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Starting/Charging — GMC Sierra 2500 HD 2006 Wiring Diagram

STARTING/CHARGING

Charging Wiring Diagram for GMC Sierra 2500 HD 2006

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

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 2500 HD 2006

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

(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 2500 HD 2006

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

(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 2500 HD 2006

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

(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 2500 HD 2006

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

(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

STARTING/CHARGING – GMC Sierra 2500 HD 2006 – SYSTEM WIRING DIAGRAMS