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mm1 insta act 3 plug to 2 plug ram 2500?

Discussion in 'Fisher Engineering Discussion' started by lcncapo, Oct 9, 2008.

  1. lcncapo

    lcncapo Junior Member
    from roch ny
    Messages: 16

    hello i have a 2003 dodge ram 2 plug system truck side that uses relays( no isolation module) the truck side harness has a tag on it that says F 20581. the plow i purchased this year is a mm1 insta-act with 3 plugs. what do i need to do to convert this over to my 2 plug setup?
    thanks for the help!
     
  2. 72gts

    72gts Junior Member
    Messages: 9

    I'm not sure on how to swap your harness around but I would be interested in your plow side harnesses if you don't need them. I have the 3 plug setup but I have the old MM1 with the single lift ram and underhood pump. So I need to change all the harnesses on the plow side to 3 plug. let me know if you want to sell them. Thanks, Ron
     
  3. PLOW_GUY

    PLOW_GUY Junior Member
    Messages: 21

    you need a Fisher part # 8246 to convert your three plug plow to a two plug plow