Car Electronics and Lights
Electric Windows
Chevy Silverado
Windshields and Wipers

How do you troubleshoot your wiper motor and switch or pulse board because it only works on high?


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Wiki User
2015-07-15 19:55:38
2015-07-15 19:55:38

It may not be the power motor see if the motor is grounded look for a strap going to the top of the firewall it should look like a metal strap.Make sure it is tight and not broken. If this is not the problem then it may bne the reostate in the wiper control. If so see a garage or dealer.


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Remove switch panel and jump wires on switch- if this works bad switch Remove door panel and see if the motor is getting power-if it is getting power, bad motor

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Check power to window switch. Common cause. Check power to window motor. If none then check fuses/relays.

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check power going to the switch , and power coming out of the switch ,if no power check fuses and wiring for open or shorts , then remove door panel and bench test the motor basically put power to the window motor

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