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

 

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 Layout 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)

 

Assignment of the fuses and relay in the engine compartment

Description
1 Heated Seats
2 Grille Guard
3 2006-2008: Fuel Pump
2010: Stop Lamp (H3T Only)
4 Roof Lamp
5 Battery Ignition Switch
6 Front Wiper
7 2006: Spare 1
2007-2010: Regulated Voltage Control Power
8 Power Locks
9 Sunroof, Front Washer Pump
10 Accessories (SPO)
11 2006: Not Used
2007-2008: Air Compressor
2010: Not Used
12 Transfer Case Control Module
13 2006-2008: Radio, Heating, Ventilation, Air Conditioning Display.
2010: Radio
14 Body Control Module
15 Rear Wiper Motor
16 Rear Wiper Pump Switch
17 2006: Spare 2
2007-2008: Air Injection Reactor (AIR) Solenoid
2010: Air Injection Reactor (AIR) Pump Relay/ Transmission Control Module (TCM) (V8 Only)
18 2006-2008: Spare 6
2010: Rear Vision Camera
19 Cluster
20 Rear Turn Signal, Hazard Signal
21 Powertrain Control Module 1
22 Mass Air Flow Sensor, Purge Solenoid
23 Injector
24 Fog Lamp
25 Powertrain Control Module B
26 2006-2007: Spare 4
2008-2010: Transmission Control Module (TCM)
27 Airbags
28 2006-2008: Back-up Lamps
2010: Not Used
29 Anti-lock Brakes, StabiliTrak
30 Rear Window Defogger
31 Canister Vent
32 2006: Spare 5
2007-2010: Regulated Voltage Control VSense+
33 Ignition 1
34 Transmission
35 Cruise, Inside Rearview Mirror
36 Horn
37 Driver’s Side Rear Park Lamp
38 Amplifier
39 2006: Spare 7
2007-2008: Reduced Intensity Low-Beam Daytime Running Lamps
2010: Daytime Running Lamps
40 Passenger’s Side Headlamp
41 Driver’s Side Headlamp
42 Trailer Back-Up Lamp
43 Front Park Lamps
44 2006: Not Used
2007-2010: Air Injection Reactor (AIR) Solenoid
45 Auxiliary Power 2/ Cigarette Lighter
46 Electronic Throttle Control
47 Oxygen Sensor
48 Air Conditioning Clutch
49 2006-2008: Passenger’s Side Rear Park Lamp
2010: Rear Park Lamp
50 2006-2007: XM Satellite Radio
2008: Spare
2010: Stop Lamp
51 Auxiliary Power 1/ Cigarette Lighter
52 StabiliTrak , Anti-lock Brakes
53 2006-2008: Power Heater Switch
2010: Power Heated Seat, Belt Switch
54 2006-2008: Stop
2010: Fuel System Control Module (FSCM)
55 Trailer Parking Lamps
56 2006-2008: Front Turn Signal, Hazard Signal
2010: Front Turn Signal, Hazard Signal, Courtesy Mirror
57 Power Sunroof
58 Transfer Case Control Module Switch
59 Climate Control
60 2006-2008: Spare 8
2010: Back‐Up Lamp
61 Power Seats
62 Air Injection Reactor (AIR) Pump
63 Passenger’s Side Power Window
64 Anti-lock Brakes, StabiliTrak 2 Motor
67 Anti-lock Brakes, StabiliTrak 1 Solenoid
68 Driver’s Side Power Window
82 Climate Control Fan
83 Electronic Brake Controller
84 Trailer B+ Fuse
85 Starter
91 Generator Megafuse
Relay
66 2006-2008: Fuel Pump
2010: Stop Lamp (H3T Only)
69 Fog Lamp
70 High, Low Beam Headlamps
71 Rear Defogger
72 Windshield Wiper On/Off
73 Windshield Wiper High/Low
74 Horn
75 Headlamp
76 Air Conditioning Clutch
77 2006-2008: Powertrain Control Module
2010: Powertrain Control Module (Starter)
78 Run, Crank
79 2006: Spare 1
2007-2008: Reduced Intensity Low-Beam Daytime Running Lamps
2010: Daytime Running Lamps
80 2006: Not Used
2007-2008: Air Injection Reactor (AIR) Solenoid
81 2006-2008: Powertrain (Starter)
2010: Powertrain
86 2006-2008: Spare 2
2010: Back-up
87 2006-2008: Heating, Ventilation, Air Conditioning
2010: Ignition 3 (Heating, Ventilation, Air Conditioning)
88 Retained Accessory Power
89 Park Lamp
Diode
65 Wiper Diode
90 Air Conditioning Clutch Diode


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