2004 GMC YUKON DENALI fuses

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.
To remove fuses, hold the end of the fuse between your
thumb and index ®nger 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.
5-104

Fuses Usage
RR Wiper Rear Window Wiper Switch
SEO ACCYSpecial Equipment Option
Accessory
WS WPR Windshield Wipers
TBC ACCYTruck Body Controller
Accessory
IGN 3 Ignition, Heated Seats
4WDFour-Wheel Drive System,
Auxiliary Battery
HTR A/C Climate Control System
LOCKPower Door Lock Relay
(Lock Function)
HVAC 1Inside Rearview Mirror,
Climate Control System
L DOORDriver's Door Harness
Connection
CRUISE Cruise Control
UNLOCKPower Door Lock Relay
(Unlock Function)
RR FOG LP Rear Fog Lamp (Export Only)
BRAKE Anti-Lock Brake System
DRIVER UNLOCKPower Door Lock Relay
(Driver's Door Unlock
Function)
IGN 0 PCM, TCM
TBC IGN 0 Truck Body ControllerFuses Usage
VEH CHMSLVehicle and Trailer High
Mounted Stoplamp
LT TRLR ST/TRN Left Turn Signal/Stop Trailer
LT TRNLeft Turn Signals and
Sidemarkers
VEH STOPVehicle Stoplamps, Brake
Module, Electronic Throttle
Control Module
RT TRLR ST/TRN Right Turn Signal/Stop Trailer
RT TRNRight Turn Signals and
Sidemarkers
BODY Harness Connector
DDM Driver Door Module
AUX PWR 2Rear Cargo Area Power
Outlets
LOCKS Power Door Lock System
ECCRear Electronic Climate
Control, Liftgate
TBC 2C Truck Body Controller
FLASH Flasher Module
CB LT DOORSLeft Power Window Circuit
Breaker
TBC 2B Truck Body Controller
TBC 2A Truck Body Controller
5-105

Underhood Fuse BlockThe 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 5-12for
more information on its location.
5-107

*1Ð Gasoline Engine and Fuel Injection Rail #2.
*2Ð Gasoline Engine and Fuel Injection Rail #1.
*3Ð Gasoline Engine; Oxygen Sensors.
*4Ð Gasoline Engine; Oxygen Sensors.
*5Ð PCM Ignition
Fuses Usage
GLOW PLUG Not Used
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
STUD 2Accessory Power/Trailer
Wiring Brake Feed
Fuses Usage
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
SEO B2 Off-Road Lamps
4WSVent Solenoid
Canister/Quadrasteer Module
Power
5-109

Fuses Usage
RR HVAC Rear Climate Control
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 System
RR DEFOG Rear Window Defogger
HDLP-HI Headlamp High Beam Relay
PRIME Not UsedFuses Usage
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
A/C COMP Air Conditioning Compressor
A/C COMPAir Conditioning Compressor
Relay
5-110

Fuses Usage
RR WPR Rear Wiper/Washer
RADIO Audio System
SEO B1Mid Bussed Electrical Center,
HomeLink, Rear Heated
Seats
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 Relay
FOG LP Fog Lamps
HORN Horn FuseFuses Usage
HORN Horn Relay
W/S WASHWindshield and Rear Window
Washer Pump Relay
W/S WASHWindshield and Rear Window
Washer Pump
INFOOnStar/Rear Seat
Entertainment
RADIO AMP Radio Ampli®er
RH HID Not Used
EAP Electric Adjustable Pedals
TREC All-Wheel Drive Module
SBA Supplemental Brake Assist
5-111

Door (cont.)
Programmable Automatic Door Locks.............2-10
Rear Door Security Locks.............................2-12
Driver
Position, Safety Belt.....................................1-30
DRIVER DOOR AJAR.....................................3-58
Driver Information Center (DIC).........................3-46
DIC Operation and Displays..........................3-46
DIC Warnings and Messages........................3-57
Driving
At Night.....................................................4-28
City...........................................................4-32
Defensive..................................................... 4-2
Drunken....................................................... 4-2
Freeway.....................................................4-33
Hill and Mountain Roads..............................4-35
In Rain and on Wet Roads...........................4-29
Winter........................................................4-37
Driving Across an Incline..................................4-24
Driving Downhill..............................................4-23
Driving in Mud, Sand, Snow or Ice....................4-26
Driving in Water..............................................4-27
Driving On Grades..........................................4-60
Driving on Off-Road Hills.................................4-20
Driving on Snow or Ice....................................4-38
Driving Through Deep Standing Water...............4-31
Driving Through Flowing Water.........................4-31
Driving Uphill..................................................4-21
Driving with a Trailer.......................................4-58
Dual Automatic Climate Control System.............3-20DVD
Cleaning the Video Screen...........................3-99
Distortion....................................................3-97
Rear Seat Entertainment System...................3-80
DVD Player....................................................3-80
E
Easy Exit Seat...............................................2-50
Electrical System
Add-On Equipment.....................................5-103
Fuses and Circuit Breakers.........................5-103
Power Windows and Other Power Options....5-103
Windshield Wiper Fuses.............................5-103
Emissions Inspection and Maintenance
Programs...................................................3-42
Engine
Air Cleaner/Filter.........................................5-18
Battery.......................................................5-39
Check and Service Engine Soon Light............3-40
Coolant......................................................5-23
Coolant Heater............................................2-21
Coolant Temperature Gage...........................3-38
Engine Compartment Overview......................5-12
Exhaust.....................................................2-30
Fan Noise..................................................5-33
Oil .............................................................5-13
Overheating................................................5-25
Starting......................................................2-19
5

ENGINE COOLANT HOT.................................3-59
Engine Oil Additives........................................5-16
ENGINE OVERHEATED..................................3-59
Entering or Exiting the Third Row Seats.............. 1-7
Entertainment System
Cleaning the Video Screen...........................3-99
DVD Distortion............................................3-97
Entry Lighting.................................................3-17
Environmental Concerns..................................4-17
Erasing HomeLink
žButtons..............................2-42
Event Data Records (EDR)................................ 7-9
Exit Lighting...................................................3-17
Express-Down Windows...................................2-15
Extender, Safety Belt.......................................1-47
Exterior Lamps...............................................3-14
F
Filter
Engine Air Cleaner......................................5-18
Finding a Program Type (PTY) Station
(RDS and XMŸ).........................................3-70
Finding a Station............................................3-67
Finish Care....................................................5-96
Finish Damage...............................................5-99
Fixed Mast Antenna........................................3-99
Flash-to-Pass................................................... 3-9
Flat Tire........................................................5-73
Flat Tire, Changing.........................................5-74Fluid
Automatic Transmission................................5-20
Power Steering...........................................5-34
Windshield Washer......................................5-35
FM Stereo.....................................................3-97
Fog Lamps....................................................3-16
Folding the Seatback.......................................1-17
Folding the Seatbacks.............................1-12, 1-22
Folding the Seatbacks (60/40 Split Bench Seat)....... 1-9
Following Distance..........................................4-59
Front Axle......................................................5-47
Frontal Air Bags.............................................1-77
Fuel............................................................... 5-4
Additives...................................................... 5-6
California Fuel.............................................. 5-5
Filling a Portable Fuel Container..................... 5-9
Filling Your Tank........................................... 5-7
Fuels in Foreign Countries.............................. 5-7
Gage.........................................................3-45
Gasoline Octane........................................... 5-4
Gasoline Speci®cations.................................. 5-5
Low Warning Light.......................................3-45
Fuel Information Button....................................3-49
FUEL LEVEL LOW.........................................3-59
Fuses
Fuses and Circuit Breakers.........................5-103
Windshield Wiper.......................................5-103
6