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high/low beam on ht2

Discussion in 'Fisher Engineering Discussion' started by 4d9, Jan 19, 2012.

  1. 4d9

    4d9 Junior Member
    from 49329
    Messages: 12

    I purchased a new ht2 at the end of november. I have it installed on a new style 07 gmc.

    when i start the truck both low beams come on on the plow. When i switch to high beams both high beams come on. when i switch back to low beams only the passenger side comes back on. drive it for a little while then the drivers side will come back on sometimes. If i stop and shut off the truck and restart it when the drivers side wont come back on then it will come back on.

    any ideas
  2. MtnClimber

    MtnClimber Member
    Messages: 45

    Do they have seperate relays for the hi/low beams? That might be the problem.
  3. RepoMan207

    RepoMan207 PlowSite Fanatic
    from Maine
    Messages: 5,039

    I would think that it's an ISO issue...but I'm not sure. For what it's worth, I've never heard of this scenario before. It is under warranty, so I would let your dealer handle it.