GMC Sierra Owners Manual

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

GMS Sierra: Taillamps, Turn Signal, Stoplamps, and Back-Up Lamps. 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.

GMS Sierra: Taillamps, Turn Signal, Stoplamps, and Back-Up Lamps. 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.


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