2004 CHEVROLET BLAZER turn signal

5. Turn the bulb/socket assembly counterclockwise
to remove it.
6. Put the new bulb/socket assembly into the headlamp
assembly and turn it clockwise until it is tight.
7. Plug in the electrical connector.
8. Put the headlamp assembly back into the vehicle.
9. Install the two retaining clips.
10. Close the hood.
One-Piece Front Turn Signal Lamps
1. Remove the headlamp assembly as shown in
“One-Piece Composite Headlamp System”
underHeadlamps on page 5-50.
2. Twist the bulb socket
to remove it from the
headlamp assembly.
3. Pull the bulb straight out to remove it from the socket.
4. Push the new bulb into the socket until it snaps
into place.
5. Put the bulb socket into the lamp assembly and
turn it clockwise until it is tight.
6. Put the headlamp assembly back into the vehicle.
7. Install the two retaining clips.
8. Close the hood.
5-52

Two-Piece Front Turn Signal Lamps
1. Remove the headlamp assembly as shown in
“Two–Piece Composite Headlamp System”
underHeadlamps on page 5-50.
2. Locate the locking
tabs on the assembly.
Squeeze the tabs
together and push that
end of the assembly
out while holding
the tabs. The assembly
will swing out.
3. Unplug the electrical connector.4. Turn the harness bulb socket counterclockwise to
remove it.
5. Pull the bulb straight out to remove it from the socket.
6. Push the new bulb into the socket until it snaps into
place.
7. Reinstall the harness bulb socket with the new bulb
into the headlamp assembly and turn it clockwise
until it is tight.
To reinstall the assembly, snap the outboard end of
the lamp assembly back into the vehicle. Then swing
the assembly in and snap it into place.
8. Install the two retaining clips.
9. Close the hood.
5-53

Taillamps
1. Open the tailgate.
2. Remove the
two screws from
the lamp assembly.
3. Pull the assembly away from the vehicle.
4. Turn the socket counterclockwise to remove it.
Push the tab in while you turn the socket
counterclockwise.
5. Holding the base of the bulb, pull the bulb straight
out of the socket.6. Push the new bulb straight into the socket until
it clicks.
7. Put the socket into the assembly and turn the
socket clockwise until it locks in place.
8. Install the lamp assembly and tighten the screws.
9. Close the tailgate.
Replacement Bulbs
Lamp Number
Halogen Headlamps,
Composite Low Beam9006 HB4
or 9006LL
Halogen Headlamps,
Composite High Beam9005 HB3
Taillamps 3057
Turn Signal Lamps 3457A
*For replacement bulbs not listed here, please consult
your dealer.
5-54

Fuse Usage
A Not Used
B Not Used
1 Not Used
2Cigarette Lighter, Data Link
Connector
3Cruise Control Module and Switch,
Body Control Module, Heated SeatsFuse Usage
4Gages, Body Control Module,
Instrument Panel Cluster
5Parking Lamps, Power Window
Switch, Body Control Module,
Ashtray Lamp
6 Steering Wheel Radio Controls
7Headlamps Switch, Body Control
Module, Headlamp Relay
8Courtesy Lamps, Battery Run-Down
Protection
9Heating, Ventilation, Air Cooling
Control Head (Manual)
10 Turn Signal
11 Cluster, Engine Control Module
12 Interior Lights
13 Auxiliary Power
14 Power Locks Motor
154WD Switch, Engine Controls
(VCM, PCM, Transmission)
16 Supplemental Inatable Restraint
17 Front Wiper
5-100

Fuse Usage
TRL TRN Trailer Left Turn
TRR TRN Trailer Right Turn
TRL B/U Trailer Back Up Lamps
VEH B/U Vehicle Back Up Lamps
HDLP PWR Headlamp Power
RT TURN Right Turn Signal Front
LT TURN Left Turn Signal Front
HDLP W/W Not UsedFuse Usage
LT TRN Left Turn Signal Rear
RT TRN Right Turn Signal Rear
RR PRK Right Rear Parking Lamps
TRL PRK Trailer Park Lamps
LTHDLP Left Headlamp
RTHDLP Right Headlamp
FRPRK Front Parking Lamps
INT BAT Instrument Panel Fuse Block Feed
ENG IEngine Sensors/Solenoids, MAF,
CAM, PURGE, VENT
ECM BEngine Control Module, Fuel Pump
Module, Oil Pressure
ABS Anti-Lock Brake System
ECM I Engine Control Module Injectors
F/PUMP Fuel Pump
DRL Daytime Running Lamps
A/C Air Conditioning
HORN Horn
W/W PMP Not Used
HORN Horn
BTSIAutomatic Transmission Shift Lock
Control System
B/U LP Back Up Lamps
5-102

Automatic Transfer Case..................................2-31
Automatic Transmission...................................2-20
Fluid..........................................................5-19
Operation...................................................2-23
Automatic Transmission Check..........................6-27
Automatic Transmission Shift Lock Control
System Check.............................................6-29
B
Backing Up....................................................4-68
Battery..........................................................5-42
Battery Replacement......................................... 2-6
Battery Run-Down Protection............................3-16
Before Leaving on a Long Trip.........................4-37
Before You Go Off-Roading..............................4-15
Body Lubrication Service..................................6-28
Brake
Parking......................................................2-35
System Inspection.......................................6-32
System Warning Light..................................3-28
Brake Adjustment............................................5-41
Brake Fluid....................................................5-39
Brake Pedal Travel.........................................5-41
Brake Wear...................................................5-41
Brakes..........................................................5-39
Braking........................................................... 4-7
Braking in Emergencies...................................4-10
Break-In, New Vehicle.....................................2-18Bulb Replacement...........................................5-50
Halogen Bulbs............................................5-50
Headlamps.................................................5-50
One-Piece Front Turn Signal Lamps...............5-52
Replacement Bulbs......................................5-54
Taillamps....................................................5-54
Two-Piece Front Turn Signal Lamps...............5-53
Buying New Tires...........................................5-70C
California Fuel.................................................. 5-5
Canada – Customer Assistance.......................... 7-5
Canadian Owners................................................ ii
Canadian Roadside Assistance........................... 7-7
Capacities....................................................5-104
Capacities and Specications..........................5-103
Carbon Monoxide...........................2-40, 4-40, 4-60
Care of
Safety Belts................................................5-92
Your Cassette Tape Player............................3-72
Your CD Player...........................................3-74
Your CDs ...................................................3-74
Cargo Tie Downs............................................2-59
Cassette Tape Messages.................................3-57
Cassette Tape Player Service...........................6-26
CD Adapter Kits.............................................3-57
CD Messages................................3-49, 3-60, 3-71
Center Front Passenger Position, Safety Belts....1-21
2

Glove Box.....................................................2-49
GM Mobility Program for Persons with
Disabilities.................................................... 7-5
H
Hazard Warning Flashers................................... 3-4
Head Restraints............................................... 1-6
Headlamp High/Low-Beam Changer.................... 3-7
Headlamps....................................................5-50
Bulb Replacement.......................................5-50
Electrical System.........................................5-98
Halogen Bulbs............................................5-50
One-Piece Front Turn Signal Lamps...............5-52
Two-Piece Front Turn Signal Lamps...............5-53
Heated Seats................................................... 1-4
Heating.........................................................3-18
Highway Hypnosis...........................................4-38
Hill and Mountain Roads..................................4-38
Hitches..........................................................4-65
HomeLink
®Transmitter....................................2-44
HomeLink®Transmitter, Programming................2-46
Hood
Checking Things Under................................5-10
Release.....................................................5-10
Horn............................................................... 3-5
How to Add Coolant to the Coolant
Recovery Tank............................................5-31
How to Add Coolant to the Radiator..................5-33How to Add Fluid....................................5-22, 5-23
How to Check................................5-20, 5-22, 5-68
How to Check and Add Fluid............................5-24
How to Check Lubricant..........................5-47, 5-49
How to Check Power Steering Fluid..................5-37
How to Inspect the Engine Air Cleaner/Filter.......5-18
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-13
Hydraulic Clutch.............................................5-23
Hydraulic Clutch System Check........................6-27
Hydroplaning..................................................4-34
I
If No Steam Is Coming From Your Engine..........5-28
If Steam Is Coming From Your Engine...............5-27
If the Light Is Flashing.....................................3-31
If the Light Is On Steady.................................3-32
If You Are Caught in a Blizzard.........................4-42
If You Are Stuck in Sand, Mud, Ice or Snow.......4-44
If You Decide To Pull A Trailer..........................4-61
Ignition Positions.............................................2-19
Ignition Transmission Lock Check......................6-29
Infants and Young Children, Restraints...............1-34
Ination - Tire Pressure...................................5-67
Inspection
Brake System.............................................6-32
Engine Cooling System................................6-31
Exhaust System..........................................6-31
7

Trailer Wiring Harness.....................................4-71
Transfer Case................................................5-48
Transfer Case and Front Axle
(Four-Wheel Drive) Inspection.......................6-32
Transmission
Fluid, Automatic...........................................5-19
Fluid, Manual..............................................5-22
Up-Shift Light..............................................3-27
Transmission Operation, Automatic....................2-23
Transmission Operation, Manual........................2-26
Transmission, Transaxle, Transfer Case Unit
Repair Manual............................................7-11
Transportation Options...................................... 7-8
Traveling to Remote Areas...............................4-17
Trip Odometer................................................3-24
Turn and Lane-Change Signals.......................... 3-6
Turn Signal/Multifunction Lever........................... 3-5
Turn Signals When Towing a Trailer..................4-68
U
Underbody Flushing Service.............................6-30
Understanding Radio Reception........................3-72
Uniform Tire Quality Grading............................5-71
United States – Customer Assistance.................. 7-4
Up-Shift Light.................................................2-28Used Replacement Wheels..............................5-74
Using HomeLink
®...........................................2-48
Using Song List Mode.....................................3-70
Using the Recovery Hooks...............................4-45
V
Vehicle
Control........................................................ 4-7
Damage Warnings........................................... iv
Design......................................................... 4-2
Loading......................................................4-54
Parking Your...............................................2-39
Symbols......................................................... iv
Vehicle Data Collection and Event Data
Recorders.................................................... 7-9
Vehicle Identication
Number (VIN).............................................5-97
Service Parts Identication Label...................5-97
Vehicle Personalization
Memory Seat..............................................2-64
Vehicle Storage..............................................5-42
Ventilation Adjustment......................................3-20
Visors...........................................................2-16
Voltmeter Gage..............................................3-26
15