GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the headlining. Refer to Headlining Trim Panel Replacement.

  2. Object Number: 2126756  Size: SH
  3. Disconnect the center high mount stop lamp (CHMSL) electrical connector (3) from the CHMSL assembly (2).
  4. Remove the CHMSL assembly to headlining retaining screws (1).
  5. Remove the CHMSL assembly (5) from the headlining (4).

Installation Procedure


    Object Number: 2126756  Size: SH
  1. Install the CHMSL assembly (5) to the headlining (4).
  2. Notice: Refer to Fastener Caution in the Preface section.

  3. Install the CHMSL assembly to headlining retaining screws (1) and tighten to 20 N·m (18 lb ft).
  4. Connect the CHMSL electrical connector (3) to the CHMSL assembly (2).
  5. Install the headlining. Refer to Headlining Trim Panel Replacement