Wiper and Washer Systems: Description and Operation: Description and Operation

Wipers and Washers
The wiper washer system consists of the following components:
- Windshield wiper blades
- Windshield wiper pivot arms
- Rear window wiper pivot arm (Excursion only)
- Windshield wiper mounting arm and pivot shaft
- Front windshield wiper motor
- Rear window wiper motor (Excursion only)
- Windshield washer fluid reservoir
- Windshield washer fluid pump
- Windshield wiper/washer switch (part of multi-function switch)
- Generic Electronic Module (GEM) (except motorhome)
- Wiper control module (motorhome only)

Windshield Wiper/Washer Switch
The windshield wiper/washer switch is an integral component of the steering column multi-function switch.

Generic Electronic Module (GEM)
The Generic Electronic Module (GEM) responds to the windshield wiper/washer switch commands when the switch is placed in the interval wipe positions.