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isolation modules

Discussion in 'Western Plows Discussion' started by Green Grass, Mar 8, 2008.

  1. Green Grass

    Green Grass PlowSite Fanatic
    Messages: 9,577

    what is the difference in a 3 port isolation and a 4 port isolation modules??
  2. Sharpcut 1

    Sharpcut 1 Senior Member
    Messages: 386

    4 port had seperate harness for passenger side and drivers side lights. 3 port shares a harness for left and right side. Whats your problem? need to interchange them???
  3. Green Grass

    Green Grass PlowSite Fanatic
    Messages: 9,577

    just wondering dealer offers both for my F350 curious what the difference is. thanks for the help
  4. Crash935

    Crash935 2000 Club Member
    Messages: 2,377

    Not much differance on the iso mods them selves. Like sharpcut said, its mostly in the harness. 3 port is the newest unit so i would go with that.