2004 GMC YUKON electrical

8. Now connect the black
negative (−) cable to
the good battery’s
negative (−) cable. Use
a remote negative (−)
terminal if the
vehicle has one.
Don’t let the other end touch anything until the next
step. The other end of the negative (−) cabledoesn’tgo
to the dead battery. It goes to a heavy, unpainted
metal part of the vehicle with the dead battery, or to the
remote negative (−) terminal if the vehicle has one.9. Connect the other end
of the negative (−)
cable to the remote
negative (−) terminal,
marked GND, on
the vehicle with the
dead battery.
10. Now start the vehicle with the good battery and run
the engine for a while.
11. Try to start the vehicle that had the dead battery. If
it won’t start after a few tries, it probably needs
service.
Notice:If the jumper cables are removed in the
wrong order, electrical shorting may occur and
damage the vehicle. The repairs would not be
covered by your warranty. Remove the jumper
cables in the correct order, making sure that the
cables do not touch each other or other metal.
5-49

A. Low-Beam Headlamp
B. High-Beam Headlamp
2. Pull the headlamp assembly out.
3. Unplug the electrical connector.
4. Turn the old bulb counterclockwise and remove it
from the headlamp assembly.
5. Put the new bulb into the assembly and turn it
clockwise until it is tight. Use care not to touch
the bulb with your ngers or hands.
6. Plug in the electrical connector.
7. Put the headlamp assembly back into the vehicle.
Install and tighten the two pins.
Front Turn Signal, Sidemarker and
Daytime Running Lamps
A. Sidemarker Lamp
B. Retainer Clip
C. Front Turn Signal
LampD. Daytime Running
Lamp
1. Remove the headlamp assembly as mentioned
previously.
2. Press the retainer clip, located behind the turn
signal housing, towards the outside of the vehicle.
3. Pull the turn signal housing out from the vehicle.
5-56

Electrical System
Add-On Electrical Equipment
Notice:Don’t add anything electrical to your
vehicle unless you check with your dealer rst.
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 1-86.
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 xed.
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 xed 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 res 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.
5-113

*1— Gasoline Engine and Fuel Injection Rail #2.
*2— Gasoline Engine and Fuel Injection Rail #1.
*3— Gasoline Engine; Oxygen Sensors.
*4— Gasoline Engine; Oxygen Sensors.
*5— 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 Outlet—Rear
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
5-119

Fuses Usage
HDLP-LOW Headlamp Low Beam Relay
A/C COMP Air Conditioning Compressor
A/C COMPAir Conditioning Compressor
Relay
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 RelayFuses Usage
FOG LP Fog Lamps
HORN Horn Fuse
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 Amplier
RH HID Not Used
EAP Electric Adjustable Pedals
TREC All-Wheel Drive Module
SBA Supplemental Brake Assist
5-121

Reporting Safety Defects to the
Canadian Government
If you live in Canada, and you believe that your vehicle
has a safety defect, you should immediately notify
Transport Canada, in addition to notifying General
Motors of Canada Limited. You may write to:
Transport Canada
330 Sparks Street
Tower C
Ottawa, Ontario K1A 0N5
Reporting Safety Defects to General
Motors
In addition to notifying NHTSA (or Transport Canada) in
a situation like this, we certainly hope you’ll notify us.
Please call us at 1-800-GMC-8782 (1-800-462-8782),
or write:
Pontiac-GMC Customer Assistance Center
P.O. Box 33172
Detroit, MI 48232-5172
In Canada, please call us at 1-800-263-3777 (English)
or 1-800-263-7854 (French). Or, write:
General Motors of Canada Limited
Customer Communication Centre, 163-005
1908 Colonel Sam Drive
Oshawa, Ontario L1H 8P7
Service Publications Ordering
Information
Service Manuals
Service Manuals have the diagnosis and repair
information on engines, transmission, axle, suspension,
brakes, electrical, steering, body, etc.
RETAIL SELL PRICE: $120.00
Transmission, Transaxle, Transfer
Case Unit Repair Manual
This manual provides information on unit repair service
procedures, adjustments, and specications for GM
transmissions, transaxles, and transfer cases.
RETAIL SELL PRICE: $50.00
7-12

A
Accessory Power Outlets.................................3-21
Adding Washer Fluid.......................................5-40
Additional Program Information........................... 7-9
Additives, Fuel................................................. 5-6
Add-On Electrical Equipment...........................5-113
Adjustable Throttle and Brake Pedal..................2-23
Adjusting the Speakers
(Balance/Fade)..................3-80, 3-84, 3-96, 3-111
After Off-Road Driving.....................................4-36
Air Bag
Passenger Status Indicator...........................3-43
Readiness Light..........................................3-43
Air Bag Systems.....................................1-72, 1-78
Adding Equipment to Your Air Bag-Equipped
Vehicle...................................................1-86
How Does an Air Bag Restrain?....................1-79
Passenger Sensing System...........................1-82
Servicing Your Air Bag-Equipped Vehicle.........1-86
What Makes an Air Bag Inate?....................1-79
What Will You See After an Air Bag
Inates?..................................................1-80
When Should an Air Bag Inate?...................1-77
Where Are the Air Bags?..............................1-75
Air Cleaner/Filter, Engine.................................5-21
Air Conditioning..............................................3-31
Airbag Sensing and Diagnostic Module (SDM).......7-10
All Overseas Locations...................................... 7-5
All-Wheel Drive...............................................5-51All-Wheel Drive with Stabilitrak
®........................2-33
AM .............................................................3-137
AM-FM Radio.................................................3-78
Antenna, Fixed Mast......................................3-139
Antenna, XM™ Satellite Radio Antenna
System.....................................................3-139
Anti-lock Brake System..................................... 4-7
Anti-Lock Brake, System Warning Light..............3-47
Appearance Care..........................................5-103
Care of Safety Belts...................................5-106
Chemical Paint Spotting..............................5-110
Cleaning the Inside of Your Vehicle..............5-104
Cleaning the Outside of Your Vehicle............5-107
Finish Damage..........................................5-109
Sheet Metal Damage..................................5-109
Underbody Maintenance.............................5-109
Vehicle Care/Appearance Materials...............5-110
Weatherstrips............................................5-106
Approaching a Hill..........................................4-28
Ashtrays........................................................3-21
Audio Output................................................3-131
Audio System(s).............................................3-77
AM-FM Radio.............................................3-78
Audio Steering Wheel Controls....................3-136
Care of Your Cassette Tape Player...............3-137
Care of Your CD and DVD Player................3-139
Care of Your CDs and DVDs.......................3-138
Chime Level Adjustment.............................3-139
Fixed Mast Antenna...................................3-139
Radio with Cassette and CD.........................3-92
1

EEasy Exit Seat...............................................2-65
Electrical System
Add-On Equipment.....................................5-113
Fuses and Circuit Breakers.........................5-113
Power Windows and Other Power Options.......5-113
Windshield Wiper Fuses.............................5-113
Emissions Inspection and Maintenance
Programs...................................................3-54
Engine
Air Cleaner/Filter.........................................5-21
Battery.......................................................5-44
Check and Service Engine Soon Light............3-51
Coolant......................................................5-26
Coolant Heater............................................2-23
Coolant Temperature Gage...........................3-49
Engine Compartment Overview......................5-12
Exhaust.....................................................2-42
Fan Noise..................................................5-38
Oil .............................................................5-16
Overheating................................................5-29
Starting......................................................2-22
ENGINE COOLANT HOT.................................3-71
Engine Hour Meter Display...............................3-42
Engine Oil Additives........................................5-19
ENGINE OVERHEATED..................................3-72
Entertainment System
Cleaning the Video Screen..........................3-139
DVD Distortion..........................................3-137Entry Lighting.................................................3-19
Environmental Concerns..................................4-25
Erasing HomeLink®Buttons..............................2-58
Event Data Records (EDR)..............................7-10
Exit Lighting...................................................3-19
Express-Down Windows...................................2-16
Extender, Safety Belt.......................................1-44
Exterior Lamps...............................................3-15
F
Filter
Engine Air Cleaner......................................5-21
Finding a Program Type (PTY) Station
(RDS and XM™).......................3-85, 3-96, 3-112
Finding a Station..................3-79, 3-83, 3-94, 3-110
Finish Care..................................................5-107
Finish Damage.............................................5-109
Fixed Mast Antenna.......................................3-139
Flash-to-Pass................................................... 3-9
Flat Tire........................................................5-83
Flat Tire, Changing.........................................5-84
Fluid
Automatic Transmission................................5-23
Power Steering...........................................5-38
Windshield Washer......................................5-40
FM Stereo....................................................3-137
Fog Lamps....................................................3-18
6