stupid wiring question gs450 81

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  • cletus@live.se
    • Jan 2026
    #1

    stupid wiring question gs450 81

    Hello. I got a new ICU box in the mail today from Belgium. Of course my book is not at home. So I cannot see the wiring. Found some diagram on the web but am not really sure what is what
    Here goes the simple question:
    The lonely black cable, is that ground or is it not? On my bike, the wiring is eh-hrm a bit alternative

    cheers
    Tags: None
    • tom203
      Forum Guru
      Past Site Supporter
      • Aug 2010
      • 8925
      • Norway,Maine
      #2
      Does this help ?

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      1981 gs650L

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

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        • cletus@live.se
          #3
          Thanks!

          That's the one that made me confused. Different year model? Since there's six cables coming out from the ICU on the picture. I have those six that go into the connector PLUS a black one that I'm pretty sure is a ground. Since that cable disappears into the harness on my bike (old ICU) I'm keen to know if it is the ground = I can cut the old one and just screw the new one to the frame or if it's something else.

            Comment

            • tom203
              Forum Guru
              Past Site Supporter
              • Aug 2010
              • 8925
              • Norway,Maine
              #4
              Mostly, a black with white stripe is a ground- and they often disappear into harness to ground somewhere on frame.
              1981 gs650L

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

                Comment

                • cletus@live.se
                  #5
                  Originally posted by tom203
                  Mostly, a black with white stripe is a ground- and they often disappear into harness to ground somewhere on frame.
                  Yup, I know. I just thought that getting it confirmed is better than blowing a third of the bike's value on a burned ICU , so I started this semi embarassing thread and started cleaning the shoe box apartment

                  cheers

                    Comment

                    • Guest
                      #6
                      Yeah, I seem to recall mine had a separate ground with a ring terminal on it in addition to the 6 wires going to the connector.

                        Comment

                        • cletus@live.se
                          #7
                          Originally posted by pete
                          Yeah, I seem to recall mine had a separate ground with a ring terminal on it in addition to the 6 wires going to the connector.
                          Wow! I was actually right. Means I was careful in vain
                          Now it's dark, but tomorrow if not too drugged from removing a wisdom tooth we'll see if the old beauty works better when installing this new ICU. This winter I plan to tear the engine down since the piston rings and valve seals (right word in English?) are worn out. Might find some strange surprise then, who knows

                            Comment

                            • Guest
                              #8
                              Haha yes you were!

                              Good luck with the wisdom tooth removal! That can go well or painful...

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