Quote:
Originally Posted by mickmate
I believe there is a brush contact in the original motors. When you switch it off it keeps the motor energised till the park position is reached and breaks it there.
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That is correct. There is no circuitry required on the switch. All it needs is a swith that will provide an On-On-On facility. The first On position is really the Off position, but it provides an alternative live feed to the wiper moter, which is broken automatically at the motor by a cam when it reaches a pre-defined position.
My Kirkham was supplied without a park facility on the wipers and I've since rewired to to self-park. There was no additional circuitry required for the switch.
Paul