GM Service Manual Online
For 1990-2009 cars only

Front Fog Lamp Bulb Replacement LWB SWB

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.

  1. Disconnect the battery ground cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Caution: Refer to Safety Glasses Caution in the Preface section.

    Caution: Refer to Vehicle Lifting Caution in the Preface section.

  3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  4. Remove the air deflector from the front end of the vehicle. Refer to Front Air Deflector Replacement.

  5. Object Number: 1946926  Size: SH
  6. Disconnect the fog lamp bulb assembly electrical connector (1) from the fog lamp assembly (2).

  7. Object Number: 1946928  Size: SH
  8. Remove the fog lamp bulb assembly (1) from the fog lamp assembly (2) by rotating the bulb assembly countercockwise.

Installation Procedure


    Object Number: 1946927  Size: SH

    Important: When replacing the fog lamp bulb do not handle the quartz envelope of the fog lamp bulb. Wipe the quartz envelope immediately with methylated spirits if it is touched accidentally or the performance of the bulb will deteriorate.

  1. Install the front fog lamp bulb assembly (1) to the fog lamp assembly (2) and rotate it clockwise to secure.

  2. Object Number: 1946926  Size: SH
  3. Connect the fog lamp bulb assembly electrical connector (1) to the fog lamp assembly (2).
  4. Install the air deflector to the front end of the vehicle. Refer to Front Air Deflector Replacement.
  5. Lower the vehicle.
  6. Caution: Refer to Battery Disconnect Caution in the Preface section.

  7. Connect the battery ground cable. Refer to Battery Negative Cable Disconnection and Connection.
  8. Adjust the fog lamps. Refer to Fog Lamp Aiming.