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Old 01-20-2009, 10:48 AM
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'03 GMC wipers won't turn off

I did a search for wiper issues, and found nothing about wipers that won't shut off. This on an '03 GMC Sierra pickup with 40k miles.

Driving to work this morning, had my wipers on intermitten when they started full time operation. I tried to shut them off, no luck. They will operate on high and low speed, low speed throughout all ranges of intermitten and no shut off, had to pull the fuse.

Any ideas? Thanks!

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Old 01-20-2009, 11:19 AM
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Switch gone bad...thats all I can think of.
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Old 01-20-2009, 12:42 PM
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That's kind of my thought too, I just thought maybe it had lost it's mind and would reset it I disconnected power. Guessing the switch is in the column, I'll track it down, thanks.
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Old 01-20-2009, 07:33 PM
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Got home from work and did the tap tap thing on the drivers wiper base and it started acting right. Guessing if it was the broken solder issue that wouldn't happen, assuming it's moisture in the motor, I see a fix for that to open the motor cover, dry it and seal it. I'll give that a shot.

Just thought you all might want to know the high tech fix.....
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Old 01-20-2009, 07:54 PM
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The park cam might be getting ready to fail. Pull of the wiper motor cover and give a look see.

Vince
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Old 01-20-2009, 08:09 PM
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I was told about a solder issue in the wiper motor circuit board being the fault, from a former GM mechanic/co-worker. He told me, you just have to pull the wiper motor circuit board, and re-melt a solder joint.

I hope this helps.
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Old 01-20-2009, 09:02 PM
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Quote:
Originally Posted by carsavvycook
I was told about a solder issue in the wiper motor circuit board being the fault, from a former GM mechanic/co-worker. He told me, you just have to pull the wiper motor circuit board, and re-melt a solder joint.

I hope this helps.
That is true, but that fixes an intermittent issue where the wipers just quit working at the most inopportune time.

Vince
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Old 01-20-2009, 09:38 PM
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Quote:
Originally Posted by 302 Z28
That is true, but that fixes an intermittent issue where the wipers just quit working at the most inopportune time.

Vince
Not to disagree but;

He pulled a 'self soldered' wiper motor circuit board out of his tool box, and it fixed the same identical problem, on that truck, that day at work, and it fixed the problem. I won't get into the tail light problems on this board.

Ask me if I would want to hire him, my answer would be always NO.

Just because, all he had worked at, was at GM dealerships, and he knew nothing about any other brand of Vehicles, other than GM Vehicles.
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Old 01-20-2009, 09:57 PM
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Quote:
Originally Posted by carsavvycook
Just because, all he had worked at, was at GM dealerships, and he knew nothing about any other brand of Vehicles, other than GM Vehicles.
I know what you mean. The TSB I saw referred to the intermittent quit problem and addressed the cold solder joint on the wiper motor board right where the plug solders on. I was experiencing the problem on a 97 Tahoe we had and almost replaced the intermittent control module when I ran across the TSB. I pulled the cover off the wiper motor and with a magnifying glass was able to spot the broken solder joint. A quick touch with a hot iron to remelt the solder and it was fixed, never to return again.

Vince
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