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No headlights on truck after install MM1 2 plug

Discussion in 'Fisher Engineering Discussion' started by coostv, Sep 3, 2011.

  1. coostv

    coostv Junior Member
    Messages: 21

    I just finished installing the truck side wiring for my MM1 plow and have no headlights on the truck unless I unhook the blk/or wire from the relays. I had no headlights on the plow until I ran a wire from the blk/or wire in the solenoid to the negative battery post...

    this is on a 95 F series truck with HB5 lights.

    This is getting frustrating.
  2. coostv

    coostv Junior Member
    Messages: 21

    Nevermind, I think I need a new truck side plug. I played with it some more and unhooked the wire I ran to the negative post and they work now.

    Now I have intermittent plow function. The terminals look bad so I think I may replace the plug before I go any further.