03-12-2011, 07:07 PM | #1 |
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Join Date: Jun 2010
Location: Clarksville, Tn
Posts: 142
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wiper trouble
i have a 70 c10 that ive been getting road worthy but i am having wiper trouble. at first i didnt think they worked at all. but earlier i turned the switch and they moved barely. so i wd40ed the wiper arm thinking it may have seized but it didnt speed up. they act like they arent getting enough power but my battery and alternator work great. as far as i know, its the original motor also. appreciate any ideas?
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03-12-2011, 08:06 PM | #2 |
Senior Member
Join Date: Jul 2001
Location: Muskegon,MI,USA
Posts: 6,026
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Re: wiper trouble
Did you check the wipers whan the windshield was wet or dry?
If the windshield was wet check the voltage at the wiper and make sure the switch is well grounded. If they are good then it is a good possibility that the motor is getting weak. Jim
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1971 Shortbox step side 4x4, 350 sbc, 3:07 rear end 1965 Impala SS 400 sbc, Muncie rock crusher 1966 Impala SS 396 bbc, TH 400 1969 El Camino, 350 sbc, TH 350 1971 Snowplow built on a Blazer frame 1972 GMC Short bed, stepside, TH 400, 427 BBC |
03-12-2011, 08:35 PM | #3 |
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Join Date: Aug 2007
Location: Sachse, Texas
Posts: 614
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Re: wiper trouble
We had the same problem, the motor was weak. It would some times push them one way but not the other. You can test the motor, follow the instructions at this link:
http://67-72chevytrucks.com/vboard/s...d.php?t=413551 |
03-12-2011, 08:44 PM | #4 |
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Join Date: Nov 2009
Location: newbury park california
Posts: 1,038
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Re: wiper trouble
I had the same issue with my avatar truck. turned on the wipers and they moved real slow(in the rain no less) after about 5 minutes they sped up. I think it was because the truck sat for 5 years or better & they just dried up now my wipers are a little slower than I would like but still work and I'm ok with it. cheers, Pat
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