GROUND DISTRIBUTION – GMC Sierra 2500 HD 2001 – SYSTEM WIRING DIAGRAMS

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 4) for GMC Sierra 2500 HD 2001

List of elements for Ground Distribution Wiring Diagram (1 of 4) for GMC Sierra 2500 HD 2001:

• (4.3l) g119 (right front of engine)
• (6.6l) g119 (right front of engine)
• (others) (canada)
• 4.3l
• A c1
• A/c
• A/c high pressure recirculating switch
• A/c low pressure switch
• All other gas
• Automatic transmission control (allison)
• Auxiliary
• B8 c2
• Battery relay
• Body junction block (under left side of dash)
• Brake fluid
• C d
• C2 a7
• Coil module
• Compressor clutch
• Coolant level switch
• Cruise control module
• D12
• Data link connector (dlc)
• Driver information center (dic)
• Electronic brake control module (ebcm)
• Engine
• Front axle actuator
• Front windshield washer fluid pump
• Fuel heater
• Fuel pump & sender assembly
• Fuel pump relay
• G108 (left radiator support bracket)
• G113 (on left front body mount)
• G114 (left rear of engine)
• G117 (right rear of engine)
• G132 (right front of engine block)
• Headlamp relay
• Heated oxygen sensor (ho2s) (bank 1 sensor 1)
• Heated oxygen sensor (ho2s) (bank 1 sensor 2)
• Heated oxygen sensor (ho2s) (bank 2 sensor 1)
• Heated oxygen sensor (ho2s) (bank 2 sensor 2)
• Ign 1 relay
• Ignition
• Ignition coils (left bank) (v8 gas only)
• Ignition coils (right bank) (v8 gas only)
• Instrument panel cluster (ipc)
• Left battery
• Left daytime running lamp (drl)
• Left fog lamp
• Left horn
• Left park/ turn signal lamp
• Level switch
• Mass air flow (maf) sensor
• Motor module
• Nca
• Oil level switch
• Park/ neutral position switch
• Power
• Powertrain control module (pcm)
• Rear window washer pump
• Right battery
• Right daytime running lamp (drl)
• Right fog lamp
• Right horn
• Right park/ turn signal lamp
• S102 (engine harness)
• S103 (engine harness)
• S156 (eng harn)
• S157 (engine harn)
• Secondary air injection (air) pump
• Secondary air injection (air) solenoid
• Secondary fuel pump & sender assembly
• Starter relay
• Takeoff (pto)
• Throttle actuator control module
• Transfer case control module
• Transfer case shift control switch
• Underhood junction block (left side of engine compt)
• Underhood lamp
• V8 gas
• W/atc
• W/o atc
• Washer fluid level sensor
• Windshield wiper

Ground Distribution Wiring Diagram (2 of 4) for GMC Sierra 2500 HD 2001

List of elements for Ground Distribution Wiring Diagram (2 of 4) for GMC Sierra 2500 HD 2001:

• (base only)
• (base only) air temperature actuator
• (base only) driver door lock switch
• (base only) driver mini wedge (door jamb switch)
• (base only) front passenger door lock switch
• (base only) front passenger mini wedge (door jamb switch)
• (base only) mode actuator
• (base only) recirculation door motor
• (base pickup only) cigar lighter
• (not used)
• (pickup) fog/ cargo lamp switch (utility) foglamp/ rear window wiper switch
• (uplevel only) transfer case shift control switch
• A utility pickup
• A/t shift lock solenoid
• A12
• A16
• Accessory power outlet
• Ashtray lamp
• Audio amplifier
• Automatic day-night rearview mirror w/ compass
• B12
• Bin lamp
• Blower motor switch/hvac control module
• Body control module (bcm)
• Body junction block (under left side of dash)
• C10
• C11
• C297
• C297c
• Center high mounted stop/ cargo lamp
• Cigar lighter
• Courtesy lamp module
• Courtesy lamp relay
• Data link connector (dlc)
• Dimmer switch
• Door locks relay
• Driver door key switch
• Driver mini wedge (door jamb switch)
• Driver outside power mirror
• Driver window/ door lock switch
• E13
• E16
• F12
• Fuse block (lower left side of dash)
• G200 (upper left kick panel)
• Headlamp dimmer switch
• Heated/ memory seat switch
• Horn switch
• Ignition key alarm switch
• Inflatable restraint ip module switch
• Inside air temperature sensor assembly
• Instrument panel cluster (ipc)
• Left rear heated seat switch
• Left vanity mirror
• Luxury only
• Mid courtesy/ reading lamp
• Nca
• Outside power mirror switch
• Park switch
• Power door lock switch
• Power window switch
• Radio
• Reading lamps
• Rear courtesy/ reading lamp
• Rear seat audio (rsa) controller
• Remote control door lock receiver
• Right rear heated seat switch
• Right vanity mirror
• Roof beacon switch
• S303
• S305 (in headliner harness)
• Selectable ride switch
• Sp203
• Steering column
• Suburban only
• Tow/ haul switch
• Traction control switch
• Transfer case shift control module
• Turn/ hazard flasher
• Uplevel only
• Vehicle interface unit (viu)

Ground Distribution Wiring Diagram (3 of 4) for GMC Sierra 2500 HD 2001

List of elements for Ground Distribution Wiring Diagram (3 of 4) for GMC Sierra 2500 HD 2001:

• (auto- ecc) hvac control module
• (base seat)
• (base suburban/ utility) front passenger door lock switch
• (heavy duty) trailer connector
• (light duty) trailer connector
• (uplevel) air temperature actuator
• (uplevel) hvac control module
• (uplevel) mode actuator motor
• (uplevel) recirculation motor
• 6.0l
• A11
• A18
• Blower motor resistor assembly
• C10
• Door lock switch
• Driver heated seat element
• Driver heated seat relay
• Driver seat adjust switch
• Driver seat adjuster switch
• Driver seat bolster switch
• Driver seat lumbar motor
• Front
• Front passenger heated seat element
• Front passenger heated seat relay
• Front passenger heated seat switch
• Front passenger heated seat thermistor
• Front passenger mini wedge (door jamb switch
• Front passenger mini wedge (door jamb switch)
• Front passenger seat adjuster switch
• Front passenger window/ door lock switch
• Full feature seat
• G203 (upper right kick panel)
• G300 (under driver's seat)
• G415 (on spare tire hoist bracket) (w/ rear lamps bussing block)
• G416 (left rear body mount)
• G416 (on left frame rail near body mount)
• Heated seat thermistor
• I/p compart- ment lamp
• Inflatable restraint sensing & diagnostic module
• Ip junction block (lower right side of dash)
• Left back-up lamp
• Left front shock solenoid
• Left license lamp
• Left rear shock solenoid
• Left rear tail/ stoplamp
• Left rear turn signal lamp
• Memory seat module
• Nca
• Nca b
• Passenger outside rearview mirror
• Passenger seat adjuster switch
• Passenger seat bolster switch
• Passenger seat lumbar motor
• Power seat
• Power sunroof module
• Power window switch
• Primary fuel pump & sender assembly
• Rap 2 relay
• Rear lamps bussing block (front of rear bumper on crossmember)
• Right back-up lamp
• Right front shock solenoid
• Right license lamp
• Right rear shock solenoid
• Right rear tail/ stoplamp
• Right rear turn signal lamp
• Roof beacon ground
• Roof beacon relay
• Roof marker lamps
• S201 (near roof marker lamps)
• S307
• S308
• S309
• Seat belt switch
• Secondary fuel pump & sender assembly
• Uplevel only
• Window lock out

Ground Distribution Wiring Diagram (4 of 4) for GMC Sierra 2500 HD 2001

List of elements for Ground Distribution Wiring Diagram (4 of 4) for GMC Sierra 2500 HD 2001:

• (ecc-auto) c2
• (front) auxiliary blower motor switch
• (heavy duty) trailer connector
• (light duty) trailer connector
• (others)
• (pickup only) rear window defogger grid
• (rear) auxiliary blower motor switch
• (security) right cargo key switch
• (suburban/ yukon xl) rear dome lamp
• (utility) roof beacon ground
• (utility) roof beacon relay
• (w/heat or a/c, or auto-ecc) auxiliary blower motor resistor assembly
• (w/o auto) auxiliary blower motor resistor assembly
• (w/o sunroof)
• (w/sunroof)
• 4 door tahoe/yukon
• A a
• A8 b8
• Accessory power outlet (console)
• Auxiliary a/c request switch
• Auxiliary air temperature actuator
• Auxiliary mode actuator
• Cargo door
• Center high mounted stoplamp
• Compressor leveling module
• G305 (right "b" pillar)
• G308 (left "b" pillar)
• G415 (on spare tire hoist bracket) (w/o rear lamps bussing block)
• G998 (rear corner of right rear window)
• Hvac control module
• Left back-up lamp
• Left cargo door ajar switch
• Left cargo rear window defogger grid
• Left door contactor
• Left license lamp
• Left liftgate ajar switch
• Left rear heated seat module
• Left rear mini wedge (door jamb switch)
• Left rear tail/ stoplamp
• Left rear turn signal lamp
• Left rear window/ door lock switch
• Liftgate
• Liftgate key switch
• Liftglass ajar switch
• Nca
• Rear accessory power outlet
• Rear window defogger grid
• Rear window wiper module
• Right back-up lamp
• Right cargo door ajar switch
• Right cargo rear window defogger grid
• Right door contactor
• Right license lamp
• Right liftgate ajar switch
• Right rear heated seat module
• Right rear mini wedge (door jamb switch)
• Right rear tail/ stoplamp
• Right rear turn signal lamp
• Right rear window/ door lock switch
• S410
• S415
• S420
• Sp410
• Sp410a
• Suburban/ yukon xl
• Suspension control module
• W/ecc- auto