GMC Envoy (2003 – 2004) – fuse box diagram
Year of production: 2003, 2004
Engine Compartment Fuse Block
The fuse block is located under the hood in the engine compartment on the driver’s side of the vehicle.
L6 Engine
GMC Envoy mk2 – fuse box diagram – engine compartment (L6 engine)
Fuses
Usage
1
Electrically-Controlled Air Suspension
2
Passenger’s Side High-Beam Headlamp
3
Passenger’s Side Low-Beam Headlamp
4
Back-Up-Trailer Lamps
5
Driver’s Side High-Beam Headlamp
6
Driver’s Side Low-Beam Headlamp
7
Wash
8
Automatic Transfer Case
9
Windshield Wipers
10
Powertrain Control Module B
11
Fog Lamps
12
Stop Lamp
13
Cigarette Lighter
14
Ignition Coils
15
Air Suspension Ride
16
TBD-Ignition 1
17
Crank
18
Air Bag
19
Electric Brake
20
Cooling Fan
21
Horn
22
Ignition E
23
Electronic Throttle Control
24
Instrument Panel Cluster, Driver Information Center
25
Automatic Shift Lock Control System
26
Engine 1
27
Back-Up
28
Powertrain Control Module 1
29
Oxygen Sensor
30
Air Conditioning
31
Truck Body Controller
32
Trailer
33
Anti-Lock Brakes (ABS)
34
Ignition A
35
Blower Motor
36
Ignition B
50
Passenger’s Side Trailer Turn
51
Driver’s Side Trailer Turn
52
Hazard Flashers
Relays
Usage
37
Blank
38
Rear Window Washer
39
Fog Lamps
40
Horn
41
Fuel Pump
42
Windshield Wipers/Washer
43
High-Beam Headlamp
44
Air Conditioning
45
Cooling Fan
46
Headlamp Driver Module
47
Starter
Miscellaneous
Usage
48
Instrument Panel Battery
49
Blank
V8 Engine
GMC Envoy mk2 – fuse box – engine compartment (V8 engine)
Fuses
Usage
1
Electrically-Controlled Air Suspension
2
Passenger’s Side High-Beam Headlamp
3
Passenger’s Side Low-Beam Headlamp
4
Back-Up-Trailer Lamps
5
Driver’s Side High-Beam Headlamp
6
Driver’s Side Low-Beam Headlamp
7
Wash
8
Automatic Transfer Case
9
Windshield Wipers
10
Powertrain Control Module B
11
Fog Lamps
12
Stop Lamp
13
Cigarette Lighter
14
Ignition Coils
15
Cannister Vent
16
TBD-Ignition 1
17
Crank
18
Air Bag
19
Electric Brake
20
Cooling Fan
21
Horn
22
Ignition E
23
Electronic Throttle Control
24
Instrument Panel Cluster, Driver Information Center
25
Automatic Shift Lock Control System
26
Engine 1
27
Back-Up
28
Powertrain Control Module 1
30
Air Conditioning
31
Truck Body Controller 1
32
Trailer
33
Anti-Lock Brakes (ABS)
34
Ignition A
35
Blower Motor
36
Ignition B
50
Passenger’s Side Trailer Turn
51
Driver’s Side Trailer Turn
52
Hazard Flashers
53
Oxygen Sensor Bank A
54
Oxygen Sensor Bank B
55
Injector Bank A
56
Injector Bank B
Relays
Usage
37
Headlamp Washer
38
Rear Window Washer
39
Fog Lamps
40
Horn
41
Fuel Pump
42
Windshield Wipers/Washer
43
High-Beam Headlamp
44
Air Conditioning
45
Cooling Fan
46
Headlamp Driver Module
47
Starter
58
Ignition 1
Miscellaneous
Usage
48
Instrument Panel Battery
Rear Underseat Fuse Block
Envoy
GMC Envoy mk2 – fuse box diagram – rear underseat fuse block (Envoy)
Fuses
Usage
01
Right Door Control Module
02
Left Door Control Module
03
Liftgate Module 2
04
Truck Body Controller 3
05
Rear Fog Lamps
06
Liftgate Module/Driver Seat Module
07
Truck Body Controller 2
08
Power Seats
09
Blank
10
Driver Door Module
11
Amplifier
12
Passenger Door Module
13
Rear Climate Controls
14
Left Rear Parking Lamps
15
Auxiliary Power 2
16
Vehicle Center High-Mounted Stop Lamp
17
Right Rear Parking Lamps
18
Locks
19
Blank
20
Sunroof
21
Lock
23
Blank
24
Unlock
25
Blank
26
Blank
27
OH Battery/OnStar® System
29
Rainsense™ Wipers
30
Parking Lamps
31
Truck Body Controller 4 Cruise Control
32
Truck Body Controller 5
33
Front Wipers
34
Vehicle Stop
35
Blank
36
Heat Ventilation Air Conditioning B
37
Front Parking Lamps
38
Left Turn Signal
39
Heat Ventilation Air Conditioning 1
40
Truck Body Controller 4
41
Radio
42
Trailer Park
43
Right Turn Signal
44
Heat Ventilation Air Conditioning
45
Rear Fog Lamps
46
Auxiliary Power 1
47
Ignition 0
48
Four-Wheel Drive
49
Blank
50
Truck Body Controller Ignition
51
Brakes
52
Truck Body Controller Run
Envoy XL
GMC Envoy mk2 – fuse box diagram – rear underseat fuse block (Envoy XL)
Fuses
Usage
01
Right Door Control Module
02
Left Door Control Module
03
Liftgate Module 2
04
Truck Body Controller 3
05
Rear Fog Lamps
06
Liftgate Module/Driver Seat Module
07
Truck Body Controller 2
08
Power Seats
09
Blank
10
Driver Door Module
11
Amplifier
12
Passenger Door Module
13
Rear Climate Controls
14
Left Rear Parking Lamps
15
Auxiliary Power 2
16
Vehicle Center High-Mounted Stop Lamp
17
Right Rear Parking Lamps
18
Locks
19
Blank
20
Sunroof
21
Lock
22
Retained Accessory Power
23
Blank
24
Unlock
25
Blank
26
Blank
27
OH Battery/OnStar® System
28
Sunroof
29
Rainsense™ Wipers
30
Parking Lamps
31
Truck Body Controller 4 Cruise Control
32
Truck Body Controller 5
33
Front Wipers
34
Vehicle Stop
35
Blank
36
Heat Ventilation Air Conditioning B
37
Front Parking Lamps
38
Left Turn Signal
39
Heat Ventilation Air Conditioning 1
40
Truck Body Controller 4
41
Radio
42
Trailer Park
43
Right Turn Signal
44
Heat Ventilation Air Conditioning
45
Rear Fog Lamps
46
Auxiliary Power 1
47
Ignition 0
48
Four-Wheel Drive
49
Blank
50
Truck Body Controller Ignition
51
Brakes
52
Truck Body Controller Run
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.