GROUND DISTRIBUTION – Hummer H3 2008 – SYSTEM WIRING DIAGRAMS

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 3) for Hummer H3 2008

List of elements for Ground Distribution Wiring Diagram (1 of 3) for Hummer H3 2008:

• 3.7l only, 5.7l information not available
• 87a
• A/c clutch diode
• A/c compressor clutch
• A/t
• Battery
• Brake fluid level switch
• Electronic brake control module (ebcm)
• Engine control module (ecm)
• Fog/lp relay 69
• Fuel/pump relay 66
• G100 (in engine compt, mounted to left front inner fender, behind battery)
• G102 (on lower left side of engine block, rearward of g103)
• G103 (on lower left side of engine block, forward of g102)
• G104 (left side of engine block, in front of starter)
• G105 (on left inner front wheelwell, behind battery)
• G110 (left side of engine block, forward of g103)
• G120 (on left lower inner wheelwell, near engine mount)
• Generator battery control module
• Hi/lo beam relay 70
• Hi/low wpr relay 73
• Horn assembly
• If equipped
• Ignition coil/ module 1
• Ignition coil/ module 2
• Ignition coil/ module 3
• Ignition coil/ module 4
• Ignition coil/ module 5
• J110 (in body harness near ebcm, approximately 7.5 cm (3 in) back from ebcm)
• J185 (in forward lamp harness, approximately 25 cm (9.8 in) from x115)
• Left front fog lamp
• Left front marker lamp
• Left park/turn signal lamp
• Mass air flow (maf)/ intake air temperature (iat) sensor
• Nca
• On/off wpr relay 72
• Park/ neutral position (pnp) switch
• Right front fog lamp
• Right front marker lamp
• Right park/turn signal lamp
• Rr defog relay 71
• Run/ crank relay 78
• Secondary air injection (air) pump
• Secondary air injection (air) pump solenoid
• Sunroof motor
• Sunroof switch
• Transmission control module (tcm)
• Underhood fuse block (above left front wheel- well)
• Underhood fuse block (above left front wheelwell)
• W/ electric air injection reactor
• Wind- shield wiper motor

Ground Distribution Wiring Diagram (2 of 3) for Hummer H3 2008

List of elements for Ground Distribution Wiring Diagram (2 of 3) for Hummer H3 2008:

• Automatic transmission shift lever
• Center high mounted stop lamp (chmsl)
• Driver back heated seat element
• Driver door lock/ window switch
• Driver seat adjuster switch
• Driver seat lumbar adjuster switch
• Fuel pump & sender assembly
• G340 (behind right rear quarter trim, near wheelwell)
• G345 (convenience package decor level 3) (behind left rear quarter trim, near wheelwell)
• G350 (behind left rear quarter trim, near wheelwell)
• G420 (mounted to left side of rear cross member, near x420)
• J306 (in driver seat harness in breakout to lumbar adjuster/heater switch)
• J314 (in body harness, approximately 44.5 cm (17.5 in) rearward of breakout to left seat belt pretensioner)
• J316 (in passenger seat harness, approximately 5 cm (2 in) before breakout to seat adjuster & lumbar adjuster/heater switches)
• J317 (in passenger seat heater element jumper harness)
• J318 (in passenger seat heater element jumper harness)
• J514 (in driver door harness, approximately 6.5 cm (2.6 in) before breakouts to door lock & window switch)
• J900 (in endgate harness, approximately 19.5 cm (7.7 in) rearward of endgate grommet)
• Left back-up lamp
• Left rear window switch
• Left tail/ stop & turn signal lamp
• License lamp
• Nca
• Outside rearview mirror switch
• Passenger back heated seat element
• Passenger cushion heated seat element
• Passenger door lock/ window switch
• Passenger heated seat control module
• Passenger seat adjuster switch
• Passenger seat lumbar adjuster switch
• Rear accessory power outlet
• Rear window defogger
• Rear window wiper motor
• Right back-up lamp
• Right rear window switch
• Right tail/ stop & turn signal lamp
• Trailer connector
• W/ hd truck trailer wiring
• W/o hd truck trailer wiring

Ground Distribution Wiring Diagram (3 of 3) for Hummer H3 2008

List of elements for Ground Distribution Wiring Diagram (3 of 3) for Hummer H3 2008:

• (if equipped) inflatable restraint vehicle rollover sensor
• (if equipped) rear view camera image display module
• A12
• Accessory switch
• Audio amplifier
• B10
• Body control module (bcm)
• Breakout to left footwell lamp)
• Convenience package decor level 3
• Data link connector (dlc)
• Digital radio receiver
• Dome/ reading lamps
• Driver door jamb switch
• Driver seat belt switch
• Except convenience package decor level 3
• G106 (on right inner front wheelwell)
• G300 (under driver seat carpet, on floor board)
• G310 (mounted under left side of passenger seat)
• G320 (under rear of middle console carpet, on floor board)
• Garage door opener (gdo)
• Hazard switch
• Headlamp dimmer switch
• High speed blower motor relay
• Hvac control module
• I/p accessory power outlet 1
• I/p accessory power outlet 2
• Ignition lock cylinder control actuator
• Inflatable restraint front passenger presence system (pps) module
• Inflatable restraint sensing & diagnostic module (sdm)
• Inside rearview mirror
• Instrument panel cluster (ipc)
• J206 (in i/p harness, approximately 7 cm (2.8 in) right of breakout to right footwell lamp)
• J300 (in body harness, approximately 20 cm (7.9 in) forward of left rocker channel cover)
• J320 (in body harness rear seat area along sill, approximately 20 cm (7.9 in) rearward of breakout to g320)
• J340 (in dome lamp jumper harness, approximately 10 cm (3.9 in) before breakout to right sunshade)
• Left rear door jamb switch
• Left sunshade
• Liftgate ajar switch
• Passenger door jamb switch
• Passenger seat belt switch
• Pnk
• Radio
• Rear window wiper/washer switch
• Right rear door jamb switch
• Right sunshade
• Steering wheel position sensor
• Theft deterrent module (tdm)
• Transfer case shift control module
• Turn signal/ multifunction switch
• Vehicle communication interface module (vcim)
• W/ active brake control
• Windshield washer fluid pump
• Yaw & lateral accelerometer sensor