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MM1 wont raise

Discussion in 'Fisher Engineering Discussion' started by chris694205, Dec 6, 2010.

  1. chris694205

    chris694205 Senior Member
    Messages: 175

    plow worked great all day.. pull it in the garage and now it wont raise.. i can get it to raise really slow but then it drops down after a couple seconds. so i checked the coils and S1 has magnetism all the time which is the white wire with the yellow stripe. What would cause that? A bad controller?
  2. Big Dog D

    Big Dog D PlowSite.com Addict
    Messages: 1,134

    Is the pump/ motor a SEHP or Instact?

    Will it still angle properly? Are all of the plow and vehicle lights functioning properly?

    You said you checked # 1 but did you also check the #3 coil? The raise function requires both the #1 & #3 coils so that will affect it too.
    Last edited: Dec 6, 2010
  3. chris694205

    chris694205 Senior Member
    Messages: 175

    SEHP pump.. still angles great... the headlights arent hooked up through that wiring harness they're aftermarket
  4. chris694205

    chris694205 Senior Member
    Messages: 175

    Turned out to be a bad fishstik to the tune of $125