2005 ABS open circuit on one axle

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Kray4439, Feb 23, 2019.

  1. Kray4439

    Kray4439 Bobtail Member

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    I've replaced both rear sensors and still the right rear showing an open circuit. Can anyone help me diagnosis? Is it even possible with just test light? I do not have ohm meter.
    2005 Peterbilt 379
    Vin# 855057
     
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  3. Goodysnap

    Goodysnap Road Train Member

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    Pull the loom back on the chassis side harness at the offending sensor about 2 feet. Most issues are found in this area, either right at the connector or within the first foot or so. Right where there fold it over and tie it to a brake hose. Give the wires a good tug and sometimes they pull apart.

    Other than that get a meter on at the controller inside the cab and shake it down.
     
  4. Kray4439

    Kray4439 Bobtail Member

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    Where is the controller in cab?
     
  5. Goodysnap

    Goodysnap Road Train Member

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    Bottom center of dash near the floor.
     
  6. Kray4439

    Kray4439 Bobtail Member

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    Thank you
     
    Goodysnap Thanks this.
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