All Wiring Diagrams for Pontiac G8 2008 – Wiring diagrams for cars

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Pontiac G8 2008

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Pontiac G8 2008:

(behind right kick panel) g201
(in hvac harness) j242
(in instrument panel harness) j200
(right side of hvac unit) blower motor
A/c compressor clutch
A/c request switch
Auto switch
Auxiliary mode actuator (left side of hvac module)
Blower motor control module (under right side of dash)
Blwr relay 9
Computer data lines system
Defogger ind
Defogger switch
Defogger system
Defrost switch
Dual zone
Ext temp switch
Floor switch
G201 (behind right kick panel)
Gnd
Hot at all times
Hot w/ ign relay energized
Hvac batt fuse 2 10a
Hvac blwr fuse fu9 40a
Hvac control module (right side of hvac unit)
Hvac ign fuse 10a
Instrument panel fuse block (behind left kick panel)
J223
J241 (in hvac harness)
Left blower switch
Logic
Low ref
Mode actuator (left side of hvac module)
On/off switch
Pnk
Recirculation actuator (top center of hvac unit)
Recirculation switch
Red
Right blower switch
Spd ctrl
Underhood fuse block (mounted to right front strut tower)
Vent switch
Zone switch

Automatic A/C Wiring Diagram (2 of 2) for Pontiac G8 2008

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List of elements for Automatic A/C Wiring Diagram (2 of 2) for Pontiac G8 2008:

(or 1168)
(or 2761)
3.6l
5-volt ref
6.0l
87a
A/c refrigerant pressure sensor (3.6l: left front of engine) (6.0l: lower right front of engine)
Air temperature sensor
Ambient air temperature sensor (center front of engine compt)
Body control module (bcm) (under left side of dash, right of steering column)
Computer data lines system
Emission fuse 32 15a
Engine control module (right side of engine compt)
Engine coolant temperature (ect) sensor (6.0l: left front of engine) (3.6l: left side of engine)
Fan 1 fuse fu10 30a
Fan 1 relay
Fan 2 fuse fu12 30a
Fan 2 relay
Fan 3 relay
G104 (in engine compt, on jump start post)
Gmlan +
Gmlan -
Hi spd fan
Hot at all times
Hot w/ pwr trn relay energized
Inside air temperature sensor (behind left center of dash)
J123 (3.6l) (in engine harness)
J314 (in body harness)
Left
Left air temperature actuator
Left engine cooling fan
Lo spd fan
Lo spd serial data
Low ref
Right
Right air temperature actuator (right side of hvac module)
Right engine cooling fan
Sens sig
Sunload sensor (dual zone) (under left top of dash)
Underhood fuse block (mounted to right front strut tower)

Compressor Wiring Diagram for Pontiac G8 2008

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List of elements for Compressor Wiring Diagram for Pontiac G8 2008:

(in instrument panel harness) j200
(right side of hvac unit) blower motor
A/c compressor clutch
A/c request switch
Blower motor control module (under right side of dash)
Blwr relay 9
Computer data lines system g201 (behind right kick panel)
Ext temp switch
G201 (behind right kick panel)
Gnd
Hot at all times
Hvac blwr fuse fu9 40a
Hvac control module (right side of hvac unit)
Instrument panel fuse block (behind left kick panel)
J223
Left blower switch
Logic
Low ref
Right blower switch
Spd control
Underhood fuse block (mounted to right front strut tower)

Manual A/C Wiring Diagram (1 of 2) for Pontiac G8 2008

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List of elements for Manual A/C Wiring Diagram (1 of 2) for Pontiac G8 2008:

(in hvac harness) j242
(in instrument panel harness) j200
(right side of hvac unit) blower motor
A/c compressor clutch
A/c request switch
Auto switch
Auxiliary mode actuator (left side of hvac module)
Blower motor control module (under right side of dash)
Blwr relay 9
Computer data lines system
Defogger ind
Defogger switch
Defogger system
Defrost switch
Dual zone
Ext temp switch
Floor switch
G201 (behind right kick panel)
Gnd
Hot at all times
Hot w/ ign relay energized
Hvac batt fuse 2 10a
Hvac blwr fuse fu9 40a
Hvac control module (right side of hvac unit)
Hvac ign fuse 10a
Instrument panel fuse block (behind left kick panel)
J223
J241 (in hvac harness)
Left blower switch
Logic
Low ref
Mode actuator (left side of hvac module)
On/off switch
Pnk
Recirculation actuator (top center of hvac unit)
Recirculation switch
Red
Right blower switch
Spd ctrl
Underhood fuse block (mounted to right front strut tower)
Vent switch
Zone switch

Manual A/C Wiring Diagram (2 of 2) for Pontiac G8 2008

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List of elements for Manual A/C Wiring Diagram (2 of 2) for Pontiac G8 2008:

(or 1168)
(or 2761)
3.6l
5-volt ref
6.0l
87a
A/c refrigerant pressure sensor (3.6l: left front of engine) (6.0l: lower right front of engine)
Air temperature actuator
Air temperature sensor
Body control module (bcm) (under left side of dash, right of steering column)
Computer data lines system
Emission fuse 32 15a
Engine control module (right side of engine compt)
Engine controls system
Engine coolant temperature (ect) sensor (6.0l: left front of engine) (3.6l: left side of engine)
Fan 1 fuse fu10 30a
Fan 1 relay
Fan 2 fuse fu12 30a
Fan 2 relay
Fan 3 relay
G104 (in engine compt, on jump start post)
Gmlan +
Gmlan -
Hi spd fan
Hot at all times
Hot w/ pwr trn relay energized
J123 (3.6l) (in engine harness)
Left engine cooling fan
Lo spd fan
Lo spd serial data
Low ref
Right engine cooling fan
Sens sig
Underhood fuse block (mounted to right front strut tower)

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram (1 of 2) for Pontiac G8 2008

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List of elements for Anti-lock Brakes Wiring Diagram (1 of 2) for Pontiac G8 2008:

(left rear of engine compt) g102
(or 9002)
(or 9003)
(or 9004)
(or 9005)
Abs mtr fuse fu3 40a
Abs vlv fuse 5 25a
Batt pos volt
Brake pressure modulator valve (bpmv)
Combin veh inertial sens sig
Comm enable rly sply volt
Comm rly sply volt
Computer data lines system
Data bus (+)
Data bus (-)
Data bus+
Data bus-
Electronic brake control module (ecbm) (right rear of engine compt)
Gnd
Hot at all times
J112
J212 (in instrument panel harness)
Lf wheel spd sens sig
Lf wheel spd sens sply volt
Low ref
Lr wheel spd sens sig
Lr wheel spd sens sply volt
Pump motor
Rf wheel spd sens sig
Rf wheel spd sens sply volt
Rr wheel spd sens sig
Rr wheel spd sens sply volt
Steering angle sensor (in steering column)
Steering wheel pos sens
Steering wheel position sens
Underhood fuse block (mounted to right front strut tower)
Yaw rate & lateral accelerometer sensor (under center console)
Yaw rate sens test ctrl

Anti-lock Brakes Wiring Diagram (2 of 2) for Pontiac G8 2008

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List of elements for Anti-lock Brakes Wiring Diagram (2 of 2) for Pontiac G8 2008:

(6.0l)
(behind right kick panel) g201
(in brake fluid reservoir)
(left rear of engine compt) g102
5 volts
5-volt ref
Abs ind
Acc
Bbv low ref
Bbv sens sig
Body control module (bcm) (under left side of dash, right of steering column)
Brake booster vacuum sensor
Brake fluid
Brake fluid level switch
Brake ind
Brake pedal position (bpp) sensor (top of brake pedal assembly)
Center console multi-function switch
Computer data lines system
Data bus+
Data bus-
Engine control module
Hot at all times
Ign
Ignition switch
Instument panel cluster (ipc)
J215
Left front wheel speed sensor (wss) (3.6l: left rear of engine compt) (6.0l:left side of engine compt)
Left rear wheel speed sensor (wss) (on left rear bearing & hub assembly)
Logic
Low ref
Off
Park brake sw
Park brake switch (on park brake assembly)
Pnk
Right front wheel speed sensor (wss) (right side of engine compt)
Right rear wheel speed sensor (wss) (on right rear bearing & hub assembly)
Run
Serial data
Serl data bus+
Serl data bus-
Start
Stop lp sw sig
Traction sw

ANTI-THEFT

Forced Entry Wiring Diagram for Pontiac G8 2008

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List of elements for Forced Entry Wiring Diagram for Pontiac G8 2008:

(in body harness) j306
(in body harness) j320
87a
Body control module (bcm) (under left side of dash, right of steering column)
Coax
Computer data lines system
Door lock/ window switch
Dr lck ctrl
Dr unlk
Dr unlk cntrl
Dr/lck fuse 3 25a
Dr/lck relay 2
Driver door latch
Drvr dr/unlck relay 6
Exterior lights system
Fuel door release actuator
Fuse suply volt
G202 (behind left kick panel)
G305 (behind left kick panel)
G305 (in engine compt, on jump start post)
G407 (under center of rear parcel shelf)
G409 (in rear compartment on latch plate)
Hood ajar switch
Horn relay ctl
Horns system
Hot at all times
Inst/disp/ rfa/dlc fuse 5 10a
Instrument panel fuse block (behind left kick panel)
J231
J317 (in body harness)
J404
Keyless entry antenna
Left rear door latch
Pass dr/unlck relay 3
Passenger door latch
Pk lamp rly ctl
Pwr dr lck
Pwr dr unlk
Rear compartment lid ajar switch
Rear compartment lid latch assembly (center rear of lid)
Rear fuse block (left side of rear compt)
Remote control door lock receiver (rcdlr)
Right rear door latch
Suply volt
Underhood fuse block (mounted to right front strut tower)
X4 hood ajar sw
X5 hood clsd sw
X6 lftgt ajar sw
X7 fuse suply volt

Pass-Key Wiring Diagram for Pontiac G8 2008

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List of elements for Pass-Key Wiring Diagram for Pontiac G8 2008:

(part of ignition key cylinder) theft deterrent control module
Acc
Batt ign 1 gnd
Body control module (bcm) (under left side of dash, right of steering column)
Computer data lines system
Dlis/theft dtrnt fuse 12 2a
G201 (behind right kick panel)
Hot at all times
Ignition switch
Inst/disp/ rfa/dlc fuse 5 10a
Instrument panel cluster
Instrument panel fuse block (behind left kick panel)
J217
J220
J221
Logic
Off
Rear fuse block (left side of rear compt)
Run
Sec ind ctrl
Security ind
Serial data
Serial data +
Start

BODY CONTROL MODULES

Body Control Modules Wiring Diagram (1 of 2) for Pontiac G8 2008

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List of elements for Body Control Modules Wiring Diagram (1 of 2) for Pontiac G8 2008:

(behind right kick panel) g201
5-volt ref
A/t shift lk ctrl sol volt
Acc run
Anti-lock brakes system
Batt pos volt
Body control module (bcm) (under left side of dash, right of steering column)
Comm enable rly ctrl
Computer data lines system
Courtesy lamps sply volt
Courtesy lamps sw sig
Cruise control system
Cruise ctrl sw sig
Dome lamp sply volt
Door locks system
Dr lock ctrl
Dr unlock ctrl
Dr unlock sply volt
Drl ambient light sens sig
Exterior lights system
Flash to pass sw sig
Fog lamp sw
Gmlan serial data bus+
Gmlan serial data bus-
Ground
Hdlp dimmer sw hi beam sig
Headlamp dimming sw down
Headlamp dimming sw up
Headlamp sw off sig
Headlamp sw on sig
Headlights system
Heated seat sply volt (ka1)
Hot at all times
I/p lamp sply volt
Ign 1 volt
Ign key resistor lo ref
Ign key resistor sig
Ignition switch
Inadvertent pwr sply volt
Instrument cluster system
Interior lamp sw sig
Interior lights system
Key in
Led backlight dimming ctrl
Lh turn sig sw
Lo ref
Lo speed gmlan serial data
Off
Park lamp sw on sig
Pnk
Pwr dr lock sply volt
Pwr dr unlock sply volt
Rear compt rly sw
Remote radio ctrl sply volt
Rh turn sig sw
Run/crank volt
Seats system
Security indicator ctrl
Shift interlock system
Start
Stop lamp sw sig
Traction ctrl sw sig
Trans electronic range sig
Transmissions system
Trunk, tailgate, fuel doors system
Windshield washer sw sig
Windshield wiper sw hi sig
Windshield wiper sw lo sig
Wiper sw lo ref
Wiper/washer system

Body Control Modules Wiring Diagram (2 of 2) for Pontiac G8 2008

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List of elements for Body Control Modules Wiring Diagram (2 of 2) for Pontiac G8 2008:

(in rear compt, on latch plate) g409
(under left side of dash, right of steering column) body control module (bcm)
5-volt ref
Acc pwr rly ctrl
Acc wakeup serial data
Anti-lock brakes system
Anti-theft system
Backup lamp rly ctrl
Batt current sig
Batt pos vol
Bcm fuse 9 10a
Computer data lines system
Ctsy/trn sig rt fuse 5 15a
Door locks system
Driver dr ajar sw sig
Driver dr lock sw lock sig
Driver dr lock sw unlock sig
Exterior lights system
Fh windshield wiper sw hi sig
Fog lamp rly ctrl
Ground
Headlamp hi beam rly ctrl
Headlamp lo beam rly ctrl
Headlamp sply vol
Headlights system
Hood ajar sw sig
Hood closed sw sig
Horn rly ctrl
Horns system
Hot at all times
Inadv/ pwr/led fuse 4 15a
Instrument panel fuse block (behind left kick panel)
Int lamps fuse 11 15a
J412
Lf turn sig lamp sply
Liftgate ajar sw sig
Low ref
Lr turn sig lamp sply vol
Park brake sw sig
Park lamp rly ctrl
Pass frt dr ajar sw sig
Pnk
Power distribution system
Rap rly coil sply vol
Rear fuse block (left side of rear compt)
Rh frt turn sig lamp sply vol
Rr turn sig lamp sply vol
Run/crank ctrl
Rvc snsr fuse 11 7.5a
Starting/charging system
Stop fuse 10 15a
Stop lamp sply vol
Stop lamp sw sig
Trn/ sig lt fuse 8 15a
Trn/ sig rt fuse 6 15a
Trunk release rly ctrl
Trunk, tailgate, fuel doors system
Washer fluid pump rly ctrl
Windshield wiper mtr prk sw sig
Windshield wiper sw sig 2
Wiper/washer system

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram for Pontiac G8 2008

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List of elements for Computer Data Lines Wiring Diagram for Pontiac G8 2008:

(in engine harness) j126
(in front body harness) j111
(in instrument panel harness) j213
(left rear of engine compt) g102
(not used) x207
(or 9002)
(or 9003)
(or 9004)
(or 9005)
3.6l
5 speed a/t
6 speed a/t
6.0l
Acc run
Acc serial data
Acc wakeup ser data
Automatic transmission (right rear of transmission)
Body control module (bcm) (under left side of dash, right of steering column)
Comm enable fuse 1 10a
Comm enable relay 2
Comm enable rly
Comm enable rly ctrl
Data link connector (dlc) (under left end of dash)
Data link resistor
Driver information center (dic)
Electronic brake control module (ebcm) (right rear of engine compt)
Engine control module (ecm) (right side of engine compt)
G201 (behind right kick panel)
Hi spd serial data +
Hi spd serial data -
Hot at all times
Hvac control module (right side of hvac unit)
Ignition 1 voltage
Ignition switch
Inflatable restraint front passenger presence system (pps) module
Inflatable restraint sensing & diagnostic module (sdm) (under center console)
Inst/disp rfa/dlc fuse 5 10a
Instrument panel cluster (ipc)
J109 (in front body harness)
J127
J217
J221
J420 (in body harness)
Jx200 (in i/p harness, behind instrument panel)
Lo spd serial data
Off
Radio
Rear fuse block (left side of rear compt)
Remote control door lock receiver (rcdlr)
Start
Steering angle sensor (in steering column)
Theft deterrent module (tdm) (part of ignition key cylinder)
Transmission control module (tcm) (right rear of engine compt)
Underhood fuse block (mounted to right front strut tower)
Vehicle communication interface module (vcim)
Wireless communication module connector (not used)
Yaw rate & lateral accelerometer sensor (under center console)

COOLING FAN

Cooling Fan Wiring Diagram for Pontiac G8 2008

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List of elements for Cooling Fan Wiring Diagram for Pontiac G8 2008:

(or 2761)
3.6l
6.0l
87a
Computer data lines system
Emission fuse 32 15a
Engine control module (right side of engine compt)
Engine coolant temperature (ect) sensor (6.0l: left front of engine) (3.6l: left side of engine)
Engine oil level & temperature sensor (in engine harness)
Fan 1 fuse fu10 30a
Fan 1 relay
Fan 2 fuse fu12 30a
Fan 2 relay
Fan 3 relay
G104 (in engine compt, on jump start post)
Gmlan +
Gmlan -
Hi spd fan
Hot at all times
Hot w/ pwr trn relay energized
J123 (3.6l) (in engine harness)
Left engine cooling fan
Lo spd fan
Low ref
Right engine cooling fan
Underhood fuse block (mounted to right front strut tower)

CRUISE CONTROL

Cruise Control Wiring Diagram for Pontiac G8 2008

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List of elements for Cruise Control Wiring Diagram for Pontiac G8 2008:

3.6l
5 volt ref
6.0l
Accelerator pedal position (app) sensor under left side of dash
App sens 1 sig
App sens 2 sig
Automatic transmission
Automatic transmission (6 speed a/t)
Automatic transmission shift lever
Batt
Batt pos volt
Bcm fuse 9 10a
Body control module (bcm) (under left side of dash, right of steering column)
Brake pedal position (bpp) sensor (top of brake pedal assembly)
Computer data lines system
Control solenoid valve assembly
Cruise ctrl sw sig
Cruise ind
Data bus +
Data bus -
Driver information center
Ecm batt fuse 10 15a
Engine control module (ecm) (right side of engine compt)
Hot at all times
Input speed sensors (oss)
Inst/disp/ rfa/dlc fuse 5 10a
Instrument panel cluster (ipc)
Instrument panel fuse block (behind left kick panel)
J143 (in automatic transmission harness)
J218 (in instrument panel harness)
J221
Lo spd ser data
Logic
Low ref
On/off
Output speed sensors (oss)
Rear fuse block (right side of rear compt)
Red
Red b
Res +
Set -
Sply volt
Stop lp sw sig
Tac mtr ctrl 1
Tac mtr ctrl 2
Throttle body (center front of engine)
Tp sens 1 sig
Tp sens 2 sig
Transmission control module (tcm)
Transmission control module (tcm) (5 speed a/t) (right rear of engine compt)
Turn/signal multi- function switch
Vss high sig
Vss low sig

DEFOGGERS

Defoggers Wiring Diagram for Pontiac G8 2008

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List of elements for Defoggers Wiring Diagram for Pontiac G8 2008:

Computer data lines system
Defogger ind
Defogger switch
G102 (left rear of engine compt)
G407 (under center of rear parcel shelf)
Hot at all times
Hvac batt fuse 2 10a
Hvac control module (right side of hvac unit)
J127
Logic
Rear window defogger grid
Rr defog fuse fu2 40a
Rr defog relay 8
Underhood fuse block (mounted to right front strut tower)

ENGINE PERFORMANCE

3.6L VIN 7

3.6L VIN 7, Engine Performance Wiring Diagram (1 of 5) for Pontiac G8 2008

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List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (1 of 5) for Pontiac G8 2008:

(in engine harness) j123
5v ref
Cam phaser exhaust 1 sig
Cam phaser exhaust 2 sig
Cam phaser intake 1 sig
Cam phaser intake 2 sig
Camshaft position (cmp) exhaust sensor 1 (front of right cylinder bank)
Camshaft position (cmp) exhaust sensor 2 (front of left cylinder bank)
Camshaft position (cmp) intake sensor 1 (front of right cylinder bank)
Camshaft position (cmp) intake sensor 2 (front of left cylinder bank)
Ckp sens 1 sig
Crankshaft position (ckp) sensor (lower right rear of engine)
Engine control module (right side of engine compt)
Engine coolant temperature (ect) sensor (left side of engine)
Engine oil level/ temperature sensor (left front of oil pan)
Engine oil pressure (eop) sensor (top left front of engine)
Evap cnstr purge sol ctrl
Exhaust 1 cam pos sens sig
Exhaust 2 cam pos sens sig
Fuel inj 1 ctrl
Fuel inj 2 ctrl
Fuel inj 3 ctrl
Fuel inj 4 ctrl
Fuel inj 5 ctrl
Fuel inj 6 ctrl
Generator field duty cycle sig
Generator turn on sig
Ic 1 ctrl
Ic 3 ctrl
Ic 5 ctrl
Imt sol vlv
Intake 1 cam pos sens sig
Intake 2 cam pos sens sig
J116 (in engine harness)
J117 (in engine harness)
Knock sens 1 sig
Knock sensor (ks) bank 1 (right side of engine block)
Knock sensor (ks) bank 2 (top left rear of engine)
Low ref
Oil lvl sw sig
Pnk
Sens sig
Starting/charging system
Tac mtr ctrl 1
Tac mtr ctrl 2

3.6L VIN 7, Engine Performance Wiring Diagram (2 of 5) for Pontiac G8 2008

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List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (2 of 5) for Pontiac G8 2008:

(in engine harness) j115
(in engine harness) j121
Camshaft position (cmp) exhaust solenoid 1 (front of right cylinder bank)
Camshaft position (cmp) exhaust solenoid 2 (front of left cylinder bank)
Camshaft position (cmp) intake solenoid 1 (front of right cylinder bank)
Camshaft position (cmp) intake solenoid 2 (front of left cylinder bank)
Computer data lines system
Driver information center (dic)
Evaporative emission (evap) canister purge solenoid valve (top left rear of engine)
Heated oxygen sensor (ho2s) bank 1 sensor 1 (in right bank exhaust manifold)
Heated oxygen sensor (ho2s) bank 2 sensor 1 (in left bank exhaust manifold)
Ign
Instrument panel cluster (ipc)
Intake manifold tuning (imt) solenoid valve
Lo spd gmlan serial data
Logic
Low oil pressure ind
Malfunction ind
Pnk

3.6L VIN 7, Engine Performance Wiring Diagram (3 of 5) for Pontiac G8 2008

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List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (3 of 5) for Pontiac G8 2008:

(behind left kick panel) instrument panel fuse block
(top of left cylinder bank) fuel injectors
(top of right cylinder bank) fuel injectors
Ecm batt fuse 10 15a
Ect sens sig
Engine control module (right side of engine compt)
Fuel pump fuse 12 20a
Fuel relay
G202 (behind left kick panel)
Ho2s high sig
Ho2s htr lo ctrl
Ho2s low sig
Hot at all times
Ic 2 ctrl
Ic 4 ctrl
Ic 6 ctrl
Inst/disp/ rfa/dlc fuse 5 10a
Knock sens 2 sig
Low ref
Oil press sens sig
Oil temp sens sig
Pnk
Rear fuse block (left side of rear compt)
Throttle body (center front of engine)
Tp sens 1 sig
Tp sens 2 sig

3.6L VIN 7, Engine Performance Wiring Diagram (4 of 5) for Pontiac G8 2008

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List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (4 of 5) for Pontiac G8 2008:

(in fuel injector harness) j135
(in right headlamp harness) j137
Canister vent fuse 22 10a
Ecm 1 fuse 15a
Emission 1 fuse 15a
Emission 2 fuse 32 15a
Eng ign fuse 10a
Even coils fuse 20a
Fan 1 relay
Fan 2 relay
Fan 3 relay
G108 (right rear of engine block)
G109 (left middle of engine block)
Hot at all times
Hot w/ ign relay 14 energized
Ignition coil 1 (top of right cylinder bank)
Ignition coil 2 (top of left cylinder bank)
Ignition coil 3 (top of right cylinder bank)
Ignition coil 4 (top of left cylinder bank)
Ignition coil 5 (top of right cylinder bank)
Ignition coil 6 (top of left cylinder bank)
J105
J106
J114 (in engine harness) pnk
J118 (in engine harness)
J120
J139 (in front object alarm harness)
J146
Nca
Odd coils fuse 20a
Plug spark
Pnk
Pnk b
Pnk d
Pwr trn relay 13
Spark plug
Underhood fuse block (mounted to right front strut tower)

3.6L VIN 7, Engine Performance Wiring Diagram (5 of 5) for Pontiac G8 2008

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List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (5 of 5) for Pontiac G8 2008:

(in exhaust system, rear of left catalytic converter) heated oxygen sensor (ho2s) bank 2 sensor 2
(in exhaust system, rear of right catalytic converter) heated oxygen sensor (ho2s) bank 1 sensor 2
5v ref
A/c refrig press sens
Acc wakeup serial data
Accelerator pedal position (app) sensor (under left side of dash)
Air conditioning system
App sens 1 sig
App sens 2 sig
App sensor 1
App sensor 2
Batt positive volt
Computer data lines system
Cooling fans system
Engine control module (right side of engine compt)
Evaporative emission (evap) canister vent solenoid valve
Exterior lights system
Fuel level sensor
Fuel level sensor (secondary) (in fuel tank)
Fuel lvl sens sig 1
Fuel lvl sens sig 2
Fuel press sig
Fuel pump
Fuel pump &
Fuel pump rly ctrl
Fuel sys cnstr vent
Fuel tank
G106 (right front of engine block)
G304 (behind right kick panel)
Gmlan serial data bus+
Gmlan serial data bus-
Gnd
Hi spd cooling fan rly
Ho2s high sig
Ho2s htr lo ctrl
Ho2s low sig
Iat sens sig
Ign 1 volt
J122
J124 (in engine harness)
J326 (in fuel tank harness)
Lo spd cooling fan rly
Low ref
Maf sens sig
Main rly ctrl
Mass air flow (maf)/intake air temperature (iat) sensor (front of engine, in air cleaner duct)
Mil ctrl
Park/neutral sig
Pnk
Pressure (ftp) sensor
Sender assembly (in fuel tank)
Sens sig
Starter rly coil ctrl
Starting/charging system
Stop lamp sw sig

6.0L VIN Y

6.0L VIN Y, Engine Performance Wiring Diagram (1 of 5) for Pontiac G8 2008

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List of elements for 6.0L VIN Y, Engine Performance Wiring Diagram (1 of 5) for Pontiac G8 2008:

5v ref
5v rtn brk booster vacuum
A/c refrig press sens sig
Acc wakeup serial data
Accelerator pedal position (app) sensor (under left side of dash)
Air conditioning system
Anti-lock brakes system
App sens 1 sig
App sens 2 sig
App sensor 1
App sensor 2
Batt positive volt
Brk booster vacuum sens
Computer data lines system
Cooling fans system
Ecm batt fuse 10 15a
Engine control module (right side of engine compt)
Exterior lights system
Fuel lvl sens sig
Fuel pump fuse 12 20a
Fuel pump rly ctrl
Fuel relay
Fuel tank pressure (ftp) sensor
Fuel tank vapour press
G202 (behind left kick panel)
Gmlan serial data bus+
Gmlan serial data bus-
Heated oxygen sensor (ho2s) bank 1 sensor 2 (in exhaust system, rear of right catalytic converter)
Hi spd cooling fan rly ctrl
Ho2s high sig
Ho2s low sig
Hot at all times
Iat sens sig
Ign 1 volt
Inst/disp/ rfa/dlc fuse 5 10a
Instrument panel fuse block (behind left kick panel)
J221
Lo spd cooling fan rly ctrl
Low ref
Maf sens sig
Main rly ctrl
Park/neutral sig
Pnk
Rear fuse block (left side of rear compt)
Starter rly coil ctrl
Starting/charging system
Stop lamp sw sig

6.0L VIN Y, Engine Performance Wiring Diagram (2 of 5) for Pontiac G8 2008

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List of elements for 6.0L VIN Y, Engine Performance Wiring Diagram (2 of 5) for Pontiac G8 2008:

(in fuel tank harness)
Computer data lines system
Driver information center (dic)
Engine control module (right side of engine compt)
Evaporative emission (evap) canister vent solenoid valve
Fuel level sensor
Fuel level sensor (secondary) (in fuel tank)
Fuel lvl sens sig
Fuel pump
Fuel pump &
Fuel tank vent
G110 (right front of engine block)
G304 (behind right kick panel)
Gnd
Heated oxygen sensor (ho2s) bank 2 sensor 2 (in exhaust system, rear of left catalytic converter)
Ho2s high sig
Ho2s htr low
Ign
Ign 1 volt
Instrument panel cluster (ipc)
J326
Lo spd gmlan serial data
Logic
Low oil pressure ind
Malfunction ind
Mass air flow (maf)/intake air temperature (iat) sensor (left front of engine compt, in air cleaner duct)
Mil ctrl
Pnk
Sender assembly (in fuel tank)
Sens sig

6.0L VIN Y, Engine Performance Wiring Diagram (3 of 5) for Pontiac G8 2008

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List of elements for 6.0L VIN Y, Engine Performance Wiring Diagram (3 of 5) for Pontiac G8 2008:

(in engine harness) j114
(in engine harness) j121
(in even ignition coil harness) j132
Canister vent fuse 22 10a
Ecm 1 fuse 15a
Emission 1 fuse 15a
Emission 2 fuse 32 15a
Eng ign fuse 10a
Even coils fuse 20a
Fan 1 relay
Fan 2 relay
Fan 3 relay
G110 (right front of engine block)
Hot at all times
Hot w/ ign relay 14 energized
Ignition coil 2 (top left side of engine)
Ignition coil 4 (top left side of engine)
Ignition coil 6 (top left side of engine)
Ignition coil 8 (top left side of engine)
J120
J141
J141 (in even ignition coil harness)
Knock sensor (ks) left (lower left side of engine)
Knock sensor (ks) right (lower right rear of engine)
Nca
Odd coils fuse 20a
Plug spark
Pnk
Pnk d
Pwr trn relay 13
Red c
Spark plug
Underhood fuse block (mounted to right front strut tower)

6.0L VIN Y, Engine Performance Wiring Diagram (4 of 5) for Pontiac G8 2008

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List of elements for 6.0L VIN Y, Engine Performance Wiring Diagram (4 of 5) for Pontiac G8 2008:

(front of engine, above crankshaft pulley) camshaft position (cmp) sensor
(in engine harness) j118
(in odd ignition coil harness) j133
(top of left cylinder bank) fuel injectors
(top of right cylinder bank) fuel injectors
5v ref
Ckp sens sig
Cmp sens sig
Crankshaft position (ckp) sensor (lower right rear of engine)
Engine control module (right side of engine compt)
G112 (left rear of engine block)
Gen turn on sig
Ic 1 ctrl
Ic 2 ctrl
Ic 3 ctrl
Ic 4 ctrl
Ic 5 ctrl
Ic 6 ctrl
Ic 7 ctrl
Ic 8 ctrl
Ignition coil 1 (top right side of engine)
Ignition coil 3 (top right side of engine)
Ignition coil 5 (top right side of engine)
Ignition coil 7 (top right side of engine)
J130
J142 (in odd ignition coil harness)
Low ref
Nca
Plug spark
Pnk
Pnk d
Red c
Sens sig
Spark plug
Starting/ charging system
Tp sens 2 sig

6.0L VIN Y, Engine Performance Wiring Diagram (5 of 5) for Pontiac G8 2008

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List of elements for 6.0L VIN Y, Engine Performance Wiring Diagram (5 of 5) for Pontiac G8 2008:

(left front of engine) engine coolant temperature (ect) sensor
(top front of engine) evaporative emission (evap) canister purge solenoid valve
5v ref
Cyl shut off sol 1
Cyl shut off sol 2
Cyl shut off sol 3
Cyl shut off sol 4
Ect sens sig
Engine control module (right side of engine compt)
Engine oil level/ temperature sensor (right side of oil pan)
Engine oil pressure (eop) sensor (top rear of engine)
Evap cnstr purge sol ctrl
Fuel inj 1 ctrl
Fuel inj 2 ctrl
Fuel inj 3 ctrl
Fuel inj 4 ctrl
Fuel inj 5 ctrl
Fuel inj 6 ctrl
Fuel inj 7 ctrl
Fuel inj 8 ctrl
Gen field duty cycle sig
Heated oxygen sensor (ho2s) bank 1 sensor 1 (in right bank exhaust manifold)
Heated oxygen sensor (ho2s) bank 2 sensor 1 (in left bank exhaust manifold)
Ho2s high sig
Ho2s htr low
Ho2s low sig
Knock sens 1 sig
Knock sens 2 sig
Knock sens sig rtn
Low ref
Manifold absolute pressure (map) sensor (top front of engine)
Map sens sig
Oil lvl sw sig
Oil press sens sig
Oil temp sens sig
Starting/charging system
Tac mtr ctrl 1
Tac mtr ctrl 2
Throttle body (center front of engine)
Valve lifter oil manifold (vlom) assembly

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for Pontiac G8 2008

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List of elements for Back-up Lamps Wiring Diagram for Pontiac G8 2008:

(in body harness) j238
(in rear body harness) j406
(under left side of dash, right of steering column) body control module (bcm)
A/t shift lever
Backup lp fuse 3 15a
Backup lp relay 4
Cruise control system
G409 (in rear compt, on latch plate)
Hot at all times
Inside rearview mirror (isrvm)
J201 (in instrument panel harness)
J414
J415
Left backup lamp
Rear object sensor control module connector (not used)
Right backup lamp
S218 (in instrument panel harness)
Underhood fuse block (mounted to right front strut tower)
Wireless communication module connector (not used)

Exterior Lamps Wiring Diagram (1 of 2) for Pontiac G8 2008

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List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Pontiac G8 2008:

(behind right kick panel) g201
5-volt
Auto
Batt
Body control module (bcm) (under left side of dash, right of steering column)
Brake pedal position (bpp) sensor (top of brake pedal assembly)
Center high mounted stop lamp (chmsl)
Computer data lines system
G104 (in engine compt, on jump start post)
G201 (behind right kick panel)
G305 (behind left kick panel)
G409 (in rear compt, on latch plate)
Head
Headlamp & panel dimmer switch
Hot at all times
I/p fuse block (behind left kick panel)
Instrument panel cluster (ipc)
J136
J137
J305 (in body harness)
J321 (in body harness)
J324
J414
J415
Left
Left front turn signal lamp
Left rear turn signal lamp
Left turn ind
Left turn signal repeater lamp
Lf turn sig
Logic
Low ref
Lr turn sig
Lt turn sig
Off
Park
Prk lamp rly
Prk lamp sig
Red
Rf turn sig
Right
Right front turn signal lamp
Right rear turn signal lamp
Right turn ind
Right turn signal repeater lamp
Rr turn sig
Rt turn sig
Serial data
Stop fuse 10 15a
Stop lamp sw
Stop lmp volt
Trn/sig lt fuse 8 15a
Trn/sig rt fuse 6 15a
Turn signal/ multi-function switch
Underhood fuse block (mounted to right front strut tower)

Exterior Lamps Wiring Diagram (2 of 2) for Pontiac G8 2008

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List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Pontiac G8 2008:

(in front body harness) j104
(in rear body harness) j408
3.6l
6.0l
Automatic transmission (6.0l) (right rear of transmission)
Engine control module (ecm) (right side of engine compt)
G104 (in engine compt, on jump start post)
G304 (behind right kick panel)
G409 (in rear compt, on latch plate)
Grd
Hot at all times
J125 (in engine harness)
J136
J137
J400
J413
J416
J417
J418
J419
Left front park lamp
Left license lamp
Left rear side marker lamp
Left tail/ stop lamp
Lt prk fuse 10a
Mjr
Mnr
Prk lamp relay 18
Red
Right front park lamp
Right license lamp
Right rear side rear side marker marker lamp lamp
Right tail/ stop lamp
Rt prk fuse 10a
Transmission control module (tcm) (3.6l) (right rear of engine compt)
Underhood fuse block (mounted to right front strut tower)

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 4) for Pontiac G8 2008

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List of elements for Ground Distribution Wiring Diagram (1 of 4) for Pontiac G8 2008:

(mounted to right front strut tower) underhood fuse block
(on right side of engine block, near front)
(on right side of engine block, near middle)
Ambient light sensor
Automatic transmission shift lever
Blower control module
Body control module (bcm)
Center console multi-function switch
Center high mounted stop lamp (chmsl)
Data link connector (dlc)
Fan 2 relay 19
Front dome/ reading lamps
G103 (in engine compartment, on abs bracket)
G104 (in engine compartment, on jump start panel)
G111 (6.0l) g107 (3.6l)
G201 (behind right kick panel)
G310 (top of steering column)
Headlamp & dimmer panel switch
Hood ajar switch
Hvac control module
I/p accessory power outlet
Ignition key cylinder lamp
Inflatable restraint steering wheel module coil
Instrument panel cluster (ipc)
J103 (in forward lamp harness)
J240 (in steering wheel harness)
J325 (in headliner harness)
Left engine cooling fan
Left front courtesy/ reading lamps
Left front park lamp
Left front turn signal lamp
Left high beam headlamp
Left horn
Left steering wheel control switch
Left sunshade
Nca
Rear dome/ reading lamps
Right front courtesy/ reading lamps
Right front park lamp
Right front turn signal lamp
Right high beam headlamp
Right horn
Right sunshade
Sunroof control module
Sunroof switch
Theft deterrent module (tdm)
Turn signal/ multi-function switch
W/ electric glass sliding sunroof
W/o electric sun glass sliding
Windshield washer fluid pump
X115
X116

Ground Distribution Wiring Diagram (2 of 4) for Pontiac G8 2008

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List of elements for Ground Distribution Wiring Diagram (2 of 4) for Pontiac G8 2008:

(behind left kick panel) i/p fuse block
87a
Accy relay 8
Battery
Dr/lck relay 2
Driver information center (dic)
Drvr dr/unlock relay 6
Fuel pump & sender assembly
Fuel relay 12
G202 (behind left kick panel)
G303 (behind right center of dash)
G304 (behind right center of dash)
G308 (under center console)
G401 (rear compartment, on left rear beam)
G407 (under center of rear panel shelf)
Inflatable restraint passenger presence
Inflatable restraint sensing & diagnostic
Inside rear view mirror (isrvm)
J209 (in instrument panel harness)
J314 (in body harness)
J322 (in seat harness)
Left inflatable restraint side impact module
Left license lamp
Module (sdm)
Pass dr/ unlck relay 3
Passenger back heated seat element
Passenger heated seat control module
Passenger seat adjuster switch
Radio
Rap 1 relay 1
Rap 2 relay 7
Rear compartment lid release switch
Rear window defogger grid
Remote control door lock receiver (rcdlr)
Right front door latch
Right inflatable restraint side impact module
Right license lamp
Right rear door latch
Right turn signal repeater lamp
System (pps) module
Vehicle communication interface module (vcim)
W/ front seat heater
Window control module
X2 a

Ground Distribution Wiring Diagram (3 of 4) for Pontiac G8 2008

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List of elements for Ground Distribution Wiring Diagram (3 of 4) for Pontiac G8 2008:

(6.0l) (right front of engine block)
(6.0l) (right rear of engine block)
(w/ preset equalizer, 150w 6 cd changer in head unit & audio system) audio amplifier
Body control module (bcm)
Center console compartment accessory power outlet
Compartment lid latch
Door lock/ window switch
Driver back heated seat element
Driver heated seat control module
Driver seat adjuster switch
Engine control module (ecm)
G110
G112
G305 (behind left kick panel)
G409 (in rear compt on latch plate)
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Ignition coil 5
Ignition coil 6
Ignition coil 7
Ignition coil 8
J130 (in ignition coil harness)
J141 (in even ignition coil harness)
J323 (in seat harness)
J407 (in rear body harness)
J412 (in rear body harness)
J414 (in right taillight harness)
J415 (in left taillight harness)
J416 (in right taillight harness)
J417 (in left taillight harness)
Left backup lamp
Left front door latch
Left rear door latch
Left rear side marker lamp
Left rear turn signal lamp
Left tail/ stop lamp
Left turn signal repeater lamp
Mass air flow (maf)/ intake air temperature (iat) sensor
Rear
Right backup lamp
Right rear side marker lamp
Right rear turn signal lamp
Right tail/ stop lamp
Transmission control module (tcm)
W/ front seat heater
X400
X401

Ground Distribution Wiring Diagram (4 of 4) for Pontiac G8 2008

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List of elements for Ground Distribution Wiring Diagram (4 of 4) for Pontiac G8 2008:

(mounted to right front strut tower) underhood fuse block
Automatic transmission
Brake fluid level switch
Comm enable relay 2
Crnk relay 12
Electronic brake control module (ebcm)
Engine control module (ecm)
G102 (left rear of) engine compt)
G106 (3.6l) (right front of) engine block)
G108 (3.6l) (right rear of) engine block)
G109 (3.6l) (left middle of) engine block)
Ign relay 14
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Ignition coil 5
Ignition coil 6
J102 (in forward lamp harness)
J105 (in engine harness)
J106 (in engine harness)
J122 (in engine harness)
J127 (in engine harness)
J131 (in front object alarm harness)
Left front fog lamp
Left front side
Left low beam headlamp
Marker lamp
Mass air flow (maf)/ intake air temperature (iat) sensor
Right front fog lamp
Right front side
Right low beam headlamp
Rr defog relay 8
Theft deterrent alarm siren
Transmission control module (tcm)
Windshield wiper motor
Wpr lo relay 10
X115
X116
X2 a

HEADLIGHTS

Headlights Wiring Diagram for Pontiac G8 2008

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List of elements for Headlights Wiring Diagram for Pontiac G8 2008:

(behind right kick panel) g201
(in front object alarm harness) j138
Air conditioning system
Amb lt sens sig
Ambient light sensor (under left top of dash)
Auto
Automatic a/c
Body control module (bcm) (under left side of dash, right of steering column)
Computer data lines system
Dimmer sw hi bm sig
Drl fuse 10a
Drl relay
Fog lamp fuse 4 15a
Fog lamp ind
Fog lamp relay 5
Fog lamp rly ctrl
Fog lamp sw
Fog lamp switch
Ftp
Ftp sw sig
G102 (left rear of engine compt)
G104 (in engine compt, on jump start post)
G201 (behind right kick panel)
Hdlp hi beam relay 11
Hdlp hi beam rly
Hdlp lo beam relay 6
Hdlp lo beam rly
Hdlp lo beam suppy
Hdlp sw off sig
Hdlp sw on sig
Head
Headlamp & panel dimmer switch
High
High beam
Hot at all times
Hvac control module (right side of hvac unit)
Ind
Instrument panel cluster (ipc)
Instrument panel fuse block (behind left kick panel)
J100 (in forward lamp harness)
J102
J103
J131
J214 (in instrument panel harness)
J228
Left front fog lamp
Left high beam headlamp
Left low beam headlamp
Lo spd gmlan ser data
Logic
Low
Low ref
Low spd ser data
Lt hi beam fuse 10a
Lt lo beam fuse 10a
Manual a/c
Off
Park
Park brake sw sig
Park brake switch (on park brake assembly)
Red
Right front fog lamp
Right high beam headlamp
Right low beam headlamp
Rt hi beam fuse 10a
Rt lo beam fuse 10a
Sunload sensor (under left top of dash)
Turn signal/ multi-function switch
Underhood fuse block (mounted to right front strut tower)
X115
X116

HORN

Horn Wiring Diagram for Pontiac G8 2008

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List of elements for Horn Wiring Diagram for Pontiac G8 2008:

Body control module (bcm) (under left side of dash, right of steering column)
G102 (left rear of engine compt)
G104 (in engine compt, on jump start post)
G201 (behind right kick panel)
Horn fuse 8 15a
Horn relay
Horn relay ctrl
Horn switch
Hot at all times
Inflatable restraint steering wheel module coil
J236 (in instrument panel harness)
Left horn (left front of engine compt)
Right horn (right front of engine compt)
Theft deterrent alarm siren
Theft horn fuse 17 10a
Underhood fuse block (mounted to right front strut tower)

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram for Pontiac G8 2008

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List of elements for Instrument Cluster Wiring Diagram for Pontiac G8 2008:

(behind right kick panel) g201
(in fuel tank harness) j326
(on park brake assembly) park brake switch
(or 2705)
(or 2755)
(or 470)
(under left side of dash, right of steering column) body control module (bcm)
3.6l
5v ref 1
6.0l
Abs ind
Acc run
Air bag ind
Battery
Brake fluid level switch (in brake fluid reservoir)
Brake ind
Brk warning ind ctrl
Charging ind
Computer data lines system
Computer data lines system mirrors system
Coolant temp gauge
Cruise ind
Dic sw low ref
Disable sw sig
Display
Driver information center (dic)
Ect sens sig
Engine control module (ecm) (right side of engine compt)
Engine controls system
Engine coolant temperature (ect) sensor (left side of engine)
Engine oil level & temperature sensor (3.6l: left front of oil pan) (6.0l: right side of oil pan)
Engine oil pressure (eop) sensor (3.6l: top left front of engine) (6.0l: top rear of engine)
Fog lamp ind
Fuel level gauge
Fuel level sensor (secondary) (in fuel tank)
Fuel lvl sens
Fuel pressure sensor
Fuel pump & sender assembly (in fuel tank)
Fuel tank press
G102 (left rear of engine compt)
G202 (behind left kick panel)
Gnd
Ground
Hi spd data +
Hi spd data -
High beam ind
Hot at all times
Ignition 1 voltage
Ignition switch
Inst/disp/ rfa/dlc fuse 5 10a
Instrument panel cluster (ipc)
J123
J215
J221
Km/h mph gauge
Left steering wheel 1
Left steering wheel 2
Left turn ind
Lo spd ser
Lo spd serial data
Logic
Low oil pressure ind
Low ref
Low tire pressure ind
Malfunction ind
Mil ctrl
Mirrors system
Off
Oil lvl sw sig
Oil press sens
Pnk
Prk brk sw
Rear fuse block (left side of rear compt)
Right steering wheel 1
Right steering wheel 2
Right turn ind
Rpm gauge
Seat belt ind
Sec ind ctrl
Security ind
Security ind ctrl
Serial data
Sound systems
Start
Steering wheel ctrl
Suppression ind ctrl

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram for Pontiac G8 2008

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List of elements for Courtesy Lamps Wiring Diagram for Pontiac G8 2008:

(behind right kick panel) g201
(in instrument panel harness) j216
(not used)
12v
Ajar switch
Batt +
Bcm fuse 9 10a
Body control module (bcm) (under left side of dash, right of steering column)
Computer data lines system
Connection information not available
Cylinder lamp
Data bus +
Data bus -
Dome/reading lamps
Driver door latch assembly (rear of driver door)
Drvr ajar sw
Front dome lamp
G201 (behind right kick panel)
G304 (behind right kick panel)
G305 (behind left kick panel)
Hot at all times
Ignition key
Inadv/ pwr/led fuse 4 15a
Instrument panel fuse block (behind left kick panel)
J324
J327 (in headliner harness)
Left rear door latch assembly (rear of left rear door)
Left sunshade
Lp sply volt
Lp sw sig
Panel harness) j202
Pass ajar sw
Passenger door latch assembly (rear of front passenger door)
Rear compartment courtesy lamp
Rear compartment lid latch assembly (center rear of lid)
Rear dome lamp
Right rear door latch assembly (rear of right rear door)
W/ electric sliding glass sunroof
W/o electric sliding glass sunroof
X205

Instrument Illumination Wiring Diagram for Pontiac G8 2008

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List of elements for Instrument Illumination Wiring Diagram for Pontiac G8 2008:

(in instrument panel harness) j208
Auto
Automatic transmission shift lever
Batt +
Bcm fuse 9 10a
Body control module (bcm) (under left side of dash, right of steering column)
Center console multi-function switch
Computer data lines system
Data bus +
Data bus -
Dimming ctrl
Dome/ reading lamps
Door lock/ window switch
Driver information center (dic)
G201 (behind right kick panel)
G305 (behind left kick panel)
G310 (top of steering column)
Head
Headlamp & panel dimmer switch
Hot at all times
Hot w/ ign relay energized
Htd seat/ onstar ign fuse 38 10a
Hvac control module (right side of hvac unit)
Inadv/ pwr/led fuse 4 15a
Inflatable restraint steering wheel module coil
Instrument panel cluster (ipc)
Instrument panel fuse block (behind left kick panel)
J240
J324
Lo spd gmlan serial data
Logic
Nca
Off
Park
Park lp sw on sig
Park rly ctrl
Prk lamp relay 18
Radio
Steering wheel control switch
Sw down
Sw up
Swc bklt fuse 23 2a
Underhood fuse block (mounted to right front strut tower)
W/ electric sliding glass sunroof

NAVIGATION

Navigation Wiring Diagram for Pontiac G8 2008

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List of elements for Navigation Wiring Diagram for Pontiac G8 2008:

Audio sig (+)
Audio sig (-)
Audio sig mute
Batt pos vol
Cellular & navigation antenna
Cellular signal
Cellular telephone microphone
Coax
Computer data lines system
Drain wire
G303 (behind right center of dash)
Gmlan serial data
Ground
Hot at all times
J209
Nca
Onstar fuse 8 10a
Radio
Rear fuse block (left side of rear compt)
Serial data bus+
Serial data bus-
Vcim batt low ref
Vcim batt pwr
Vehicle communication interface module (vcim)
Vehicle communication interface module (vcim) battery
Voice low ref
Voice sig

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 4) for Pontiac G8 2008

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List of elements for Power Distribution Wiring Diagram (1 of 4) for Pontiac G8 2008:

(in body harness) j302
(in body harness) j402
(in engine harness) j128
(in i/p harness) j211
(in i/p harness) j223
(in rear body harness) j410
(left side of rear compt) rear fuse block
(mounted to front strut tower) underhood fuse block
(not used)
175a
5 speed a/t
6 speed a/t
Abs mtr fuse fu3 40a
Abs vlv fuse 5 25a
Amp fuse 2 30a
Audio amplifier (premium audio)
Automatic transmission
Battery
Battery cable fuse block
Blwr relay 9
Canister vent fuse 22 10a
Data link connector (dlc)
Digital radio receiver connector (not used)
Driver information center (dic)
Electronic brake control module (ebcm)
Engine battery cable junction block
Evaporative emission (evap) canister vent solenoid valve
Front dome/ reading lamps (w/o sunroof)
Fuse 1 10a
Fuse 6 20a
Fusible link 60a
Generator
Generator inline fuse
Hdlp lo beam relay 6
Horn relay
Hvac batt fuse 2 10a
Hvac blwr fuse fu9 40a
Hvac control module
I/p battery cable junction block
I/p fuse block
Inst/disp rfa/dlc fuse 5 10a
Instrument panel cluster (ipc)
J112 (in front body harness)
J221
J404 (in body harness)
Prk lamp relay
Radio
Rdo fuse 4 15a
Red
Remote control door lock receiver (rcdlr)
Starter motor
Tcm fuse 9 15a
To batt 3 fuse fu4 (diagram 2 of 4)
To splice j407 (diagram 4 of 4)
Transmission control module (tcm)
Wireless communication module connector (not used)
Wsw relay
Xm fuse 3 10a

Power Distribution Wiring Diagram (2 of 4) for Pontiac G8 2008

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List of elements for Power Distribution Wiring Diagram (2 of 4) for Pontiac G8 2008:

(behind left kick panel) i/p fuse block
(in i/p harness) j219
(in i/p harness) j220
(in i/p harness) j230
(mounted to right front strut tower) underhood fuse block
(not used)
Accy relay
Aos fuse 5a
Backup lp fuse 3 15a
Backup lp relay 4
Batt 2 fuse fu7 50a
Batt 3 fuse fu4 50a
Bcm fuse 9 10a
Body control module (bcm)
Comm enable fuse 1 10a
Comm enable relay 2
Crank relay 12
Ctsy/trn sig rt frt fuse 5 15a
Dlis/ theft dtrnt fuse 12 2a
Door lock/ window switch
Driver seat heating module (if equipped)
Drl fuse 15a
Drl relay 11
Fan 1 fuse fu10 30a
Fan 1 relay 17
Fan 2 fuse fu12 30a
Fan 3 relay 20
Fog lamp fuse 4 15a
Fog lamp relay 5
From prk lamp relay 18 (diagram 1 of 4)
Fuse 10a
G202
Htd/ seat lt fuse 19 15a
Htd/ seat rt fuse 20 15a
I/p accessory power outlet
Inflatable restraint front passenger presence system (pps) module
Int lamps fuse 11 15a
J228 (in i/p harness)
J316 (in body harness)
Osrvm fuse 15 2a
Passenger seat heating module (if equipped)
Pwr trn relay 13
Rear object sensor control module connector (not used)
Rr defog fuse fu2 40a
Rr defog relay 8
S/roof atsl fuse 16 10a
Stop fuse 10 15a
Strtr fuse fu8 40a
Sunroof control module (if equipped)
Theft deterrent module (tdm)
To batt 1 fuse fu5 (diagram 3 of 4)
To i/p fuse block rap 2 relay 7 (diagram 3 of 4)
To ignition switch (diagram 4 of 4)
Trn sig rt fuse 6 15a
Trn/ sig lt fuse 8 15a
Wireless communication module connector (not used)

Power Distribution Wiring Diagram (3 of 4) for Pontiac G8 2008

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List of elements for Power Distribution Wiring Diagram (3 of 4) for Pontiac G8 2008:

(3.6l)
(6.0l)
(behind left kick panel) i/p fuse block
(diagram 2 of 4)
(in body harness)
(in body harness) j309
(in engine harness) j120
(in front body harness) j110
(in i/p harness)
(in i/p harness) j210
(in i/p harness) j229
(mounted to right front strut tower) underhood fuse block
(not used)
5 speed a/t
6 speed a/t
Air bag fuse 1 10a
Air bag fuse 10a
Automatic transmission
Aux pwr fuse 20a
Batt 1 fuse fu5 50a
Body control module (bcm)
Center console compartment accessory power outlet
Door lock/window switch
Dr/lc relay
Dr/lck fuse 25a
Driver seat adjuster switch
Drvr dr/ unlk relay 6
Eng ign fuse 10a
Engine control module (ecm)
From fan 2 fuse fu12 c
From underhood fuse block splice j230 (diagram 2 of 4)
Frt ltr fuse 20a
Frt wpr fuse 15 30a
G102 (left rear of engine compt)
G201 (behind right kick panel)
G202 (behind left kick panel)
G305 (behind left kick panel)
Harness)
Hdlp hi beam relay 11
Htd seat/ onstar ign fuse 38 10a
Hvac control module
Hvac ign fuse 10a
I/p accessory power outlet
Ign relay
Inadv/ pwr/led fuse 4 15a
Inflatable restraint sensing & diagnostic module (sdm)
J226
J227
J231
J232
J233
J315
Mass air flow (maf) intake air temperature (iat) sensor
Pass dr/ unlk relay 3
Passenger seat adjuster switch
Pnk
Rap 1 relay 1
Rap 2 relay 7
Rear/ ltr fuse 20a
Red
S/roof fuse 20a
Seat circuit breaker b3 20a
Sunroof control module (if equipped)
To splice j222 (diagram 4 of 4)
Transmission control module (tcm)
Trunk fuse 10a
Trunk release relay 5
Window control module
Wiper hi relay 9
Wiper lo relay 10
Wndw cntrl fuse 2a
Wndw mtr circuit breaker b2 20a

Power Distribution Wiring Diagram (4 of 4) for Pontiac G8 2008

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List of elements for Power Distribution Wiring Diagram (4 of 4) for Pontiac G8 2008:

(3.6l)
(6.0l)
(in body harness) j237
(in instrument panel harness) j215
(in instrument panel harness) j217
(in instrument panel harness) j222
(in rear body harness) j407
(left side of rear compt) rear fuse block
(not used)
Acc run
Body control module (bcm)
Center console multi-function switch (w/ front seat heater)
Driver heated seat control module
Ecm batt fuse 10 15a
Engine control module (ecm)
From battery cable fuse block (diagram 1 of 4)
From i/p fuse block splice j220 (diagram 2 of 4)
From underhood fuse block htd seat/ onstar ign fuse (diagram 3 of 4)
Fuel pump fuse 20a
Fuel relay
Fuse 10a
Fuse 30a
Headlamp & dimmer panel switch
I/p fuse block
Ignition switch
Inside rearview mirror
Instrument panel cluster (ipc)
Key in ignition switch
Off
Onstar fuse 10a
Passenger heated seat control module
Pnk
Rvc snsr fuse 11 7.5a
Start
Theft deterrent module (tdm)
Vehicle communication interface module (vcim)
W/ front seat heater

POWER DOOR LOCKS

Power Door Locks Wiring Diagram for Pontiac G8 2008

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List of elements for Power Door Locks Wiring Diagram for Pontiac G8 2008:

(in body harness) j306
(in body harness) j320
87a
Body control module (bcm) (under left side of dash, right of steering column)
Coax
Computer data lines system
Door lock/ window switch
Dr lck ctrl
Dr unlk
Dr unlk cntrl
Dr/lck fuse 3 25a
Dr/lck relay 2
Driver door latch
Drvr dr/unlck relay 6
Exterior lights system
Fuel door release actuator
Fuse suply volt
G202 (behind left kick panel)
G305 (behind left kick panel)
G305 (in engine compt, on jump start post)
G407 (under center of rear parcel shelf)
G409 (in rear compartment on latch plate)
Hood ajar switch
Horn relay ctl
Horns system
Hot at all times
Inst/disp/ rfa/dlc fuse 5 10a
Instrument panel fuse block (behind left kick panel)
J231
J317 (in body harness)
J404
Keyless entry antenna
Left rear door latch
Pass dr/unlck relay 3
Passenger door latch
Pk lamp rly ctl
Pwr dr lck
Pwr dr unlk
Rear compartment lid ajar switch
Rear compartment lid latch assembly (center rear of lid)
Rear fuse block (left side of rear compt)
Remote control door lock receiver (rcdlr)
Right rear door latch
Suply volt
Underhood fuse block (mounted to right front strut tower)
X4 hood ajar sw
X5 hood clsd sw
X6 lftgt ajar sw
X7 fuse suply volt

POWER MIRRORS

Automatic Day/Night Mirror Wiring Diagram for Pontiac G8 2008

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List of elements for Automatic Day/Night Mirror Wiring Diagram for Pontiac G8 2008:

(behind left kick panel) g202
(canada)
(usa)
2008-gm4-25-02
Air bag off ind
Air bag on ind
Automatic day/night mirror
Backup lamp relay control
Backup lp fuse 3 15a
Backup lp relay 4
Body control module (bcm) (under left side of dash, right of steering column)
Computer data lines system
Emergency ind
Emergency switch
Exterior lights system
High speed gmlan serial data bus+
High speed gmlan serial data bus-
Hot at all times
Hot w/ ign relay 14 energized
Htd seat/ onstar ign fuse 38 10a
I/p module disable switch signal
I/p module suppression indicator control
Ign
Inside rearview mirror
Instrument panel cluster (ipc)
J201 (in instrument panel harness)
J222
Keypad green led ind
Keypad green led signal
Keypad red led ind
Keypad red led signal
Keypad signal
Left turn ind
Lo spd data
Logic
Low speed gmlan serial data
Off ind
On ind
Onstar button assembly
Onstar ind
Onstar switch
Passenger air bag ind (usa)
Phone ind
Phone switch
Right turn ind
Underhood fuse block (mounted to right front strut tower)
Vehicle communication interface module (vcim)

Power Mirrors Wiring Diagram for Pontiac G8 2008

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List of elements for Power Mirrors Wiring Diagram for Pontiac G8 2008:

2008-gm4-25-01
Door lock/ window switch
Down
Driver outside rearview mirror (on driver front door)
G305 (behind left kick panel)
Hot w/ accy relay 8 energized
Instrument panel fuse block (behind left kick panel)
J307 (in body harness)
J316
Left
Left/ right
Nca
Osrvm fuse 15 2a
Passenger outside rearview mirror (on passenger front door)
Right
Up/ down

POWER SEATS

Driver Power Seat Wiring Diagram for Pontiac G8 2008

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List of elements for Driver Power Seat Wiring Diagram for Pontiac G8 2008:

Down
Driver seat adjuster switch
Driver seat front vertical motor
Driver seat horizontal motor (6-way driver power seat adjuster)
Driver seat rear vertical motor
Front vertical
Fwd
G305 (behind left kick panel)
Horizontal
Hot at all times
Instrument panel fuse block (behind left kick panel)
J315
Rear vertical
Seat circuit breaker 3 20a
Tan

Heated Seats Wiring Diagram for Pontiac G8 2008

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List of elements for Heated Seats Wiring Diagram for Pontiac G8 2008:

(behind left kick panel) g305
(behind right kick panel) g304
(in heated driver's seat harness) j331
Anti-lock brakes system
Batt pos
Body control module (bcm) (under left side of dash, right of steering column)
Center console multi-function switch
Driver back heated seat element (under driver's seat)
Driver cushion heated seat element
Driver heated seat control module
Drv hi/lo sig
G201 (behind right kick panel)
G304 (behind right kick panel)
G305 (behind left kick panel)
Ground
Hi temp ind ctrl
Hot at all times
Hot w/ ign relay 14 energized
Htd seat/ onstar ign fuse 38 10a
Htd/ seat lt fuse 19 15a
Htd/ seat rt fuse 20 15a
Ign
Instrument panel fuse block (behind left kick panel)
Interior lights system
Intermediate sig
J222
J237
J322
J323
J332 (in heated passenger's seat harness)
Lo temp ind ctrl
Passenger back heated seat element
Passenger cushion heated seat element
Passenger heated seat control module (under front passenger's seat)
Pnk
Sens sig
Underhood fuse block (mounted to right front strut tower)

Passenger Power Seat Wiring Diagram for Pontiac G8 2008

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List of elements for Passenger Power Seat Wiring Diagram for Pontiac G8 2008:

Bwd
Down
Front vertical
Fwd
G305 (behind left kick panel)
Horizontal
Hot at all times
Instrument panel fuse block (behind left kick panel)
J315
Passenger seat adjuster switch
Passenger seat front vertical motor
Passenger seat horizontal motor (6-way passenger power seat adjuster)
Passenger seat rear vertical motor
Rear vertical
Seat circuit breaker 3 20a
Tan

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagram for Pontiac G8 2008

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List of elements for Power Top/Sunroof Wiring Diagram for Pontiac G8 2008:

G201 (behind right kick panel)
Gnd
Hot at all times
Hot w/ accy relay energized
Ign 1
Instrument panel fuse block (behind left kick panel)
J219
J325
Logic
S/roof atsl fuse 16 10a
S/roof fuse 17 20a
Sun roof sw 1
Sun roof sw 2
Sun roof sw 3
Sun roof sw 4
Sunroof control module (center front of roof)
Sunroof motor
Sunroof switch

POWER WINDOWS

Power Windows Wiring Diagram for Pontiac G8 2008

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List of elements for Power Windows Wiring Diagram for Pontiac G8 2008:

(behind left kick panel) g305
(behind right kick panel) g304
(in body harness) j309
Door lock/ window switch
Driver window motor (in driver front door)
Front passenger window motor (in passenger front door)
Ground
Hot w/ rap relay energized
J229
J305 (in body harness)
Left rear window motor (in left rear passenger door)
Left rear window switch
Lock out
Mtr lh frt up ctrl
Mtr rh frt down ctrl
Mtr rh frt up ctrl
Rap sply vol
Right rear window motor (in right rear passenger door)
Right rear window switch
Sw lh frt up sig
Sw rh frt down ctrl
Sw rh frt down sig
Sw rh frt up sig
Underhood fuse block (mounted to right front strut tower)
Window control module
Wndw cntrl fuse 24 2a
Wndw mtr circuit breaker b2 20a

RADIO

Radio Wiring Diagram, Except UWP for Pontiac G8 2008

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List of elements for Radio Wiring Diagram, Except UWP for Pontiac G8 2008:

(behind right center of dash) g303
(in instrument panel harness) j203
(in instrument panel harness) j225
(info not available)
(not used)
Aud sig mute
Audio sig (-)
Batt pos vol
Center i/p speaker
Coax
Computer data lines system
Dic sw low ref
Digital radio receiver (s-band)
Down
G310 (top of steering column)
Gmlan serial data
Ground
Hot at all times
Inflatable restraint steering wheel module coil
Instrument panel cluster (ipc)
J204 (in instrument panel harness)
J209
J211
J224 (in instrument panel harness)
J302
Left front speaker
Left front tweeter speaker
Left rear speaker
Lf spkr out (+)
Lf spkr out (-)
Lh radio aud out
Lh steering wheel 1
Lh steering wheel 2
Lr spkr out (+)
Lr spkr out (-)
Mute
Navigation system
Nca
Radio
Radio antenna
Radio fuse 4 15a
Rear fuse block (left side of rear compt)
Remote radio out (-)
Remote radio rh aud
Remote radio sig
Rf spkr out (+)
Rf spkr out (-)
Rh radio aud out
Rh steering wheel 1
Rh steering wheel 2
Right front speaker
Right front tweeter speaker
Right rear speaker
Rr spkr out (+)
Rr spkr out (-)
Srce
Steering wheel control switch
Steering wheel ctrl
Telephone aud sig (+)
Trip/ fuel
Voice
Xm fuse 3 10a

Radio Wiring Diagram, UWP for Pontiac G8 2008

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List of elements for Radio Wiring Diagram, UWP for Pontiac G8 2008:

(behind right center of dash) g303
(in body harness) j313
(info not available)
(not used)
(top of steering column) g310
Amp fuse 2 30a
Aud sig mute
Audio amplifier (left side of rear compartment)
Audio sig (-)
Batt pos vol
Center i/p speaker
Coax
Computer data lines system
Dic sw low ref
Digital radio receiver (s-band)
Down
Frt spkr out (+)
Frt spkr out (-)
G305 (behind left kick panel)
Gmlan serial data
Ground
Hot at all times
Inflatable restraint steering wheel module coil
Instrument panel cluster (ipc)
J209
J211
J302
J312 (in body harness)
J402
J404 (in body harness)
J405
Left front speaker
Left front tweeter speaker
Left rear speaker
Left subwoofer speaker
Lf spkr out (+)
Lf spkr out (-)
Lh radio aud out
Lh steering wheel 1
Lh steering wheel 2
Lh subwoofer out (+)
Lh subwoofer out (-)
Lr spkr out (+)
Lr spkr out (-)
Mute
Navigation system
Nca
Radio
Radio antenna
Radio fuse 4 15a
Rear fuse block (left side of rear compt)
Remote radio out (-)
Remote radio rh aud
Remote radio sig
Rf spkr out (+)
Rf spkr out (-)
Rh radio aud out
Rh steering wheel 1
Rh steering wheel 2
Rh subwoofer out (+)
Rh subwoofer out (-)
Right front speaker
Right front tweeter speaker
Right rear speaker
Right subwoofer speaker
Rr spkr out (+)
Rr spkr out (-)
Srce
Steering wheel control switch
Steering wheel ctrl
Telephone aud sig (+)
Trip/ fuel
Voice
Xm fuse 10a

SHIFT INTERLOCK

Shift Interlock Wiring Diagram for Pontiac G8 2008

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List of elements for Shift Interlock Wiring Diagram for Pontiac G8 2008:

A/t shift lock sol
Automatic transmission shift lever
Automatic transmission shift lock control solenoid
Battery
Body control module (bcm) (under left side of dash, right of steering column)
Brake pedal position sensor (top of brake pedal assembly)
Computer data lines system
G201 (behind right kick panel)
High speed data bus+
High speed data bus-
Hot at all times
Instrument panel fuse block (behind left kick panel)
Int lamps fuse 11 15a

STARTING/CHARGING

Charging Wiring Diagram for Pontiac G8 2008

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List of elements for Charging Wiring Diagram for Pontiac G8 2008:

(in rear compt, on latch plate) g409
175a
3.6l
5v ref
6.0l
Batt pos vol
Battery
Battery cable
Battery current sensor (left side of rear compt)
Body control module (bcm) (under left side of dash, right of steering column)
Charge ind
Computer data lines system
Current sig
Cycle sig
Driver information center (dic)
Engine battery cable junction block
Engine control module (ecm) (right side of engine compt)
Fuse block
G201 (behind right kick panel)
G202 (behind left kick panel)
G401 (rear compt, on left rear beam)
Generator
Generator inline fuse
Gnd
Hot at all times
Hs bus +
Hs bus -
I/p battery cable junction block
Inst/disp/ rfa/dlc fuse 5 10a
Instrument panel cluster (ipc)
J221
J412
Lo ref
Lo spd gmlan
Logic
Pnk
Rear fuse block (left side of rear compt)
Red
Rvc snsr fuse 11 7.5a
Starting circuit
Turn on sig

Starting Wiring Diagram for Pontiac G8 2008

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List of elements for Starting Wiring Diagram for Pontiac G8 2008:

175a
3.6l
5 speed a/t
6 speed 5 speed
6 speed a/t
6.0l
Acc
Automatic transmission (right rear of transmission)
Automatic transmission internal mode switch (ims)
Battery
Battery cable
Body control module (bcm) (under left side of dash, right of steering column)
Computer data lines system
Control solenoid valve assembly
Crank relay 12
Engine battery cable junction block
Engine control module (ecm) (right side of engine compt)
Fuse block
G102 (left rear of engine compt)
G106 (right front of engine block)
G401 (rear compt, on left rear beam)
Generator
Generator inline fuse
Hs bus+
Hs bus-
I/p battery cable junction block
Ignition switch
Internal mode switch
J122
J127
Lock
P/n
P/n sig
Red
Resistor lo ref
Resistor sig
Run
Start
Starter motor
Str rly ctrl
Strtr fuse fu8 40a
Underhood fuse block (mounted to right front strut tower)

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram (1 of 3) for Pontiac G8 2008

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List of elements for Supplemental Restraints Wiring Diagram (1 of 3) for Pontiac G8 2008:

(in left "c" pillar) left inflatable restraint roof rail module
(in right "b" pillar) right inflatable restraint side impact module
(in right "c" pillar) right inflatable restraint roof rail module
(under center console)
Air bag fuse 10a
Air bag fuse f10 10a
Battery positive volt
Computer data lines system
Driver inflatable restraint seat position sensor
Driver seat belt switch
G308
G308 (under center console)
Ground
High ctrl
Hot at all times
Hot w/ ign relay energized
I/p fuse block (behind left kick panel)
Ignition 1 voltage
Inflatable restraint sensing & diagnostic module (sdm)
J300 (in body harness)
J301 (in body harness)
J314
L high ctrl
L low ctrl
L low reference
L seat belt sw
L signal
L signal sensor
Left inflatable restraint side impact (sis) sensor (base of left "b" pillar)
Lf high ctrl
Lf low ctrl
Low ctrl
Low reference
Low reference sensor
Passenger inflatable restraint seat position sensor
Passenger seat belt switch
Pin shorting bars engaged
Pnk
Pnk b
Position sensor
Position sensor rtn
R high ctrl
R low ctrl
R low reference
R seat belt sw
R signal
R signal sensor
Rf high ctrl
Rf low ctrl
Right inflatable restraint front end sensor (right front of engine compartment)
Right inflatable restraint side impact (sis) sensor (base of right "b" pillar)
Serial data
Shorting bar
Signal
Stage 1 high ctrl
Stage 1 low ctrl
Stage 2 high ctrl
Stage 2 low ctrl
Underhood fuse block (mounted to right front strut tower)
When module connector is disconnected from harness: (shorting bars are connected between following connector & pins: x2: 1-2 & 3-4)
X2 a