Question about 1999 GMC Denali

5 Answers

Occasional loose of windshield wipers and radio

The radio and wipers stop working for a short period of time and then come back to life. Took the car to the dealer who said to wait until they go out for good and then return because they may not find the problem. Could it be a loose connector at the radio. I have had to pandy tie the connector to the 4 wheel drive switch and indicator together because it kept coming and going also. My wife claims it seems to happen after she goes over a bump. Any suggestions would sure be helpful

Thanks

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  • Pop Jan 12, 2009

    I checked for a relay and found none in the fuse compartment. When it went out again I wiggled the windshild wiper arm and it came on instantly. Tapping on the casing next to the wiper motor gave no results. Not sure what's behind there.

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It could be a loose connection at the radio as they are i believe both running on the same fuse.if you jiggle the wiper arm and they come on its a loose connection and youll need to find a way to tighten it up

Posted on Jan 12, 2009

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My wiper issues weren't a relay they were the pulse board on the wiper motor. $20 part and about 5 minute fix. wipers work perfect again now. I am told this is the most common reason for intermittent wiper problems.....

Thanks.

Posted on Jan 12, 2009

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You probably are having trouble with the control module for the windshield wiper motor. Change the wiper control module.

Posted on Jan 12, 2009

  • amber struttman
    amber struttman Jan 12, 2009

    You probably are having trouble with the control module for the windshield wiper motor. Change the wiper control module.

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Check the firewall wiring connector from the under hood fuse box where it goes through to the cab of the truck make sure it is tight, check and make sure the interior fuse box connectors are tight and locked, this is not a problem i have ever seen or heard of, but it is a loose connector or connector pin that is not locked in place, u will need a factory wiring harness diagram to really track this down to the specific system that may be causing the problem

Posted on Jan 09, 2009

  • yadayada
    yadayada Jan 09, 2009


    bunnydawg how would that fix the radio?

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Locate the relay in the fuse panel for the windshield wipers and replace it.

Robert

Posted on Jan 09, 2009

  • Roberta Smith
    Roberta Smith Jan 12, 2009

    the relay would be in the fuse panel located in the engine compartment next to the battery... but your wiggling the arm and it working suggests either a short... or the wiper motor is dying



    Robert

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What could be my problem for my windshield wipers to suddenly start and stop working?


It could be the screws are loose (at the bottom end of the wipers)
There may be a rubber cap you will need to access the screws. (Also worth checking if the wiper motor is working when wipers are not)

Other possibility, the wiper motor fuse is loose with intermittent connection - locate the fuse box and take out all fuses, inspect them for damage/burn marks and insert them firmly back.

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For complete troubleshooting i suggest you few helpful links with accurate solutions.

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http://technoanswers.blogspot.in/2012/02/where-is-wiper-fuse-located-on1993.html

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http://repairhelpcenter.blogspot.com/2011/11/complete-wiper-components-replacing.html

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Do you hear any kind of noise when you starter the wiper function. If yes then fuse is ok, but issue is wiper motor.

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For complete troubleshooting i suggest you few helpful links with accurate solutions.

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Do you hear any kind of noise when you starter the wiper function. If yes then fuse is ok, but issue is wiper motor.

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For complete troubleshooting i suggest you few helpful links with accurate solutions.

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Click the link below:-------


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http://repairhelpcenter.blogspot.com/2011/11/complete-wiper-components-replacing.html

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http://repairhelpcenter.blogspot.in/2012/02/1993-ford-f350-wipers-not-working.html

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http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-windshield-wiper-motor.html

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If no movement at all and no noise then its blown fuse or shorted/loose wiper control wiring:-----
For complete troubleshooting i suggest you few helpful links with accurate solutions.
-------------
Click the link below:-------

1993 Ford F350 wipers not working?

http://repairhelpcenter.blogspot.in/2012/02/1993-ford-f350-wipers-not-working.html
------------ How to Replace a Windshield Wiper Motor

http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-windshield-wiper-motor.html

------------

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http://schematicsdiagram.blogspot.com/2011/12/wipers-not-workingbut-hear-relay-click.html


-----------

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http://technoanswers.blogspot.in/2012/02/where-is-wiper-fuse-located-on1993.html

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http://technoanswers.blogspot.in/2012/04/2002-toyota-sienna-wipers-and-passenger.html

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