1996 GMC Sonoma Owner's Manual - Page 284

Electrical System Add-on Electrical Equipment Headlamps NOTICE: Don't add anything electrical your vehicle to unless you check with your dealer first. Some electrical equipment can damage your vehicle and the damage wouldn't be coveredby your warranty. Some add-on electrical equipment can keep other components from working they as should. Your vehicle has an air bag system. Beforeattempting to add anything electrical to your vehicle, see "Servicing Your Air Bag-Equipped Vehicle" in the Index. The headlamp wiring is protected by an internal circuit breaker. An electrical overload will cause the lamps to go on and off, or in some cases to remain off.If this happens, have your headlamp 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. If the overload is caused by some electrical problem, be sure to get it fixed. Power Windows and Other PowerOptions Circuit breakers protect the power windows and other power accessories. When the current load is too heavy, the circuit breaker opens and closes, protecting the circuit until the problem is fixed or goes away. 6-62