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no plow lights

Discussion in 'Fisher Engineering Discussion' started by 2haveplowed, Jan 20, 2012.

  1. 2haveplowed

    2haveplowed Junior Member
    Messages: 1

    new to this so here goes
    bought a new truck 2011 F350 and toke old MMII off 04 F350
    all has been working fine untill recently when the plow lights stopped working
    checked fuse found it blown, installed new, lights work..for awhile appox 10 sec out the driveway.
    checked connections all looks ok
    also having problem with controls,tell it to do one thing it sometimes (not always) does another
    had intially bought a new Isolation Module for the updated year of truck
    what could possibly be my problem?