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head light strobe

Discussion in 'Ford Trucks' started by JTS Landscaping & Lawn Service, Feb 24, 2011.

  1. i have a whelen head light strobe that i have to tap into the high beam wire to flash headlights. wondering what color wire is high beam and low beam its on a 99 F-250
  2. Tony350

    Tony350 Senior Member
    Messages: 546

    get a 12 volt tester and turn your high beams on and unplug the connector and probe the ends. when the tester lights up you have found which wire it is. repeat for th elow beams