GM Service Manual Online
For 1990-2009 cars only

To replace one of these bulbs, do the following:


    Object Number: 808226  Size: B2
  1. Remove the screws and lift off the lamp assembly.

    1. Object Number: 808230  Size: B3

      Cargo Lamp

      Center High-Mounted Stoplamp Bulb

  2. Remove the back plate from the assembly by pressing the release tabs.
  3. Remove the CHMSL bulb by pulling the bulb straight out from the holder back plate.
  4. Remove a cargo bulb by turning the socket counterclockwise and pulling the bulb straight out.

  5. If a CHMSL bulb is replaced, put the new bulb into the socket and press it in until it is tight.
  6. If a cargo lamp is replaced, put a new cargo lamp bulb into the socket and press it in until it is tight before turning the socket counterclockwise.

  7. Reinstall the back plate into the lamp assembly.
  8. Reinstall the lamp assembly and tighten the screws.