flasher problems.

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  • Master077
    • Feb 2026

    #1

    flasher problems.

    I have a quick question for you guys. I installed led blinkers on my 1982 gs750t , I have a problem now when I turn my blinkers on both sides will turn on. They also won't flash, there just solid light. What should I do? I went to the auto parts store and bought a two prong electronic flasher relay but this does nothing to help. Did I by chance bought the wrong one? What do I need to do? Do I need to buy a relay especially for led? Maybe a 3 prong relay and add a ground? Do I need to add resistors?
    Thanks everyone for your advice I am trying to finish my bike today so I can ride up to the oso landside with a good friend and give respects to his dad's passing.
  • tom203
    Forum Guru
    Past Site Supporter
    • Aug 2010
    • 8925
    • Norway,Maine

    #2
    The electronic flasher should have worked,though there are different types

    1981 gs650L

    "We are all born ignorant, but you have to work hard to stay stupid" Ben Franklin

    Comment

    • GS(X)400

      #3
      Originally posted by tom203
      The electronic flasher should have worked,though there are different types

      http://www.superbrightleds.com/searc...flasher%20led/
      I had the LF1-S-FLAT on 2 different bikes. Nice small unit that just kinda works

      Comment

      • posplayr
        Forum LongTimer
        GSResource Superstar
        Past Site Supporter
        • Dec 2007
        • 23673
        • Tucson Az

        #4
        You might need to disconnect the TSCU, if you just plugged the new flasher into the harness's stock connector.

        Comment

        • mvalenti
          Forum Mentor
          • Nov 2009
          • 748
          • Haverhill, MA

          #5
          search EP27 flasher 12 bucks...
          -Mark
          Boston, MA
          Suck Squeeze Bang Blow..
          sigpic
          1980 GS850G with 79 carbs.....

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          • Master077

            #6
            So nowi got a new problem. I installed a led flasher relay. Now all blinkers flash at the same time.

            Comment

            • Steve
              GS Whisperer
              • Jun 2005
              • 35924
              • southwest oHIo

              #7
              Do you have a single indicator bulb on the dash that is supposed to be for both sides or do you have separate bulbs for each side?

              If you have a single bulb, you will need to install a couple of diodes and do some minor re-wiring at that bulb.

              .
              sigpic
              mine: 2000 Honda GoldWing GL1500SE and 1980 GS850G'K' "Junior"
              hers: 1982 GS850GL - "Angel" and 1969 Suzuki T250 Scrambler
              #1 son: 1986 Yamaha Venture Royale 1300 and 1982 GS650GL "Rat Bagger"
              #2 son: 1980 GS1000G
              Family Portrait
              Siblings and Spouses
              Mom's first ride
              Want a copy of my valve adjust spreadsheet for your 2-valve per cylinder engine? Send me an e-mail request (not a PM)
              (Click on my username in the upper-left corner for e-mail info.)

              Comment

              • Guest

                #8
                Originally posted by Steve
                Do you have a single indicator bulb on the dash that is supposed to be for both sides or do you have separate bulbs for each side?

                If you have a single bulb, you will need to install a couple of diodes and do some minor re-wiring at that bulb.

                .
                +1 on that.

                Diode kits are available or you can make you own. See:
                Required when installing LEDs as turn signals on motorcycles with single turn signal indicator light. If Diode Kit is not installed, power will back feed across the indicator light and all turn signals will flash at once.

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                • Master077

                  #9
                  Yes I have a single indicator bulb. The weird thing is my flasher bulb in the dash will not flash when I turn the flashers on

                  Comment

                  • Master077

                    #10
                    Do I need to install diodes on each blinker?

                    Comment

                    • Guest

                      #11
                      Your dash flasher bulb is lighting up. Its just that the LEDs use so little current that you can't see it.

                      You need one diode kit. If you make you own, then you need two diodes.

                      Pic from the SuperBrightLEDs website shows how its wired up:

                      Comment

                      • Steve
                        GS Whisperer
                        • Jun 2005
                        • 35924
                        • southwest oHIo

                        #12
                        Here is a diagram that I have posted before.

                        It is electrically the same as the one that jabcb just posted, but the difference in the drawing might make it easier to decipher.



                        The lower diagram shows the use of an LED in the dashboard indicator. Not sure if you could still use your stock bulb, as the LED signals might limit the current available.

                        .
                        sigpic
                        mine: 2000 Honda GoldWing GL1500SE and 1980 GS850G'K' "Junior"
                        hers: 1982 GS850GL - "Angel" and 1969 Suzuki T250 Scrambler
                        #1 son: 1986 Yamaha Venture Royale 1300 and 1982 GS650GL "Rat Bagger"
                        #2 son: 1980 GS1000G
                        Family Portrait
                        Siblings and Spouses
                        Mom's first ride
                        Want a copy of my valve adjust spreadsheet for your 2-valve per cylinder engine? Send me an e-mail request (not a PM)
                        (Click on my username in the upper-left corner for e-mail info.)

                        Comment

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