Page 412 of 472
Fuses Usage
31 Truck Body Controller 1
32 Trailer
33 Antilock Brakes (ABS)
34 Ignition A
35 Blower Motor
36 Ignition B
50 Passenger Side Trailer Turn
51 Driver Side Trailer Turn
52 Hazard Flashers
53 Headlamp Driver Module
54 Air Injection Reactor (AIR) Solenoid
56 Air Injection Reactor (AIR) Pump
58Vehicle Stability Enhancement
System (StabiliTrak
®)
59 Regulated Voltage Control
Relays Usage
37 Headlamp Washer
38 Rear Window Wiper/Washer
39 Fog Lamps
40 Horn
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 Pedal
55 Air Injection Reactor (AIR) Solenoid
57 Powertrain
Miscellaneous Usage
48 Instrument Panel Battery
5-114
Page 413 of 472
Fuses Usage
1Electrically-Controlled Air
Suspension
2Passenger Side High-Beam
HeadlampFuses Usage
3Passenger Side Low-Beam
Headlamp
4 Back-Up-Trailer Lamps
5 Driver Side High-Beam Headlamp V8 Engine
5-115
Page 414 of 472
Fuses Usage
6 Driver Side Low-Beam Headlamp
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 Vent
16 Truck Body Controller, Ignition 1
17 Crank
18 Airbag
19 Trailer Electric BrakeFuses Usage
20 Cooling Fan
21 Horn
22 Ignition E
23 Electronic Throttle Control
24Instrument Panel Cluster, Driver
Information Center
25Automatic Shift Lock Control
System
26 Engine 1
27 Backup
28 Powertrain Control Module 1
29 Powertrain Control Module
30 Air Conditioning
31 Injector Bank A
32 Trailer
5-116
Page 415 of 472
Fuses Usage
33 Antilock Brakes (ABS)
34 Ignition A
35 Blower Motor
36 Ignition B
50 Passenger Side Trailer Turn
51 Driver Side Trailer Turn
52 Hazard Flashers
53 Transmission
54 Oxygen Sensor Bank B
55 Oxygen Sensor Bank A
56 Injector Bank B
57 Headlamp Driver Module
58 Body Controller 1
59 Electric Adjustable Pedal
61Vehicle Stability Enhancement
System (StabiliTrak
®)
62 Regulated Voltage Control
Relays Usage
37 Headlamp Washer
38 Rear Window Wiper
39 Fog Lamps
40 Horn
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 Pedal
60 Powertrain
Miscellaneous Usage
48 Instrument Panel Battery
5-117
Page 417 of 472
Fuses Usage
01 Passenger Door Control Module
02 Driver Door Control Module
03 Liftgate Module 2
04 Truck Body Controller 3
05 Rear Fog Lamps
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 Rear Climate Controls
14 Driver Side Rear Parking Lamps
15 BlankFuses Usage
16Vehicle Center High-Mounted
Stoplamp (CHMSL)
17Passenger Side Rear Parking
Lamps
18 Locks
19Liftgate Module/Driver Seat
Module
20 Blank
21 Lock
23 Blank
24 Unlock
25 Blank
26 Blank
27OnStar
®Overhead Battery,
OnStar®System
28 Sunroof
5-119
Page 418 of 472
Fuses Usage
29 Not Used
30 Parking Lamps
31 Truck Body Controller Accessory
32 Truck Body Controller 5
33 Front Wipers
34 Vehicle Stop
35 Transmission Control Module
36Heat Ventilation Air
Conditioning B
37 Front Parking Lamps
38 Driver Side Turn Signal
39Heat Ventilation Air
Conditioning 1
40 Truck Body Controller 4Fuses Usage
41 Radio
42 Trailer Park
43 Passenger Side 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
5-120
Page 462 of 472

D
Daytime Running Lamps..................................3-15
Defensive Driving............................................. 4-2
Delayed Locking............................................... 2-7
Diesel
Running Out of Fuel....................................2-36
Disc, MP3......................................................3-83
Doing Your Own Service Work........................... 5-4
Dome Lamp Override......................................3-17
Dome Lamps .................................................3-17
Door
Delayed Locking........................................... 2-7
Locks.......................................................... 2-6
Power Door Locks......................................... 2-7
Programmable Automatic Door Locks............... 2-8
Rear Door Security Locks.............................2-10
Driver Information Center (DIC).........................3-49
DIC Operation and Displays..........................3-50
DIC Vehicle Customization............................3-58
DIC Warnings and Messages........................3-53
Driving
At Night.....................................................4-26
Before a Long Trip......................................4-27
Defensive..................................................... 4-2
Drunken....................................................... 4-2
Highway Hypnosis.......................................4-28
Hill and Mountain Roads..............................4-28
In Rain and on Wet Roads...........................4-26
Off-Road ....................................................4-14Driving (cont.)
Recovery Hooks..........................................4-34
Rocking Your Vehicle to Get it Out.................4-34
Winter........................................................4-29
Dual Automatic Climate Control System.............3-24
Dual Climate Control System............................3-21
DVD
Rear Seat Entertainment System...................3-89
E
EDR .............................................................7-17
Electrical System
Add-On Equipment.....................................5-109
Engine Compartment Fuse Block.................5-111
Fuses and Circuit Breakers.........................5-110
Headlamps...............................................5-110
Power Windows and Other Power Options....5-110
Rear Underseat Fuse Block.........................5-118
Windshield Wiper Fuses.............................5-110
Electronic Immobilizer
PASS-Key
®III .............................................2-17
Electronic Immobilizer Operation
PASS-Key
®III+...........................................2-17
Electronically Controlled Air Suspension System....4-47
Engine
Air Cleaner/Filter.........................................5-24
Change Engine Oil Light...............................3-45
Check and Service Engine Soon Light............3-41
4
Page 463 of 472

Engine (cont.)
Coolant......................................................5-28
Coolant Heater............................................2-23
Coolant Temperature Gage...........................3-40
Drive Belt Routing.......................................6-16
Engine Compartment Overview......................5-12
Exhaust.....................................................2-36
Fan Noise..................................................5-37
Oil .............................................................5-17
Oil Life System...........................................5-22
Overheating................................................5-30
Reduced Power Light...................................3-46
Starting......................................................2-21
Entry Lighting.................................................3-18
Event Data Recorders.....................................7-17
Exit Lighting...................................................3-18
Extender, Safety Belt.......................................1-29
F
Filter
Engine Air Cleaner......................................5-24
Finish Damage.............................................5-107
Fixed Mast Antenna.......................................3-106
Flashers, Hazard Warning.................................. 3-6
Flash-to-Pass................................................... 3-8
Flat Tire........................................................5-84Flat Tire, Changing.........................................5-85
Flat Tire, Storing.............................................5-97
Fluid
Automatic Transmission................................5-25
Power Steering...........................................5-38
Windshield Washer......................................5-39
Fog Lamp
Fog ...........................................................3-16
Four-Wheel Drive....................................2-28, 5-50
Front Axle......................................................5-51
Fuel............................................................... 5-5
Additives...................................................... 5-6
California Fuel.............................................. 5-6
Check Gas Cap Light...................................3-48
Filling a Portable Fuel Container....................5-10
Filling the Tank............................................. 5-8
Fuels in Foreign Countries.............................. 5-7
Gage .........................................................3-48
Gasoline Octane........................................... 5-5
Gasoline Speci cations.................................. 5-6
Low Warning Light.......................................3-48
Running Out of...........................................2-36
Fuses
Engine Compartment Fuse Block.................5-111
Fuses and Circuit Breakers.........................5-110
Rear Underseat Fuse Block.........................5-118
Windshield Wiper.......................................5-110
5