Trailer brake question

Discussion in 'General Truck Discussion' started by FTZ HAIC, Jun 9, 2015.

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  1. FTZ HAIC Staff Member Oregon Chapter Founding Member

    Proportional electric trailer brakes, does the truck vary the brake pressure with voltage, or something like pulse width modulation?
     
    FTZ HAIC, Jun 9, 2015
    #1
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  2. 1970something TOTM Winner Founding Member

    the trailer brake controller applies the brakes with a variable voltage. as the pendulum in the controller swings more voltage is applied.
     
    1970something, Jun 10, 2015
    #2

  3. Archion Vet Zone Article Contributor

    Older controllers use the pendulums. Newer controllers use multi axis sensors like you find in cell phones. That way they are more sensitive and allow greater choice of mounting positions.
     
    Archion, Jun 10, 2015
    #3

  4. FTZ HAIC Staff Member Oregon Chapter Founding Member

    Thanks guys. This weekend I will be replacing the battery on the trailer, removing the wheels and doing a brake inspection. I wanted to be able to test the variable function of the brake while I am at it. I have a pack of some high amp resistors, I'll use this to test various voltages.
     
    FTZ HAIC, Jun 10, 2015
    #4

  5. FTZ HAIC Staff Member Oregon Chapter Founding Member

    Looks like my weekend is not going to be working on that.... but on the 6.0L itself. That will go in another thread.
     
    FTZ HAIC, Jun 10, 2015
    #5
    Archion likes this.
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