HUMMER H2 (2004) – fuse box diagram
Year of production: 2004
Instrument panel fuse block
Theaccess door to the fuse block is located on the side edge ofthe
on the driver’s side.
Fuses | Using |
RR Wiper | Rear window wiper switch |
SEO ACCY | Optional special equipment accessories |
WS WPR | Wipers |
TBC ACCY | Accessory for body controller |
IGN 3 | Heated rear seat module |
4WD | Four-wheel drive switch, air suspension switch / module |
HTR A / C | Not used |
LOCK | Power door lock relay (locking function) |
HVAC 1 | Interior rear view mirror, air conditioning system |
L DOORS | Driver’s door wiring harness connection |
REJS | Cruise control |
UNLOCK | Power door lock relay (unlock function) |
RR FOG LP | Not used |
BRAKE | Brake switch |
DRIVER UNLOCKING | Power door lock relay (driver door unlock function) |
IGN 0 | Transmission shift lock, power unit control module, transmission |
TBC IGN 0 | Body controller |
VEH CHMSL | High-mounted vehicle and trailer stop light |
LT TRLR ST / TRN | Left turn signal / Stop Trailer |
LT TRN | Left turn signals and warning signs |
VEH STOP | Vehicle stop lights, brake module, electronic throttle control module |
RT TRLR ST / TRN | Right turn signal / Stop Trailer |
RT TRN | Right turn signals and warning signs |
BODY | Wiring harness connector |
DDM | Driver’s door module |
LOCKS | Power supply for rear door relay and power lock for liftgate |
ECC | Liftgate |
TBC 2C | Body controller |
FLASHER LAMP | Flasher module |
CB LT DOORS | Switch on the left side of the rear window lifter and driver’s door module |
TBC 2B | Body controller |
TBC 2A | Body controller |
Circuit breaker | Use |
AUX PWR 2 | DrivMidgate Controller (SUT only) er Door harness connection |
Center instrument panel fuse block
The center instrument panel fuse block is located under the instrument panel, to the left of the steering column.
Device | Application |
SEO | Special equipment option |
FILE IMAGE | Trailer brake wiring, off-road light wiring harness connector |
UPFIT | Upfitter (not used) |
SL RIDE | Ride control (not used) |
HDLR 2 | Headliner wiring connector 2 |
BODY | Body wiring connector |
DEFOG | Rear defogger relay |
HDLNR 1 | Headliner wiring connector 1 |
REPLACEMENT RELAY | Unused |
CB SEAT | Driver and passenger seat module switch |
CB RT DOORS | Power operated right rear window, passenger door module |
REPLACEMENT | Not used |
INFO | Unused |
Fuse block under the hood
The fuseblock in the engine compartment is located on the driver’s side of the vehicle near the battery.
Fuses | Application |
GLOW PLUG | Not used |
FEEDBACK FEEDBACK | Gasoline accessory power |
STUD # 1 | Accessory / trailer power wiring |
MBEC 1 | Electric power supply for middle bus, front seats, right door |
DMUCHER | Front air conditioning fan |
LBEC 2 | Left side electrical center, door modules, door locks, auxiliary power outlet – rear cargo area and instrument panel |
STUD # 2 * | Accessory power supply / trailer wiring Brake power supply |
ABS | Anti-lock brakes |
VSES / ECAS | Electronically controlled air suspension |
IGN A. | Ignition |
IGN B. | Ignition |
LBEC 1 | Left side electrical center, left door, body controller, blinker module |
TRL PARK | Parking lamps Trailer electrical system |
RR PARK | Rear side parking lamps and passenger side lamps |
LR PARK | Rear parking lights and driver side markers |
PARK LP | Parking light relay |
STRTRER | Starter relay |
INTPARK | Roof marker lamps |
STOP LP | Stop lamps |
TBC BATT | Body controller battery power supply |
SEO B2 | Off-road lamps |
4WS | Vent solenoid canister |
RR HVAC | Unused |
AUX PWR | Auxiliary power socket – console |
IGN 1 | PCM ignition |
PCM 1 | Powertrain control module |
ETC / ECM | Electronic throttle control, electronic brake controller |
INJ 1 | Ignition coil, fuel injectors – unit 1 |
INJ 2 | Ignition coil, fuel injector unit – unit 2 |
IGN E. | Instrument cluster, air conditioning relay, turn signal / hazard light switch, starter relay, electronic brake controller TC2 mode switch |
RTD | Battery supply for the electronic brake controller |
TRL B / U | Spare lamps Trailer wires |
PCM B | Powertrain control module, fuel pump |
F / PMP | Fuel pump (relay) |
02A | Oxygen sensors |
B / U LP | Reversing lights, automatic transmission lock control system |
RR DEFOG | Rear window defogger |
HDLP-HI | High beam relay |
MAINTAIN | Not used |
O2B | Oxygen sensors |
PAN | Additional inflatable restraint system |
FRT PARK | Front parking lights, Sidemarker lamps |
DRL | Daytime running lights (relay) |
SEO IGN | Rear defogger relay |
TBC IGN1 | Body controller ignition |
HI HDLP-LT | High beam headlamp on the left side |
LH HID | Not used |
DRL | Daytime running lamps |
IPC / DIC | Instrument cluster / driver information center |
HVAC / ECAS | Air conditioning controller / electronically controlled air suspension |
CIG LTR | Lighter |
HI HDLP-RT | High beam headlamp on the right side |
HDLP-LOW | Dipped beam relay |
A / C COMP | A/C compressor relay |
A / C COMP | A/C compressor |
RR CAP | Rear windshield wiper / washer |
RADIO | Sound system |
SEO B1 | Medium-duty electric center, universal home remote control system, rear heated seats |
LO HDLP-LT | Headlight Left dipped beam headlight |
BTSI | Transmission shift lock system |
CRNK | Starting system |
LO HDLP-RT | Headlight Dipped beam on the right side |
FOG LP | Not used |
FOG LP | Unused |
HORN | Horn relay |
W / S WASH | Windshield washer and rear window washer pump relay |
W / S WASH | Windshield and rear window washer pump |
INFO | OnStar® |
AMP RADIO | Radio amplifier |
RH HID | Unused |
HORN | Horn |
EAP | Unused |
TREC | All-wheel drive module |
SBA | Unused |