'78-91 wiper/washer wiring diagrams for 2-speed and interval sys…

'78-91 Wiper/Washer Circuits
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Note that the motor is the same, and the interval governor plugs into the same connector that the non-interval switch uses. So the interval system is PnP.

See also:

Part of 1980-1986 Ford Bronco Wiring Diagrams

Owner caption December 2016 · Photo 5617 of 6546