2005 Chevrolet Express Van Owner's Manual - Page 279

Center High-Mounted Stoplamp (CHMSL) Your vehicle's center high-mounted stoplamp (CHMSL) is located above the rear doors at the center of the vehicle. If items are loaded on the roof of the vehicle, as in a luggage carrier, care should be taken not to block or damage the center high-mounted stoplamp unit. Taillamps To replace the taillamp bulb(s), do the following: 1. Remove the two inboard nuts on the side assembly. 1. Remove the screws from the CHMSL assembly. 2. Remove the assembly. 3. Turn the bulb counterclockwise one quarter turn to remove it from the socket. 4. Install a new bulb. 5. Reverse the steps to reinstall the assembly. 2. Pull the side assembly rearward to clear the studs. 3. Slide the assembly slightly upward to release the lower clip. 4. Reinstall the clips to the side assembly. 5. Remove the three nuts on the taillamp assembly. 6. Remove the taillamp assembly from the vehicle. 5-49