Does wiper use a relay - Team Camaro Tech
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post #1 of 8 (permalink) Old Oct 28th, 14, 09:54 AM Thread Starter
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Ken
 
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Does wiper use a relay

So my wipers work if I push in on the knob. but when I turn the knob it doesn't work. My blinkers did the same thing and I replaced the relay and they work great now.

So I'm wondering if anyone knows where i can begin looking, if there is a relay, etc

thanks
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post #2 of 8 (permalink) Old Oct 28th, 14, 10:40 AM
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Michael
 
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Re: Does wiper use a relay

No relay on 1st gen cars (hopefully you're talking about a 1st gen car).
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post #3 of 8 (permalink) Old Oct 28th, 14, 10:46 AM Thread Starter
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Ken
 
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Re: Does wiper use a relay

Yes, a 1968.
Any idea why they wouldn't stay on without me just holding in the knob?
maybe knob is bad...
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post #4 of 8 (permalink) Old Oct 29th, 14, 03:15 AM
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Re: Does wiper use a relay

When you push in the knob, you are requesting washers and wipers come on automatically.
I believe, the knob also turns to LOW speed as you push, then the operator manually turns off the wiper motor by turning the knob to OFF.

Motor power goes through the washer pump for wiping.
Might need a new wiper switch in the dash.

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post #5 of 8 (permalink) Old Oct 29th, 14, 01:14 PM
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Michael
 
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Re: Does wiper use a relay

Or cleaned.

Or grounded.

Or wiring checked.
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post #6 of 8 (permalink) Old Oct 29th, 14, 07:01 PM
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Re: Does wiper use a relay

I have the same issue with my 67. , Since I don't intentionally drive it in the rain, it's not high on my list of things to fix. Now, if I knew exactly how to fix it, I would. I was betting on a bad ground. Now, I am not so sure. I hope you'll post what you find with yours and I'll do the same.

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post #7 of 8 (permalink) Old Oct 30th, 14, 03:13 AM
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Re: Does wiper use a relay

Quote:
Originally Posted by mahunt View Post
Or grounded.
Wiper switch body to dash is the ground path for wipers.

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post #8 of 8 (permalink) Old Oct 30th, 14, 05:48 AM
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Re: Does wiper use a relay

Yes. And if it is missing the star washer or not tight enough (i.e., not grounding properly), the switch only grounds when the pressure if your hand forces switch body contact with the dash by pushing the switch in.

Release your hand, motor stops.
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