GM Service Manual Online
For 1990-2009 cars only

Corner Roof Marker Lamps

To replace one of these bulbs:


    Object Number: 1824624  Size: B3
  1. Remove the screw and lift off the lens.
  2. Turn the bulb socket counterclockwise pull it out of the lamp assembly.
  3. Pull the old bulb straight out of the bulb socket.
  4. Push the new bulb straight into the bulb socket until it connects.
  5. Turn the bulb socket clockwise into the lamp assembly until it locks into place.
  6. Place the side of the lens with the slotted end into the notch first and then tighten the screw.

Center Roof Marker Lamps

To replace one of these bulbs:


    Object Number: 1824627  Size: B2
  1. Push in on the notch with a flat tool and pull the lamp out.
  2. Turn the bulb socket counterclockwise and remove it from the lamp housing.
  3. Pull the old bulb straight out of the bulb socket.
  4. Push the new bulb straight into the bulb socket until it connects.
  5. Place the slotted end of the lamp in place on one side and push the other end of the lamp down until it locks in place.