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3 port or 4 port???

Discussion in 'Fisher Engineering Discussion' started by Mental, Feb 4, 2008.

  1. Mental

    Mental Junior Member
    Messages: 4

    Whats the difference between a 3 port or a 4 port isolation module? Is one better than the other.

    Sorry if this is a silly :jester: question, but I could not find the answer on fishers site.

  2. B&B

    B&B PlowSite Fanatic
    Messages: 12,777

    One isn't really any better than the other. But it depends on what your installing it on as far as which one is the best to use. Some applications only list the 3 port.
  3. itsgottobegreen

    itsgottobegreen PlowSite.com Addict
    Messages: 1,351

    all 08 fords, 08/07 Chevy 1500 require, but rangers and tacos it makes life so much easier on stasting the box under the little hood. Its just one more way for fisher and western to make life harder on snow plow installers. Just more crap for them to stock and even more parts to carry. grrrr