turn signal GMC SIERRA DENALI 2005 Owner's Guide

2. Press the retainer clip (B), located behind the turn
signal housing, towards the outside of the vehicle.
3. Pull the turn signal housing out of the vehicle.
4. Press the locking release lever, turn the bulb socket
counterclockwise and remove it from the turn signal
housing.
5. Remove the old bulb from the bulb socket.
6. Put a new bulb into the bulb socket. Use care not
to touch the bulb with your ngers or hands.
7. Put the bulb socket back into the turn signal
housing and turn it clockwise until it locks.8. Put the turn signal housing back into the vehicle
placing the hook and posts on the inner side into
the alignment holes rst, then the outer side into the
retainer bracket until you hear a click.
9. Put the headlamp assembly back into the vehicle.
Center High-Mounted Stoplamp
(CHMSL) and Cargo Lamp
To replace a center high-mounted stoplamp (CHMSL)
bulb, do the following:
1. Remove the screws and lift off the lamp assembly.
5-51

Taillamps
To replace a taillamp bulb, do the following:
1. Open the tailgate. SeeTailgate on page 2-11for
more information.
2. Remove the two rear
lamp assembly screws
near the tailgate
latch and pull out the
lamp assembly.A. Stoplamp
B. Turn Signal
C. Back-up Lamp
5-53

Fuses Usage
UNLOCK (Relay)Power Door Lock Relay
(Unlock Function)
RR FOG LP Not Used
BRAKE Anti-Lock Brake System
DRIVER UNLOCKPower Door Lock Relay
(Driver’s Door Unlock
Function)
IGN 0 TCM
TBC IGN 0 Truck Body Controller
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 ModuleFuses Usage
RT TRLR ST/TRN Right Turn Signal/Stop Trailer
RT TRNRight Turn Signals and
Sidemarkers
BODY Harness Connector
DDM Driver Door Module
AUX PWR 2 Not Used
LOCKS Power Door Lock System
ECC Not Used
TBC 2C Truck Body Controller
FLASH Flasher Module
CB LT DOORSLeft Power Windows Circuit
Breaker
TBC 2B Truck Body Controller
TBC 2A Truck Body Controller
5-105

Fuses Usage
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 Used
02B Oxygen Sensors
AIRBAGSupplemental Inatable
Restraint System
FRT PARKFront Parking Lamps,
Sidemarker Lamps
DRLDaytime Running Lamps
(Relay)Fuses Usage
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
RVC Regulated Voltage Control
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
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
CRNK Starting System
5-110

Audio System(s) (cont.)
Radio with Cassette and CD.........................3-61
Rear Seat Audio (RSA)................................3-86
Setting the Time..........................................3-61
Theft-Deterrent Feature................................3-90
Understanding Radio Reception.....................3-92
XM™ Satellite Radio Antenna System............3-94
Automatic Headlamp System............................3-15
Automatic Transmission
Fluid..........................................................5-21
Operation...................................................2-20
B
Battery..........................................................5-40
Run-Down Protection...................................3-18
Battery Warning Light......................................3-31
Before Leaving on a Long Trip.........................4-33
Brake
Anti-Lock Brake System (ABS)........................ 4-6
Emergencies................................................ 4-8
Parking......................................................2-24
System Warning Light..................................3-32
Brakes..........................................................5-37
Braking........................................................... 4-5
Braking in Emergencies..................................... 4-8
Break-In, New Vehicle.....................................2-16
Bulb Replacement...........................................5-49Center High-Mounted Stoplamp (CHMSL)
and Cargo Lamp......................................5-51
Front Turn Signal, Sidemarker and Daytime
Running Lamps........................................5-50
Halogen Bulbs............................................5-49
Headlamps.................................................5-49
Replacement Bulbs......................................5-54
Taillamps....................................................5-53
Buying New Tires...........................................5-66
C
California Fuel.................................................. 5-6
Canadian Owners................................................ ii
Capacities and Specications..........................5-112
Carbon Monoxide...................2-11, 2-27, 4-36, 4-52
Care of
Safety Belts................................................5-95
Your Cassette Tape Player............................3-92
Your CD Player...........................................3-93
Your CDs ...................................................3-93
Cargo Lamp...................................................3-18
CD Changer...................................................3-87
Center Console Storage Area...........................2-41
Center High-Mounted Stoplamp (CHMSL)
and Cargo Lamp.........................................5-51
Chains, Tire...................................................5-70
2

G
Gage
Engine Coolant Temperature.........................3-34
Fuel..........................................................3-41
Oil Pressure...............................................3-39
Speedometer..............................................3-28
Tachometer.................................................3-28
Transmission Temperature.............................3-34
Voltmeter Gage...........................................3-31
Garage Door Opener.......................................2-36
Gasoline
Octane........................................................ 5-5
Specications............................................... 5-5
Glove Box.....................................................2-41
GM Mobility Reimbursement Program.................. 7-5
H
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-6
Headlamps............................................3-13, 5-49
Automatic Headlamp System.........................3-15
Bulb Replacement.......................................5-49
Daytime Running Lamps...............................3-14
Flash-to-Pass............................................... 3-9
Front Turn Signal, Sidemarker and Daytime
Running Lamps........................................5-50Headlamps (cont.)
Halogen Bulbs............................................5-49
High/Low Beam Changer................................ 3-8
On Reminder..............................................3-14
Heated Seats................................................... 1-3
Heater...........................................................3-20
Highbeam On Light.........................................3-40
Highway Hypnosis...........................................4-33
Hill and Mountain Roads..................................4-34
HomeLink
®Transmitter....................................2-36
HomeLink®Transmitter, Programming................2-37
Hood
Checking Things Under................................5-10
Release.....................................................5-10
Horn............................................................... 3-6
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-13
I
Ignition Positions.............................................2-17
Infants and Young Children, Restraints...............1-29
Ination -- Tire Pressure..................................5-62
Instrument Panel
Brightness..................................................3-16
Cluster.......................................................3-27
Overview..................................................... 3-4
6

Seats (cont.)
Power Lumbar.............................................. 1-3
Power Seats................................................. 1-2
Rear Seat Operation...................................... 1-6
Reclining Seatbacks...................................... 1-4
Secondary Latch System.................................5-83
Securing a Child Restraint
Designed for the LATCH System...................1-42
Rear Seat Position......................................1-43
Right Front Seat Position..............................1-45
Security Light.................................................3-40
Service........................................................... 5-3
Adding Equipment to the Outside of Your
Vehicle..................................................... 5-5
Doing Your Own Work................................... 5-4
Engine Soon Light.......................................3-36
Publications Ordering Information...................7-11
Servicing Your Airbag-Equipped Vehicle..............1-59
Setting the Time.............................................3-61
Sheet Metal Damage.......................................5-99
Shifting Into Park (P).......................................2-25
Shifting Out of Park (P)...................................2-26
Signals, Turn and Lane-Change.......................... 3-7
Sliding Rear Windows.....................................2-14
Spare Tire.....................................................5-91
Installing....................................................5-76
Removing...................................................5-73
Storing.......................................................5-87
Specications, Capacities...............................5-112
Speedometer..................................................3-28Starting Your Engine.......................................2-18
Steering.......................................................... 4-8
Steering Wheel Controls, Audio.........................3-91
Steering Wheel, Tilt Wheel................................. 3-6
Storage Areas
Center Console Storage Area........................2-41
Cupholder(s)...............................................2-41
Glove Box..................................................2-41
Stuck in Sand, Mud, Ice or Snow......................4-40
Sun Visors.....................................................2-14
Sunroof.........................................................2-43
T
Tachometer....................................................3-28
Tailgate.........................................................2-11
Taillamps.......................................................5-53
Theft-Deterrent, Radio.....................................3-90
Theft-Deterrent Systems...................................2-14
Content Theft-Deterrent................................2-14
Passlock
®...................................................2-16
Tilt Wheel........................................................ 3-6
Tires.............................................................5-56
Aluminum or Chrome-Plated Wheels,
Cleaning.................................................5-98
Buying New Tires........................................5-66
Chains.......................................................5-70
Changing a Flat Tire....................................5-72
Cleaning....................................................5-98
11

Tires (cont.)
If a Tire Goes Flat.......................................5-71
Ination -- Tire Pressure...............................5-62
Inspection and Rotation................................5-63
Installing the Spare Tire................................5-76
Removing the Flat Tire.................................5-76
Removing the Spare Tire and Tools...............5-73
Secondary Latch System..............................5-83
Spare Tire..................................................5-91
Storing a Flat or Spare Tire and Tools............5-87
Tire Sidewall Labelling..................................5-57
Tire Terminology and Denitions....................5-60
Uniform Tire Quality Grading.........................5-67
Wheel Alignment and Tire Balance.................5-68
Wheel Replacement.....................................5-69
When It Is Time for New Tires......................5-65
Tonneau Cover...............................................2-41
Top Strap......................................................1-37
Top Strap Anchor Location...............................1-38
Tow/Haul Mode...............................................2-23
Tow/Haul Mode Light.......................................3-40
Towing
Recreational Vehicle.....................................4-51
Towing a Trailer..........................................4-52
Your Vehicle...............................................4-51
Trailer
Recommendations.......................................4-51Transmission
Fluid, Automatic...........................................5-21
Temperature Gage.......................................3-34
Transmission Operation, Automatic....................2-20
Trip Odometer................................................3-28
Turn and Lane-Change Signals.......................... 3-7
Turn Signal/Multifunction Lever........................... 3-7
U
Understanding Radio Reception........................3-92
Uniform Tire Quality Grading............................5-67
V
Vehicle
Control........................................................ 4-5
Damage Warnings........................................... iv
Symbols......................................................... iv
Vehicle Customization, DIC..............................3-54
Vehicle Data Collection and Event Data
Recorders.................................................... 7-9
Vehicle Identication
Number (VIN)............................................5-101
Service Parts Identication Label..................5-101
Vehicle Personalization
Memory Seat..............................................2-44
12