1994 GMC Suburban Owner's Manual - Page 302

4. Remove the screws from the bulb retainer and take the bulb retainer off of the light assembly. 5. Pull the old bulb straight out of the socket. 6. Put in a new bulb and push it in until it is tight. 7. Replace the bulb retainer. 8. Replace the rear light assembly and tighten the screws. You may want to use a magnetic screwdriver when installing the screws. 9. Close the tailgate or rear doors. Fuses and Circuit Breakers The wiring circuits in your vehicle are protected from short circuits by a combination of fuses, circuitbreakers, and fusible thermal links in the wiring itself. This greatly reduces the chance of fires caused by electrical problems. See "Fuses and Circuit Breakers'' in the Index for more information. Headlights The headlight wiring is protected by a circuit breaker in the light switch. An electrical overload will cause the lights to flicker on and off, or in some cases to remain off. If this happens, have your headlight wiring checked right away. Windshield Wipers The windshield wiper motor is protected by a circuit breaker and a fuse. If the motor overheats due to heavy snow, etc., the wiper will stop until the motor cools. Although the circuit is protected from electrical overload, overload due to heavy snow, etc., may cause wiper linkage damage. Always clear iceand heavy snow from the windshield before using the windshield wipers. If the overload is caused by some electrical problem and not snow, etc., be sure to get it fixed. 6-56