Taillamps, Turn Signal, Stoplamps, and Back-Up Lamps

GMC Sierra / GMC Sierra Owners Manuals / Vehicle Care / Bulb Replacement / Taillamps, Turn Signal, Stoplamps, and Back-Up Lamps

To replace one of these bulbs:

1. Open the tailgate. See Tailgate on page 2‑10 for more information.

2. Remove the two rear lamp assembly screws near the tailgate latch strikerpost and pull rearward until disengaging the two outer pins on the taillamp assembly from the vehicle.

2. Remove the two rear lamp assembly screws near the tailgate latch strikerpost and pull rearward until disengaging the two outer pins on the taillamp assembly from the vehicle.

B. Back-up Lamp A. Stoplamp/Taillamp/Turn Signal Lamp
B. Back-up Lamp

3. Turn the bulb socket counterclockwise to remove it from the taillamp assembly.

4. Pull the old bulb straight out from the socket.

5. Press a new bulb into the socket and turn the socket clockwise into the taillamp assembly.

6. Reinstall the taillamp assembly.

    See also:

    Securing a Child Restraint Designed for the LATCH System
    WARNING If a LATCH-type child restraint is not attached to anchors, the child restraint will not be able to protect the child correctly. In a crash, the child could be seriously injured or killed. In ...

    Cleaning Exterior Lamps/Lenses
    Use only lukewarm or cold water, a soft cloth, and a car washing soap to clean exterior lamps and lenses. Follow instructions under "Washing the Vehicle" later in this section. ...

    Finding a Station
    BAND: Press to switch between AM, FM, or XM™, if equipped. (Tune): Turn to manually select radio stations. SEEK: Press to seek the previous radio station. Press and hold for a few seconds until ...