GM Service Manual Online
For 1990-2009 cars only

Object Number: 1999180  Size: B3
  1. Backup Lamp

  2. Stoplamp, Taillamp and Turn Signal Lamp

  1. Open the trunk. See Trunk for more information.
  2. Remove the convenience net hooks holding the trunk trim.

  3. Object Number: 2030097  Size: B3
  4. Remove the three wing nuts, which hold the taillamp assembly, from inside the vehicle.
  5. Remove the taillamp assembly.
  6. Remove the wiring harness from the taillamp assembly by lifting the release tab.
  7. Turn the bulb socket counterclockwise to remove it.
  8. Pull the bulb from the socket.
  9. Install a new bulb.
  10. Reverse Steps 2 through 5 to reinstall the taillamp assembly.

Back-up Lamp


Object Number: 1999227  Size: B3
  1. Open the trunk. See Trunk for more information.
  2. Remove the push nuts holding the trunk trim.
  3. Turn the bulb socket counterclockwise to remove from the lamp assembly.
  4. Install the new bulb.
  5. Reverse Steps 1 through 3 to reinstall.