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Old 03-10-2018, 09:02 PM   #73
LockDoc
The Older Generation


 
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Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,331
Re: Testing Windshield Wiper Motors

Quote:
Originally Posted by Mav View Post
I bench tested motor per your instructions, everything worked fine, put in pickup and all I get is a click when I turn the wiper switch on. If I depress switch for washer pump it runs (low and high). Its a new switch and I tested the 3 wires to switch for continuity, (all good). Where would you go from here? thanks Lockdoc. Mav

Did you check all of your ground straps as I suggested in the thread you originally posted? I included a link to the ground strap thread. If the cab isn't grounded correctly the motor may not work right.

The new switch could possibly be bad. Is the new switch mounted in the dash? The switch has to be mounted in the dash or the motor wont work because it grounds through the switch housing. You could put the old switch back in and try it.

LockDoc
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