Mystery part

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  • tenseventythree

    #1

    Mystery part



    I have no idea what this thing is. Does anyone? help?
  • Steve
    GS Whisperer
    • Jun 2005
    • 35927
    • southwest oHIo

    #2
    Well, it appears to be a mystery part ON A MYSTERY BIKE.

    Looks like it's on the lower-right side of the frame on a bike newer than '80, possibly '82 or newer.

    You have a picture of the other side?

    .
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    Comment

    • Redman
      Forum LongTimer
      Past Site Supporter
      Super Site Supporter
      • Mar 2004
      • 13762
      • Michigan, west Michigan

      #3
      Yah, do post picture of other side of the mystery part.

      And do tell what bike model (maybe put that in sig line. Goto UserCP.)

      Appears to me to be aftermarket accessory that was added.
      THat wiring harnes does look like it might be hand wound black tape, right? (cant really tell).

      Next question we will then ask is:
      What/where is each wire tied into the bikes wiring. Unwind the balck tape to find out.

      I am guessing it is a brake light modulator or maybe something to also make the turnsignal do some non-standard functions.
      SOme of the wires tied into fused power (maybe org/grn), and other wires tied into the brake light wiring (wht).

      .
      Last edited by Redman; 01-28-2013, 04:55 PM.
      Bikes
      Had 650G & 850G. GK since 2005. BOTM 850G 6/2024 , GK 9/2015​

      Comment

      • Redman
        Forum LongTimer
        Past Site Supporter
        Super Site Supporter
        • Mar 2004
        • 13762
        • Michigan, west Michigan

        #4
        82 750T
        Bikes
        Had 650G & 850G. GK since 2005. BOTM 850G 6/2024 , GK 9/2015​

        Comment

        • tenseventythree

          #5
          This is the part that i am referring to:
          It has been in place since i got the bike (1982 GS750T).
          The turn signals and the tail light were both stock when i got it



          the other side is flat and solid so its just this weird rectangluar block with wires coming out of one side.

          I wanna get rid of it but i'm not sure what its for or what will happen.
          its definitely aftermarket as i havent seen it on any schematic.

          Comment

          • chuck hahn
            Forum LongTimer
            Past Site Supporter
            • May 2009
            • 25951
            • Norman, Oklahoma

            #6
            Can you get any info from the guy you bought it from??? He may know what it was for or why it was added.
            MY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
            1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550

            NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.


            I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.

            Comment

            • tenseventythree

              #7
              Originally posted by chuck hahn
              Can you get any info from the guy you bought it from??? He may know what it was for or why it was added.
              The guy i bought it from didnt do any wrenching nor did he have a lot of information about the bike.

              Comment

              • chuck hahn
                Forum LongTimer
                Past Site Supporter
                • May 2009
                • 25951
                • Norman, Oklahoma

                #8
                Start the bike and disconnect one wire and see what STOPS working...thats one way to see what it does.
                MY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
                1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550

                NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.


                I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.

                Comment

                • Guest

                  #9
                  Are the wires going into it or soldered on it?
                  A ground plate?

                  Comment

                  • Redman
                    Forum LongTimer
                    Past Site Supporter
                    Super Site Supporter
                    • Mar 2004
                    • 13762
                    • Michigan, west Michigan

                    #10
                    Originally posted by Redman
                    .....
                    Next question we will then ask is:
                    What/where is each wire tied into the bikes wiring. Unwind the black tape to find out.
                    ...

                    Tell us what wire in bike wiring that each wire of the mystery unit is connected to.
                    Bikes
                    Had 650G & 850G. GK since 2005. BOTM 850G 6/2024 , GK 9/2015​

                    Comment

                    • GSXR7ED
                      Forum LongTimer
                      Past Site Supporter
                      Super Site Supporter
                      • Dec 2012
                      • 10159
                      • DE via L.A.

                      #11
                      What is That?

                      Originally posted by tenseventythree
                      This is the part that i am referring to:
                      It has been in place since i got the bike (1982 GS750T).
                      The turn signals and the tail light were both stock when i got it



                      the other side is flat and solid so its just this weird rectangluar block with wires coming out of one side.

                      I wanna get rid of it but i'm not sure what its for or what will happen.
                      its definitely aftermarket as i havent seen it on any schematic.
                      I recently took close-ups of my "T" and see no reason for this piece. Why are there wires connected to it? (Sorry for the continual ???s)

                      Here's 2 different shots:







                      Ed
                      GS750TZ V&H/4-1, Progressive Shocks, Rebuilt MC/braided line, Tarozzi Stabilizer[Seq#2312]
                      GS750TZ Parts Bike [Seq#6036]
                      GSX-R750Y (Sold)

                      my opinion shouldn't be taken as gospel or in any way that would lead you to believe otherwise (30Sep2021)

                      Comment

                      • tenseventythree

                        #12
                        I pulled off the electrical tape and found a black wire with a loop end on it. I figured it was a ground so I touched it to the frame while running. the rear turn signals lit up and flickered. if the ground hasnt been connected this whole time (3 months or so) it must not be operational right? so I just may need to connect the wires going into and out of it and ditch the unit altogether. yes?

                        Comment

                        • chuck hahn
                          Forum LongTimer
                          Past Site Supporter
                          • May 2009
                          • 25951
                          • Norman, Oklahoma

                          #13
                          Did you undo any of the other connected wires? Do the turn signals work as it is currently wired? Will undoing a wire make them not work?
                          MY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
                          1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550

                          NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.


                          I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.

                          Comment

                          • tenseventythree

                            #14
                            alright,
                            i traced the wires and they all were turn signal/tail light/brake light related.

                            i went ahead and reconnected the wires to where they ought to go and got rid of the "unit".
                            i tested all the affected lights and they work just fine.

                            i then gathered them into a conduit for neatness

                            Comment

                            • chuck hahn
                              Forum LongTimer
                              Past Site Supporter
                              • May 2009
                              • 25951
                              • Norman, Oklahoma

                              #15
                              Wonder what the BOX was then..HMMM. That looks so much nicer and unsightly by the way!!!
                              MY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
                              1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550

                              NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.


                              I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.

                              Comment

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