GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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


    Object Number: 1225264  Size: SH
  1. Disconnect the negative battery cable.
  2. Open the tail gate.
  3. Pry off the tail gate trim panel. Refer to Liftgate Trim Panel Replacement in Body Rear End.
  4. Remove the center high-mounted stop lamp (CHMSL) cover (2) and screws (1).

  5. Object Number: 1225266  Size: SH
  6. Remove the CHMSL screws (1).

  7. Object Number: 1225268  Size: SH
  8. Remove the screw from the bulb socket (1).
  9. Remove the CHMSL (3).
  10. Remove the bulb (2).

Installation Procedure


    Object Number: 1225271  Size: SH
  1. Install the CHMSL bulb.
  2. Install the CHMSL with the screws.
  3. Install the CHMSL cover with the screws.
  4. Install the tail gate trim panel. Refer to Liftgate Trim Panel Replacement in Body Rear End.
  5. Connect the negative battery cable.