1998 Chevrolet Astro Owner's Manual - Page 322

Electrical System Add-on Electrical Equipment Headlamp Wiring The headlamp wiring is protected by a circuit breaker in the lamp switch. An electrical overload will cause the lamps to go on and off, or in some cases to remain off. If this happens, have yourheadlamp wiring checked right away. I NOTICE: Don't add anything electrical to your vehicle unless you check with your dealer first. Some electrical equipment can damage your vehicle and the damage wouldn't be covered by your warranty. Someadd-on electrical equipment can keep other components from working as they should. Your vehicle has an air bag system. Before attempting to add anything electrical to your vehicle, see "Servicing Your Air Bag-Equipped Vehicle" in the Index. Windshield Wiper Fuses The windshield wiper motoris protected by a circuit breaker and a fuse. If the motor overheats due toheavy snow, etc., the wiper will stop until the motor cools. If the overload is caused bysome electrical problem and not snow, etc., besure to get it fixed. Power Windows and Other Power Options Circuit breakers in the fuse panel protect the power windows and other power accessories. When the current load is too heavy, the circuit breaker opens andcloses, protecting the circuit until the problem is fixed or goes away. 6-60