GM Service Manual Online
For 1990-2009 cars only

To replace a taillamp, turn signal, sidemarker, stoplamp or back-up lamp bulb:

  1. Open the trunk. See Trunk .
  2. Remove the convenience net.

  3. Object Number: 1508940  Size: B4
  4. Turn the four plastic wing nuts retaining the trunk trim counterclockwise. There are two wing nuts located on the driver side (shown) and two located on the passenger side of the vehicle.
  5. Pull back the trunk trim.

  6. Object Number: 1508954  Size: B4
  7. Turn the two wing nuts counterclockwise and remove them.
  8. Pull out the taillamp assembly and disconnect the wiring harness.

    1. Object Number: 1508938  Size: B3

      Taillamp

      Stoplamp/Taillamp/Turn Signal Lamp

      Sidemarker Lamp

      Taillamp

      Back-up Lamp

  9. Turn the bulb socket counterclockwise to remove it.
  10. Pull the old bulb straight out of the bulb socket.
  11. Push the new bulb straight into the bulb socket until it clicks.
  12. Turn the bulb socket clockwise to reinstall.
  13. Reconnect the wiring harness.
  14. Push the taillamp assembly back into place on the vehicle.
  15. Turn the two wing nuts clockwise to reinstall them.
  16. Place the trunk trim to its original location.

  17. Object Number: 1508940  Size: B4
  18. Turn the four plastic wing nuts clockwise to reinstall them back into their original location.
  19. Return the convenience net to its original location.