fuse CHEVROLET SILVERADO 2003 1.G Owner's Manual

Device Usage
CB SEATDriver and Passenger Seat
Module Circuit Breaker
CB RT DOORRight Power Windows Circuit
Breaker
SPARE Not Used
INFOInfotainment Harness
Connection
Underhood Fuse Block
The underhood fuse block in the engine compartment
on the driver's side of the vehicle near the battery.
Lift the cover for access to the fuse/relay block.
To remove fuses hold the end of the fuse between your
thumb and index ®nger and pull straight out.
See
Engine Compartment Overview on page 5-10for
more information on its location.
5-113

*1Ð Gasoline Engine and Diesel Engine.
*2Ð Gasoline Engine; ECMRPV Ð Diesel Engine.
*3Ð Gasoline Engine; FUEL HT Ð Diesel Engine.
*4Ð Gasoline Engine; ECM I Ð Diesel Engine.
*5Ð IGN/EDU
Fuses Usage
GLOW PLUGDiesel Glow Plugs and Intake
Air Heater
CUST FEED Gasoline Accessory Power
STUD #1Auxiliary Power (Single
Battery and Diesels Only)/
Dual Battery (TP2) Do not
install fuse.
MBECMid Bussed Electrical Center
Power Feed, Front Seats,
Right Doors
BLOWER Front Climate Control Fan
LBECLeft Bussed Electrical Center,
Door Modules, Door Locks,
Auxiliary Power OutletÐRear
Cargo Area and Instrument
Panel
Fuses Usage
STUD 2Accessory Power/Trailer
Wiring Brake Feed
ABS Anti-Lock Brakes
VSES/ECAS Vehicle Stability
IGN A Ignition Power
IGN B Ignition Power
LBEC 1Left Bussed Electrical Center,
Left Doors, Truck Body
Controller, Flasher Module
TRL PARK Parking Lamps Trailer Wiring
RR PARKRight Rear Parking and
Sidemarker Lamps
LR PARKLeft Rear Parking and
Sidemarker Lamps
PARK LP Parking Lamps Relay
STARTER Starter Relay
INTPARK Interior Lamps
STOP LP Stoplamps
TBC BATTTruck Body Controller Battery
Feed
SUNROOF Sunroof
5-115

Fuses Usage
SEO B2 Off-Road Lamps
4WSVent Solenoid
Canister/Quadrasteer Module
Power
RR HVAC Not Used
AUX PWRAuxiliary Power Outlet Ð
Console
IGN 1 Ignition Relay
PCM 1 Powertrain Control Module
ETC/ECMElectronic Throttle Control,
Electronic Brake Controller
IGN EInstrument Panel Cluster, Air
Conditioning Relay, Turn
Signal/Hazard Switch, Starter
Relay
RTD Ride Control
TRL B/U Backup Lamps Trailer Wiring
PCM BPowertrain Control Module,
Fuel Pump
F/PMP Fuel Pump (Relay)
B/U LPBack-up Lamps, Automatic
Transmission Shift Lock
Control SystemFuses Usage
RR DEFOG Rear Window Defogger
HDLP-HI Headlamp High Beam Relay
PRIME Not Used
02B Oxygen Sensors
SIRSupplemental In¯atable
Restraint System
FRT PARKFront Parking Lamps,
Sidemarker Lamps
DRLDaytime Running Lamps
(Relay)
SEO IGN Rear Defog Relay
TBC IGN1 Truck Body Controller Ignition
HI HDLP-LT High Beam Headlamp-Left
LH HID Not Used
DRL Daytime Running Lamps
IPC/DICInstrument Panel
Cluster/Driver Information
Center
HVAC/ECAS Climate Control Controller
CIG LTR Cigarette Lighter
HI HDLP-RT High Beam Headlamp-Right
HDLP-LOW Headlamp Low Beam Relay
5-116

Fuses Usage
A/C COMP Air Conditioning Compressor
A/C COMPAir Conditioning Compressor
Relay
RR WPR Not Used
RADIO Audio System
SEO B1Mid Bussed Electrical Center,
Rear Heated Seats,
HomeLink
LO HDLP-LT Headlamp Low Beam-Left
BTSIBrake Transmission Shift
Interlock System
CRANK Starting System
LO HDLP-RT Headlamp Low Beam-Right
FOG LP Fog Lamp RelayFuses Usage
FOG LP Fog Lamps
HORN Horn Relay
W/S WASHWindshield Washer Pump
Relay
W/S WASH Windshield Washer Pump
INFOOnStar/Rear Seat
Entertainment
RADIO AMP Radio Ampli®er
RH HID Not Used
HORN Horn
EAP Not Used
TREC All-Wheel Drive Module
SBA Supplemental Brake Assist
5-117

Bulb Replacement (cont.)
Taillamps....................................................5-65
Buying New Tires...........................................5-74
C
California Fuel.................................................. 5-5
Canada ± Customer Assistance.......................... 7-4
Canadian Owners................................................ ii
Canadian Roadside Assistance........................... 7-6
Capacities and Speci®cations..........................5-118
Car Washes for QUADRASTEERŸ Equipped
Vehicles.....................................................4-18
Carbon Monoxide...................4-48, 4-68, 2-13, 2-51
Care of........................................................5-103
Safety Belts..............................................5-103
Your Cassette Tape Player..........................3-123
Your CD and DVD Player...........................3-124
Your CDs and DVDs..................................3-124
CARGO LAMP ON.........................................3-65
Cargo Lamp...................................................3-17
Cassette Tape Messages.................................3-94
Cassette Tape Player Service...........................6-12
CD Adapter Kits.............................................3-95
Center Console Storage Area...........................2-65
Center High-Mounted Stoplamp (CHMSL) and
Cargo Lamp...............................................5-63
Center Instrument Panel Fuse Block................5-112
Center Passenger Position, Safety Belts.............1-24Chains, Tires..................................................5-78
CHANGE ENGINE OIL....................................3-66
Check Engine Light.........................................3-49
CHECK OIL LEVEL.........................................3-66
CHECK WASHER FLUID.................................3-66
Checking Brake Fluid......................................5-45
Checking Coolant............................................5-32
Checking Engine Oil........................................5-16
Checking Things Under the Hood....................... 5-8
Checking Your Restraint Systems......................1-81
Check...........................................................3-49
Engine Light...............................................3-49
Chemical Paint Spotting.................................5-106
Child Restraints..............................................1-38
Child Restraint Systems...............................1-38
Infants and Young Children...........................1-34
Lower Anchorages and Top Tethers for
Children (LATCH System)..........................1-47
Older Children.............................................1-31
Securing a Child Restraint Designed for the
LATCH System........................................1-49
Securing a Child Restraint in a Center Rear
Seat Position...........................................1-52
Securing a Child Restraint in a Rear Outside
Seat Position...........................................1-50
Securing a Child Restraint in the Center Front
Seat Position...........................................1-55
Securing a Child Restraint in the Right Front
Seat Position...................................1-55, 1-58
Top Strap Anchor Location............................1-44
3

D
Daytime Running Lamps..................................3-15
Defensive Driving............................................. 4-2
Defogging and Defrosting.........................3-23, 3-31
Delayed Locking............................................... 2-9
Dinghy Towing................................................4-55
Doing Your Own Service Work........................... 5-3
Dolly Towing..................................................4-57
Dome Lamps.................................................3-18
Door............................................................... 2-9
Delayed Locking........................................... 2-9
Locks.......................................................... 2-7
Power Door Locks......................................... 2-8
Programmable Automatic Door Locks.............2-10
Rear Door Security Locks.............................2-12
Rear Doors.................................................2-13
DRIVER DOOR AJAR.....................................3-66
Driver Information Center (DIC).........................3-54
DIC Operation and Displays..........................3-55
DIC Warnings and Messages........................3-65
Driver............................................................1-16
Position, Safety Belt.....................................1-16
Driving Across an Incline..................................4-34
Driving Downhill..............................................4-32
Driving in Mud, Sand, Snow or Ice....................4-36
Driving in Water..............................................4-37
Driving On Grades..........................................4-87
Driving on Off-Road Hills.................................4-28
Driving on Snow or Ice....................................4-49Driving Through Deep Standing Water...............4-41
Driving Through Flowing Water.........................4-41
Driving Uphill..................................................4-29
Driving with a Trailer.......................................4-86
Driving..........................................................4-38
At Night.....................................................4-38
City...........................................................4-42
Defensive..................................................... 4-2
Drunken....................................................... 4-2
Freeway.....................................................4-43
Hill and Mountain Roads..............................4-46
In Rain and on Wet Roads...........................4-39
Winter........................................................4-48
Dual Automatic Climate Control System.............3-25
Dual Climate Control System............................3-22
Dual Stage Air Bags........................................1-68
Dual Tire Operation.........................................5-70
DVD ............................................................3-125
Cleaning the Video Screen..........................3-125
Distortion..................................................3-122
Rear Seat Entertainment System..................3-111
DVD Player..................................................3-111
E
Easy Exit Seat...............................................2-67
Electrical System...........................................5-109
Add-On Equipment.....................................5-109
Fuses and Circuit Breakers.........................5-110
5

Electrical System (cont.)
Power Windows and Other Power Options....5-109
Windshield Wiper Fuses.............................5-109
Electrochromic Mirror Operation................2-54, 2-57
Electronic Transfer Case..................................2-41
Emissions Inspection and Maintenance
Programs...................................................3-51
ENGINE COOLANT HOT.................................3-66
Engine Coolant Level Check.............................6-12
Engine Hour Meter Display...............................3-35
Engine Oil Additives........................................5-19
Engine Oil and Chassis Lubrication Scheduled
Maintenance................................................. 6-5
Engine Oil Level Check...................................6-12
ENGINE OVERHEATED..................................3-66
Engine..........................................................5-21
Air Cleaner/Filter.........................................5-21
Battery.......................................................5-47
Check and Service Engine Soon Light............3-49
Compartment Overview................................5-10
Coolant Heater............................................2-24
Coolant Temperature Gage...........................3-47
Coolant......................................................5-30
Cooling System Inspection............................6-17
Exhaust.....................................................2-51
Fan Noise..................................................5-41
Oil .............................................................5-16
Overheating................................................5-33Engine (cont.)
Starting......................................................2-22
Entertainment System....................................3-125
Cleaning the Video Screen..........................3-125
DVD Distortion..........................................3-122
Entry Lighting.................................................3-18
Environmental Concerns..................................4-25
Exit Lighting...................................................3-18
Express Down Windows..................................2-16
Extended Cab and Crew Cab...........................1-50
Extended Cab................................................1-53
Extender, Safety Belt.......................................1-31
Exterior Lamps...............................................3-14
F
Filter.............................................................5-21
Engine Air Cleaner......................................5-21
Finding a PTY Station
(RDS and XMŸ).......................3-78, 3-88, 3-101
Finding a Station....................3-73, 3-76, 3-86, 3-99
Finish Care..................................................5-104
Finish Damage.............................................5-106
Five-Speed (VORTECŸ 4300 V6 and
4800 V8 Engines)........................................2-30
Five-Speed (VORTECŸ 6000 V8 Engine)...........2-29
Fixed Mast Antenna.......................................3-125
6

Flash-To-Pass Feature....................................... 3-9
Flat Tire, Changing.........................................5-80
Flat Tire........................................................5-79
Fluid.............................................................5-23
Automatic Transmission........................5-23, 5-26
Manual Transmission....................................5-28
Power Steering...........................................5-42
Windshield Washer......................................5-43
FM Stereo....................................................3-123
Fog Lamps....................................................3-16
Folding the Rear Seat....................................... 1-8
Following Distance..........................................4-86
Footnotes........................................................ 6-5
Four-Wheel Drive....................................2-33, 5-56
Four-Wheel-Drive Light....................................3-52
Front Axle Locking Feature...............................2-33
Front Axle......................................................5-57
Front Reading Lamps (If Equipped)...................3-18
Front Storage Area.........................................2-65
Fuel Information Button....................................3-57
FUEL LEVEL LOW.........................................3-66
Fuel............................................................... 5-4
Additives...................................................... 5-5
California Fuel.............................................. 5-5
Filling a Portable Fuel Container..................... 5-8
Filling Your Tank........................................... 5-6
Fuels in Foreign Countries.............................. 5-6Fuel (cont.)
Gage.........................................................3-53
Gasoline Octane........................................... 5-4
Gasoline Speci®cations.................................. 5-5
Low Warning Light.......................................3-54
System Inspection.......................................6-17
Fuses..........................................................5-110
Fuses and Circuit Breakers.........................5-110
Windshield Wiper.......................................5-109
G
Gage............................................................3-47
Engine Coolant Temperature.........................3-47
Fuel..........................................................3-53
Oil Pressure...............................................3-51
Speedometer..............................................3-35
Tachometer.................................................3-35
Transmission Temperature.............................3-47
Voltmeter Gage...........................................3-42
Gasoline......................................................... 5-4
Octane........................................................ 5-4
Speci®cations............................................... 5-5
Getting Familiar with Off-Road Driving................4-26
Glove Box.....................................................2-64
GM Mobility Program for Persons with
Disabilities.................................................... 7-5
7

Inspection (cont.)
Steering and Suspension..............................6-17
Throttle System...........................................6-18
Transfer Case and Front Axle
(All-Wheel Drive)......................................6-18
Transfer Case and Front Axle (Four-Wheel
Drive).....................................................6-18
Instrument Panel Brightness Control..................3-18
Instrument Panel Fuse Block..........................5-110
Instrument Panel.............................................3-34
Cluster.......................................................3-34
Overview..................................................... 3-4
Interior Lamps................................................3-18
J
Jump Starting.................................................5-48
K
Key Lock Cylinders Service..............................6-14
Key Release Button (Manual Transmission)........2-21
KEYFOB X BATTERY LOW.............................3-67
Keyless Entry System....................................... 2-4
Keys............................................................... 2-3
L
Lamps On Reminder.......................................3-15
Lamps...........................................................3-14
Exterior......................................................3-14
Interior.......................................................3-18
Lap Belt........................................................1-25
Lap-Shoulder Belt...........................................1-16
LATCH System...............................................1-47
Child Restraints...........................................1-47
Securing a Child Restraint Designed for the
LATCH System........................................1-49
Latches, Seatback............................................ 1-7
Leaving Your Vehicle With
the Engine Running
(Automatic Transmission Only).......................2-48
LEFT REAR DOOR AJAR (Crew Cab)...............3-67
Light.............................................................3-37
Air Bag Off .................................................3-37
Air Bag Readiness.......................................3-36
Anti-Lock Brake System Warning...................3-45
Battery Warning..........................................3-42
Brake System Warning.................................3-44
Cruise Control.............................................3-52
Four-Wheel-Drive.........................................3-52
Low Fuel Warning.......................................3-54
9

U
Underbody Flushing Service.............................6-16
Underhood Fuse Block...................................5-113
Understanding Radio Reception.......................3-123
Uniform Tire Quality Grading............................5-75
United States ± Customer Assistance.................. 7-4
Up-Shift Light.................................................3-43
Using Cleaner on Fabric................................5-101
Using Song List Mode...................................3-109
Using the Recovery Hooks...............................4-53
V
Vehicle Identi®cation......................................5-108
Number (VIN)............................................5-108
Service Parts Identi®cation Label..................5-109
Vehicle Personalization....................................2-66
Memory Seat..............................................2-66
Vehicle Storage..............................................5-48
Vehicle............................................................ 4-5
Control........................................................ 4-5
Damage Warnings........................................... iv
Loading......................................................4-58
Parking Your...............................................2-49
Symbols......................................................... iv
Video Screen................................................3-113
Visors...........................................................2-17
Voltmeter Gage..............................................3-42
W
Warning Lights, Gages and Indicators................3-33
Warnings.......................................................3-65
DIC Warnings and Messages........................3-65
Hazard Warning Flashers............................... 3-6
Other Warning Devices.................................. 3-6
Safety and Symbols......................................... iii
Vehicle Damage.............................................. iv
Washing Your Vehicle....................................5-103
Weatherstrip Lubrication...................................6-13
Weight of the Trailer Tongue.............................4-84
Weight of the Trailer........................................4-70
What Kind of Engine Oil to Use........................5-18
What to Add..................................................5-46
What to Do with Used Oil................................5-20
What to Use..................................5-31, 5-43, 5-55
Wheels..........................................................5-76
Alignment and Tire Balance..........................5-76
Replacement...............................................5-76
When to Add Engine Oil..................................5-17
When to Change Engine Oil
(GM Oil Life System)...................................5-19
When to Check and Change....................5-23, 5-26
When to Check and What to Use.....................5-30
When to Check Lubricant.................................5-55
When to Check Power Steering Fluid................5-42
When to Check......................................5-28, 5-70
When to Inspect.............................................5-21
18