2003 GMC SIERRA DENALI fuses

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

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

Fluid Automatic Transmission
................................ 5-21
Power Steering
........................................... 5-37
Windshield Washer
...................................... 5-38
FM Stereo
..................................................... 3-82
Fog Lamps
.................................................... 3-14
Folding the Rear Seat
....................................... 1-7
Following Distance
.......................................... 4-57
Footnotes
........................................................ 6-5
Front Axle
...................................................... 5-51
Front Reading Lamps
...................................... 3-15
Fuel
............................................................... 5-5
Additives ...................................................... 5-6
California Fuel
.............................................. 5-6
Filling a Portable Fuel Container
..................... 5-9
Filling Your Tank
........................................... 5-7
Fuels in Foreign Countries .............................. 5-7
Gage ......................................................... 3-42
Gasoline Octane
........................................... 5-5
Gasoline Specifications .................................. 5-5
Low Warning Light ....................................... 3-42
System Inspection
....................................... 6-14
Fuel Information Button
.................................... 3-46
FUEL LEVEL LOW
......................................... 3-58
Fuses Fuses and Circuit Breakers
........................... 5-95
Windshield Wiper ......................................... 5-95
G
Gage
Engine Coolant Temperature
......................... 3-36
Fuel
.......................................................... 3-42
Oil Pressure
........................................... 3-40
Speedometer
.......................................... 3-26
Tachometer
................................................. 3-26
Transmission Temperature
............................. 3-36
Voltmeter Gage
........................................... 3-33
Garage Door Opener
....................................... 2-35
Gasoline
Octane
.................................................... 5-5
Specifications
............................................... 5-5
Glass Surfaces ............................................... 5-88
Glove Box
..................................................... 2-39
GM Mobility Program for Persons with
Disabilities
.................................................... 7-5
Gate
Operator and Canadian Programming
........ 2-37
Hazard Warning Flashers
............................... 3-3
Head Restraints
............................................... 1-6
Headlamp High/Low Beam Changer
.................... 3-6
Headlamps
.................................................... 5-52
Bulb Replacement
....................................... 5-52
Front Turn Signal, Sidemarker and Daytime
Running Lamps
........................................ 5-53

When to Check Power Steering Fluid ................ 5-37
Parking on a Hill
......................................... 4-59
When
You Are Ready to Leave After
Where to Put the Restraint
............................... 1-38
Why Safety Belts Work
..................................... 1-9
Windows
....................................................... 2-10
Power
........................................................ 2-11
Swing-Out Windows
..................................... 2-11
Windshield and Wiper Blades
........................... 5-90
Windshield Washer
........................................... 3-7
Fluid
.......................................................... 5-38
Windshield Washer Fluid Level Check
................ 6-10
Windshield Wiper
Blade Replacement
...................................... 5-60
Fuses
........................................................ 5-95 Windshield
Wipers
............................................ 3-6
Winter Driving
................................................ 4-38
Wiper Blade Check
......................................... 6-11
Wood Panels
................................................. 5-87
X
XMTM Satellite Radio Antenna System ................ 3-84
XMTM Satellite Radio Service
............................ 3-82
Your Vehicle and the Environment
........., .......... 6-2
16