fuse GMC SIERRA DENALI 2003 User Guide

Electrical System
Add-on Electrical Equipment
Notice: Don’t add anything electrical to your
vehicle unless you check with your dealer first.
Some electrical equipment can damage your vehicle
and the damage wouldn’t be covered by your
warranty. Some add-on electrical equipment can
keep other components from working as they
should.
Your vehicle has an air bag system. Before attempting
to add anything electrical to your vehicle, see
Servicing Your Air Bag-Equipped Vehicle on page 1-72.
Windshield Wiper Fuses
The windshield wiper motor is protected by an internal
circuit breaker and a fuse.
If the motor overheats due to
heavy snow, etc., the wiper will stop until the motor
cools. If the overload
is caused by some electrical
problem and not snow, etc., be sure to get it fixed.
Power Windows and Other Power
Options
Circuit breakers protect the power windows and other
power accessories. When the current load
is too heavy,
the circuit breaker opens and closes, protecting the
circuit until the problem is fixed or goes away.
Fuses and Circuit Breakers
The wiring circuits in your vehicle are protected from
short circuits by a combination of fuses, circuit breakers
and fusible thermal links. This greatly reduces the
chance of fires caused by electrical problems.
Look at the silver-colored band inside the fuse. If the
band is broken or melted, replace the fuse. Be sure you
replace a bad fuse with a new one
of the identical
size and rating.
If you ever have a problem on the road and don’t have
a spare fuse, you can borrow one that has the same
amperage. Just pick some feature of your vehicle
that you can get along without
- like the radio or
cigarette lighter - and use its fuse, if it is the correct
amperage. Replace it as soon as you can.
5-95

Instrument Panel Fuse Block
The fuse block access
door is on the driver's side
edge of the instrument
panel. Pull
off the cover to
access the fuse block.
You can remove fuses with a fuse extractor which
is
mounted to the fuse block access door. To remove
fuses,
if you don't have a fuse extractor, hold the end of
the fuse between your thumb and index finger and
pull straight out.
You may have spare fuses located behind the fuse
block access door. These can be used to replace
a bad
fuse. However, make sure it is of the correct amperage.
II
LT DOORS U
Fuses
SEO ACCY Not
Used
RR Wiper
Usage
TBC
ACCY Windshield Wipers
WS
WPR Accessory
Special Equipment Option
Ignition, Heated Seats
IGN 3
Accessory Truck Body Controller
5-96

DRIVER UNLOCK
Fuses Usage
LT TRLR ST/TRN Left Turn SignaVStop Trailer
LT TRN Left Turn Signals
and
Sidemarkers
VEH STOP
5-97

Center Instrument Panel Fuse Block
The center instrument panel utility block is located
underneath the instrument panel, to the left of the
steering column.
Device Special Equipment ODtion
SEO Usage
TRAILER Upfitter (Not Used)
UPFIT Trailer
Brake Wiring
1 SL RIDE I
Ride Control Harness
Connection
I Device I Usage I
HDLR 2
Bodv Wiring Connector
BODY Headliner Wiring
connector-
DEFOG Headliner Wiring Connector
1 HDLNR 1
Rear Defogger Relay
I SPARE RELAY I Not Used I
CB SEAT Driver
and Passenger Seat
Module Circuit Breaker
I CB RT DOOR I
Right Power Windows Circuit
Breaker
I
I SPARE I Not Used I
I INFO I
~-
Infotainment Harness
Connection
1
5-98

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 fusehelay block.
To remove fuses hold the end of the fuse between your
thumb and
index finger and pull straight out.
See
Engine Compartment Overview on page 5-12 for
more information on its location.
5-99

Replace cover after servicing. Remettre le couvercle en place.
I ? i I I I I I
I
I I I
I
I I I L I 1 I I L
B+
GLOW I PLUG
OR I
I CUST I FEED I I -_--l
NOTE: The function and FUNCTION/AMy-GAS
amperage of these fuses FONCTION/INTENSIT!-ESSENCE FONCTIONIINTENSITE-DIESEL ces fusibles sont diffbrentes pour les
FUNCTION/AMP-QlESEL * REMARQUE: La fonction
et I'intensitk de
are different for gas and INJ 2/15A EDU/25A moteurs essence et les rnoteurs diesel.
diesel fueled engines. See
Owners Manual for
functions
of studs #I and #2. ECMV15A f
tCMRPV/I5A
FUEL HT/15A Voir le Guide du propri6taire a pour
les fonctions des plots 1 et 2.
5- 1 00

*I - Gasoline Engine and Diesel Engine.
*2 - Gasoline Engine; ECMRPV - Diesel Engine.
*3 - Gasoline Engine; FUEL HT - Diesel Engine.
*4 - Gasoline Engine; ECM f - Diesel Engine.
*5 - IGN/EDU
r Fuses
GLOW PLUG
CUST FEED
STUD
#I
MBEC
BLOWER
LBEC Only)/ Dual Battery
(TP2)
Do not install fuse.
Mid Bussed Electrical Center
Power Feed, Front Seats,
Riaht Doors TRL
PARK Parking Lamps Trailer Wiring
RR PARK Right
Rear Parking and
Sidemarker LamDs
TBC BATT Truck Body
Controller Battery
I Feed
5-1 01

Fuses Usage
4WS Canister/QUADRASTEERTM
RR HVAC Not Used
Vent
Solenoid
Module Power
AUX PWR IGN
1 Ignition Relay
PCM
1
Auxiliary Power
Outlet
- Console
Electronic Throttle Control,
IGN E
Rday
RTD Ride Control
TRL B/U
PCM B
~~ ~-
Backup Lamps Trailer Wiring
Powertrain Control Module,
Fuel Pump
-. - . . -. . . .
F/PM P
B/U LP Transmission Shift Lock
r
Fuel Pump (Relay)
Back-up Lamps, Automatic
Control System
RR DEFOG Rear Window Defogger SIR
FRT PARK
DRL Daytime Running Lamps
I (Relav)
SEO IGN
TBC IGNI Truck Body Controller Ignition \~ ------I
Rear Defog Relay
HI HDLP-LT High Beam Headlamp-Left
LH HID Not Used
DRL Daytime Running Lamps
IPC/DIC Instrument
Panel
Cluster/Driver Information Center
5-1 02

Care of Your (cont.)
CD Player
................................ ... 3-84
CDS
.......................................................... 3-84
Cargo Lamp
............................. ... 3-14
CARGO LAMP
ON ....................... ... 3-56
Cassette Tape Messages
................................. 3-73
Cassette Tape Player Service
........................... 6-10
CD Adapter Kits
............................................. 3-74
CD Changer
................................................... 3-78
CD Functions
................................................. 3-80
Center Console Storage Area
........................... 2-39
Center High-Mounted Stoplamp (CHMSL) and
Center Instrument Panel Fuse Block
.................. 5-98
Center Passenger Position, Safety Belts
............. 1-22
Chains, Tires .................................................. 5-68
Check Cargo Lamp
............................................... 5-56
CHANGE ENGINE OIL .................................... 3-54
Engine Light
.................................... ... 3-38
Check Engine Light
.......................... ... 3-38
CHECK OIL LEVEL
..................................... 3-58
CHECK WASHER FLUID
................................. 3-58
Checking Brake Fluid
...................................... 5-40
Checking Coolant ............................................ 5-26
Checking Engine Oil
........................................ 5-14
Checking Things Under the Hood
...................... 5-10
Checking Your Restraint Systems ...................... 1-73
Chemical Paint Spotting
................................... 5-91 Child Restraints
Child Restraint Systems
............................... 1-36
Infants and Young Children
........................... 1-32
Lower Anchorages and Top Tethers for
Children
(LATCH System) .......................... 1-43
Older Children ............................................. 1-30
Securing a Child Restraint Designed for the
Securing a Child Restraint in a Center
Securing a Child Restraint in a Rear
Securing a Child Restraint in the Right
LATCH System
........................................ 1-46
Rear Seat Position
................................... 1-48
Outside Seat Position
............................ 1-46
Front Seat Position
................................... 1-50
Top Strap ................................................... 1-40
Top Strap Anchor Location
............................ 1-41
Cigarette Lighter
............................................. 3-17
Where
to Put the Restraint
........................... 1-38
Cleaning Inside of Your Vehicle
.................................. 5-86
Outside
of Your Vehicle ................................ 5-88
Underbody Maintenance
............................... 5-91
Weatherstrips
.............................................. 5-88
Cleaning Exterior Lamps/Lenses
....................... 5-89
Cleaning the Mirror
......................................... 2-30
Climate Control Dual Automatic
..... . 3-18

Driving Through Flowing Water ..................... 4-32
Driving with a Trailer
....................................... 4-56
Dual Automatic Climate Control System
.......... 3-18
E
Easy Exit Seat .................... .... 2-43
Electrical System
Add-on Equipment
...................................... 5-95
Fuses and Circuit Breakers
........................... 5-95
Power Windows and Other Power Options
...... 5-95
Windshield Wiper Fuses
............................... 5-95
Electrochromic Mirror Operation
........................ 2-28
Maintenance Programs
................................. 3-40
Air CleanedFilter
......................................... 5-1 9
Battery
....................................................... 5-42
Check and Service Engine Soon Light
............ 3-38
Coolant
...................................................... 5-24
Coolant Heater
............................................ 2-17
Coolant Temperature Gage
........................ 3-36
Cooling System Inspection
......................... 6-14
Engine Compartment Overview
...................... 5-1 2
Exhaust
..................................................... 2-26
Fan Noise
.................................................. 5-36
Oil
............................................................. 5-13
Overheating
................................................ 5-27
Starting
...................................................... 2-1 6
Emissions
Inspection and
Engine ENGINE COOLANT HOT
................................. 3-54
Engine Coolant Level Check
............................. 6-10
Engine Hour Meter Display
............................... 3-26
Engine
Oil and Chassis Lubrication Scheduled
Engine
Oil Additives
........................................ 5-17
Engine Oil Level Check
................................... 6-10
Entry Lighting
......................... ............. 3-15
Maintenance
................................................. 6-5
ENGINE OVERHEATED
.................................. 3-54
Erasing HomeLink@ Buttons
...... ......... 2-38
Exit Lighting
............................... ............. 3-15
Express-Down Windows
................................... 2-11
Extender, Safety Belt
....................................... 1-29
Exterior Lamps
............................................... 3-11
F
FabridCarpet ................................................. 5-87
Engine Air Cleaner
...................................... 5-19
Filter
Finding
a PTY Station
(RDS, XMTM and DAB)
................................. 3-67
Finding a Station
............................................ 3-64
Finish Care
.................................................... 5-89
Finish Damage
............................................... 5-91
Fixed Mast Antenna
........................................ 3-84
Flash-To-Pass Feature
....................................... 3-6
Flat Tire
........................................................ 5-68
Flat Tire, Changing
......................................... 5-69