GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 258818  Size: MH
  1. Release the 2 tabs (7) in order to remove the lens (9).
  2. Release the 2 tabs (4) at the front and the one tab at the rear with a flat thin-bladed tool in order to remove the cover (1).
  3. Pull the cover down and rearward in order to remove the cover.

    Important: Do not let the overhead compartment assembly hang by the wiring.

  4. Disconnect the electrical connectors.
  5. Release the 2 tabs (8) in order to remove the reflector assembly (6).
  6. Disconnect the 2 electrical connectors from the lamp switches (5).
  7. Remove the 2 fasteners from the front of the assembly.
  8. Release the 2 tabs from the front of the assembly.
  9. Reach through the opening. Release the 2 tabs from the rear of the assembly.
  10. Lower the overhead compartment assembly.
  11. Remove the switches from the assembly (if servicing).
  12. Remove the overhead assembly (3).

Installation Procedure


    Object Number: 258818  Size: MH
  1. Install the switches to the assembly.
  2. Snap the assembly (3) into place.
  3. Install the 2 fasteners.
  4. Connect the electrical connectors to the lamp switches (5).
  5. Snap the reflector (6) assembly into place.
  6. Connect the electrical connectors to the switches in the cover (1).
  7. Install the cover.
  8. Install the lens (9).
  9. Ensure the overhead assembly is secured to the roof assembly.