POWER DISTRIBUTION – Hummer H2 2003 – SYSTEM WIRING DIAGRAMS

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 6) for Hummer H2 2003

List of elements for Power Distribution Wiring Diagram (1 of 6) for Hummer H2 2003:

54

• (not used)
• 4ws fuse 15a
• A c7
• A12
• Abs fuse 60a
• Audio amplifier
• B c9
• B11 c1
• B12 c1
• Battery
• Battery cable junction block
• Body control module
• Cig ltr fuse 15a
• Cigar lighter
• D12 c1
• Data link connector
• E10
• Ecas relay
• Electronic brake control module
• Evap vent solenoid
• F2 c1
• Fusible link (8-ga red)
• G203 (near right kick panel)
• Generator
• I/p relay block (near left kick panel)
• Ign a fuse 40a
• Ign b fuse 40a
• Off-road lamps relay 1
• Off-road lamps relay 2
• Off-road lamps switch
• Radio
• Radio amp fuse 30a
• Radio fuse 15a
• Rear seat audio (rsa) controller
• Rear window wiper module
• Red
• Rr wiper fuse 25a
• S209
• S215
• Starter
• Starter relay
• Stud 1 fuse 40a
• Stud 2 fuse 30a
• Sunroof fuse 25a
• Sunroof relay
• Tbc batt fuse 10a
• To ignition switch (diagram 5 of 6)
• To ignition switch (diagram 6 of 6)
• To ipc/dic fuse (diagram 2 of 6)
• Trailer connector
• Underhood fuse block (left side of engine compt, near battery)
• Vses/ ecas fuse 60a
• W/ off-road lamps
• W/o off-road lamps

Power Distribution Wiring Diagram (2 of 6) for Hummer H2 2003

List of elements for Power Distribution Wiring Diagram (2 of 6) for Hummer H2 2003:

41

• Air suspension module
• Aux pwr 1 fuse 20a
• B c3
• B c5
• B11
• Blower fuse 40a
• Blower motor
• C1 f12
• C10
• Console auxiliary power outlet
• D c4
• Defog relay
• E11 c1
• Electronic brake control module (ebcm)
• F/pmp relay
• From sunroof fuse (diagram 1 of 6)
• G203 (near right kick panel)
• Garage door opener
• Hvac control module
• Hvac/ecas fuse 10a
• I/p junction block (lower right side of dash)
• I/p relay block (near left kick panel)
• Info fuse 15a
• Instrument panel cluster
• Ipc/dic fuse 10a
• Left rear heated seat module
• Pcm b fuse 20a
• Powertrain control module
• Red
• Right rear heated seat module
• Rr defog fuse 30a
• S215
• Seo b1 fuse 15a
• Seo b2 fuse 30a
• Stop lp fuse 25a
• Stoplamp switch
• To lbec 1 fuse (diagram 3 of 6)
• Transfer case shift control module
• Trec fuse 30a
• Underhood fuse block (left side of engine compt, near battery)
• Vehicle communication interface module

Power Distribution Wiring Diagram (3 of 6) for Hummer H2 2003

List of elements for Power Distribution Wiring Diagram (3 of 6) for Hummer H2 2003:

81

• (left side of engine compt, near battery) underhood fuse block
• (lower left side of dash)
• (near left kick panel) i/p relay block
• A c5
• A c6
• A/c comp fuse 10a
• A/c comp relay
• A10
• A12
• A7 c1
• Aux pwr 2 fuse 20a
• B c7
• B10
• B12
• B7 c2
• Body control module
• C c3
• C9 c1
• Console accessory power outlet
• Ddm fuse 15a
• Driver door module
• Driver memory seat module
• Drl fuse 10a
• Drl relay
• E c10
• E c7
• E10
• E11 c1
• E12
• Electronic brake control module (ebcm)
• Etc/ecm fuse 15a
• Evaporative emissions (evap) canister purge solenoid
• F c3
• Flash fuse 25a
• From mbec 1 fuse (diagram 3 of 6)
• From pcm b fuse (diagram 2 of 6)
• Front passenger door module
• Front passenger lumbar bolster switch
• Front passenger seat adjuster switch
• G104 (top left rear of engine)
• G203 (near right kick panel)
• G410 (on right rear inner side body panel)
• Hdlp-hi relay
• Hdlp-low relay
• Horn relay
• I/p fuse block
• I/p junction block
• Ign 1 relay
• Intake air temperature (iat)/mass airflow (maf) sensor assembly
• Lbec 1 fuse 50a
• Lbec 2 fuse 50a
• Left rear window switch
• Lock relay
• Locks fuse 20a
• Lt doors circuit breaker 25a
• M c4
• Mbec 1 fuse 50a
• Park lp relay
• Pcm 1 fuse 15a
• Pdm fuse 15a
• Pnk
• Powertrain control module
• Rear accessory power outlet
• Red
• Right rear window switch
• Rt door circuit breaker 25a
• S102
• S215
• Seat circuit breaker 30a
• Splice pack 410 (middle of right rear "d" pillar)
• Tbc 2a fuse 15a
• Tbc 2b fuse 15a
• Tbc 2c fuse 15a
• Throttle actuator control module
• To ign 1 relay (diagram 3 of 6)
• To inj 1 fuse (diagram 4 of 6)
• To seo ign fuse (diagram 6 of 6)
• Turn signal/ hazard flasher module
• Unlock relay
• W/s wash fuse 15a
• W/s wash relay

Power Distribution Wiring Diagram (4 of 6) for Hummer H2 2003

List of elements for Power Distribution Wiring Diagram (4 of 6) for Hummer H2 2003:

26

• (left side of engine, compt, near battery) underhood fuse block
• C10
• D10
• E10
• From pcm 1 fuse (diagram 3 of 6)
• Fuel injector 1
• Fuel injector 2
• Fuel injector 3
• Fuel injector 4
• Fuel injector 5
• Fuel injector 6
• Fuel injector 7
• Fuel injector 8
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Ignition coil 5
• Ignition coil 6
• Ignition coil 7
• Ignition coil 8
• Inj 1 fuse 15a
• Inj 2 fuse 15a
• Pnk
• S140 (in engine coil harn)
• S160 (in engine coil harn)

Power Distribution Wiring Diagram (5 of 6) for Hummer H2 2003

List of elements for Power Distribution Wiring Diagram (5 of 6) for Hummer H2 2003:

47

• (lower left side of dash) i/p fuse block
• (not used)
• 4wd fuse 15a
• Acc
• Air suspension module
• Automatic transmission
• Body control module
• Brake fuse 10a
• C1 e8
• C175
• C4 c
• Crank fuse 10a
• Cruise fuse 10a
• E11
• F10
• Floor shift assembly
• From ign a fuse (diagram 1 of 6)
• Hvac 1 fuse 10a
• Hvac control module
• I/p junction block (lower right side of dash)
• I/p relay block (near left kick panel)
• Ign 0 fuse 10a
• Ign 3 fuse 10a
• Ignition switch
• Inside rear view mirror
• Left air temperature actuator
• Left rear heated seat module
• Lock
• Mode actuator
• Nca
• Off
• Pnk
• Pnk pnk
• Powertrain control module
• Recirculation actuator
• Red
• Ride height switch
• Right air temperature actuator
• Right rear heated seat module
• Run
• S216 (in i/p harn, 2.5 cm from junction of air temperature sensor)
• Start
• Stoplamp switch
• Tbc ign 0 fuse 10a
• Transfer case shift control switch
• Turn signal/ multifunction switch
• Underhood fuse block (left side of engine compt, near battery)

Power Distribution Wiring Diagram (6 of 6) for Hummer H2 2003

List of elements for Power Distribution Wiring Diagram (6 of 6) for Hummer H2 2003:

46

• (left side of engine compt, near battery) underhood fuse block
• A/c comp relay
• Acc
• B/u lp fuse 20a
• Body control module
• C1 b2
• C8 d (not used)
• D10
• Defog relay
• F11
• F8 c2
• From ign 1 relay (diagram 3 of 6)
• From ign b fuse (diagram 1 of 6)
• Heated oxygen sensor bank 1 sensor 1
• Heated oxygen sensor bank 1 sensor 2
• Heated oxygen sensor bank 2 sensor 1
• Heated oxygen sensor bank 2 sensor 2
• I/p fuse block (lower left side of dash)
• I/p relay block (left of steering column)
• I/p relay block (near left kick panel)
• Ign e fuse 10a
• Ignition switch
• Inflatable restraint i/p module disable switch
• Inflatable restraint sensing & diagnostic module
• Instrument panel cluster
• Lock
• Nca
• O2a fuse 15a
• O2b fuse 15a
• Off
• Park/neutral position switch
• Pnk
• Rear window wiper/ washer switch
• Red
• Rr wpr fuse 15a
• Run
• Seo accy fuse 10a
• Seo ign fuse 10a
• Sir fuse 15a
• Start
• Tbc accy fuse 10a
• Tbc ign 1 fuse 10a
• Traction control switch
• Turn signal/ multifunction switch
• Windshield wiper motor & module
• Ws wpr fuse 25a