2006 CHEVROLET TRAIL BLAZER turn signal

If your vehicle is not equipped with the heavy-duty
trailer connector, you may purchase one from your
dealer. The seven-wire harness contains the following
trailer circuits:
Yellow: Left Stop/Turn Signal
Dark Green: Right Stop/Turn Signal
Brown: Running Lamps
White: Ground
Light Green: Back-up Lamps
Dark Blue: Electric Brakes
Red: Battery Feed (The chassis wiring ring terminal
must be fastened to a stud on the underhood
electrical center before the trailer feed will become
active.)
If you need to tow a light-duty trailer with a standard
four-way round pin connector, an adapter connector is
available from your dealer.Your vehicle is also equipped with wiring for an electric
trailer brake controller. These wires are located
inside the vehicle on the driver’s side under the
instrument panel. These wires should be connected to
an electric trailer brake controller by your dealer or
a qualied service center.
Your vehicle may be equipped with a four-pin trailer
towing harness. This harness has a four-pin trailer
connector that contains the following trailer circuits:
Yellow: Left Stop/Turn Signal
Dark Green: Right Stop/Turn Signal
Brown: Running Lamps
White: Ground
This harness also contains the following trailer circuits
that are not connected to the four-pin trailer connector:
Light Green: Back-up Lamps
Dark Blue: Electric Brakes
Red: Battery Feed
4-72

Service............................................................5-3
Accessories and Modications..........................5-3
California Proposition 65 Warning.....................5-3
Doing Your Own Service Work.........................5-4
Adding Equipment to the Outside of Your
Vehicle......................................................5-4
Fuel................................................................5-5
Gasoline Octane............................................5-5
Gasoline Specications....................................5-5
California Fuel...............................................5-6
Additives.......................................................5-6
Fuels in Foreign Countries...............................5-7
Filling the Tank..............................................5-8
Filling a Portable Fuel Container.....................5-10
Checking Things Under the Hood....................5-10
Hood Release..............................................5-11
Engine Compartment Overview.......................5-12
Engine Oil...................................................5-18
Engine Oil Life System..................................5-23
Engine Air Cleaner/Filter................................5-24
Automatic Transmission Fluid.........................5-26
Engine Coolant.............................................5-28
Radiator Pressure Cap..................................5-31
Engine Overheating.......................................5-31
Cooling System............................................5-33
Engine Fan Noise.........................................5-38Power Steering Fluid.....................................5-39
Windshield Washer Fluid................................5-40
Brakes........................................................5-41
Battery........................................................5-44
Jump Starting...............................................5-45
All-Wheel Drive..............................................5-49
Rear Axle.......................................................5-50
Four-Wheel Drive............................................5-51
Front Axle......................................................5-52
Bulb Replacement..........................................5-53
Halogen Bulbs..............................................5-53
Taillamps and Turn Signal Lamps...................5-53
Replacement Bulbs.......................................5-54
Windshield Wiper Blade Replacement..............5-55
Tires..............................................................5-57
Tire Sidewall Labeling...................................5-59
Tire Terminology and Denitions.....................5-62
Ination - Tire Pressure.................................5-64
Tire Pressure Monitor System.........................5-67
Tire Inspection and Rotation...........................5-70
When It Is Time for New Tires.......................5-72
Buying New Tires.........................................5-72
Different Size Tires and Wheels......................5-74
Uniform Tire Quality Grading..........................5-74
Wheel Alignment and Tire Balance..................5-76
Section 5 Service and Appearance Care
5-1

Bulb Replacement
For the proper type of replacement bulbs, see
Replacement Bulbs on page 5-54.
For any bulb changing procedure not listed in this
section, contact your dealer.
Halogen Bulbs
{CAUTION:
Halogen bulbs have pressurized gas inside
and can burst if you drop or scratch the bulb.
You or others could be injured. Be sure to read
and follow the instructions on the bulb
package.
Taillamps and Turn Signal Lamps
1. Open the liftgate. SeeLiftgate/Liftglass on
page 2-13for more information.
2. Remove the
two screws from the
lamp assembly.
3. Pull the assembly away from the vehicle.
5-53

4. Unclip the wiring harness (A) and remove the three
socket retaining screws (B).
5. Remove the socket by releasing the retaining tabs.
6. Holding the socket, pull the bulb to release it
from the socket.7. Push the new bulb into the socket until it clicks.
8. Reinstall the socket and screws.
9. Reconnect the wiring harness.
10. Reinstall the lamp assembly and tighten the screws.
11. Close the liftgate.
Replacement Bulbs
Exterior Lamp Bulb Number
Rear Turn Signal Lamps 3157
Taillamps 3157
For replacement bulbs not listed here, contact your
dealer.
5-54

Fuses Usage
07 Truck Body Controller 2
08 Power Seats
09 Rear Wiper
10 Driver Door Module
11 Amplier
12 Passenger Door Module
13 Rear Climate Controls
14 Left Rear Parking Lamps
15 Blank
16Vehicle Center High-Mounted
Stop Lamp
17 Right Rear Parking Lamps
18 Locks
19Liftgate Module/Driver Seat
Module
20 Blank
21 Lock
23 Blank
24 Unlock
25 Blank
26 BlankFuses Usage
27OnStar®Overhead Battery,
OnStar®System
28 Sunroof
29 Rainsense™ Wipers
30 Parking Lamps
31 Truck Body Controller Accessory
32 Truck Body Controller 5
33 Front Wipers
34 Vehicle Stop
35 Transmission Control Module
36Heat Ventilation Air
Conditioning B
37 Front Parking Lamps
38 Left Turn Signal
39Heat Ventilation Air
Conditioning 1
40 Truck Body Controller 4
41 Radio
42 Trailer Park
43 Right Turn Signal
44 Heat Ventilation Air Conditioning
5-117

Fuses Usage
05 Rear Fog Lamps
06 Blank
07 Truck Body Controller 2
08 Power Seats
09 Rear Wiper
10 Driver Door Module
11 Amplier
12 Passenger Door Module
13 Rear Climate Controls
14 Left Rear Parking Lamps
15 Blank
16Vehicle Center High-Mounted
Stop Lamp
17 Right Rear Parking Lamps
18 Locks
19Liftgate Module/Driver Seat
Module
20 Vent Window
21 Lock
22 Retained Accessory Power
23 BlankFuses Usage
24 Unlock
25 Blank
26 Blank
27OnStar
®Overhead Battery,
OnStar®System
28 Sunroof
29 Rainsense™ Wipers
30 Parking Lamps
31 Truck Body Controller Accessory
32 Truck Body Controller 5
33 Front Wipers
34 Vehicle Stop
35 Transmission Control Module
36Heat Ventilation Air
Conditioning B
37 Front Parking Lamps
38 Left Turn Signal
39Heat Ventilation Air
Conditioning 1
40 Truck Body Controller 4
41 Radio
5-120

Fuses Usage
42 Trailer Park
43 Right Turn Signal
44 Heat Ventilation Air Conditioning
45 Rear Fog Lamps
46 Auxiliary Power 1
47 Ignition 0
48 Four-Wheel Drive
49 Blank
50 Truck Body Controller Ignition
51 BrakesFuses Usage
52 Truck Body Controller Run
BLANK Not Used
BLANK Not Used
BLANK Not Used
BLANK Not Used
BLANK Not Used
BLANK Not Used
5-121

Audio System(s).............................................3-67
Audio Steering Wheel Controls....................3-139
Care of Your Cassette Tape Player...............3-141
Care of Your CD and DVD Player................3-142
Care of Your CDs and DVDs .......................3-142
Chime Level Adjustment.............................3-143
Fixed Mast Antenna...................................3-143
Navigation/Radio System, see Navigation
Manual.................................................3-124
Radio with Cassette and CD.........................3-95
Radio with CD....................................3-69, 3-80
Radio with Six-Disc CD..............................3-110
Rear Seat Audio (RSA)...............................3-137
Setting the Time..........................................3-69
Theft-Deterrent Feature...............................3-138
Understanding Radio Reception...................3-140
XM™ Satellite Radio Antenna System...........3-143
Automatic Headlamp System............................3-15
Automatic Transmission
Fluid..........................................................5-26
Operation...................................................2-24B
Battery..........................................................5-44
Run-Down Protection...................................3-18
Before Leaving on a Long Trip.........................4-38
Brake
Anti-Lock Brake System (ABS)........................ 4-7
Emergencies................................................ 4-9
Parking......................................................2-31
System Warning Light..................................3-39
Brake Pedal, Throttle.......................................2-22
Brakes..........................................................5-41
Braking........................................................... 4-6
Braking in Emergencies..................................... 4-9
Break-In, New Vehicle.....................................2-19
Bulb Replacement...........................................5-53
Halogen Bulbs............................................5-53
Replacement Bulbs......................................5-54
Taillamps and Turn Signal Lamps..................5-53
Buying New Tires...........................................5-72
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