1998 GMC Suburban Owner's Manual - Page 334

Roof Marker Lamps 1. Remove the screws and lift off the lens. 2. PLIHthe 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. 4. Remove the screws from the bulb retainer and take the bulb retainer off of the lamp assembly. Rear Lamps 1. Open the tailgate or rear doors. 2. Remove the two black plastic plugs from the rear lamp assembly access holes. 5. Pull the old bulb straight out of the socket. 6. Put i n a new bulb and push it straight in until it is tight. 7. Replace the bulb retainer. 8. Replace the rear lamp assembly and tighten the screws. You may want to use a magnetic screwdriver when installing the screws. 9. Close the tailgate or rear doors. 6-42