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1993 GMC 1500 Pickup

Question: When I turn on my wipers, they just hum and do not work.

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My truck, 5.0L V8, Highland, IN, January 29, 2012, 13:06
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 Rookie

Sometimes you can turn the wipers on high and move the wiper arm and then they may work. Also, when the wipers do work, they will stop in mid-wipe.

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  • Answer #1

    gmc4me January 29, 2012, 13:23
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     Journeyman

    Remove the wiper arms and cowel cover. Check the pivot points at wiper assembly. They may be rusted not allowing wipers to move properly.

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