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Signals won't work

Discussion in 'Ford Trucks' started by cet, Dec 9, 2011.

  1. cet

    cet PlowSite Fanatic
    Messages: 7,257

    I have a friend with a 2002 F450 4x4 diesel. His hazards work but his signals will only work if you have the headlights on and they blink really slow. If the lights are off they don't work at all.

    Any idea's.
  2. cet

    cet PlowSite Fanatic
    Messages: 7,257

    He changed the relay this morning and that fixed the problem. Not sure how the hazards work but not the signals but who cares the problem is solved.
  3. mikegooseman

    mikegooseman Senior Member
    Messages: 123

    Hey Chris, is it a F-750 ?? :laughing: Tell him to be careful with those !
  4. MickiRig1

    MickiRig1 PlowSite Veteran
    Messages: 3,617

    Little tip on plow trucks. Buy the heavy duty blinker units. Your lighting extra lights. The regular replacement units do not last.
  5. greywynd

    greywynd PlowSite.com Addict
    Messages: 1,370

    Even the heavy duty flashers these days don't always stand up, seems I have to replace one in something every 2-3 years.
  6. samjr

    samjr Senior Member
    Messages: 481

    Would this make the

    Can this make the park lights go dim when sig is on ?