Front Turn Signal

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  • jeffnhiscars
    R3V OG
    • Jun 2011
    • 6010

    #16
    Originally posted by jlevie
    Turn signals bulbs are wired in parallel. When a bulb burns out, has a bad ground, connector/socket problem, etc., The resistance of that part of the circuit increases. That results in less current flow and a fast flash.
    Of course they are parallel..or they would both go out if one blows. Either way I dont see how a burned out bulb can increase resistance since that energy path is open.
    Seat Shocks....I have passed the baton to John Christy from Ninestitch. Email John or Garrett at ninestitch1@gmail.com

    https://www.r3vlimited.com/board/sho...86#post4944786
    Alice the Time Capsule
    http://www.r3vlimited.com/board/showthread.php?t=360504
    87 Zinno Cabrio barn find 98k and still smells like a barn. Build thread http://www.r3vlimited.com/board/show...20#post3455220

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    • DaveSmed
      E30 Fanatic
      • Apr 2007
      • 1406

      #17
      Two working turn signal bulbs wired in parallel come out to about 3.25 ohms.

      One craps out due to circuit faults or a bad bulb, your turn signal circuit now sees about 6.5 ohms.
      -Dave
      2003 Lincoln Towncar | 1992 BMW 325iC | 1968 Cadillac Deville

      Need some help figuring out the ETM?

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      • fronton
        E30 Fanatic
        • Oct 2009
        • 1262

        #18
        Originally posted by mcaden
        I am pretty sure the problem is the connection at the turn signal housing and a replacement will fix the problem.

        -Marc
        Yes, this is still your problem. One of your prongs is jacked

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        • tim88325is
          Wrencher
          • Jul 2008
          • 201

          #19
          You may also want to check the wiring harness along the radiator and behind the passenger side lights.

          The harness can rub off its insulation against the metal supports and start to cause issues with the wipers/washer jets among other things routed to that corner of the car.

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