Wiper/Washer Systems: Description
Porsche 911 and 928S models have a 3-speed wiper motor. All 944 models have a 2-speed wiper motor. All models have an intermittent cycle. A rear wiper may be installed on all models. A steering column lever is used to control the main wiper system.
An instrument panel switch is used to vary the intermittent cycle. All models may be equipped with headlight washer.