GM Service Manual Online
For 1990-2009 cars only

Front Turn Signal Lamps

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

  1. Remove the headlamp assembly. See Headlamps for more information.
  2. Remove the screw and the front turn signal lamp assembly.
  3. Remove the front turn signal bulb socket by turning it counterclockwise.

  4. Object Number: 1257190  Size: B3
  5. Pull the front turn signal bulb socket out of the lamp housing.
  6. Press the bulb inward and turn it counterclockwise to remove it from the bulb socket.
  7. Install a new bulb into the socket by pressing it in and turning it clockwise.
  8. Install the bulb socket into the lamp housing by turning it clockwise.
  9. Reinstall the front turn signal lamp assembly using the original screw. Tighten securely.
  10. Reinstall the headlamp assembly. See Headlamps .

Parking Lamps

To replace a parking lamp bulb, do the following:

  1. Remove the headlamp assembly. See Headlamps for more information.
  2. Turn the headlamp cap counterclockwise and remove it.

  3. Object Number: 1257191  Size: B3
  4. Pull out the parking lamp socket located next to the headlamp bulb.
  5. Remove the bulb by pulling it straight out of the bulb socket.
  6. Install a new bulb.
  7. Replace the headlamp cap.
  8. Reinstall the headlamp assembly. See Headlamps .