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.

Front Fog Lamp Bulb Replacement CSV SWBHSV VXR8

Removal Procedure

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

  1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Remove the front driving lamp. Refer to Front Fog Lamp Replacement .

  3. Object Number: 1946912  Size: SH
  4. Detach the driving lamp bulb cover (1) by rotating counter-clockwise.

  5. Object Number: 1946915  Size: SH
  6. Disconnect the driving lamp electrical connector (1).
  7. Release the driving lamp bulb retaining spring (3) and remove the driving lamp bulb (2).

Installation Procedure

    Caution: Refer to Halogen Bulb Caution in the Preface section.


    Object Number: 1946915  Size: SH
  1. Install the front driving lamp bulb (2) and secure in position with the front driving lamp bulb retaining spring (3).
  2. Connect the driving lamp electrical connector (1).

  3. Object Number: 1946914  Size: SH
  4. Install the driving lamp bulb cover (1) by rotating clockwise.
  5. Install the front driving lamp. Refer to Front Fog Lamp Replacement .
  6. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .

Front Fog Lamp Bulb Replacement LWBHSV

Removal Procedure

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

  1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  2. Remove the front fog lamp. Refer to Front Fog Lamp Replacementin Lighting Systems.

  3. Object Number: 1946922  Size: SH
  4. Detach the front fog lamp bulb cover (1) by rotating counter-clockwise.

  5. Object Number: 1946924  Size: SH
  6. Disconnect the front fog lamp electrical connector (3).
  7. Release the front fog lamp bulb retaining spring (1) and remove the front fog lamp bulb (2).

Installation Procedure

    Caution: Refer to Halogen Bulb Caution in the Preface section.


    Object Number: 1946924  Size: SH
  1. Install the front fog lamp bulb (2) and secure in position with the front fog lamp bulb retaining spring (1).
  2. Connect the front fog lamp electrical connector (3).

  3. Object Number: 1946923  Size: SH
  4. Install the front fog lamp bulb cover (1) by rotating clockwise.
  5. Install the front fog lamp. Refer to Front Fog Lamp Replacement in Lighting Systems.
  6. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.