GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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


    Object Number: 1633244  Size: SH
  1. Disconnect the negative battery cable.
  2. Open the liftgate.
  3. Remove the center high-mounted stop lamp (CHMSL) cover and screws.

  4. Object Number: 1633246  Size: SH
  5. Remove the CHMSL screws.
  6. Remove the CHMSL.
  7. Remove the bulb.

Installation Procedure


    Object Number: 1633246  Size: SH
  1. Install the CHMSL bulb.
  2. Install the CHMSL with the screws.

  3. Object Number: 1633244  Size: SH
  4. Install the CHMSL cover with the screws.
  5. Connect the negative battery cable.
  6. Close the liftgate.