wiper problem

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by markk, Jul 5, 2023.

  1. markk

    markk Medium Load Member

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    Nov 14, 2011
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    17 Pete 579. Wipers lost all but low speed and it only works on 1 notch below high speed.
    Then it started stopping in different positions when on intermittent .
    Is it the motor or the control on steering wheel ?
    I read it was the control.
     
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  3. Concorde

    Concorde Road Train Member

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    West Melbourne Florida
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    Probably just the stalk. My 21 and 23 389 had/has issues with the wipers cutting out and stopping.
    Just absolute garbage and every time I get one replaced the problem comes back a month or two later. On intermittent sometimes it won’t work or just stops. On low speed it’ll be fine for a few minutes and then just stop..

    Get a new one installed but don’t expect it to last very long..yours sounds like it’s completely worn out.
     
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  4. JB7

    JB7 Medium Load Member

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    Dec 13, 2022
    Laurel, MD
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    Probably correct. But be aware that the wiper control runs through the Chassis Node. See Pin C17 on page 2 of the attachment. Hard to believe they make sheet this complicated. A lot of lighting problems end up being the node.
     

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  5. Concorde

    Concorde Road Train Member

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    West Melbourne Florida
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    Thanks, good information..
     
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  6. markk

    markk Medium Load Member

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    Nov 14, 2011
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    Is this the part on the steering column or something else ?
     
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