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HELP!!! Isolation module, Loud Noise

Discussion in 'Truck & Equipment Repair' started by alliance10, Dec 20, 2012.

  1. alliance10

    alliance10 Junior Member
    Messages: 4

    went to hook the plow and truck up today in prep for the storm and the 3 port isolation module is emitting a loud buzzing noise and stops when the A is unplugged, Its snowing and i need help! Please


    2011 2500
    1 yr old 8.5 western mvp pro plus 2 plug
  2. alliance10

    alliance10 Junior Member
    Messages: 4

    i have functioning lights but no plow power,
  3. LON

    LON Senior Member
    Messages: 749

    Solenoid go bad? Had that happen to a Xtreme V.
  4. alliance10

    alliance10 Junior Member
    Messages: 4

    no selonoid, in a 3 port 2 plug western.
  5. D&JsLawn

    D&JsLawn Member
    Messages: 79

    Yes there is, its under the cover on the plow.
  6. unhcp

    unhcp PlowSite.com Addict
    Messages: 1,267

    Where is the noise? does the controller light up?
  7. mcwlandscaping

    mcwlandscaping 2000 Club Member
    Messages: 2,557

    Make sure you have a full 12v connection (check it) to the red wire in the cab for the controller. I had an issue with the connection with mine and it caused the iso module to buzz real loud. I thought i fried it but after checking that wire and making a better connection all was better!