybrid Wiring Diagram (3 of 3) for GMC Sierra HD 2006 2500

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List of elements for Hybrid Wiring Diagram (3 of 3) for GMC Sierra HD 2006 2500:

(pin 1-14 not used)
(pin 19-23 not used)
(pin 25-38 not used)
(pin 43-47 not used)
0rg
1-bco
1-car
1-cs
1-fan
1-ntc-1
1-ntc-2
1-ntc-3
1-r1
1-r2
1-r3
1-r4
2-bco
2-car
2-cs
2-fan
2-ntc-1
2-ntc-2
2-ntc-3
3-bco
3-car
3-cs
4-bco
4-cs
4-fan
5-bco
5v ref
7-car
8-car
Batt pos volt
Battery + voltage
Battery 1
Battery 1 temper- ature sensor
Battery 2
Battery 2 temper- ature sensor
Battery 3
Battery 3 temper- ature sensor
Battery cut off switch
Bco control -a
Bco control -b
Bco ctrl a
Bco ctrl b
Bco status
C340
C341
Compensating coil volt
Computer data lines system
Current sens sig a
Current sensor
Energy storage box (esb)
Energy storage box (esb) fan
Energy storage control module
Fan speed sig
Fuse 400a
Fuse holder
G310 (in energy storage box)
Gnd
Ground
Hi spd gmlan srl data +
Hi spd gmlan srl data -
Ignition 0 voltage
Ignition 1 voltage
Low ref
Nca
Pnk
Red
Service disconnect switch
Temp sens sig 1
Temp sens sig 2
Temp sens sig 3
Voltage sens sig 1
Voltage sens sig 2
Voltage sens sig 3
Voltage sens sig 4
Voltage sensor

Starting Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for Starting Wiring Diagram for GMC Sierra HD 2006 2500:

(diesel)
(gasoline)
(or pnk)
Acc
Battery cable junction block (near left side of eng compt)
C1 a11
C1 a3
C1 a9
C1 b12
C2 a7
C2 d11
C2 f9
Clutch start sw sign
Clutch start switch (m/t) (on top of clutch pedal assembly)
Crank fuse 10a
Crank volt
D12
Diesel
F11
G100 (on lower left of radiator core support)
G102 (4.3l: lower right front of eng block, exc 4.3l: left side of engine block)
G104 (gasoline: left rear of engine block) (diesel: lower left of engine compt)
G104 (lower left of engine)
G200 (behind right side of dash)
Gasoline
Ign a fuse 40a
Ign b fuse 40a
Ign e fuse 10a
Ignition switch
Left battery
Lock
M/t
Off
Park/ neutral position switch (a/t) (on left side of trans)
Pnk
Power distribution system
Powertrain control module (pcm) (gasoline) engine control module (diesel) (on left front of engine compartment)
Red
Run
Run off
Start
Starter enable rly ctrl
Starter motor
Starter relay
Starter solenoid
Under- hood fuse block (left side of eng compt)
Underhood fuse block (at left side of eng compt)
W/ allison a/t
W/o allison a/t

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram (1 of 2) for GMC Sierra HD 2006 2500

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List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for GMC Sierra HD 2006 2500:

1362 (or 353)
2306 (or 371)
Alo: w/ front passenger/ child presence detector
B tan
C10
Class 2 serial data
Control
G200 (behind right side of dash, near right "a" pillar)
G304 (under right front seat)
Ground
High control
Hot in run or start
I/p junction block (right side of dash behind access panel)
I/p module disable switch signal
I/p module suppression indicator control
I/p relay block (below left side of dash, left of steering column)
Ignition 1
Ignition 1 voltage
Inflatable restraint i/p module (behind right side of dash)
Inflatable restraint i/p module disable switch
Inflatable restraint sensing/diagnostic module (under left front seat)
Inflatable restraint steering wheel module
Inflatable restraint steering wheel module coil
Key switch
Left inflatable restraint front end sensor (on left front of vehicle, by core support)
Left signal
Logic
Low control
Low reference
Nca
Off
On-w/o alo auto-w/ alo
Others
Pnk
Red
Red (or pnk)
Right inflatable restraint front end sensor (on right front of vehicle, by core support)
Right inflatable restraint side impact sensor
Right signal
Right voltage
S205 (in i/p harness)
Shorting bar
Signal
Sir fuse 15a
Stage 1
Stage 2
Tan
Twisted pair wires
Underhood fuse block (at left side of eng compt, near battery)
W/ c99 only
W/ front passenger/ child presence detector

Supplemental Restraints Wiring Diagram (2 of 2) for GMC Sierra HD 2006 2500

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List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for GMC Sierra HD 2006 2500:

Air bag
C10
Class 2 serial data
Data link connector (lower left side of dash)
Driver seat belt switch
Front passenger seat belt switch
G304 (under right front seat)
Ground
I/p mod disable sw sig
I/p relay block (below left side of dash, left of steering column)
Ign
Ignition 1 voltage
Inflatable restraint passenger air bag on/off indicator
Inflatable restraint passenger presence system (pps) module (under front passenger seat)
Inflatable restraint passenger presence system sensor
Inflatable restraint passenger seat belt tension retractor sensor
Inside rearview mirror instrument
Instrument panel cluster
Ipc class 2 serial data
Left inflatable restraint seat position switch
Memory systems
Off
Pass air bag off ind ctrl
Pass air bag on ind ctrl
Pass seat belt tens 5v ref
Pass seat belt tens lo ref
Pass seat belt tens sig
Pnk
Pps sens 5v ref
Pps sens lo ref
Pps sens sig
Red
Right inflatable restraint seat position switch
Splice pack sp205 (in i/p harness near fuse block)
Tan

TRANSMISSION

Transfer Case Wiring Diagram, 2-Speed Automatic for GMC Sierra HD 2006 2500

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List of elements for Transfer Case Wiring Diagram, 2-Speed Automatic for GMC Sierra HD 2006 2500:

(behind right side of dash, near right "a" pillar)
(in i/p harness)
(left front of engine compt) powertrain control module
(on left front body mount) g110
+5v ref
2-hi ind
2wd
4 hi
4 lo
4-hi ind
4-lo ind
4wd fuse 15a
4wd indicator lamp
4wd lo sig
4wd sw sig
Awd
Awd ind
Axle ctrl
Axle sw sig
Battery
Brake control
Class ii data
Ctrl
Data link connector (under left side of dash)
Encoder
Encoder low
Encoder sig
Except seo
Front axle actuator
Front propshaft speed sensor
Ft shaft hi
Ft shaft lo
G200
G203 (behind left side of dash, near left "a" pillar)
Gnd
Ground
Hot at all times
Hot in run
Hot in run or start
I/p fuse block (lower left side of dash)
I/p relay block (under c1
Ign e fuse 10a
Illumination
Instrument panel cluster
Interior lights system
Left side of dash)
Lock sol ctrl
Logic
Motor ctrl a
Motor ctrl b
Neutral ind
Pnk
Rear propshaft speed sensor
Red
Rr shaft hi
Rr shaft lo
S202
Seo
Seo ign fuse 10a
Shift motor
Splice pack sp205 (in i/p harness)
Tan
Transfer case encoder motor
Transfer case shift control module (behind headlamp switch)
Transfer case shift control switch
Trec fuse 30a
Underhood fuse block (left side of engine compt)

Transfer Case Wiring Diagram, 2-Speed Manual for GMC Sierra HD 2006 2500

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List of elements for Transfer Case Wiring Diagram, 2-Speed Manual for GMC Sierra HD 2006 2500:

(in engine harness) s165
(w/ allison transmission)
4wd fuse 15a
4wd indicator lamp
Data link connector (under left side of dash below steering column)
Diesel (ecm)
E2 c1
Electronic brake control module (on left side of inner frame)
Except seo
Front axle actuator
G110 (on left front body mount)
Gas (pcm)
Hot in run
Hot in run or start
I/p fuse block (lower left side of dash)
Ign e fuse 10a
Instrument panel cluster
Logic
Pnk
Powertrain control module (gas engines) or engine control module (diesel) (left front of engine compt)
Seo
Seo ign fuse 10a
Splice pack sp205 (in i/p harn)
Transfer case shift control switch (on top of transfer case)
Transmission control module (w/ allison trans) (left front of engine compt)
Underhood fuse block (left side of engine compt)

Transfer Case Wiring Diagram, Selectable for GMC Sierra HD 2006 2500

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List of elements for Transfer Case Wiring Diagram, Selectable for GMC Sierra HD 2006 2500:

(behind right side of dash, near right "a" pillar)
(in i/p harness)
(left front of engine compt) gasoline: powertrain control module diesel: engine control module
(on left front body mount) g110
+5v ref
2-hi ind
2wd
4 hi
4 lo
4-hi ind
4-lo ind
4wd fuse 15a
4wd indicator lamp
4wd lo sig
4wd sw sig
Awd
Awd ind
Axle ctrl
Axle sw sig
Battery
Class ii data
Ctrl
Data link connector (under left side of dash)
Diesel (ecm)
Encoder
Encoder low
Encoder sig
Except seo
Front axle actuator
Ft shaft hi
Ft shaft lo
G200
G203 (behind left side of dash, near left "a" pillar)
Gas (pcm)
Gnd
Ground
Hot at all times
Hot in run
Hot in run or start
I/p fuse block (lower left side of dash)
I/p relay block (under c1
Ign e fuse 10a
Illumination
Instrument panel cluster
Interior lights system
Left side of dash)
Lock sol ctrl
Logic
Motor ctrl a
Motor ctrl b
Neutral ind
Pnk
Red
Rr shaft hi
Rr shaft lo
S202
Seo
Seo ign fuse 10a
Shift motor
Splice pack sp205 (in i/p harness)
Transfer case encoder motor
Transfer case shift control module (behind headlamp switch)
Transfer case shift control switch
Transmission system
Trec fuse 30a
Underhood fuse block (left side of engine compt)

4.3L VIN X

4.3L VIN X, A/T Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for 4.3L VIN X, A/T Wiring Diagram for GMC Sierra HD 2006 2500:

(behind left side of dash) g203
(not used)
(right rear of engine block) g103
+5v
1-2 shift solenoid
1-2 ss
2-3 shift solenoid
2-3 ss
3-2 shift solenoid
3-2 ss
4wd circuit (transfer case & front axle switch)
4wd low
A/t fluid pressure manual manual valve position switch
Automatic transmission (4l60-e)
B10
B11
B12
Body control module (lower left side of dash)
Brake fuse 10a
Brk sw
C12
Cls 2 data
Cruise control system
Data link connector (under left side of dash)
E11
Ect sig
Engine coolant temperature sensor (rear of left cylinder head)
Fluid temp sensor
Frt axle sw
G103 (right rear of engine block)
Gnd
Hot at all times
Hot in run
Hot in run & start
Hot in run, acc & start
I/p fuse block (lower left side of dash)
I/p relay block (near left kick panel)
Ign
Ign 0 fuse 10a
Instrument panel cluster (ipc)
Ipc/dic fuse 10a
Lo ref
Malfunction indicator lamp
Mil ctrl
Park/neutral position switch (left side of transmission)
Pc sol hi
Pc sol lo
Pcm 1 fuse 15a
Pcm b fuse 20a
Pnk
Power distribution system
Powertrain control module (left front of engine compt)
Press ctrl solenoid
Prnd a
Prnd b
Prnd c
Prnd p
Range b
Range c
Red
Red a
Red b
Rev
S103
S125
Sens gnd
Splice pack sp205 (in i/p harness)
Stoplight switch (top of brake pedal bracket)
Tan
Tcc pwm
Tcc pwm solenoid
Tcc sol
Tcc solenoid
Tft sens sig
Throttle position sensor (on throttle body assy)
Tow/haul switch
Tp sig
Trans rng a
Underhood fuse block (left side of engine c2 compt)
Underhood fuse block (left side of engine compt)
Vehicle speed sensor (2wd: right rear of transmission) (4wd: left side of transfer case)
Vss hi
Vss lo

4.8L VIN V

4.8L VIN V, A/T Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for 4.8L VIN V, A/T Wiring Diagram for GMC Sierra HD 2006 2500:

(behind left side of dash) g203
(left rear of engine compt) throttle actuator control module
(not used)
(right rear of engine block) g103
1-2 shift solenoid
1-2 ss
2-3 shift solenoid
2-3 ss
3-2 shift solenoid
3-2 ss
4wd circuit (transfer case & front axle switch)
4wd low
A/t fluid pressure manual valve position switch
Automatic transmission (4l60-e)
B10
B11
B12
Body control module (lower left side of dash)
Brake fuse 10a
Brk sw
C12
Cls 2 data
Data link connector (under left side of dash)
E11
Ect sig
Engine coolant temperature sensor (front of left cylinder head)
Except seo
Fluid temp sensor
Frt axle sw
Gnd
Hot at all times
Hot in run
Hot in run & start
Hot in run, acc & start
I/p fuse block (lower left side of dash)
I/p relay block (near left kick panel)
Ign
Ign 0 fuse 10a
Instrument panel cluster (ipc)
Ipc/dic fuse 10a
Lo ref
Malfunction indicator lamp
Mil ctrl
Park/neutral position switch (left side of transmission)
Pc sol hi
Pc sol lo
Pcm 1 fuse 15a
Pcm b fuse 20a
Pnk
Power distribution system
Powertrain control module (left front of engine compt)
Press ctrl solenoid
Prnd a
Prnd b
Prnd c
Prnd p
Range b
Range c
Red
Red a
Red b
Rev
S103
S125
S217
Sens gnd
Seo
Seo b1 fuse 15a
Serial data
Splice pack sp205 (in i/p harness)
Stoplight switch (top of brake pedal bracket)
Tan
Tcc pwm
Tcc pwm solenoid
Tcc sol
Tcc solenoid
Tft sens sig
Tow/haul switch
Trans rng a
Underhood fuse block (left side of engine compt)
Vehicle speed sensor (2wd: right rear of transmission) (4wd: left side of transfer case)
Vss hi
Vss lo

5.3L VIN B

5.3L VIN B, A/T Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN B, A/T Wiring Diagram for GMC Sierra HD 2006 2500:

(behind left side of dash) g203
(left rear of engine compt) throttle actuator control module
(not used)
(right rear of engine block) g103
1-2 shift solenoid
1-2 ss
2-3 shift solenoid
2-3 ss
3-2 shift solenoid
3-2 ss
4wd circuit (transfer case & front axle switch)
4wd low
A/t fluid pressure manual valve position switch
Automatic transmission (4l60-e)
B10
B11
B12
Body control module (lower left side of dash)
Brake fuse 10a
Brk sw
C12
Cls 2 data
Data link connector (under left side of dash)
E11
Ect sig
Engine coolant temperature sensor (front of left cylinder head)
Except seo
Fluid temp sensor
Frt axle sw
Gnd
Hot at all times
Hot in run
Hot in run & start
Hot in run, acc & start
I/p fuse block (lower left side of dash)
I/p relay block (near left kick panel)
Ign
Ign 0 fuse 10a
Instrument panel cluster (ipc)
Ipc/dic fuse 10a
Lo ref
Malfunction indicator lamp
Mil ctrl
Park/neutral position switch (left side of transmission)
Pc sol hi
Pc sol lo
Pcm 1 fuse 15a
Pcm b fuse 20a
Pnk
Power distribution system
Powertrain control module (left front of engine compt)
Press ctrl solenoid
Prnd a
Prnd b
Prnd c
Prnd p
Range b
Range c
Red
Red a
Red b
Rev
S103
S125
S217
Sens gnd
Seo
Seo b1 fuse 15a
Serial data
Splice pack sp205 (in i/p harness)
Stoplight switch (top of brake pedal bracket)
Tan
Tcc pwm
Tcc pwm solenoid
Tcc sol
Tcc solenoid
Tft sens sig
Tow/haul switch
Trans rng a
Underhood fuse block (left side of engine compt)
Vehicle speed sensor (2wd: right rear of transmission) (4wd: left side of transfer case)
Vss hi
Vss lo

5.3L VIN T

5.3L VIN T, A/T Wiring Diagram, Except Hybrid for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN T, A/T Wiring Diagram, Except Hybrid for GMC Sierra HD 2006 2500:

(behind left side of dash) g203
(left rear of engine compt) throttle actuator control module
(not used)
(right rear of engine block) g103
1-2 shift solenoid
1-2 ss
2-3 shift solenoid
2-3 ss
3-2 shift solenoid
3-2 ss
4wd circuit (transfer case & front axle switch)
4wd low
A/t fluid pressure manual valve position switch
Automatic transmission (4l60-e)
B10
B11
B12
Body control module (lower left side of dash)
Brake fuse 10a
Brk sw
C12
Cls 2 data
Data link connector (under left side of dash)
E11
Ect sig
Engine coolant temperature sensor (front of left cylinder head)
Except seo
Fluid temp sensor
Frt axle sw
Gnd
Hot at all times
Hot in run
Hot in run & start
Hot in run, acc & start
I/p fuse block (lower left side of dash)
I/p relay block (near left kick panel)
Ign
Ign 0 fuse 10a
Instrument panel cluster (ipc)
Ipc/dic fuse 10a
Lo ref
Malfunction indicator lamp
Mil ctrl
Park/neutral position switch (left side of transmission)
Pc sol hi
Pc sol lo
Pcm 1 fuse 15a
Pcm b fuse 20a
Pnk
Power distribution system
Powertrain control module (left front of engine compt)
Press ctrl solenoid
Prnd a
Prnd b
Prnd c
Prnd p
Range b
Range c
Red
Red a
Red b
Rev
S103
S125
S217
Sens gnd
Seo
Seo b1 fuse 15a
Serial data
Splice pack sp205 (in i/p harness)
Stoplight switch (top of brake pedal bracket)
Tan
Tcc pwm
Tcc pwm solenoid
Tcc sol
Tcc solenoid
Tft sens sig
Tow/haul switch
Trans rng a
Underhood fuse block (left side of engine compt)
Vehicle speed sensor (2wd: right rear of transmission) (4wd: left side of transfer case)
Vss hi
Vss lo

5.3L VIN T, A/T Wiring Diagram, Hybrid for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN T, A/T Wiring Diagram, Hybrid for GMC Sierra HD 2006 2500:

(behind left side of dash) g203
(in i/p harn) splice pack sp205
(left front of engine compt) powertrain control module
(left rear of engine compt) throttle actuator control module
(not used)
(on left rear of engine block) g104
(right rear of engine block) g103
1-2 shift solenoid
1-2 ss
2-3 shift solenoid
2-3 ss
3-2 shift solenoid
3-2 ss
4wd circuit (transfer case & front axle switch)
4wd low
A/t fluid pressure manual manual valve position switch
Automatic transmission (4l60-e)
Auxiliary transmission fluid pump
B10
B11
B12
Body control module (lower left side of dash)
Brake fuse 10a
Brk sw
C12
Cls 2 data
Data link connector (under left side of dash)
E11
Ect sig
Engine coolant temperature sensor (front of left cylinder head)
Except seo
Fluid temp sensor
Frt axle sw
Gnd
Hot at all times
Hot in run
Hot in run & start
Hot in run, acc & start
Hot w/ pwr maint relay energized
Hybrid control module
I/p fuse block (lower
I/p relay block (near left kick panel)
Ign
Ign 0 fuse 10a
Instrument panel cluster (ipc)
Ipc/dic fuse 10a
Lo ref
Malfunction indicator lamp
Mil ctrl
Park/neutral position switch (left side of transmission)
Pc sol hi
Pc sol lo
Pcm 1 fuse 15a
Pcm b fuse 20a
Pnk
Power distribution system
Press ctrl solenoid
Prnd a
Prnd b
Prnd c
Prnd p
Pwr maint 10a
Range b
Range c
Red
Red a
Red b
Rev
S102
S103
S113
S117
S125
Secondary underhood fuse block (left side of engine compt)
Sens gnd
Seo
Seo b1 fuse 15a
Serial data
Stoplight switch (top of brake pedal bracket)
Tan
Tcc pwm
Tcc pwm solenoid
Tcc sol
Tcc solenoid
Tft sens sig
Tow/haul switch
Trans pmp relay
Trans pump fuse 15a
Trans rng a
Underhood fuse block (left side of engine c2 compt)
Underhood fuse block (left side of engine compt)
Vehicle speed sensor (2wd: right rear of transmission) (4wd: left side of transfer case)
Vss hi
Vss lo

5.3L VIN Z

5.3L VIN Z, A/T Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for 5.3L VIN Z, A/T Wiring Diagram for GMC Sierra HD 2006 2500:

(behind left side of dash) g203
(left rear of engine compt) throttle actuator control module
(not used)
(right rear of engine block) g103
1-2 shift solenoid
1-2 ss
2-3 shift solenoid
2-3 ss
3-2 shift solenoid
3-2 ss
4wd circuit (transfer case & front axle switch)
4wd low
A/t fluid pressure manual valve position switch
Automatic transmission (4l60-e)
B10
B11
B12
Body control module (lower left side of dash)
Brake fuse 10a
Brk sw
C12
Cls 2 data
Data link connector (under left side of dash)
E11
Ect sig
Engine coolant temperature sensor (front of left cylinder head)
Except seo
Fluid temp sensor
Frt axle sw
Gnd
Hot at all times
Hot in run
Hot in run & start
Hot in run, acc & start
I/p fuse block (lower left side of dash)
I/p relay block (near left kick panel)
Ign
Ign 0 fuse 10a
Instrument panel cluster (ipc)
Ipc/dic fuse 10a
Lo ref
Malfunction indicator lamp
Mil ctrl
Park/neutral position switch (left side of transmission)
Pc sol hi
Pc sol lo
Pcm 1 fuse 15a
Pcm b fuse 20a
Pnk
Power distribution system
Powertrain control module (left front of engine compt)
Press ctrl solenoid
Prnd a
Prnd b
Prnd c
Prnd p
Range b
Range c
Red
Red a
Red b
Rev
S103
S125
S217
Sens gnd
Seo
Seo b1 fuse 15a
Serial data
Splice pack sp205 (in i/p harness)
Stoplight switch (top of brake pedal bracket)
Tan
Tcc pwm
Tcc pwm solenoid
Tcc sol
Tcc solenoid
Tft sens sig
Tow/haul switch
Trans rng a
Underhood fuse block (left side of engine compt)
Vehicle speed sensor (2wd: right rear of transmission) (4wd: left side of transfer case)
Vss hi
Vss lo

6.0L VIN N

6.0L VIN N, A/T Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for 6.0L VIN N, A/T Wiring Diagram for GMC Sierra HD 2006 2500:

(behind left side of dash) g203
(left rear of engine compt) throttle actuator control module
(not used)
(right rear of engine block) g103
1-2 shift solenoid
1-2 ss
2-3 shift solenoid
2-3 ss
3-2 shift solenoid
3-2 ss
4wd circuit (transfer case & front axle switch)
4wd low
A/t fluid pressure manual valve position switch
Automatic transmission (4l60-e)
B10
B11
B12
Body control module (lower left side of dash)
Brake fuse 10a
Brk sw
C12
Cls 2 data
Data link connector (under left side of dash)
E11
Ect sig
Engine coolant temperature sensor (front of left cylinder head)
Except seo
Fluid temp sensor
Frt axle sw
Gnd
Hot at all times
Hot in run
Hot in run & start
Hot in run, acc & start
I/p fuse block (lower left side of dash)
I/p relay block (near left kick panel)
Ign
Ign 0 fuse 10a
Instrument panel cluster (ipc)
Ipc/dic fuse 10a
Lo ref
Malfunction indicator lamp
Mil ctrl
Park/neutral position switch (left side of transmission)
Pc sol hi
Pc sol lo
Pcm 1 fuse 15a
Pcm b fuse 20a
Pnk
Power distribution system
Powertrain control module (left front of engine compt)
Press ctrl solenoid
Prnd a
Prnd b
Prnd c
Prnd p
Range b
Range c
Red
Red a
Red b
Rev
S103
S125
S217
Sens gnd
Seo
Seo b1 fuse 15a
Serial data
Splice pack sp205 (in i/p harness)
Stoplight switch (top of brake pedal bracket)
Tan
Tcc pwm
Tcc pwm solenoid
Tcc sol
Tcc solenoid
Tft sens sig
Tow/haul switch
Trans rng a
Underhood fuse block (left side of engine compt)
Vehicle speed sensor (2wd: right rear of transmission) (4wd: left side of transfer case)
Vss hi
Vss lo

WARNING SYSTEMS

Chime Wiring Diagram (1 of 2) for GMC Sierra HD 2006 2500

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List of elements for Chime Wiring Diagram (1 of 2) for GMC Sierra HD 2006 2500:

(behind left side of dash, near left "a" pillar) g203
(on left "b" pillar) g305
(on right "b" pillar) g306
5v reference
A12
Accessory voltage
Anl/drl defeat
Auto
B11
B12
Battery
Body control module (bcm) (on lower left side of dash, below steering column)
Crew cab only
D12
Dimming input
Dimming return
E11
E12
G203 (behind left side of dash, near left "a" pillar)
Ground
Ground distribution system
Head
Headlamp switch
Headlamps on signal
Hot at all times
Hot in acc & run
Hot in acc, run & start
Hot in run & start
I/p fuse block (on lower left side of dash)
I/p relay block (near left kick panel)
Ignition 0 voltage
Ignition 1 voltage
Ignition key alarm switch
Key in ignition switch
Left front door ajar sw
Left rear door ajar sw
Left rear door latch assembly
Park
Park brake sw signal
Park brake switch (part of park brake assembly)
Park lamp on signal
Pnk
Power distribution system
Right front door ajar sw
Right rear door ajar sw
Right rear door latch assembly
S217
Serial data
Tan
Tan b
Tbc 2a fuse 15a
Tbc 2b fuse 15a
Tbc 2c fuse 15a
Tbc accy fuse 10a
Tbc batt fuse 10a
Tbc ign 0 fuse 10a
Tbc ign 1 fuse 10a
Underhood fuse block (at left side of engine compartment)

Chime Wiring Diagram (2 of 2) for GMC Sierra HD 2006 2500

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List of elements for Chime Wiring Diagram (2 of 2) for GMC Sierra HD 2006 2500:

(behind right side of dash, near right "a" pillar) g200
Base
Computer data lines system
Data link connector (dlc) (partial) (under left side of dash, below steering column)
Door ajar switch
Driver door latch assembly
Driver door module (ddm) (in driver's door)
Driver seat belt switch
Exterior lights system
Front passenger door latch assembly
Front passenger door module (fpdm) (in right front door)
Gasoline diesel
Ground distribution system
I/p fuse block (on lower left side of dash)
I/p junction block (right side of dash, behind access panel)
Ign
Inflatable restraint sensing & diagnostic module (sdm) (under left front seat)
Instrument panel cluster (ipc)
Left door ajar sw
Left seat belt
Left turn
Logic
Low reference
Pnk
Powertrain control module (pcm)/ engine control module (ecm) (on left front of engine compartment)
Radio
Right turn
Seat belt
Serial data
Splice pack sp205 (in i/p harness)
Tan
W/convenience package comfort & decor level 3
W/memory seats

Tire Pressure Monitoring Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for Tire Pressure Monitoring Wiring Diagram for GMC Sierra HD 2006 2500:

(behind left side of dash, near left "a" pillar) g203
(not used)
Class 2 (tpm)
Class 2 serial data
Computer data lines system
Driver information center (dic)
Ecc/tpm fuse 10a
F11
Grd
Hot at all times
I/p fuse block (on lower left side of dash)
I/p relay block (near left kick panel)
Ign
Instrument panel cluster (ipc)
Left front tire pressure monitor sensor
Left rear tire pressure monitor sensor
Message request
Right front tire pressure monitor sensor
Right rear tire pressure monitor sensor
Solid state
Spare tire pressure monitor sensor
Tire pressure ind
Tire pressure monitor (tpm) module (above brake pedal assembly)

WIPER/WASHER

Wiper/Washer Wiring Diagram for GMC Sierra HD 2006 2500

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List of elements for Wiper/Washer Wiring Diagram for GMC Sierra HD 2006 2500:

(near left "a" pillar) g203
A10
Accessory voltage
Body control module (on lower left side of dash, below steering column)
G100 (on lower left radiator support)
G200 (near right "a" pillar)
Ground
Hot at all times
Hot in run and acc
I/p fuse block (on lower left side of dash)
Instrument panel cluster
Lsd
Mist
Off
Pnk
Pulse
Red
S100
S202
S217
Tan
Turn signal/ multifunction switch
Underhood fuse block (at left side of engine compt)
W/s wash fuse 15a
W/s wash relay
W/s wiper fuse 25a
Wash
Washer fluid level sensor (in washer fluid reservoir) (all except 4.3l base)
Windshield washer fluid pump (on washer fluid reservoir)
Windshield washer relay cntrl
Windshield wiper high signal
Windshield wiper motor module (under windshield cowl, between wiper arms)
Windshield wiper motor park signal
Windshield wiper switch signal
Windshield wiper/ washer switch