Buzzing from blinker relay. w/car on or off.

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  • houstonh
    Wrencher
    • Aug 2007
    • 293
    #1

    Buzzing from blinker relay. w/car on or off.

    I just swapped in a new blinker stalk and 13 button OBC. It was working fine... then I patch everything back together and now all I am getting is a nasty buzzing from the blinker stalk when I move it up or down. I don't see how the relay would have "suddenly" went bad.

    any ideas?
    Tags: None
    • Schnitzer318is
      R3VLimited
      • Jan 2008
      • 2057
      #2
      During my LED conversion I was playing with the flasher relay... I desoldered a small capacitor on the relay and got it to do exactly what you describe. Resoldered it back on and all was well again. You may want to just try another relay to eliminate that as a problem... only $10 at local auto parts store.
      "A good memory for quotes combined with a poor memory for attribution can lead to a false sense of originality."
      -----------------------------------------
      91 318is Turbo Sold
      87 325 Daily driver Sold
      06 4.8is X5
      06 Mtec X3
      05 4.4i X5 Sold
      92 325ic Sold & Re-purchased
      90 325i Sold
      97 328is Sold
      01 323ci Sold
      92 325i Sold
      83 528e Totaled
      98 328i Sold
      93 325i Sold

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        • scobaru
          Grease Monkey
          • Nov 2007
          • 396
          #3
          the part is known as a flasher to be PC.

          theres a wire that heats up looses contact cool and make contact again to flash. vs a relay that uses low voltage to control high voltage

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            • houstonh
              Wrencher
              • Aug 2007
              • 293
              #4
              How about even simpler than that... The issue ended up being I swip-swapped my Hazaed Swithch with my Rear Defrost Switch!!!! DOH! easy fix.. too bad I tore shit apart before figuring it out.

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                • nosignal
                  Wrencher
                  • Oct 2007
                  • 274
                  #5
                  Hahaha, I wonder if this is what I did...I labelled them when I did my dash swap but maybe I mixed them up. Did the Hazard button stay lit up solid when you pressed it hooked up in the wrong spot?
                  ::: Present -- '87 325e, '95 525i
                  ::: Past -- '91 318i, '95 540i/6, '85 323i Euro, '86 325es, '86 325e, '84 318i

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                    • nosignal
                      Wrencher
                      • Oct 2007
                      • 274
                      #6
                      Yep...this was my problem too. Swapped them and I'm back to normal. Other than feeling like a total dunce I'm pretty happy!
                      ::: Present -- '87 325e, '95 525i
                      ::: Past -- '91 318i, '95 540i/6, '85 323i Euro, '86 325es, '86 325e, '84 318i

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