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Guest Message by DevFuse

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windshield wipers

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7 replies to this topic

#1 collind


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Posted 27 August 2003 - 03:37 PM

I have a 87 wagon (GL) on which the intermittent wipers stopped working. They also do not return to the parked position at the bottom of the windshield when you turn them off. Any ideas? Would the bad switch be in the steering wheel column or is there a relay hiding somewhere that I didnt find? Not that I'll need the wipers soon... it hasnt rained here in Seattle for months! Thanks in advance.. Collin

#2 MorganM


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Posted 27 August 2003 - 04:06 PM

This happend all the time on my old buick. Check connections at the motor under the hood. Thats the most likely spot for corrosioan and breakage. The other switches and such are pretty well enclosed in the cabin.

Start easy and work to the harder stuff.

#3 Qman


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Posted 27 August 2003 - 04:10 PM

It may be the wiper control under the dash. The most likely culprit is the wiper motor itself. It is pretty easy to replace.


#4 Skip


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Posted 27 August 2003 - 04:13 PM

Collin, the problem is in the wiper motor gear train.
This is attached to the wiper motor which is beside the drivers side hood hinge.
You will see a ground wire from the center, make sure it has a clean connection to ground.
If that doesn't fix it, take the round cover off and clean the "wiper" contacts under it.
This function controls both the int wipers and the park position.
Hope this helps

#5 gravelRX


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Posted 27 August 2003 - 07:22 PM

Under the steering wheel? That has a relay mounted on it that controls the int. and the park. It's a black box with a blue connector. had mine off checking the ECU while troubleshooting and the symptoms were the same. you have to disconnect it to remove the panel completely.

Not trying to stir anything up but I noticed three separate and distinct answers on this question including mine. Curious to see what it is because I usually heed the advice of Q and Skip respectively. Morgan has a good suggestion for the K.I.S.S. method too.
Although I seldom see the easy things until I'm struggling with the most difficult, unneeded fix.



#6 TomRhere


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Posted 28 August 2003 - 03:49 AM

Lost the intermitant wipers, and they wouldn't park, just stop where ever you shut them of at. Also noticed my turnsignals didn't work either. Thinking a major wiring gremlin here... But it turned out to be a blown fuse. New fuse, everything is working as it should be. This is on my '82.....................

#7 Skip


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Posted 28 August 2003 - 06:20 AM

Jay, thanks for the props.

Collin, the intermittant timer and realy control unit that the above gentlemen speak of is easily found as it is mounted on the trim panel you must take down to access the ECU.
This is the panel above your knees when driving and covers the underside of the steering col.
If you pull the panel down it is mounted on the edge you will be facing. A small approx 2x2x1"black or gray box. Upluging the unit allows the panel to be removed.
Is it possible you had the panel down and forgot to plug it back in?

My suggestion of the wper motor park position ground is just another possibility.
Good luck, please let us know your findings.

#8 stephenw22


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Posted 28 August 2003 - 08:59 AM

I had the same problem with my car a few years ago. It turned out to be some contacts in the wiper motor gearbox (which is attached to the motor). I fixed it by removing the wiper gearbox's cover plate (round with 3 screws, I think), and straightening out some bent contacts I saw in there. After that, the wipers worked perfectly.

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