GM Service Manual Online
For 1990-2009 cars only

High Mount Stop Lamp Replacement Four Door

Removal Procedure

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


    Object Number: 1308864  Size: SH
  1. Disconnect the negative battery cable.
  2. Open the rear deck lid.
  3. Remove the bolts and the center high-mounted stop lamp (CHMSL).

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1308864  Size: SH
  1. Install the CHMSL with the bolts.
  2. Tighten
    Tighten the CHMSL mounting bolts to 4 N·m (35 lb in).

  3. Connect the negative battery cable.

High Mount Stop Lamp Replacement Wagon

Removal Procedure

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


    Object Number: 1538135  Size: SH
  1. Disconnect the negative battery cable.
  2. Open the liftgate.
  3. Remove the liftgate trim cover screws.
  4. Remove the liftgate trim cover.
  5. Remove the liftgate lower garnish molding. Refer to Liftgate Lower Garnish Molding Replacement .

  6. Object Number: 1538137  Size: SH
  7. Disconnect the electrical connector.
  8. Remove the rear wiper motor. Refer to Rear Window Wiper Motor Replacement .
  9. Remove the license plate lamps bracket bolts and the nuts.
  10. Remove the license plate lamps bracket.
  11. Remove the station wagon door latch rod.

  12. Object Number: 1538139  Size: SH
  13. Remove the center high mounted stop lamp nuts.
  14. Remove the center high mounted stop lamp.

Installation Procedure


    Object Number: 1538139  Size: SH
  1. Install the center high mounted stop lamp.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the center high mounted stop lamp nuts.
  4. Tighten
    Tighten the center high mounted stop lamp nuts to 4 N·m (35 lb in).


    Object Number: 1538137  Size: SH
  5. Install the license plate lamps bracket.
  6. Install the license plate lamps bracket bolts and nuts.
  7. Install the station wagon latch rod.
  8. Install the rear wiper motor. Refer to Rear Window Wiper Motor Replacement .
  9. Connect the electrical connector.

  10. Object Number: 1538135  Size: SH
  11. Install the liftgate lower garnish molding. Refer to Liftgate Lower Garnish Molding Replacement .
  12. Install the liftgate trim cover.
  13. Install the liftgate trim cover screws.
  14. Connect the negative battery cable.