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Originally Posted by HzEmall Customs
Anyone know where I can find wiring diagrams for a GM dash mount wiper switch ?
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I have fooled around with these. They run off grounds. The switch itself must be grounded. The high/low speed are also grounds that go out to the motor.
Not sure what you are wanting to do, but I have found you can use a late model column switch and run it to ground instead of power (as the late models us a power signal to trip the motor) and it will control and old wiper motor.