Page 413 of 470
Fuses Usage
1Electrically-Controlled Air
Suspension
2Passenger’s Side High-Beam
HeadlampFuses Usage
3Passenger’s Side Low-Beam
Headlamp
4 Back-Up-Trailer Lamps L6 Engine
5-97
Page 414 of 470
Fuses Usage
5 Driver’s Side High-Beam Headlamp
6 Driver’s Side Low-Beam Headlamp
7 Rear Window Washer
8 Automatic Transfer Case
9 Windshield Washer
10 Powertrain Control Module B
11 Fog Lamps
12 Stoplamp
13 Cigarette Lighter
14 Not Used
15 Electric Adjustable Pedal
16 Truck Body Controller, Ignition 1
17 Crank
18 Airbag
19 Trailer Electric Brake
20 Cooling Fan
21 Horn
22 Ignition E
23 Electronic Throttle ControlFuses Usage
24Instrument 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
53 Headlamp Driver Module
54 Air Injection Reactor (AIR) Solenoid
56 Air Injection Reactor (AIR) Pump
5-98
Page 415 of 470
Relays Usage
37 Blank or Headlamp Washer
38 Rear Window 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 ModuleRelays Usage
47 Starter
49 Electric Adjustable Pedal
55 Air Injection Reactor (AIR) Solenoid
57 Powertrain
58Vehicle Stability Enhancement
System (StabiliTrak
®)
Miscellaneous Usage
48 Instrument Panel Battery
5-99
Page 416 of 470
Fuses Usage
1Electrically-Controlled
Air Suspension
2Passenger’s Side High-Beam
HeadlampFuses Usage
3Passenger’s Side Low-Beam
Headlamp
4 Back-Up-Trailer Lamps
5 Driver’s Side High-Beam Headlamp V8 Engine
5-100
Page 418 of 470
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
49 Electric Adjustable Pedal
60 Powertrain
Miscellaneous Usage
48 Instrument Panel Battery
Rear Underseat Fuse Block
5-102
Page 462 of 470

G
Gage
Check Gages Warning Light..........................3-41
Engine Coolant Temperature.........................3-35
Fuel..........................................................3-42
Oil Pressure...............................................3-38
Speedometer..............................................3-27
Tachometer.................................................3-27
Voltmeter Gage...........................................3-32
Garage Door Opener.......................................2-43
Gasoline
Octane........................................................ 5-5
Speci cations............................................... 5-5
Gate Ajar Light...............................................3-41
Glove Box.....................................................2-46
GM Mobility Reimbursement Program.................. 7-5
H
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-5
Headlamps....................................................3-13
Automatic Headlamp System.........................3-14
Bulb Replacement.......................................5-47
Daytime Running Lamps...............................3-14
Electrical System.........................................5-95
Flash-to-Pass............................................... 3-8Headlamps (cont.)
Halogen Bulbs............................................5-47
Headlamps, Front Turn Signal, Sidemarker,
and Parking Lamps..................................5-48
High/Low Beam Changer................................ 3-8
Heated Seats................................................... 1-3
Heater...........................................................3-19
Highbeam On Light.........................................3-40
Highway Hypnosis...........................................4-37
Hill and Mountain Roads..................................4-38
Hood
Checking Things Under................................5-10
Release.....................................................5-11
Horn............................................................... 3-6
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-13
I
Ignition Positions.............................................2-18
Infants and Young Children, Restraints...............1-29
In ation - Tire Pressure...................................5-58
Instrument Panel
Overview..................................................... 3-4
Instrument Panel (I/P)
Brightness..................................................3-16
Cluster.......................................................3-26
6
Page 463 of 470

J
Jump Starting.................................................5-40
K
Keyless Entry System....................................... 2-4
Keys............................................................... 2-3
L
Labeling, Tire Sidewall.....................................5-53
Lamps
Battery Run-Down Protection.........................3-17
Dome........................................................3-16
Dome Lamp Override...................................3-16
Fog ...........................................................3-15
Reading.....................................................3-17
LATCH System
Child Restraints...........................................1-37
Liftgate/Liftglass..............................................2-12
Liftglass/Liftgate..............................................2-12
Light
Airbag Readiness........................................3-29
Anti-Lock Brake System Warning...................3-34
Brake System Warning.................................3-33
Charging System.........................................3-32
Check Gages Warning.................................3-41Light (cont.)
Check Gas Cap..........................................3-42
Cruise Control.............................................3-39
Gate Ajar...................................................3-41
Highbeam On.............................................3-40
Low Fuel Warning.......................................3-42
Malfunction Indicator....................................3-36
Passenger Airbag Status Indicator..................3-30
Passenger Safety Belt Reminder....................3-28
Reduced Engine Power................................3-40
Safety Belt Reminder...................................3-28
Security.....................................................3-39
Service All-Wheel-Drive................................3-41
StabiliTrak
®Indicator....................................3-35
StabiliTrak®Service......................................3-34
Lighting
Entry.........................................................3-17
Exit...........................................................3-17
Loading Your Vehicle.......................................4-45
Locking Rear Axle............................................ 4-8
Lockout Protection..........................................2-11
Locks
Delayed Locking........................................... 2-8
Door........................................................... 2-7
Lockout Protection.......................................2-11
Power Door.................................................. 2-8
Programmable Automatic Door Locks............... 2-9
Rear Door Security Locks.............................2-11
7