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Lights wont switch from truck to plow

Discussion in 'Western Plows Discussion' started by wishingtoplow, Nov 26, 2013.

  1. wishingtoplow

    wishingtoplow Member
    from Pa
    Messages: 86

    I have a western unimount on my 01 dodge ram 2500. hooked it up last week and everything worked fine. Now, my truck headlights go out but no plow lights come on. Parking lights work on the plow. Where should i start testing? any help is appreciated thanks.
     
  2. dieselss

    dieselss PlowSite Fanatic
    Messages: 10,963

    How many relay setup is it?
     
  3. wishingtoplow

    wishingtoplow Member
    from Pa
    Messages: 86

    it has the 4 relays
     
  4. wishingtoplow

    wishingtoplow Member
    from Pa
    Messages: 86

    I can also hear the relays click when i plug the connector in
     
  5. wishingtoplow

    wishingtoplow Member
    from Pa
    Messages: 86

    anyone have any ideas?
     
  6. dieselss

    dieselss PlowSite Fanatic
    Messages: 10,963

    I do. Gummie a min looking at Westerns website for the wiring diag.
     
  7. kimber750

    kimber750 PlowSite Veteran
    Messages: 3,643

    Would start with grounds and check your fuses. But wait for SS, he has worked on a lot more western plows than I have.
     
  8. dieselss

    dieselss PlowSite Fanatic
    Messages: 10,963

  9. dieselss

    dieselss PlowSite Fanatic
    Messages: 10,963

    you should be getting pwr from the 15amp fuse as well,,,,,red wire, that comes from the small terminal of the plow solenoid under your hood
     
  10. Sharpcut 1

    Sharpcut 1 Senior Member
    Messages: 386

    No headlights at all, or High beam works, and no low beam?? Help us pinpoite if it's a relay problem a little better, or ground.
     
  11. dieselss

    dieselss PlowSite Fanatic
    Messages: 10,963

    Easy sharp. Maybe start a new thread
     
  12. wishingtoplow

    wishingtoplow Member
    from Pa
    Messages: 86

    no plow lights at all. truck headlights work as they should.
     
  13. dieselss

    dieselss PlowSite Fanatic
    Messages: 10,963

    So do you have pwr and gnd?
     
  14. to_buy

    to_buy Senior Member
    Messages: 224

    Power for the change over relays comes from the wire they tap into for the maker lights, and the ground is through the connecotr at the pump. The Butt connectors rot and then the rela\ys won't get power. Solder every connection and heat shrink.
     
  15. dieselss

    dieselss PlowSite Fanatic
    Messages: 10,963

    Sorry grasshopper but your wrong. The pwr for the 4 relay setup is through a 15 amp relay off the small terminal of the plow solenoid. It is gnded by the pump wire but not direbtly