GM Service Manual Online
For 1990-2009 cars only

To replace one of these bulbs, do the following:

  1. Open the liftgate. See Liftgate for more information.
  2. Remove the two screws retaining the taillamp assembly.

  3. Object Number: 1236077  Size: A3
  4. Slide the taillamp assembly rearward and away from the vehicle.
  5. Disconnect the electrical connector and remove it from the taillamp assembly.

  6. Object Number: 1236079  Size: B3
  7. Turn the bulb socket being replaced counterclockwise to disconnect it.
  8. Pull the bulb out of the bulb socket.
  9. Push the new bulb into the bulb socket.
  10. Reverse Steps 2 through 4 to reinstall the taillamp assembly.