GM Service Manual Online
For 1990-2009 cars only

To replace a front turn signal or parking lamp bulb, do the following:

  1. Remove the headlamp assembly as described previously. See Headlamps for more information.
  2. Turn the bulb socket counterclockwise and pull out the bulb.
  3. Unclip the bulb assembly from the wiring harness.
  4. Replace the bulb.
  5. When replacing the bulb, be sure to properly align the bulb with the locating feature in the assembly.

  6. Reverse Steps 1 through 3 to reinstall the lamp assembly.