1970 Windshield Wiper Question
Thread Starter
Intermediate
Joined: Feb 2020
Posts: 47
Likes: 18
From: Central Florida
1970 Windshield Wiper Question
The wipers do not run in my 1970. At one point, they did, before the car had the body restored. The switch passes all the continuity tests. I can hear the relay click when I move the switch from off to low and to high. There is power going to the motor at the three bladed connector on the motor, and it got a bit hot as I was troubleshooting it. All the safety switches around the wiper door are missing and I have the door opened. Some general questions before I buy a new motor and that does not solve the problem:
1. The three-bladed connector is the only one connected to the motor. Should there be any other connections like a ground?
2. At off, low, and high, which wires should see voltage?
Thank you!
1. The three-bladed connector is the only one connected to the motor. Should there be any other connections like a ground?
2. At off, low, and high, which wires should see voltage?
Thank you!
Le Mans Master
Joined: Nov 2016
Posts: 9,263
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From: Lake Tahoe, CA
https://www.corvetteforum.com/forums...-problems.html
https://www.corvetteforum.com/forums...r-problem.html
These links to Wilcox may help
https://www.corvetteforum.com/forums...r-problem.html
These links to Wilcox may help
Is my vette stock?? HAHA
Joined: Oct 2015
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From: Im not allowed to tell you
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You have to have the door open switch connected or bypassed. It opens the ground path as well as the override under the dash. I agree with the post above. Do the willcox bench test with the motor still installed
Thread Starter
Intermediate
Joined: Feb 2020
Posts: 47
Likes: 18
From: Central Florida
It was the wiper arm linkages binding up. The motor was trying to turn and does all it is supposed to do once I unbolted the linkages. On to solve the new problem. But better than spending $200 on a new motor.
Is my vette stock?? HAHA
Joined: Oct 2015
Posts: 20,218
Likes: 9,354
From: Im not allowed to tell you
2020 C3 of the Year Finalist - Modified
2020 Corvette of the Year Finalist (performance mods)
2019 C3 of Year Winner (performance mods)
2016 C3 of Year Finalist
Good job. In the aim it says to spray the window with water when testing as well. May be related. I should have mentioned it earlier
Thread Starter
Intermediate
Joined: Feb 2020
Posts: 47
Likes: 18
From: Central Florida
Thanks for that, Willcox Corvette. In your diagrams, the wiper motor has a single wire running from the boxy body of the wiper motor. The functioning motor in my car does not have this wire, or even an empty hole where the wire should be. What does that wire do?
Thanks.
Thanks.
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Thread Starter
Intermediate
Joined: Feb 2020
Posts: 47
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From: Central Florida
In this picture there is a wire labeled B. I don't have one of those. http://repairs.willcoxcorvette.com/c...a-wiper-motor/
Last edited by RRJ70; Feb 6, 2020 at 04:52 PM.