GROUND DISTRIBUTION – Hummer H2 2003 – SYSTEM WIRING DIAGRAMS

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 5) for Hummer H2 2003

List of elements for Ground Distribution Wiring Diagram (1 of 5) for Hummer H2 2003:

• (woven strap)
• A/c compressor clutch
• A/c low pressure switch
• Battery (left)
• Brake fluid level switch
• C2 d
• Coolant level switch
• Engine oil level switch
• F/pmp relay
• G100 (on left front frame body mount)
• G102 (at left front side of engine block)
• G103 (at top right rear of engine)
• G104 (top left rear of engine)
• G106 (right rear of engine compt)
• Grille gaurd off-road lamp
• High horn
• If equipped
• 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
• Intake air temperature (iat)/mass airflow (maf) sensor
• Left daytime running lamp (drl)
• Left front park/turn signal lamp
• Left headlamp
• Low horn
• Nca
• Park/ neutral position switch
• Powertrain control module
• Right daytime running lamp (drl)
• Right front park/turn signal lamp
• Right headlamp
• S102 (in engine harn, 4 cm from knock sensor connector)
• S103 (in engine harn, 10 cm from junction of fuel inj 3 harn to engine harn)
• S104 (in engine harn, 30 cm from junction of fuel inj 3 harn to engine harn)
• S106
• Throttle actuator control (tac)
• Underhood fuse block (left side of engine compt, near battery)
• Windshield washer fluid level sensor

Ground Distribution Wiring Diagram (2 of 5) for Hummer H2 2003

List of elements for Ground Distribution Wiring Diagram (2 of 5) for Hummer H2 2003:

• C3 a
• Driver memory seat module
• Electronic brake control module (ebcm)
• Front passenger lumbar/ seat bolster switch
• Front passenger seat adjuster switch
• Fuel pump
• G300 (on left side body mount in front of driver door)
• G302 (at left inner center "b" pillar)
• G304 (under passenger seat)
• G306 (at right inner center "b" pillar)
• G308 (at right frame body mount, near right rear door)
• G310 (at left frame body mount, near left rear door)
• Inflatable restraint sensing & diagnostic module
• Left "b" pillar courtesy lamp
• Left rear door ajar switch
• Left rear door courtesy lamp
• Left rear heated seat control module
• Left rear heated seat element
• Left rear window switch
• Nca
• Rear door lock switch
• Right "b" pillar courtesy lamp
• Right rear door ajar switch
• Right rear door courtesy lamp
• Right rear heated seat control module
• Right rear heated seat element
• Right rear window switch
• S306 (in left rear seat harn)
• S310 (in body harn, 8.5 cm from right "b" pillar courtesy lamp harn junction to body harn)
• S381 (in passenger seat harn, 16 cm from lumbar bolster switch)
• S390 (in body harn, 18.5 cm from junction of sir module)
• S393 (in right seat harn, 34 cm from heated seat module)
• S720 (in right rear door harn, 12 cm from junction of speaker connector harn to door harn)
• S820 (in leftt rear door harn, 11.5 cm from junction of courtesy lamp connector harn to door harn)
• Transfer case shift control motor
• W/ front & rear heated seats

Ground Distribution Wiring Diagram (3 of 5) for Hummer H2 2003

List of elements for Ground Distribution Wiring Diagram (3 of 5) for Hummer H2 2003:

• (w/o sunroof) inside rearview mirror
• A/t shift lever position indicator lamp
• A/t shift lock solenoid
• A12
• Blower motor
• C1 4c
• C1 b9
• C1 d9
• C1 f6
• C2 f
• C3 c
• C3 d
• C7 f
• Cigar lighter
• Console accessory power outlet
• Data link connector
• Door lock relay
• Door unlock relay
• Driver door module
• Electric park lock solenoid
• Floor shift assembly
• Front passenger door module
• G203 (at lower right side of dash, near right kick panel)
• Garage door opener
• Headlamp switch
• Hvac control module
• I/p compartment lamp
• I/p fuse block (lower left side side of dash)
• I/p junction block (lower right side of dash)
• I/p relay block (near left kick panel)
• Inflatable restraint i/p module disable switch
• Inside air temperature sensor assembly
• Inside rear view mirror (isrvm)
• Instrument panel cluster
• Left accessory power outlet
• Left footwell courtesy lamp
• Left front clearance lamp
• Left front courtesy/ reading lamp
• Left rear heated seat switch
• Left vanity mirror lamp
• Nca
• Off-road lamps relay 1
• Off-road lamps relay 2
• Off-road lamps switch
• Ride height switch
• Right accessory power outlet
• Right footwell courtesy lamp
• Right front clearance lamp
• Right front courtesy/ reading lamp
• Right rear heated seat switch
• Right vanity mirror lamp
• Roof marker lamp
• Roof off-road lamps
• S208
• S302 (in headliner harn, near middle of left "a" pillar)
• S303 (in roof marker harn, 22 cm from right front marker lamp connector)
• S315
• S351 (in console harn, 28.5 cm from junction of body harn in-line c355 to floor console harn)
• Second row dome/ reading lamp
• Sunroof assembly
• Sunroof relay
• Sunroof switch
• Third row dome/ reading lamp
• Tow/ haul switch
• Transfer case shift control switch
• W/ off-road lamps
• W/ sunroof only
• W/o off-road lamps
• Windshield wiper motor

Ground Distribution Wiring Diagram (4 of 5) for Hummer H2 2003

List of elements for Ground Distribution Wiring Diagram (4 of 5) for Hummer H2 2003:

• A12
• Audio amplifier
• B12
• Body control module
• C1 a8
• C1 f8
• C2 a
• C2 b6
• C3 b6
• Data link connector
• Driver information center (dic) switch
• G200 (on left side of dash, near left kick panel)
• Headlamp & panel dimmer switch
• Hvac control module
• I/p relay block (near left kick panel)
• Ignition key alarm switch
• Ignition key lock solenoid
• Inflatable restraint steering wheel module coil
• Instrument panel cluster
• Nca
• Onstar module
• Radio
• Rear seat audio (rsa) control
• Rear wiper/ washer switch
• S217
• S218 (in steering column harn)
• S219 (in steering column harn) tan
• Tan
• Traction control switch
• Turn signal hazard flasher module
• Turn signal/ multifunction switch

Ground Distribution Wiring Diagram (5 of 5) for Hummer H2 2003

List of elements for Ground Distribution Wiring Diagram (5 of 5) for Hummer H2 2003:

• (not used)
• Air suspension compressor
• Air suspension module
• Center high mounted stop lamp (chmsl)
• E c1
• G401 (at left rear frame body mount)
• G402 (at right rear frame body mount)
• G402 (attached to front of air suspension mounting bracket)
• G410 (on right rear inner side body panel)
• Left backup lamp
• Left license lamp
• Left liftgate ajar switch
• Left rear clearance lamp
• Left rear turn signal lamp
• Left tail/stop lamp
• Nca
• Rear accessory power outlet
• Rear junction block (on underside of rear body, near center of rear bumper)
• Rear window defroster grid
• Rear window wiper motor
• Right backup lamp
• Right license lamp
• Right liftgate ajar switch
• Right rear clearance lamp
• Right rear turn signal lamp
• Right tail/stop lamp
• Roof marker lamp
• Splice pack sp410 (middle of right rear "d" pillar)
• Trailer connector