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Old Jun 10, 2022 | 02:53 PM
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Default wiper motor

i have a 1968 chevy van, cannot get the wipers to work, new motor new switch, totally confused
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Old Jun 10, 2022 | 03:53 PM
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Do you have power at the connector? Do you have a dvom?
I remember some of these old systems had ground issues at the motor. Run a wire from the battery negative to the motor case and see if they work.

Last edited by carfixer007; Jun 10, 2022 at 03:55 PM.
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Old Jun 11, 2022 | 06:19 PM
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have power to yellow wire on wiper motor. motor will run if I manually ground light blue or black wire, but will not run through switch
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Old Jun 11, 2022 | 11:20 PM
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Originally Posted by bassfisherman
have power to yellow wire on wiper motor. motor will run if I manually ground light blue or black wire, but will not run through switch
That shouldn't be hard to back probe. Do you have a wiring diagram?
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Old Jun 12, 2022 | 06:35 AM
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no i cant find one. lots of diagrams for other early chevrolets
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Old Jun 12, 2022 | 06:37 AM
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does the base of the switch supply ground for all 3 wires, colors are light blue, dark blue, and black
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