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Fuses Usage
6 Driver Side Headlamp Low-Beam
7 Windshield Wiper
8 Automatic Transfer Case
9 Windshield Washer
10 Powertrain Control Module B
11 Fog Lamps
12 Stoplamp
13 Cigarette Lighter
14 Ignition Coils
15Transmission Control Module
Canister
16 Ignition B
18 Airbag
19 Electric Brake
21 Horn
22 Ignition E
23 Electronic Throttle Control
24Instrument Panel Cluster/Driver
Information Center (DIC)
25 Brake Transmission Shift Interlock
26 Engine 1
27 Backup Lamps
28 Engine Control Module 1Fuses Usage
29 Engine Control Module
30 Air Conditioning
31 Injector 1
50 Passenger Side Trailer Turn
51 Driver Side Trailer Turn
52 Hazard Flashers
53 Transmission
54 Oxygen Sensor B
55 Oxygen Sensor A
56 Injector B
57 Headlamp Drive Module
58 Truck Body Computer/Controller
59 Electric Adjustable Pedals
61 Ignition A1
66 Regulated Voltage Control
67 Air Solenoid
J-Case Fuses Usage
17 Trailer Stoplamp/Turn Signal
32 Trailer
33 Antilock Brake System
34 Ignition A
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J-Case Fuses Usage
35 Blower
36 Driver Side Headlamp
62 Passenger Side Headlamp
65Vehicle Stability Enhancement
System (StabiliTrak
®)
68 Air Pump
Relays Usage
37 Headlamp Wiper
38 Rear Windshield Wiper/Washer
39 Fog Lamps
40 Horn
41 Fuel Pump
42 Windshield Washer
43 High-Beam Headlamp
44 Air Conditioning
46 Headlamp Driver Module
47 Starter
49 Electric Adjustable Pedals
60 Powertrain
63 Low-Beam Headlamps
Relays Usage
64 Ignition 1
69 Air Solenoid
Misc. Usage
48 Instrument Panel Battery
Rear Underseat Fuse Block
The rear underseat fuse block is located on the driver
side of the vehicle, under the second row seat. Pull the
seat cushion forward to access the fuse block.
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Fuses Usage
01 Passenger Door Control Module
02 Driver Door Control Module
03 Liftgate Module 2
04 Truck Body Controller 3
05 Blank
06 Blank
07 Truck Body Controller 2
08 Power Seats
09 Rear Wiper
10 Driver Door Module
11 Ampli er
12 Passenger Door Module
13 Blank
14 Driver Side Rear Parking Lamps
15 Blank
16Vehicle Center High-Mounted
Stoplamp (CHMSL)
17Passenger Side Rear Parking
Lamps
18 Locks
19 Liftgate Module/Driver Seat Module
20 Blank
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Fuses Usage
21 Locks
22 Blank
23 Blank
24 Unlock
25 Ignition 0
26 Overhead Battery/OnStar
®System
27 Rainsense Wipers
28 Sunroof
29 Accessory
30 Parking Lamps
31 Truck Body Controller Accessory
32 Truck Body Controller 5
33 Front Wipers
34 Ignition 3
35 Vehicle Stop
36 Transmission Control Module
37 Heat Ventilation Air Conditioning B
Fuses Usage
38 Front Parking Lamps
39 Rear Left Turn Signal
40 Heat, Ventilation, Air Conditioning 1
41 Front Right Turn Signal
42 Radio
43 Trailer Park
44 Rear Right Turn Signal
45 Blank
46 Auxiliary Power 1
47 Blank
48 Ignition 0
49 Four Wheel Drive
50 Blank
51 Front Left Turn Signal
52 Brakes
53 Truck Body Controller 4
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