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Parking brake causing noise

Discussion in 'CB Radio Forum' started by Swift09, Aug 29, 2020.

Page 1 of 2
  1. Aug 29, 2020 #1
    Swift09

    Swift09 Light Load Member

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    Why when I release the parking brake on the truck do I get an increase of static? Truck is a 2001 387
     
    Swift09, Aug 29, 2020
    Swift09, Aug 29, 2020
    #1
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  3. Aug 29, 2020 #2
    AModelCat

    AModelCat Road Train Member

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    LED/aftermarket running lights?

    My LED light bar screws with my FM radio reception, can't see why it couldn't mess with the CB too.
     
    AModelCat, Aug 29, 2020
    AModelCat, Aug 29, 2020
    #2
  4. Aug 30, 2020 #3
    Ridgeline

    Ridgeline Road Train Member

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    Does the noise go away if you apply the brakes?
     
    Ridgeline, Aug 30, 2020
    Ridgeline, Aug 30, 2020
    #3
  5. Aug 30, 2020 #4
    Swift09

    Swift09 Light Load Member

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    Jul 4, 2019
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    No, not the service brakes with the pedal. Just parking brake. I didn't know there was any electronics tied in with the parking brake? I had the valves out a couple months ago I thought it was just valves?
     
    Swift09, Aug 30, 2020
    Swift09, Aug 30, 2020
    #4
  7. Aug 30, 2020 #5
    craig_sez

    craig_sez Road Train Member

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    In many trucks static disappears when you apply foot brakes...Wheel brg static,apply some graphite powder in wheel brg oil..Poof gone..
     
    craig_sez, Aug 30, 2020
    craig_sez, Aug 30, 2020
    #5
  8. Aug 31, 2020 #6
    Ridgeline

    Ridgeline Road Train Member

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    Should not be anything that causes static in a 2001, abs module maybe if it has one. The only other thing I can think of is if it has a body computer and thats starting to freak out with age. The other thing is how old is the coax itself?
     
    Ridgeline, Aug 31, 2020
    Ridgeline, Aug 31, 2020
    #6
  9. Aug 31, 2020 #7
    craig_sez

    craig_sez Road Train Member

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    True..Didnt notice yr of the truck..
     
    craig_sez, Aug 31, 2020
    craig_sez, Aug 31, 2020
    #7
  10. Aug 31, 2020 #8
    Roberts450

    Roberts450 Road Train Member

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    Only thing I can think of is it be a truck that goes to Canada and has day time running lights that come on when the brakes are released.
     
    Roberts450, Aug 31, 2020
    Roberts450, Aug 31, 2020
    #8
    AModelCat Thanks this.
  11. Sep 1, 2020 #9
    AModelCat

    AModelCat Road Train Member

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    Pretty much what I was thinking lol. Especially if the headlights were swapped out to LED/HID at some point.
     
    AModelCat, Sep 1, 2020
    AModelCat, Sep 1, 2020
    #9
  12. Sep 1, 2020 #10
    craig_sez

    craig_sez Road Train Member

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    Usually the dtr are the signals vs the actual headlights..
    Being a 2001 it would have to be an aftermarket add on..
    Unplug them all or pull the fuse and see..
     
    craig_sez, Sep 1, 2020
    craig_sez, Sep 1, 2020
    #10
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