9400 wiper problem.

Discussion in 'International Forum' started by kwswan, Sep 26, 2019.

  1. Sep 26, 2019 #1
    kwswan

    kwswan Road Train Member

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    Jul 26, 2009
    mcminnville,tn.
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    I have a 99 model 9400. When you start the truck sometimes the wipers will come on.
    They also will come on at random times going down the road. It started doing this after the wiper motor was replaced.
    Do I need a new switch or could it be the motor?
     
    kwswan, Sep 26, 2019
    kwswan, Sep 26, 2019
    #1
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  3. Sep 28, 2019 #2
    Heavyd

    Heavyd Road Train Member

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    6,276
    Feb 4, 2009
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    Unplug your dash switch, if it still does it, then the motor park circuit or park switch inside the motor itself is faulty.
     
    Heavyd, Sep 28, 2019
    Heavyd, Sep 28, 2019
    #2
    kwswan Thanks this.
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