Fuses and relays Hummer H3 (GMT345; 2005 - 2010)

Table of Contents

H3 is an SUV of the American company Hummer. It was produced from 2005 to 2010 at plants in the USA (Shreveport, Louisiana) and South Africa (Port Elizabeth). It is based on the GMT345 platform, which is also used by Chevrolet Colorado/GMC Canyon. In this article we will understand in detail fuse box diagrams Hummer H3 (body code GMT345; first generation) 2005, 2006, 2007, 2008, 2009, 2010 years of manufacture.


Here you will find the locations and photos of the mounting blocks. Also, we will separately mark the fuses responsible for the cigarette lighter and the fuel pump.

In the engine compartment


Located on the driver’s side, behind the plastic cover.


To access, remove the cover by pushing down on the tabs on the ends of the cover and lifting the cover.

 
Genera view of the Hummer H3 fuse box.

Diagram
No. Description
Diodes
65 Wiper
90 Air Conditioning Clutch
Relays
66 2005-2008: Hummer H3 Fuel Pump Relay
2010: Stop Lamp (H3T Only)
69 Fog Lamp relay
70 High, Dipped Beam Headlamps
71 Rear Defogger relay
72 Windshield Wiper (On/Off)
73 Windshield Wiper (High/Low Speed)
74 Horn (beep) relay
75 Headlamp relay
76 Air Conditioning Clutch Relay
77 2006-2008: Powertrain Control Module
2010: Powertrain Control Module (Starter)
78 Run, Crank Relay
79 2005-2006: Reserve 1
2007-2008: Reduced Intensity Low-Beam Daytime Running Lamps
2010: Daytime Running Lamps (DRL)
80 2006: Empty
2007-2008: Air Injection Reactor (AIR) Solenoid
81 2006-2008: Powertrain (Starter)
2010: Powertrain
86 2006-2008: Reserve 2
2010: Back-up
87 2005-2008: Heating, Ventilation, Air Conditioning
2010: Ignition 3 (Heating, Ventilation, Air Conditioning)
88 Retained Accessory Power
89 Parking Lamps
Fuses
1 Seats Heater
2 Grille Guard
3 2005-2008: Fuel Pump
2010: Stop Lamp (H3T Only)
4 Roof Lamp
5 Battery Ignition Switch
6 Front Wiper
7 2005-2006: Reserve 1
2007-2010: Regulated Voltage Control Power
8 Power Locks
9 Sunroof, Front Washer Pump
10 Accessories (SPO)
11 2005-2006: Empty
2007-2008: Air Compressor
2010: Empty
12 Transfer Case Control Module
13 2005-2008: Radio, Heating, Ventilation, Air Conditioning Display (A/C)
2010: Radio
14 Body Control Module (BCM)
15 Rear Wiper Motor
16 Rear Wiper Pump Switch
17 2005-2006: Reserve 2
2007-2008: Air Injection Reactor (AIR) Solenoid
2010: Air Injection Reactor (AIR) Pump Relay / Transmission Control Module (TCM) (V8 Only)
18 2005-2008: Reserve 6
2010: Rear Vision Camera
19 Cluster
20 Hazard warning light, rear turn signal light
21 PCM: Powertrain Control Module 1
22 Purge solenoid, mass air flow sensor
23 Injector
24 Fog Lamp
25 PCM: Powertrain Control Module B
26 2005-2007: Reserve 4
2008-2010: Transmission Control Module (TCM)
27 Safety Airbags system
28 2005-2008: Back-up Lamps
2010: Not Used
29 Anti-lock Brakes System (ABS), StabiliTrak
30 Rear window defogger
31 Canister Vent
32 2006: Reserve 5
2007-2010: Regulated Voltage Control VSense+
33 Ignition 1
34 Transmission
35 Cruise Control, Inside Rearview Mirror
36 Horn (beep) fuse
37 Rear parking light on driver's side
38 Audio Amplifier
39 2005-2006: Reserve 7
2007-2008: Reduced Intensity Low-Beam Daytime Running Lamps
2010: Daytime Running Lamps
40 Headlamp from the Passenger’s Side
41 Headlamp from the Driver’s Side
42 Trailer Back-Up Lamp
43 Parking Lamps (front side)
44 2005-2006: Empty
2007-2010: Air Injection Reactor (AIR) Solenoid
45
  • Auxiliary 12V Power Outlet #2
  • Cigarette Lighter Fuse
46 Electronic control of the throttle valve
47 Oxygen Sensor
48 Air Conditioning Clutch
49 2005-2008: Parking Lamp (Passenger’s Side Rear)
2010: Parking Lamp (Rear)
50 2005-2007: XM Satellite Radio
2008: Reserve
2010: Stop Lamp
51
  • Auxiliary Power Oultet
  • Hummer H3 Cigarette Lighter Fuse
52 StabiliTrak, Anti-lock Brakes
53 2005-2008: Power Heater Switch
2009-2010: Power Heated Seat, Belt Switch
54 2005-2008: Stop
2009-2010: Fuel System Control Module (FSCM)
55 Trailer Parking Lamps
56 2005-2008: Front turn signal, hazard warning light
2009-2010: Front turn signal, emergency stop signal, courtesy mirror
57 Sunroof
58 Transfer case control module switch
59 Climate Control Module
60 2005-2008: Reserve 8
2010: Back‐Up Lamp
61 Power Seats Module
62 AIR: Reactor pump with air injection
63 Electrical window on passenger side
64 Anti-lock Brakes System (ABS), StabiliTrak 2 Motor
67 Anti-lock Brakes System (ABS), StabiliTrak 1 Solenoid
68 Electrical Window on Driver’s Side
82 Climate Control Fan
83 Electronic Brake Controller
84 Trailer B+ Fuse
85 Starter
91 Alternator
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