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02-12-2015, 05:45 PM
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#1 |
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Registered User
Join Date: Nov 2014
Location: white salmon washington
Posts: 25
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Wiper ground
On a 57 factory electric wiper setup, do I need to run a ground wire or will the mounting in factory brackets suffice or the ground?
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02-12-2015, 06:16 PM
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#2 |
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Registered User
Join Date: Jan 2015
Location: Santa Monica
Posts: 264
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Re: Wiper ground
That is a good question
I believe the units were internally grounded (grounded off the cab mount) but if your motor housing or mounts are rusted you may want to attach a ground wire to be sure.
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Déjà vu. It's that feeling you get when you hit your thumb with the hammer a second time '59 Chevy 3100 Stepside |
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02-12-2015, 07:42 PM
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#3 |
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Registered User
Join Date: Jun 2006
Location: Idaho
Posts: 8,800
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Re: Wiper ground
Yes, wiper body grounds thru the bolts to the cab. rust or fresh paint will keep it from grounding. If painted chase the threads with a tap. If rusted add a ground wire from housing bolt to good bare metal.
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1959 Chevy Short Fleetside w/ 74 4WD drive train (current project) OrrieG Build Thread 1964 Chevelle Malibu w/ 355-350TH (daily driver) Helpful AD and TF Manual Site Old Car Manual Project |
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02-12-2015, 07:56 PM
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#4 |
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Registered User
Join Date: Feb 2013
Location: Grants Pass Oregon
Posts: 473
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Re: Wiper ground
Here are some pictures from my 55.2 wiper motor that I finished working on recently. It does need a ground wire if you have the rubber vibration grommets installed. Maybe the mounts changed by 57, I'm not sure but a ground wire wouldn't hurt.
Earl
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