Hummer H2 (2002-2007) fuses and relays


In this article, we consider the Hummer H2 before a facelift, produced from 2002 to 2007. Here you will find fuse box diagrams of Hummer H2 2002, 2003, 2004, 2005, 2006 and 2007, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.

See other Hummer H2:

Fuse Layout Hummer H2 2002-2007


Hummer H2 (2002-2007)

Cigar lighter (power outlet) fuses in the Hummer H2 are located in the Instrument panel fuse box (“AUX PWR 2” – 2003-2004), and in the engine compartment – see fuses “AUX PWR” and “CIG LTR”.

Passenger Compartment Fuse Boxes

Fuse box location

The Instrument Panel Fuse Box is located behind the cover on the driver’s side edge of the instrument panel. Pull off the cover to access it.The location of the fuses in the passenger compartment: Hummer H2 (2002-2007)

Fuse box diagram

Instrument panel fuse box diagram: Hummer H2 (2002, 2003, 2004, 2005, 2006, 2007)


Assignment of the fuses in the Instrument Panel Fuse Box

Name Description
RR WIPER Rear Window Wiper Switch
SEO ACCY 2003: Not Used
2004-2007: Special Equipment Option Accessory
WS WPR Windshield Wipers
TBC ACCY Truck Body Controller Accessory
IGN 3 Rear Heated Seats Module
4WD Four-Wheel Drive Switch, Air Suspension Switch/Module
HTR A/C Not Used
LOCK Power Door Lock Relay (Lock Function)
HVAC 1 Inside Rearview Mirror, Climate Control System
L DOOR Driver’s Door Harness Connection
CRUISE Cruise Control
UNLOCK Power Door Lock Relay (Unlock Function)
RR FOG LP Not Used
BRAKE Brake Switch
PDM 2003: Passenger Door Module
DRIVER UNLOCK 2004-2007: Power Door Lock Relay (Driver’s Door Unlock Function)
IGN 0 Brake Transmission Shift Interlock, Powertrain Control Module, Transmission
TBC IGN 0 Truck Body Controller
VEH CHMSL Vehicle and Trailer High Mounted Stoplamp
LT TRLR ST/TRN Left Turn Signal/Stop Trailer
LT TRN Left Turn Signals and Sidemarkers
VEH STOP Vehicle Stoplamps, Brake Module, Electronic Throttle Control Module
RT TRLR ST/TRN Right Turn Signal/Stop Trailer
RT TRN Right Turn Signals and Sidemarkers
BODY Harness Connector
DDM Driver Door Module
LOCKS Rear Doors and Liftgate Power Lock Relay Feed
ECC 2003: Not Used
2004-2007: Liftgate
TBC 2C Truck Body Controller
FLASH Flasher Module
CB LT DOORS Left Rear Power Window Circuit Breaker and Driver Door Module
TBC 2B Truck Body Controller
TBC 2A Truck Body Controller
AUX PWR 2 2003-2004: Instrument Panel Outlets, Rear Cargo Area Power Outlets

2005-2007: Midgate Controller (SUT Only) – Circuit Breaker

Center Instrument Panel Utility Block

It is located underneath the instrument panel, to the left of the steering column.Center Instrument Panel Utility Block: Hummer H2 (2002, 2003, 2004, 2005, 2006, 2007)

Name Description
SEO 2003-2005: Special Equipment Option/Off-road Lamps Harness Connector

2006-2007: Special Equipment Option

TRAILER 2003-2005: Trailer Brake Wiring

2006-2007: Trailer Brake Wiring, Off-Road Lamps Harness Connector

UPFIT Upfitter (Not Used)
SL RIDE Ride Control (Not Used)
HDLNR 2 Headliner Wiring Connector 2
BODY Body Wiring Connector
DEFOG Rear Defogger Relay
HDLNR 1 Headliner Wiring Connector 1
CB SEAT Driver and Passenger Seat Module Circuit Breaker
CB RT DOOR Rear Right Power Window, Passenger Door Module
SPARE Not Used
INFO Infotainment Unit (Not Used)

Engine Compartment Fuse Box

Fuse box location

The location of the fuses in the engine compartment: Hummer H2 (2002-2007)

Fuse box diagrams

2003-2004Under-hood fuse box diagram: Hummer H2 (2002, 2003, 2004)

2005Under-hood fuse box diagram: Hummer H2 (2005)

2006Under-hood fuse box diagram: Hummer H2 (2006)

2007Under-hood fuse box diagram: Hummer H2 (2007)


Assignment of the fuses and relay in the engine compartment

Name Description
CUST FEED Gasoline Accessory Power
HYBRID 2005: Hybrid
2006-2007: Not Used
WSW/HTR Heated Windshield Washer (Special Edition Only)
STUD #1 Accessory Power/Trailer Wiring
MBEC 1 Mid Bussed Electrical Center Power Feed, Front Seats, Right Doors
BLWR / BLOWER Front Climate Control Fan
LBEC 2 Left Bussed Electrical Center, Door Modules, Door Locks, Auxiliary Power Outlet—Rear Cargo Area and Instrument Panel
STUD #2 Accessory Power/Trailer Wiring Brake Feed
ABS Anti-lock Brakes
VSES/ECAS Electronically Controlled Air Suspension
IGN A Ignition Switch
IGN B Ignition Switch
LBEC 1 Left Bussed Electrical Center, Left Doors, Truck Body Controller, Flasher Module
TRL PARK Parking Lamps Trailer Wiring
RR PARK Passenger’s Side Rear Parking and Sidemarker Lamps
LR PARK Driver’s Side Rear Parking and Sidemarker Lamps
PARK LP Parking Lamps Relay
STRTR / STARTER Starter Relay
INTPARK Roof Marker Lamps
STOP LP Stoplamps
TBC BATT Truck Body Controller Battery Feed
SEO B2 Off-Road Lamps
4WS 2003-2005: Vent Solenoid Canister
2006-2007: Not Used
RR HVAC Not Used
AUX PWR 2003-2004: Auxiliary Power Outlet – Console
2005-2007: Instrument Panel Outlets, Rear Cargo Area Power Outlets, Console
PCM 1 Powertrain Control Module
ETC/ECM Electronic Throttle Control, Electronic Brake Controller
IGN E Instrument Panel Cluster, Air Conditioning Relay, Turn Signal/Hazard Switch, Starter Relay, Electronic Brake Controller TC2 Mode Switch
RTD Electronic Brake Controller Battery Feed
TRL B/U Backup Lamps Trailer Wiring
F/PMP Fuel Pump (Relay)
B/U LP Back-up Lamps, Automatic Transmission Shift Lock Control System
RR DEFOG Rear Window Defogger
HDLP-HI Headlamp High Beam Relay
PRIME Not Used
AIRBAG / SIR Supplemental Inflatable Restraint System
FRT PARK Front Parking Lamps, Sidemarker Lamps
DRL Daytime Running Lamps (Relay)
SEO IGN Rear Defog Relay
TBC IGN1 Truck Body Controller Ignition
HI HDLP-LT Driver’s Side High Beam Headlamp
LH HID Not Used
DRL Daytime Running Lamps
RVC Regulated Voltage Control
IPC/DIC Instrument Panel Cluster/ Driver Information Center
HVAC/ECAS Climate Control Controller/Electronically Controlled Air Suspension
CIG LTR Cigarette Lighter
HI HDLP-RT Passenger’s Side High Beam Headlamp
HDLP-LOW Headlamp Low Beam Relay
A/C COMP Air Conditioning Compressor Relay
A/C COMP Air Conditioning Compressor
TCMB Transmission Control Module
RR WPR Rear Wiper/Washer
RADIO Audio System
SEO B1 Mid Bussed Electrical Center, Universal Home Remote System, Rear Heated Seats
LO HDLP-LT Driver’s Side Headlamp Low Beam
BTSI Brake Transmission Shift Interlock System
CRNK Starting System
LO HDLP-RT Passenger’s Side Headlamp Low Beam
FOG LP Not Used
FOG LP Not Used
HORN Horn Relay
W/S WASH Windshield and Rear Window Washer Pump Relay
W/S WASH Windshield and Rear Window Washer Pump
RADIO AMP Radio Amplifier
RH HID Not Used
EAP Not Used
TREC Four-Wheel Drive Module
SBA Not Used
INJ2 Ignition Coil, Fuel Injectors-Bank 2
INJ1 Ignition Coil, Fuel Injectors-Bank 1
O2A Oxygen Sensors.
O2B Oxygen Sensors.
IGN1 Ignition 1
PCM B Powertrain Control Module, Fuel Pump.
SBA Supplemental Brake Assist / Not Used.
S/ROOF Sunroof.

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