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panhandler62 · 10-16-2012, 02:24 PM

Someone should verify but... I think 12v is supplied to the pump from the wiper motor when the motor is on and that the push button incorporated in the wiper switch provides the ground.

10-16-2012, 02:24 PM	#2
panhandler62 Java Mechanic Join Date: Jun 2005 Location: Martinsburg, WV Posts: 6,764	Re: '71 K20 Windshield Washer Problem Someone should verify but... I think 12v is supplied to the pump from the wiper motor when the motor is on and that the push button incorporated in the wiper switch provides the ground. __________________ Keith 11 Lincoln MKT -- Momma's wagon 13 G37xS -- middle age crazy car 68 C20 Fleetside -- RIP Decorating the whole town up at a cost of $27 ....