2007 International 4300 wiper issues

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Mashawver, Nov 6, 2019.

  1. Mashawver

    Mashawver Bobtail Member

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    Nov 6, 2019
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    I have a 2007 International 4300 that I don’t have any wipers or high beams. The switch for the washer fluid is working as well as the turn signals and hazards. I have replaced the wiper switch with no success. I also replaced the cab control module for a different issue, but that didn’t make a difference either
     
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  3. Heavyd

    Heavyd Road Train Member

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    Feb 4, 2009
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    Zero volt reference problem between the switch and body controller. Wiper speed and headlight command both share the same ZVR at pin 3 of 1600 at the body controller, wire A9H. It splices several times along the way. Check connector and pin and follow that wire as best as possible.
     
    spsauerland Thanks this.
  4. TexasMddr

    TexasMddr Bobtail Member

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    Nov 9, 2019
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    Make sure the correct relays are installed some are 4 pin some are 5 it’s the middle prong 5 style relays that get swapped around in the pdm
     
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