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Headlight issue with 98 chevy

Discussion in 'Truck & Equipment Repair' started by greenhouseguy, Dec 14, 2009.

  1. greenhouseguy

    greenhouseguy Junior Member
    Messages: 2


    I am first-timer. Bought a used 7.5" Western Unimount and put it on my 98 chevy. The truck has quad headlamps with DRL's. The wiring harness has a 9 pin connection. I've got the wiring all connected, and everything with the plow works fine; raises, lower, side to side, headlights on plow and headlights on truck (when the plow is connect). But when I disconnect the plow, I don't have truck headlights - no highbeams, no low beams. But the DRL's still work. Any ideas?

    Thanks a lot.
  2. RichG53

    RichG53 PlowSite.com Addict
    Messages: 1,135

    Is there a switch on the controller to switch between truck and plow lights ????
    It's a start .....
  3. Crash935

    Crash935 2000 Club Member
    Messages: 2,377

    relays wired wrong
  4. greenhouseguy

    greenhouseguy Junior Member
    Messages: 2

    Thanks for the help. Your ideas led me to find the problem.
  5. TLB

    TLB Senior Member
    Messages: 275

    Glad you found the problem quickly.
    Lots of info on the site here.