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#1
06-21-2007, 09:33 PM
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windshield wipers
I have a '93 Astro (3.1L) we bought used. The wipers have a mind of their own. When we first got the van they would do about two strokes on occasion. Not a big deal. Changed out the steering column with a used unit, and the wiper problem has gotten worse--now they go about four times almost every few minutes. They're driving us nuts! There doesn't seem to be any consistent cause; whether the turn signal is used or not, acceleration, deceleration, turning the wheel--but sometimes none of the above. Short of pulling the fuse, how can we stop this!
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#2
06-22-2007, 07:33 AM
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Re: windshield wipers
Pretty obvious that you are looking at the wrong part- the well known problem is not in the switch on the steering wheel but in the contacts inside the wiper motor itself- the park position is not working properly- so a new circuit board for the wiper motor is needed or you can fix it by repositioning the two wiper brushes- either way this is know as "phantom" wipers- happens a lot with the S-10 trucks and others- the reverse condition is another fix- where the wipers just stop or do not work- then there is a bad solder joint on the circuit board-- this board can be bought new for about $32 as opposed to the entire wiper motor for $160--
__________________
Automotive A/C Engineer with: '99 IH 4700 Toy Hauler (2) '95 GEO Prizms both maroon '99 GMC Yukon '95 Chev 3500, 454 Dually Crew Cab- 145k miles- Wife's Camel trailer puller. '94 Astro- 370k miles '94 Firebird Formula- 5.7L 180k miles- gone- '92 Chevy Lumina Van 3.8L 264k '86 GMC S-15 - 2.8L 154k '87 Buick Park Ave . 187k '86 Buick Park Ave 3.8L 199k miles- gone '77 Chevy Vega- 2.5L 175k miles gone but not forgotten '68 Camaro 396 4 spd RS/SS -72k miles-
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#3
06-26-2007, 07:54 AM
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Re: windshield wipers
Actually the steering column was replaced to fix another problem - but thanks!
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#4
09-16-2007, 06:11 AM
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Re: windshield wipers
i am having the same problems with my 98 safari van wipiers work when they want to silly me i changed the switch first, seemed to work fine then i tried the washer and nothing. now the wipers are back to intermittent or whenever they want to work should i try the wiper motor pulse board next? or should i have done that first not taking the new switch back out took too long to change so any help would be appreciated.. already cleaned the ground at the wiper motor
thanks john
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#5
09-16-2007, 09:00 AM
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Re: windshield wipers
__________________
CD 1991 W41 #142 1989 Caprice 9C1 1997 C1500 1997 Bonnie SE 1998 Olds 98 LS Recently updated: http://forums.b-body.org
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#6
09-17-2007, 03:36 PM
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Re: windshield wipers
My 98 Astro had the same problem with the wipers, I replaced the board under the plastic cover on the motor assembly, and that cured the problem. Th part was about $20 at NAPA. There is a recall on the 99 Astro (my wife drove one for work) but not the 98, go figure.
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#8
09-23-2007, 06:37 AM
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Re: windshield wipers
pulled the cover off the wiper motor looks as if there is a bad spot but the wipers are working fine now.. so we'll just wait a while i guess. looks like a burnt spot by one of the solder spots.. or i'll just replace the board before winter
thanks for the help
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