Hummer H3 / H3T (2005-2010) fuses and relays

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The mid-size SUV Hummer H3 (and pickup truck Hummer H3T) was produced from 2005 to 2010. In this article, you will find fuse box diagrams of Hummer H3 2005, 2006, 2007, 2008, 2009 and 2010, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.

Fuse Box Diagram: Hummer H3 / H3T (2005-2010)


Cigar lighter (power outlet) fuses in the Hummer H3 – fuses #45 and #51 in the engine compartment fuse box.


Fuse Box Location

The engine compartment fuse block is located on the driver’s side of the engine compartment near the battery.
To remove the cover, push in on the tabs at the ends of the cover and lift.The location of the fuses in the engine compartment: Hummer H3 / H3T (2005-2010)

Fuse box diagram

Under-hood fuse box diagram: Hummer H3 / H3T (2005, 2006, 2007, 2008, 2009, 2010)

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Assignment of the fuses and relay in the engine compartment
Description
1Heated Seats
2Grille Guard
32006-2008: Fuel Pump
2010: Stop Lamp (H3T Only)
4Roof Lamp
5Battery Ignition Switch
6Front Wiper
72006: Spare 1
2007-2010: Regulated Voltage Control Power
8Power Locks
9Sunroof, Front Washer Pump
10Accessories (SPO)
112006: Not Used
2007-2008: Air Compressor
2010: Not Used
12Transfer Case Control Module
132006-2008: Radio, Heating, Ventilation, Air Conditioning Display.
2010: Radio
14Body Control Module
15Rear Wiper Motor
16Rear Wiper Pump Switch
172006: Spare 2
2007-2008: Air Injection Reactor (AIR) Solenoid
2010: Air Injection Reactor (AIR) Pump Relay/ Transmission Control Module (TCM) (V8 Only)
182006-2008: Spare 6
2010: Rear Vision Camera
19Cluster
20Rear Turn Signal, Hazard Signal
21Powertrain Control Module 1
22Mass Air Flow Sensor, Purge Solenoid
23Injector
24Fog Lamp
25Powertrain Control Module B
262006-2007: Spare 4
2008-2010: Transmission Control Module (TCM)
27Airbags
282006-2008: Back-up Lamps
2010: Not Used
29Anti-lock Brakes, StabiliTrak
30Rear Window Defogger
31Canister Vent
322006: Spare 5
2007-2010: Regulated Voltage Control VSense+
33Ignition 1
34Transmission
35Cruise, Inside Rearview Mirror
36Horn
37Driver’s Side Rear Park Lamp
38Amplifier
392006: Spare 7
2007-2008: Reduced Intensity Low-Beam Daytime Running Lamps
2010: Daytime Running Lamps
40Passenger’s Side Headlamp
41Driver’s Side Headlamp
42Trailer Back-Up Lamp
43Front Park Lamps
442006: Not Used
2007-2010: Air Injection Reactor (AIR) Solenoid
45Auxiliary Power 2/ Cigarette Lighter
46Electronic Throttle Control
47Oxygen Sensor
48Air Conditioning Clutch
492006-2008: Passenger’s Side Rear Park Lamp
2010: Rear Park Lamp
502006-2007: XM Satellite Radio
2008: Spare
2010: Stop Lamp
51Auxiliary Power 1/ Cigarette Lighter
52StabiliTrak , Anti-lock Brakes
532006-2008: Power Heater Switch
2010: Power Heated Seat, Belt Switch
542006-2008: Stop
2010: Fuel System Control Module (FSCM)
55Trailer Parking Lamps
562006-2008: Front Turn Signal, Hazard Signal
2010: Front Turn Signal, Hazard Signal, Courtesy Mirror
57Power Sunroof
58Transfer Case Control Module Switch
59Climate Control
602006-2008: Spare 8
2010: Back‐Up Lamp
61Power Seats
62Air Injection Reactor (AIR) Pump
63Passenger’s Side Power Window
64Anti-lock Brakes, StabiliTrak 2 Motor
67Anti-lock Brakes, StabiliTrak 1 Solenoid
68Driver’s Side Power Window
82Climate Control Fan
83Electronic Brake Controller
84Trailer B+ Fuse
85Starter
91Generator Megafuse
Relay
662006-2008: Fuel Pump
2010: Stop Lamp (H3T Only)
69Fog Lamp
70High, Low Beam Headlamps
71Rear Defogger
72Windshield Wiper On/Off
73Windshield Wiper High/Low
74Horn
75Headlamp
76Air Conditioning Clutch
772006-2008: Powertrain Control Module
2010: Powertrain Control Module (Starter)
78Run, Crank
792006: Spare 1
2007-2008: Reduced Intensity Low-Beam Daytime Running Lamps
2010: Daytime Running Lamps
802006: Not Used
2007-2008: Air Injection Reactor (AIR) Solenoid
812006-2008: Powertrain (Starter)
2010: Powertrain
862006-2008: Spare 2
2010: Back-up
872006-2008: Heating, Ventilation, Air Conditioning
2010: Ignition 3 (Heating, Ventilation, Air Conditioning)
88Retained Accessory Power
89Park Lamp
Diode
65Wiper Diode
90Air Conditioning Clutch Diode