2006 CHEVROLET SILVERADO turn signal

Front Turn Signal, Sidemarker and
Daytime Running Lamps
To replace a front turn signal, sidemarker, or DRL bulb,
do the following:
1. Remove the headlamp assembly as mentioned
previously. SeeHeadlamps on page 5-62for
more information.
2. Press the retainer clip (arrow), located behind the
turn signal assembly, towards the outside of the
vehicle.3. Pull the turn signal assembly out from the vehicle.
5-64

A. Daytime Running Lamp (DRL)
B. Front Turn Signal/Parking Lamp
C. Sidemarker Lamp
4. Press the locking release lever (the sidemarker
lamp does not have a locking release lever), turn
the bulb socket counterclockwise and remove it from
the turn signal assembly.5. Remove the old bulb from the bulb socket.
6. Install a new bulb into the bulb socket.
7. Reinstall the bulb socket into the turn signal
assembly and turn it clockwise until it locks
(the sidemarker lamps does not lock into place).
8. Reinstall the turn signal assembly back onto the
vehicle placing the hook and posts on the inner
side into the alignment holes rst and then the outer
side into the retainer bracket. Push until you
hear a click.
9. Reinstall the headlamp assembly back into the
vehicle.
5-65

Pickup Box Identication and
Fender Marker Lamps
To replace a pickup box identication or fender marker
lamp bulb, do the following:
1. Remove the screws and lamp assembly.
2. Unplug the lamp assembly harness.
3. Gently pry the individual lamp from the lamp
assembly.
4. Unplug the lamp.
5. Plug in a new lamp and snap it into the assembly.
6. Reinstall the lamp assembly.
Taillamps, Turn Signal, Stoplamps
and Back-up Lamps
To replace one of these bulbs, do the following:
1. Open the tailgate.Tailgate on page 2-14for more
information.
2. Remove the two rear
lamp assembly screws
near the tailgate
latch and pull out the
lamp assembly.
5-69

3. Determine which of the following taillamp assembly
applies to your vehicle.
A. Stoplamp/Taillamp
B. Turn Signal
C. Back-up LampA. Stoplamp/Taillamp
B. Turn Signal Lamp
C. Back-up Lamp
D. Sidemarker Lamp
4. Press the release tab, if equipped, and turn the
bulb socket counterclockwise to remove it from
the taillamp assembly.
5. Pull the old bulb straight out from the socket.
6. Press a new bulb into the socket and turn the socket
clockwise into the taillamp assembly.
7. Reinstall the taillamp assembly.
5-70

Taillamps (Chassis Cab Models)
A. Turn Signal Lamp
B. Taillamp/Stoplamp
C. Back-up Lamp
To replace one of these bulbs, do the following:
1. Peel the rubber seal away from the lens using
your hands.
2. Lift the lens off the lamp assembly.
3. Pull the old bulb straight out from the socket.
4. Install a new bulb into the socket and press it in
until it is tight.
5. Reinstall the lens and the lens seal.
License Plate Lamp
To replace one of these bulbs, do the following:
1. Reach under the rear bumper for the bulb socket.
2. Twist the bulb socket counterclockwise and pull the
bulb socket out of the connector.
3. Pull the old bulb from the bulb socket, keeping the
bulb straight as you pull it out.
4. Install the new bulb.
5. Reverse steps 1 – 3 to reinstall the license
plate lamp.
5-71

Replacement Bulbs
Exterior Lamp Bulb Number
Back-up Lamp 3157
Back-up Lamp* 1156
Cargo Lamp and Center
High-Mounted Stoplamp (CHMSL)912
Daytime Running Lamps (DRL) 4114K
Fender Marker, Front Roof
Marker and Sidemarker Lamp
(If Equipped)194
Front Parking and Turn Lamp 3457A
License Plate Lamp 168
Exterior Lamp Bulb Number
Headlamps
High-Beam 9005
Low-Beam 9006
Rear Marker Lamp,
Taillamp and Stoplamp*3157
Rear Turn Signal Lamp 3157
Rear Turn Signal Lamp* 1156
Stoplamp and Taillamp* 1157
* Chassis Cab Models
For replacement bulbs not listed here, contact your
dealer.
5-72

Fuses Usage
RR WPR Not Used
SEO ACCYSpecial Equipment Option
Accessory
WS WPR Windshield Wipers
TBC ACCYTruck Body Controller
Accessory
IGN 3 Ignition, Heated Seats
Fuses Usage
4WDFour-Wheel Drive System,
Auxiliary Battery
HTR A/C Climate Control System
LOCK (Relay)Power Door Lock Relay
(Lock Function)
HVAC 1 Climate Control System
LT DRDriver’s Door Harness
Connection
CRUISECruise Control, Power Take
Off (PTO)
UNLCK (Relay)Power Door Lock Relay
(Unlock Function)
RR FOG LP Not Used
BRAKE Anti-Lock Brake System
DRIVER UNLCKPower 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
5-127

Fuses Usage
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 2, M/GATE Not Used
LCKS Power Door Lock System
ECC, TPMTire Pressure Monitoring
System
TBC 2C Truck Body Controller
HAZRD Flasher Module
CB LT DRSLeft Power Windows Circuit
Breaker
TBC 2B Truck Body Controller
TBC 2A Truck Body ControllerCenter Instrument Panel Fuse Block
The center instrument panel utility block is located
underneath the instrument panel, to the left of the
steering column.
Device Usage
SEO Special Equipment Option
TRAILER Trailer Brake Wiring
UPFIT Uptter (Not Used)
SL RIDERide Control Harness
Connection
5-128