
Fuses Usage
21 Power Door Lock 1 (Lock Feature)
22 Driver Information Center (DIC)
23 Rear Wiper
24 Not Used
25Driver Seat Module, Remote
Keyless Entry System
26 Not Used
Harness
ConnectorUsage
LT DR Driver Door Harness Connection
BODY Harness Connector
BODY Harness Connector
Center Instrument Panel Fuse Block
The center instrument panel fuse block is located
underneath the instrument panel, to the left of the
steering column.
Top View
Harness
ConnectorUsage
BODY 2 Body Harness Connector 2
BODY 1 Body Harness Connector 1
5-108

Harness
ConnectorUsage
BODY 3 Body Harness Connector 3
HEADLINER 3 Headliner Harness Connector 3
HEADLINER 2 Headliner Harness Connector 2
HEADLINER 1 Headliner Harness Connector 1
SEO/UPFITTERSpecial Equipment Option Up tter
Harness Connector
Circuit Breaker Usage
CB1Passenger Side Power Window
Circuit Breaker
CB2 Passenger Seat Circuit Breaker
CB3 Driver Seat Circuit Breaker
CB4 Rear Sliding Window
Underhood Fuse Block
The underhood fuse block is located in the engine
compartment, on the driver side of the vehicle.
To access the fuse/relay block, push in on the tabs on
the end of the fuse/relay block cover and lift.
Notice:Spilling liquid on any electrical components
on your vehicle may damage it. Always keep the
covers on any electrical component.
To remove fuses, hold the end of the fuse between your
thumb and index nger and pull straight out.
5-109

Fuses Usage
1 Right Trailer Stop/Turn Lamp
2Electronic Stability Suspension
Control, Automatic Level Control
Exhaust
3 Left Trailer Stop/Turn Lamp
4 Engine Controls
5Engine Control Module,
Throttle Control
Fuses Usage
6 Trailer Brake Controller
7 Front Washer
8 Oxygen Sensors
9 Antilock Brakes System 2
10 Trailer Back-up Lamps
11 Driver Side Low-Beam Headlamp
12 Engine Control Module (Battery)
13Fuel Injectors, Ignition Coils
(Right Side)
14Transmission Control Module
(Battery)
15 Vehicle Back-up Lamps
16Passenger Side Low-Beam
Headlamp
17 Air Conditioning Compressor
18 Oxygen Sensors
19 Transmission Controls (Ignition)
20 Fuel Pump
21 Fuel System Control Module
22 Headlamp Washers
23 Rear Windshield Washer
5-110

Fuses Usage
24Fuel Injectors, Ignition Coils
(Left Side)
25 Trailer Park Lamps
26 Driver Side Park Lamps
27 Passenger Side Park Lamps
28 Fog Lamps
29 Horn
30Passenger Side High-Beam
Headlamp
31 Daytime Running Lamps
32 Driver Side High-Beam Headlamp
33 Daytime Running Lights 2
34 Sunroof
35Key Ignition System, Theft Deterrent
System
36 Windshield Wiper
37 SEO B2 Up tter Usage (Battery)
38 Electric Adjustable Pedals
39 Climate Controls (Battery)
40 Airbag System (Ignition)
41 Ampli erFuses Usage
42 Audio System
43Miscellaneous (Ignition),
Cruise Control
44 Liftgate Release
45 Airbag System (Battery)
46 Instrument Panel Cluster
47 Power Take-Off
48Auxiliary Climate Control (Ignition),
Compass-Temperature Mirror
49Center High-Mounted Stoplamp
(CHMSL)
50 Rear Defogger
51 Heated Mirror
52 SEO B1 Up tter Usage (Battery)
53Cigarette Lighter, Auxiliary Power
Outlet
54Automatic Level Control Compressor
Relay, SEO Up tter Usage
55 Climate Controls (Ignition)
56Engine Control Module, Secondary
Fuel Pump (Ignition)
5-111

J-Case Fuses Usage
57 Cooling Fan 1
58 Automatic Level Control Compressor
59 Heavy Duty Antilock Brake System
60 Cooling Fan 2
61 Antilock Brake System 1
62 Starter
63 Stud 2 (Trailer Brakes)
64 Left Bussed Electrical Center 1
65 Electric Running Boards
66 Heated Windshield Washer System
67 Four-Wheel Drive System
68Stud 1 (Trailer Connector Battery
Power)
69 Mid-Bussed Electrical Center 1
70 Climate Control Blower
71 Power Liftgate Module
72 Left Bussed Electrical Center 2Relays Usage
FAN HI Cooling Fan High Speed
FAN LO Cooling Fan Low Speed
FAN CNTRL Cooling Fan Control
HDLP LO/HID Hi Intensity Discharge Headlamp
FOG LAMP Front Fog Lamps
A/C CMPRSR Air Conditioning Compressor
STRTR Starter
PWR/TRN Powertrain
FUEL PMP Fuel Pump
PRK LAMP Parking Lamps
REAR DEFOG Rear Defogger
RUN/CRANK Switched Power
5-112

Customer Assistance Information (cont.)
Reporting Safety Defects to
General Motors........................................7-15
Reporting Safety Defects to the
Canadian Government..............................7-15
Reporting Safety Defects to the
United States Government.........................7-14
Roadside Service.......................................... 7-6
Service Publications Ordering Information........7-15
D
Daytime Running Lamps..................................3-20
Defensive Driving............................................. 4-2
Delayed Locking.............................................2-11
Diesel
Running Out of Fuel....................................2-39
Differential, Locking........................................... 4-5
Disc, MP3......................................................3-87
Doing Your Own Service Work........................... 5-4
Dome Lamp Override......................................3-22
Dome Lamps .................................................3-22
Door
Delayed Locking..........................................2-11
Locks........................................................2-10
Power Door Locks.......................................2-10
Programmable Automatic Door Locks.............2-11
Rear Door Security Locks.............................2-11Driver Information Center (DIC).........................3-48
DIC Operation and Displays..........................3-48
DIC Vehicle Customization............................3-59
DIC Warnings and Messages........................3-52
Driving
At Night.....................................................4-26
Before a Long Trip......................................4-28
Defensive..................................................... 4-2
Drunken....................................................... 4-2
Highway Hypnosis.......................................4-28
Hill and Mountain Roads..............................4-29
In Rain and on Wet Roads...........................4-26
Off-Road ....................................................4-12
Recovery Hooks..........................................4-34
Rocking Your Vehicle to Get it Out.................4-34
Winter........................................................4-30
Dual Automatic Climate Control System.............3-26
DVD
Rear Seat Entertainment System...................3-92
E
EDR .............................................................7-16
Electrical System
Add-On Equipment.....................................5-106
Center Instrument Panel Fuse Block.............5-108
Fuses and Circuit Breakers.........................5-106
Instrument Panel Fuse Block.......................5-107
4

Electrical System (cont.)
Power Windows and Other Power Options.......5-106
Underhood Fuse Block...............................5-109
Windshield Wiper Fuses.............................5-106
Electronic Immobilizer
PASS-Key
®III+...........................................2-22
Electronic Immobilizer Operation
PASS-Key
®III+...........................................2-23
Engine
Air Cleaner/Filter.........................................5-17
Check and Service Engine Soon Light............3-43
Coolant......................................................5-23
Coolant Heater............................................2-28
Coolant Temperature Gage...........................3-42
Drive Belt Routing.......................................6-16
Engine Compartment Overview......................5-12
Exhaust.....................................................2-38
Fan Noise..................................................5-32
Oil .............................................................5-14
Oil Life System...........................................5-16
Overheated Protection Operating Mode...........5-28
Overheating................................................5-26
Starting......................................................2-26
Entry Lighting.................................................3-22
Event Data Recorders.....................................7-17
Exit Lighting...................................................3-22
Extender, Safety Belt.......................................1-48
Exterior Lamps...............................................3-16
F
Filter
Engine Air Cleaner......................................5-17
Finish Damage.............................................5-103
Flashers, Hazard Warning.................................. 3-6
Flat Tire........................................................5-76
Flat Tire, Changing.........................................5-77
Flat Tire, Storing.............................................5-91
Fluid
Automatic Transmission................................5-20
Power Steering...........................................5-33
Windshield Washer......................................5-34
Fog Lamp
Fog ...........................................................3-21
Fog Lamp Light..............................................3-46
Front Axle......................................................5-46
Fuel............................................................... 5-5
Additives...................................................... 5-6
California Fuel.............................................. 5-5
Filling a Portable Fuel Container..................... 5-9
Filling the Tank............................................. 5-7
Fuels in Foreign Countries.............................. 5-6
Gage .........................................................3-47
Gasoline Octane........................................... 5-5
Gasoline Speci cations.................................. 5-5
Running Out of...........................................2-39
5

Fuses
Center Instrument Panel Fuse Block.............5-108
Fuses and Circuit Breakers.........................5-106
Instrument Panel Fuse Block.......................5-107
Underhood Fuse Block...............................5-109
Windshield Wiper.......................................5-106
G
Gage
Engine Coolant Temperature.........................3-42
Fuel..........................................................3-47
Speedometer..............................................3-35
Tachometer.................................................3-35
Garage Door Opener.......................................2-54
Garment Hooks..............................................2-62
Gasoline
Octane........................................................ 5-5
Speci cations............................................... 5-5
Glove Box.....................................................2-61
GM Mobility Reimbursement Program.................. 7-6
H
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-9
Headlamp
Aiming .......................................................5-46Headlamps
Bulb Replacement.......................................5-49
Daytime Running Lamps...............................3-20
Exterior Lamps............................................3-16
High Intensity Discharge (HID) Lighting...........5-49
High/Low Beam Changer................................ 3-9
On Reminder..............................................3-20
Heated Seats............................................1-4, 1-5
Heated Steering Wheel..................................... 3-7
Heater
Engine Coolant...........................................2-28
Heater...........................................................3-26
Highbeam On Light.........................................3-47
High-Speed Operation, Tires.............................5-61
Highway Hypnosis...........................................4-28
Hill and Mountain Roads..................................4-29
Hood
Checking Things Under................................5-10
Release.....................................................5-10
Horn ............................................................... 3-6
How to Wear Safety Belts Properly...................1-33
I
Ignition Positions.............................................2-25
Infants and Young Children, Restraints...............1-52
In ation - Tire Pressure...................................5-60
6