Fried wiper motor?

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Mar 20, 2015 | 07:54 AM

kcarlasc

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Joined: Feb 2012

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From: Jacksonville-Area FL

Fried wiper motor?

i installed new wiring harnesses in my 76 and I think I cried my wipers.. When I first plugged in the wiper switch it was upside down, after I fixed it and turned my wipers on they work until I turn them off then they bounce instead of parking. They don't respond to the switch and the only way to get them to stop,is to pull the ground off the motor.

I am thinking I need a new motor...

Mar 21, 2015 | 11:58 PM

Msbfdx

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Joined: Feb 2015

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From: Tennessee

Make sure you have good ground at the switch. While I had the center dash out of mine. I tested the switch to ensure it was connected properly and couldmt for the motor to sut down, it just cycled in and out of park...I even saw smoke out of the motor. After reinstalling the center dash with all screws installed the wipers work normal.

Mar 22, 2015 | 05:23 AM

kcarlasc

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From: Jacksonville-Area FL

Thanks. I bench tested the motor, does the same thing... Pretty sure it's toast..

Mar 22, 2015 | 10:24 AM

0Willcox Corvette

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From: Jeffersonville Indiana 812-288-7103

St. Jude Donor '08-'09-'10-'11-'12-'13-'14-'15

Quote:

Originally Posted by kcarlasc

Remove all wires from the motor, remove the bellcrank from the motor and then bench test it just like this in the car. The switch is just a grounding circuit and plenty before you have flipped the switch connector upside down. I don't think you cooked your motor so it's worth it to recheck it and then post back. If it fails, you have fried the motor.

1973-1982 Wiper Motor Testing.

Last edited by Willcox Corvette; Mar 22, 2015 at 10:26 AM.

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