Operation CHARM: Car repair manuals for everyone.

Wiper and Washer Systems: Description and Operation


Windshield wiper operation is controlled by a dash or steering column mounted switch. The wiper feed circuit is protected by a fuse which is located in the fuse block on most models, or in an in-line fuse holder on some models with pulse wipers. A circuit breaker, integral with the motor brush holder, protects the motor against overload. Pulse wipers, available on most models, use a variable resistor, a pulse control module, and/or a modified wiper motor to provide a delay wipe mode.