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2009 Peterbilt 386 park brake light stays on?

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by FoxHoleRnch, Mar 28, 2020.

  1. Mar 28, 2020 #1
    FoxHoleRnch

    FoxHoleRnch Bobtail Member

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    Apr 25, 2018
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    Like I said the park light on the dash stays on after pushing in the air valve to release the brakes. Called Pete and they said there is a valve under the kick plate underneath the steering wheel. So I got the part and replaced it. Didn't fix a thing is there another sensor or something that could be causing this? Thanks
     
    FoxHoleRnch, Mar 28, 2020
    FoxHoleRnch, Mar 28, 2020
    #1
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  3. Mar 28, 2020 #2
    Goodysnap

    Goodysnap Road Train Member

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    Jul 12, 2017
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    Make sure you are replacing the correct sensor. There should be a label tag on the harness within a few inches of the connector. Some models will be located close or behind the MV3 or park brake valve. Also the sensor should only have air supplied with the park brake released. Another way to clue in on the correct one.
     
    Goodysnap, Mar 28, 2020
    Goodysnap, Mar 28, 2020
    #2
    cswolley Thanks this.
  4. Mar 28, 2020 #3
    FoxHoleRnch

    FoxHoleRnch Bobtail Member

    17
    12
    Apr 25, 2018
    0
    Ok ya I will look into that some more. There is like 4 of those sensors things down there thanks for the help.
     
    FoxHoleRnch, Mar 28, 2020
    FoxHoleRnch, Mar 28, 2020
    #3
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