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ABS and trailer hand control valve

Discussion in 'Trailers' started by Old Doug, Feb 13, 2018.

  1. Old Doug

    Old Doug Senior Member

    Joined:
    Oct 16, 2013
    Messages:
    1,301
    Location:
    Mo
    One of the drivers said his trailer brakes didnt work right in a phanic stop loaded. After that he tryed just the trailer brakes and they are just working a little. But he said unloaded they would lock up by useing the hand control.