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help! plow not working

Discussion in 'Fisher Engineering Discussion' started by ogre, Dec 10, 2007.

  1. ogre

    ogre Junior Member
    Messages: 1

    i have a mm1 plow on a 93 gmc -- the plow worked all summer (moved truck for mowing) and as soon as we got snow it didn't work -- replaced the solenoid, 9 pin harness, and pump motor, still not working -- i have power in the positive wire (to pump motor) until i attach it to the pump -- any ideas why ??????
  2. poncho62

    poncho62 Senior Member
    Messages: 431

    Water in fluid which has frozen with the cold temps.....just a guess.

    Is it just up-down not working, or angling too?

    edit...Sorry...You are saying motor is not running at all?....First, check your grounds.
    Last edited: Dec 10, 2007