Page 472 of 534
Fuses Usage
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
54Air Injection Reactor (AIR)
Solenoid
56 Air Injection Reactor (AIR) Pump
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 Pedal
55 Air Injection Reactor (AIR) Solenoid
57 Powertrain
58Vehicle Stability Enhancement
System (StabiliTrak
®)
Miscellaneous Usage
48 Instrument Panel Battery
5-112
Page 473 of 534
Fuses Usage
1Electrically-Controlled Air
Suspension
2Passenger’s Side High-Beam
HeadlampFuses Usage
3Passenger’s Side Low-Beam
Headlamp
4 Back-Up-Trailer Lamps V8 Engine
5-113
Page 474 of 534
Fuses Usage
5Driver’s Side High-Beam
Headlamp
6Driver’s Side Low-Beam
Headlamp
7Rear Window Washer, Headlamp
Washer
8 Automatic Transfer Case
9 Windshield Washer
10 Powertrain Control Module B
11 Fog Lamps
12 Stop Lamp
13 Cigarette Lighter
14 Ignition Coils
15 Canister Vent
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
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
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 Transmission
54 Oxygen Sensor Bank B
55 Oxygen Sensor Bank A
56 Injector Bank B
5-114
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Fuses Usage
57 Headlamp Driver Module
58 Body Controller 1
59 Electric Adjustable Pedal
61Vehicle Stability Enhancement
System (StabiliTrak
®)
Relays Usage
37 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 Module
47 Starter
49 Electric Adjustable Pedal
60 Powertrain
Miscellaneous Usage
48 Instrument Panel Battery
Rear Underseat Fuse Block
TrailBlazer
5-115
Page 525 of 534

H
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-9
Headlamps....................................................3-13
Automatic Headlamp System.........................3-15
Bulb Replacement.......................................5-53
Daytime Running Lamps...............................3-14
Electrical System.......................................5-108
Flash-to-Pass............................................... 3-8
Halogen Bulbs............................................5-53
High/Low Beam Changer................................ 3-8
On Reminder..............................................3-14
Heated Seats................................................... 1-5
Heater...........................................................3-19
Heater...........................................................3-22
Highbeam On Light.........................................3-47
Highway Hypnosis...........................................4-39
Hill and Mountain Roads..................................4-40
Hood
Checking Things Under................................5-10
Release.....................................................5-11
Horn ............................................................... 3-6
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-20
I
Ignition Positions.............................................2-20
Infants and Young Children, Restraints...............1-36
In ation - Tire Pressure...................................5-64
Instrument Panel
Overview..................................................... 3-4
Instrument Panel (I/P)
Brightness..................................................3-16
Cluster.......................................................3-31
J
Jump Starting.................................................5-45
K
Keyless Entry System....................................... 2-5
Keys............................................................... 2-3
7
Page 526 of 534

L
Labeling, Tire Sidewall.....................................5-59
Lamps
Battery Run-Down Protection.........................3-18
Dome ........................................................3-16
Dome Lamp Override...................................3-17
Fog ...........................................................3-16
Reading.....................................................3-17
LATCH System
Child Restraints...........................................1-43
Liftglass/Liftgate..............................................2-13
Light
Airbag Readiness........................................3-34
Anti-Lock Brake System Warning...................3-40
Brake System Warning.................................3-39
Change Engine Oil......................................3-46
Charging System.........................................3-37
Check Gages Warning.................................3-49
Check Gas Cap..........................................3-50
Cruise Control.............................................3-47
Gate Ajar...................................................3-49
Highbeam On.............................................3-47
Low Fuel Warning.......................................3-50
Low Tire Pressure Warning Light...................3-40
Malfunction Indicator....................................3-42
Passenger Airbag Status Indicator..................3-35Light (cont.)
Passenger Safety Belt Reminder....................3-33
Reduced Engine Power................................3-47
Safety Belt Reminder...................................3-33
Security.....................................................3-46
Service All-Wheel-Drive................................3-48
Service Four-Wheel-Drive Warning Light.........3-48
StabiliTrak
®Indicator....................................3-41
StabiliTrak®Service......................................3-41
Lighting
Entry.........................................................3-17
Exit...........................................................3-17
Limited-Slip Rear Axle....................................... 4-9
Loading Your Vehicle.......................................4-48
Locking Rear Axle............................................ 4-9
Locks
Delayed Locking........................................... 2-9
Door ........................................................... 2-8
Lockout Protection.......................................2-12
Power Door.................................................. 2-9
Programmable Automatic Door Locks.............2-10
Rear Door Security Locks.............................2-12
Loss of Control...............................................4-18
Luggage Carrier..............................................2-57
Lumbar
Manual Controls............................................ 1-4
Power Controls............................................. 1-4
8