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plow use affects radio and truck lights

Discussion in 'Truck & Equipment Repair' started by cardsfan, Jan 7, 2015.

  1. cardsfan

    cardsfan Junior Member
    Messages: 6

    Fisher minute mount plow works but use affects the lights and radio lights -everything dims. Replaced truck battery (was told it was bad) same issue. Cleaned grounds. Recently added new Fish stik Any other thoughts? No snow yet here, but coming.
     
  2. dieselss

    dieselss PlowSite Fanatic
    Messages: 10,976

    Alternator been tested recently?
     
  3. grandview

    grandview PlowSite Fanatic
    Messages: 14,609

    When the plow is cold it will effect the electrical system till it warms up.Ford?
     
  4. cardsfan

    cardsfan Junior Member
    Messages: 6

    Replaced today and still same issue
     
  5. cardsfan

    cardsfan Junior Member
    Messages: 6

    Yes to ford but it didn't do this last year
     
  6. snowplower1

    snowplower1 Senior Member
    Messages: 774

    I heard someone saying they had this issue that when they started the truck ave it wad cold abs used the plow that the fans and radio would turn off and then i thought glad my new Ford doesn't do thay and the next day it did it...
     
  7. kimber750

    kimber750 PlowSite Veteran
    Messages: 3,677

    Clean all the connections, bumper plugs, terminals at the battery and motor. Then do a draw test on the motor. May be getting old and pulling too many amps. Also what fluid are you using?
     
  8. cardsfan

    cardsfan Junior Member
    Messages: 6

    fluid installed by plow dealer but will test motor thanks
     
  9. cardsfan

    cardsfan Junior Member
    Messages: 6

    How do I draw test it? Volt meter? Fluid is right stuff installed by plow repair shop reputable
     
  10. Mark Oomkes

    Mark Oomkes PlowSite Fanatic
    Messages: 10,868

    After ruling out the connections, it is either the pump or motor.

    How old?
     
  11. cardsfan

    cardsfan Junior Member
    Messages: 6

    probably the motor

    truck and plow are 11 years old. Will test motor as I think another post agreed that was probably the issue.
     
  12. weevensteven

    weevensteven Junior Member
    Messages: 8

    Try adding a heavy gauge ground wire from the engine block, to the body(like the firewall). Add an additional wire from the alternator to the battery, and run the negative pump motor wire to the engine block(not the battery). This has solved many "dimming" issues with me.