1993 Chevrolet Lumina Owner's Manual - Page 225

Back-Up light Bulb Replacement 4. To remove a socket with a tab, press the tab, turn the socket counterclockwise and pull it out. To remove the othersockets, just turnthem counterclockwise and pull them out. 5. Pull the bulb out. Do not twist it. 6. Push the new bulbinto thesocket. 7. Replace the socket in the light assembly. 8. Tighten the socket (both kinds) by turning it clockwise. 9. Replace the carpeting and fasteners. See the Index under Replacement Bulbs to check the size and type of bulb you need to use. To Replace the Bulb: 1. Open the trunk and move the carpet away from the back of the vehicle. 2. Remove both tail/stop/turn signal assemblies as described earlierin this section. 3 Remove the four wing nuts behind . the back-up assembly. 4. Pull the back-up light assembly from the vehicle. 5. Push the tabon the socket andturn the socket counterclockwise. 6. Pull the socket $om the back-up assembly. 7. To remove the bulb, pullit out of the socket. Do not twist the bulb. 8. Push the new bulbinto the socket. 9. Reverse steps 1-5 to replace the light assemblies.