GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 424591  Size: SH
  1. Insert a small, flat-bladed tool between the switch block/reading lamp housing and the overhead console.
  2. Press inward and down in order to release the switch block/reading lamp housing from the overhead console.

  3. Object Number: 424605  Size: SH
  4. Use a small, flat-bladed tool to push one of the tabs on the reading lamp socket to release the socket from the housing.

  5. Object Number: 424558  Size: SH
  6. Remove the reading lamp socket from the housing.

  7. Object Number: 424562  Size: SH
  8. Pull the bulb from the socket.

Installation Procedure


    Object Number: 424562  Size: SH

    Important: DO NOT touch the glass portion of the bulb. Use a paper towel or a clean shop rag to position the bulb in the socket.

  1. Press the bulb into the bulb socket.

  2. Object Number: 424558  Size: SH
  3. Push the lamp socket into the housing.
  4. Align the forward tab on the switch block/reading lamp housing into the slot in the front of the overhead console.
  5. Align the rear locking tabs to the overhead console.
  6. Press up on the switch block/reading lamp housing in order to snap them into the trim ring.