GM Service Manual Online
For 1990-2009 cars only

To replace one of these bulbs, do the following:

  1. Open the trunk. See Trunk for more information.

  2. Object Number: 987281  Size: B4
  3. Remove the two screws that attach the taillamp assembly to the vehicle.
  4. Pull the assembly sideways out from the panel so that the locating pegs on the side of the lamp assembly snap free from the clips.
  5. Turn the appropriate bulb socket counterclockwise while holding the assembly, to release it from the housing.
  6. Remove the bulb from the socket by pushing it in and turning it counterclockwise. The turn signal bulb must have amber colored glass.
  7. Install the new bulb into the bulb socket by pushing it into the socket and turning it clockwise.
  8. Install the bulb socket into the lamp housing, ensuring that the socket locks securely into place.
  9. Ensure that the lamp assembly clips are seated correctly. Fit the housing to the body, so that the locating pegs snap into the clips.
  10. Install and tighten the attaching nuts to secure.