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HUMMER H2 (2008) - fuse box diagram

avatar Jonathan Yarden Mar 25, 2021 · 5 min. read

In this article you will find a description of fuses and relays HUMMER, with photos of block diagrams and their locations. Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.

Year of production: 2008

Instrument Panel Fuse Block

The instrument panel fuse block access door is located on the driver side edge of the instrument panel.

Hummer H2 - fuse box - instrument panel

Fuses Usage
LT DR Driver Side Power Window Circuit Breaker
REAR SEAT Rear Seats
AUX PWR2 Floor Console Power Outlets
SWC BKLT Steering Wheel Controls Backlight
DDM Driver Door Module
CTSY Dome Lamps, Front Passenger Side Turn Signal
LT STOP TRN Driver Side Turn Signal, Stoplamp
DIM Instrument Panel Back Lighting
RT STOP TRN Passenger Side Turn Signal
PDM Passenger Door Module
UNLCK2 Power Door Lock 2 (Unlock Feature)
LCK2 Power Door Lock 2 (Lock Feature)
STOP LAMPS Stoplamps, Center-High Mounted Stoplamp
REAR HVAC Rear Climate Controls
REAR HVAC Rear Climate Controls
BCM Body Control Module
AUX PWR Rear Cargo Accessory Power Outlets
IS LPS Interior Lamps
UNLCK1 Power Door Lock 1 (Unlock Feature)
INFO Infotainment System, Remote Keyless Entry System
UGDO Universal Home Remote System
LCK1 Power Door Lock 1 (Lock Feature)
REAR WPR Rear Wiper
DSM Driver Seat Module


Harness Connector Usage
LT DR Driver Door Harness Connection
BODY Harness Connector
BODY Harness Connector

Center Instrument Panel Fuse Block

The center instrument panel fuse block is located underneath the instrument panel, to the left of the steering column.

Top View

HUMMER H2 - fuse box - center instrument panel (top view)

Harness Connector Usage
BODY 2 Body Harness Connector 2
BODY 1 Body Harness Connector 1
BODY 3 Body Harness Connector 3
HEADLINER 3 Headliner Harness Connector 3
HEADLINER 2 Headliner Harness Connector 2
HEADLINER 1 Headliner Harness Connector 1
SEO/UPFITTER Special Equipment Option Upfitter Harness Connector


Circuit Breaker Usage
CB1 Passenger Side Power Window Circuit Breaker
CB2 Passenger Seat Circuit Breaker
CB3 Driver Seat Circuit Breaker
CB4 Rear Sliding Window

Underhood Fuse Block

The underhood fuse block in the engine compartment is located on the driver side of the vehicle near the battery.

HUMMER H2 - fuse box - engine compartment

Fuses Usage
1 Left Trailer Stop/Turn Lam
2 Engine Controls
3 Engine Control Module, Throttle Control
4 Right Trailer Stop/Turn Lamp
5 Front Washer
6 Oxygen Sensors
7 Vehicle Stability System, Antilock Brake System-2
8 Trailer Back-up Lamps
9 Left Low-Beam Headlamp
10 Engine Control Module (Battery)
11 Fuel Injectors, Ignition Coils (Right Side)
12 Transmission Control Module (Battery)
13 Vehicle Back-up Lamps
14 Right Low-Beam Headlamp
15 Air Conditioning Compressor
16 Oxygen Sensors
17 Transmission Controls (Ignition)
18 Fuel Pump
19 Rear Washer
20 Fuel Injectors, Ignition Coils (Left Side)
21 Trailer Park Lamps
22 Left Park Lamps
23 Right Park Lamps
24 Horn
25 Right Side High-Beam Headlamp
26 Daytime Running Lamps (DRL)
27 Left High-Beam Headlamp
28 Sunroof
29 Key Ignition System, Theft Deterrent System
30 Windshield Wiper
31 SEO B2 Upfitter Usage (Battery)
32 Electrically Controlled Air Suspension
33 Climate Controls (Battery)
34 Airbag System (Ignition)
35 Amplifier
36 Audio System
37 Miscellaneous (Ignition), Cruise Control, Rear Vision Camera
38 Airbag System (Battery)
39 Instrument Panel Cluster
40 Run, Accessory
41 Auxiliary Climate Control (Ignition)
42 Rear Defogger
43 SEO B1 Upfitter Usage (Battery)
44 Cigarette Lighter, Auxiliary Power Outlet
45 Special Equipment Option (SEO)
46 Climate Controls (Ignition)
47 Engine Control Module (Ignition)
50 Cooling Fan 1 (J-Case)
51 Electronically Controlled Air Suspension (J-Case)
52 Vehicle Stability System, Antilock Brake System-1 (J-Case)
53 Cooling Fan 2 (J-Case)
54 Starter (J-Case)
55 Stud 2 Trailer Brake Module (J-Case)
56 Left Bussed Electrical Center 1 (J-Case)
57 Heated Windshield Washer System (J-Case)
58 Four-Wheel Drive System (J-Case)
59 Stud 1 Trailer Connector Battery Power (J-Case)
60 Mid Bussed Electrical Center 1 (J-Case)
61 Climate Control Blower (J-Case)
62 Left Bussed Electrical Center 2 (J-Case)


Relays Usage
FAN HI Cooling Fan High Speed
FAN LO Cooling Fan Low Speed
FAN CNTRL Cooling Fan Control
HDLP LO Low-Beam Headlamp
A/C CMPRSR Air Conditioning Compressor
STRTR Starter
PWR/TRN Powertrain
PRK LAMP Parking Lamps
REAR DEFOG Rear Defogger
RUN/CRNK Switched Power

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

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