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Fuses Usage
1Electronically Controlled Air
Suspension
2Passenger’s Side Headlamp
High Beam
3Passenger’s Side Headlamp
Low Beam
4 Trailer Back-Up
5 Driver’s Side Headlamp High Beam
6 Driver’s Side Headlamp Low Beam
7 Washer
8 Automatic Transfer Case
9 Windshield Washer
10 Powertrain Control Module B
11 Fog Lamps
12 Stoplamp
13 Cigar Lighter
15 Electric Adjustable Pedals
16 Ignition B
18 Airbag System
19 Electric BrakeFuses Usage
20 Cooling Fan
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
28 Powertrain Control Module I
29 Oxygen Sensor
30 Air Conditioning
31 Truck Body Controller 1
50 Passenger’s Side Trailer Turn
51 Driver’s Side Trailer Turn
52 Hazard Flashers
53 Headlamp Driver Module
54 Air Injection Reactor Solenoid
57 Ignition A
5-100
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J-Case Fuses Usage
32 Trailer
33 Anti-lock Brake System
34 Ignition A
35 Driver’s Side Headlamp
36 Blower Motor
56 Trailer Turn Signal, Stoplamp
58 Passenger’s Side Headlamp
Relays Usage
37 Headlamp Washer
38 Rear Windshield Washer
39 Fog Lamps
40 Horn
41 Fuel Pump
42 Windshield Washer
Relays Usage
43 High-Beam Headlamp
44 Air Conditioning
45 Cooling Fan
46 Headlamp Driver Module
47 Starter
49 Electric Adjustable Pedals
55 Air Injection Reactor Solenoid
59 Low-Beam Headlamp
60 Ignition 1
61 Powertrain
62Vehicle Stability Enhancement
System (StabiliTrak
®)
Misc. Usage
48 Instrument Panel Battery
5-101
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Page 385 of 434

Fuses Usage
1Electrically Controlled Air
Suspension
2Passenger’s Side Headlamp
High-Beam
3Passenger’s Side Headlamp
Low-Beam
4 Trailer Back-Up
5 Driver’s Side Headlamp High-Beam
6 Driver’s Side Headlamp Low-Beam
7 Washer
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 System
19 Electric Brake
20 Cooling Fan
21 HornFuses Usage
22 Ignition E
23 Electronic Throttle Control
24Instrument Panel Cluster/Driver
Information Center
25 Brake Transmission Shift Interlock
26 Engine 1
27 Backup
28 Engine Control Module 1
29 Engine Control Module
30 Air Conditioning
31 Injector Bank A
50 Passenger’s Side Trailer Turn
51 Driver’s Side Trailer Turn
52 Hazard Flashers
53 Transmission
54 Oxygen Sensor B
55 Oxygen Sensor A
56 Injector Bank B
57 Headlamp Driver Module
58 Truck Body Controller 1
59 Electric Adjustable Pedals
61 Ignition A
5-103
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J-Case Fuses Usage
17 Trailer Turn Signal, Stoplamp
32 Trailer
33 Anti-lock Brake System
34 Ignition A
35 Blower Motor
36 Driver’s Side Headlamp
62 Passenger’s Side Headlamp
65Vehicle Stability Enhancement
System (StabiliTrak
®)
Relays Usage
37 Headlamp Washer
38 Rear Window Washer
39 Fog Lamps
40 Horn
Relays Usage
41 Fuel Pump
42 Windshield Washer
43 High-Beam Headlamp
44 Air Conditioning
45 Cooling Fan
46 Headlamp Driver Module
47 Starter
49 Electric Adjustable Pedals
60 Powertrain
63 Low-Beam Headlamp
64 Ignition 1
Misc. Usage
48 Instrument Panel Battery
5-104
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Fuses Usage
35 Vehicle Stop
36 Transmission Control Module
37 Heat Ventilation Air Conditioning B
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 SignalFuses Usage
45 Blank
46 Auxiliary Power 1
47 Blank
48 Ignition 0
49 Not Used
50 Blank
51 Front Left Turn Signal
52 Brakes
53 Truck Body Controller 4
5-107
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