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    Compufire R/R wiring

    Hi All.

    I have a longish ride, 2800km return trip coming up on the old GS1000S and I am doing all I can to make sure she will be reliable. Top of the list is electrical and ensuring I have a reliable charging system. After reading all the recommendations here I have invested in a Compufire series R/R and a Ricks stator winding. (Along with brakes, LED headlight, tyres, chain and sprockets etc etc)

    Now it comes to wiring, and I see that the original wiring runs one phase of the 3 phase alternator through the headlight switch and the other two phases go direct to the R/R. My question is: Can I just hook up all 3 phases directly to the R/R or do I still go through the headlight wiring?

    Thanks in advance for all answers.

    Cheers, Smithy.

    IMG_7513.jpg
    Last edited by Guest; 11-04-2017, 05:40 PM. Reason: Add photos

    #2
    Bypass all that old wiring and send the stator wires directly into the R/R. Take the R/R ground direct to the battery and the power output should go to the fusebox. Be sure to check resistance in the power feed route; put one probe of your voltmeter on your + out wire at the R/R and the other on the + terminal of the battery. If you get more than .3 volts you have too much resistance in that line and the connectors should be cleaned.

    Good luck and have a good trip.
    Ed

    To measure is to know.

    Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182

    Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846

    Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf

    KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection

    Comment


      #3
      0.3v is high and most people that I recall reporting ground voltage drops are under 0.05v when they use a SPG.

      Comment


        #4
        .3V may be a bit too much. Okay. .05V seems like a pipe dream though.
        Ed

        To measure is to know.

        Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182

        Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846

        Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf

        KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection

        Comment


          #5
          Originally posted by Nessism View Post
          .3V may be a bit too much. Okay. .05V seems like a pipe dream though.
          0.05V for grounds is hardly a pipe dream unless you directly connect your R/R(-) to the battery.

          Comment


            #6
            Originally posted by posplayr View Post
            0.05V for grounds is hardly a pipe dream unless you directly connect your R/R(-) to the battery.
            Not talking about grounds. Talking about the power wire from R/R through the fusebox and over to the battery. I advised him to run the R/R ground straight to the battery.
            Ed

            To measure is to know.

            Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182

            Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846

            Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf

            KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection

            Comment


              #7
              Getting there!!

              IMG_7516.jpg

              Comment


                #8
                Compufire..

                IMG_7522.jpg

                Comment


                  #9
                  It would be nice to be able to post more than one pic at a time. I had a quick search but nothing obvious. If someone could let me know I'll post more.

                  Comment


                    #10
                    We used to use and recommend Photobucket for hosting pictures. They have changed their terms of service and have screwed virtually all of the internet forums that used them.

                    If you can find a picture hosting service, put your pictures there, then copy and paste the links here in your messages. You can paste up to 10 links per post by doing that.

                    When you do get around to posting more than one picture per post, please hit the ENTER key twice between links. .
                    It gives a blank line between pictures, making it easier to see when one stops and the next one begins.

                    .
                    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


                      #11
                      Originally posted by Steve View Post

                      When you do get around to posting more than one picture per post, please hit the ENTER key twice between links. .
                      It gives a blank line between pictures, making it easier to see when one stops and the next one begins.

                      .
                      I would if I could!!!

                      Comment


                        #12
                        I use flickr and the BBcode option to share once the pictures are uploaded
                        1980/1981 GS450 - GS500 Cylinder + Piston Swap - "De-L'ed", custom seat, CB350 bits, 18" rear, etc.
                        1977 GS550
                        1977 GS750 - Cross country trip thread

                        Comment


                          #13
                          All installed and working. Thanks for the help. I wired the 3 phases directly to the Compufire (Once I had bought the extra terminals that Amazon don't supply, Grrrr) then the output directly to the battery via a fuse on the positive feed. Works well. I have also fitted a Lithium battery and it is amazing. Just doesn't drain when the bike is idle. The threads here have helped understand charging systems big time, and I can see why my stator wires have been a little hot in the past. Hopefully that is all behind me now!

                          IMG_7530.jpg

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