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MM1 to MM2 electrical question

Discussion in 'Fisher Engineering Discussion' started by Rowski, Mar 2, 2013.

  1. Rowski

    Rowski Senior Member
    Messages: 129

    Needs some help.

    I have 2001 Chevy 2500hd with MM1 4 port iso module, 3 plugs up front for straight blade

    Need to go to a MM2 with multiplex straight blade. I have the new harness/plug style(2 high current wires and multiplex wires) and harness for new controller and controller.

    It appears that I need an adapter 29175 to make it work with my 4 port iso module. Right??

    Do I need anything else electrically??

    Just making sure be for I order.

  2. Rowski

    Rowski Senior Member
    Messages: 129

    I went ahead.... The 29175 worked perfectly.