1996 GMC Yukon Owner's Manual - Page 295

Center High-Mounted Stoplamp (CHMSL) The individual bulbs in the CHMSL are not replaceable. See your dealer for assistance. Rear Lamps I . Open the tailgate or rear doors. 2. Remove the two black plastic plugs in the rear lamp assembly access holes. Remove the two rear lamp assembly screws inside the fenderand pull out the lamp assembly. You may want to use a magnetic screwdriver when removing the screws. Roof Marker Lamps 1. Remove the screws and lift off the lens. 2. Pull the bulb straight out of the socket. 3. Put a new bulb into the socket and push it in until it is tight. 4. Replace the lens and tighten the screws. 6-41