Fuses and relays Hummer H2 (2002-2007)

The H2 is an American General Motors SUV sold under the Hummer brand since 2002 at a purpose-built factory in Mishawaka, Indiana, United States. In this article, we will take a detailed look at the fuse box diagrams for the Hummer H2 (first generation) 2002, 2003, 2004, 2005, 2006, 2007 years of manufacture.

Here you will find the locations and photos of distribution boxes. The fuses responsible for the “Cigarette lighter” and “Fuel Pump” are highlighted in bold.

In the engine compartment

Located near the battery.

Lift the plastic cover to access it.

General view of the fuse box.

Diagram
No.	Description	Amps
R1	Parking and side marker lights
R2	Starter Relay
R3	Ignition
R4	Hummer H2 Fuel Pump Relay
R5	High Beam Headlamp Relay
R6	Daytime Running Light (DRL)
R7	Dipped Beam Headlamp Relay
R8	Air Conditioning Compressor (A/C)
R9	Empty
R10	Horn Relay
R11	Windshield and Rear Window Washer Pump
1	Accessory/trailer power wiring	40 A
2	Empty	-
3	Circuit breakers #CB1 and #CB2 in the passenger compartment relay box	50 A
4	(High Speed) Blower Motor	40 A
5	Fuses in the Passenger Compartment: #6, #19, #24, #27	50 A
6	Off-road lights, wiring for trailers	30 A
7	ABS System	60 A
8	Electronically controlled air suspension relay	60 A
9	Ignition Switch	40 A
10	Empty	-
11	Ignition Switch	40 A
12	Fuses "20", "25" "26", "CB1" in the Passenger Compartment	50 A
13	Parking lights trailer wiring	15 A
14	Side parking lights and right rear parking light, license plate light	10 A
15	Side parking lights and left rear parking light, license plate light	10 A
16	Roof marker lights, SIR cut-off switch, parking lights, marker lights, trailer jumper	10 A
17	Stop Lamp Switch	25 A
18	Body Control Module (BCM)	10 A
19	Sunroof	25 A
20	Electronic Brake Control Module (EBCM), Off-Road Lamps	30 A
21	EVAP canister vent solenoid	15 A
22	Rear HVAC Module	30 A
23	Auxiliary 12V Power Outlet - Console	20 A
24	Powertrain Control Module (PCM), exhaust gas canister cleaning solenoid (EVAP), mass air flow sensor (MAF), intake air temperature sensor (IAT)	15 A
25	Throttle actuator control (TAC), electronic brake controller	15 A
26	Ignition Coils, Fuel Injectors	15 A
27		15 A
28	Instrument panel, air conditioning relay, turn signal/hazard switch, starter relay, electronic brake controller TC2 operation mode switch	10 A
29	Electronic Brake Controller	30 A
30	Rear lights trailer wiring	10 A
31	Powertrain Control Module (PCM), Fuel Pump Fuse	20 A
32	Oxygen Sensors	15 A
33	Rear lights, parking/neutral position switch (PNP)	20 A
34	Rear window defogger relay	30 A
35	Oxygen Sensors	15 A
36	Inflatable restraint dashboard module disconnect module, inflatable restraint sensor and diagnostic module	15 A
37	Front position lights, front side position lights	10 A
38	Rear Window Defogger Relay	10 A
39	Body Control Module (BCM)	10 A
40	High Beam Left Headlamp	10 A
41	Empty	-
42	Daytime Running Light (DRL) Relay	10 A
43	Instrument Panel Cluster / Driver Information Center	10 A
44	Climate control unit / Electronically controlled air suspension module	10 A
45	Hummer H2 Cigarette Lighter Fuse, Data Link Connector (DLC)	15 A
46	High Beam Right Headlamp	10 A
47	Air Conditioning Compressor Relay	10 A
48	Rear Wiper / Washer	25 A
49	Empty	-
50	Audio System Unit, Rear Seat Audio	15 A
51	Rear Seats Heater, HomeLink Unit (Garage Door Opener)	15 A
52	Dipped Beam Left Headlamp	10 A
53	Brake gear shift interlock system	10 A
54	Starting System, Ignition Switch, Powertrain Control Module (PCM)	10 A
55	Dipped Beam Right Headlamp	10 A
56	Empty	-
57	Windshield and Rear Window Washer Pump	15 A
58	Vehicle Communication Interface Module (VCIM)	15 A
59	Radio Audio Amplifier	30 A
60	Empty	-
61	Horn (beep)	15 A
62	Empty	-
63	Transfer case control module (four-wheel drive module)	30 A
64	Empty	-
65	Cust Feed	125 A

In the passenger compartment

There are two fuse boxes. The first is located at the end of the dashboard on the driver's side. The second is located to the left of the steering wheel, under the dashboard.

Fuse Box #1

 
Located on the edge of the dashboard on the driver's side.

General view of the Hummer H2 interior fuse box.

Diagram
No.	Description	Amps
R1	Power door lock relay
R2	Power Door Unlock Relay
R3	Empty
R4	Empty
1	Rear Window Wiper and Washer Switch	15 A
2	Rear Seats Heater	10 A
3	Transfer case shift control switch (four-wheel drive switch), electronically controlled air suspension switch/module, skid height switch	15 A
4	Brake Transmission Shift Interlock, Powertrain Control Module, Transmission	10 A
5	Stop lights, brake unit, electronic throttle control module, turn signal/hazard flasher module, fuse #14	15 A
6	Driver Door Module	15 A
7	Liftgate door lock relay	10 A
8	Body Builder Provision	10 A
9	Reserve	30 A
10	Interior rearview mirror, climate control system (control module and actuators of the heating, ventilation and air conditioning system)	10 A
11	Cruise Control Module	10 A
12	Stop Lamp Switch	10 A
13	Body Control Module (BCM)	10 A
14	Vehicle and Trailer Center High Mounted Stop Lamp	10 A
15	Windshield Wipers	25 A
16	Body Control Module (BCM)	10 A
17	Trailer turn signal/stop signal (left side)	10 A
18	Trailer turn signal/stop signal (right side)	10 A
19	Instrument Panel and Rear Cargo Area 12V Power Outlets	20 A
20	Body Control Module (BCM)	15 A
21		15 A
22	Turn signal and side turn signal lamps on the left side, instrument panel	10 A
23	Turn signal and side turn signal lamps on the right side, instrument panel	10 A
24	Door Lock/Unlock Relay	20 A
25	Turn signal/hazard flasher unit	25 A
26	Body Control Module (BCM)	15 A
27	Passenger Door Module	10 A
CB1	Left rear power window circuit breaker and driver's door module	25 A

Fuse box #2

Located under the dashboard, to the left of the steering column.

Diagram
R1	Rear window defogger relay
R2	Empty
CB1	Driver and Passenger Seat Module	30 A
CB2	Passenger Door Module Right Rear Power Window	25 A