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  • The resurrection of a junkyard XS1100.

    Well it's finally about done, mechanically sound now and running perfect with 62xxx miles on it. I now need only complete the electronic work to get the turn signals to work, any ideas on that? They stay on and do not blink and there doesn't appear to be any wiring for the rear ones.

    Have pictures can post.

    Mods include:
    XJ rear master cylinder,
    XJ front master cylinder,
    XJ sport suspension rear,
    XJ front fork with sport suspension
    Slotted rotors from XJ?

    (I bought an XJ on a whim for 150$ and the trans is trashed, i know i did a bad but i made a unique XS for sure.)

    Anybody have any thought on how i can improve it with more Parts from the poor old XJ? Carbs are shot too unfortunately.
    78 E

  • #2
    Turn signals will NOT work unless both front and rear are working. Rears should not be hard, one power wire for each side, and a GOOD GROUND.
    If you let me know what you started with, year and model, I can get the wire colors for you if needed. You can trace the front signal wire back, and it should show the connection around the Right side cover, the location of the flasher. From there, if there is no wire, you should be able to run one back for each side. 16 Gauge wire is all you need for one bulb, plus a short bit for the ground.
    Ray Matteis
    KE6NHG
    XS1100 E '78 (winter project)
    XS1100 SF Bob Jones worked on it!

    Comment


    • #3
      Originally posted by LambdaMatters View Post
      Well it's finally about done, mechanically sound now and running perfect with 62xxx miles on it. I now need only complete the electronic work to get the turn signals to work, any ideas on that? They stay on and do not blink and there doesn't appear to be any wiring for the rear ones.

      Have pictures can post.

      Mods include:
      XJ rear master cylinder,
      XJ front master cylinder,
      XJ sport suspension rear,
      XJ front fork with sport suspension
      Slotted rotors from XJ?

      (I bought an XJ on a whim for 150$ and the trans is trashed, i know i did a bad but i made a unique XS for sure.)

      Anybody have any thought on how i can improve it with more Parts from the poor old XJ? Carbs are shot too unfortunately.
      The reason you aren't blinking IS because you aren't wired out back. I would warrant to say that you do in fact have the wiring, just not the signals themselves. I can't speak to all years but I'm pretty sure every model as a group of female bullet connections in the vicinity of the TCI under the seat. In that group you'll find a common ground and a left/right signal wire. Before worrying about any other wires, get some signals into that cluster of connections to increase the load in the circuit. Once you have everything plumbed you should be able to verify the operation of the circuit.
      79 F

      Comment


      • #4
        turns

        There are many reasons but first find the empty plugs in the back and get those turn signals into the system. There is a certain amount of electrical draw that activates the flasher. There is an auto flasher that makes them flash no matter what you use. Bulbs were from Yamaha and 23v if I member right, have to have all four for flasher. Bad or weak connections can be trouble too.

        Originally posted by LambdaMatters View Post
        Well it's finally about done, mechanically sound now and running perfect with 62xxx miles on it. I now need only complete the electronic work to get the turn signals to work, any ideas on that? They stay on and do not blink and there doesn't appear to be any wiring for the rear ones.

        Have pictures can post.

        Mods include:
        XJ rear master cylinder,
        XJ front master cylinder,
        XJ sport suspension rear,
        XJ front fork with sport suspension
        Slotted rotors from XJ?

        (I bought an XJ on a whim for 150$ and the trans is trashed, i know i did a bad but i made a unique XS for sure.)

        Anybody have any thought on how i can improve it with more Parts from the poor old XJ? Carbs are shot too unfortunately.
        76 XS650 C ROADSTER
        80 XS650 G Special II
        https://ibb.co/album/icbGgF
        80 XS 1100 SG
        81 XS 1100LH/SH DARKHORSE
        https://tinyurl.com/k6nzvtw
        AKA; Don'e, UD, Unca Don'e

        Comment


        • #5
          Originally posted by DiverRay View Post
          Turn signals will NOT work unless both front and rear are working. Rears should not be hard, one power wire for each side, and a GOOD GROUND.
          If you let me know what you started with, year and model, I can get the wire colors for you if needed. You can trace the front signal wire back, and it should show the connection around the Right side cover, the location of the flasher. From there, if there is no wire, you should be able to run one back for each side. 16 Gauge wire is all you need for one bulb, plus a short bit for the ground.
          It is a 78 i am fairly certain now. The rear brake lights work, in relation to that wiring cluster where should i look for the rear turns? I have had no luck looking for unused connections near the back.
          78 E

          Comment


          • #6
            rear signals

            the wires were there from Yamaha, still should be unless someone did something real creative ? ? ?
            76 XS650 C ROADSTER
            80 XS650 G Special II
            https://ibb.co/album/icbGgF
            80 XS 1100 SG
            81 XS 1100LH/SH DARKHORSE
            https://tinyurl.com/k6nzvtw
            AKA; Don'e, UD, Unca Don'e

            Comment


            • #7
              T/Sig

              Original tail light/t sig wiring is behind the license tag. Wiring up top under seat is for tail lights/t sig too, but is redundant (duplicated).

              The wires at the license tag run through the underside of the rear fender.
              1981 XS1100H Venturer
              K&N Air Filter
              ACCT
              Custom Paint by Deitz
              Geezer Rectifier/Regulator
              Chacal Stainless Steel Braided Brake Lines
              Chrome Front Rotor & Caliper Covers
              Stebel Nautilus Horn
              EBC Front Rotors
              Limie Accent Moves On In 2015

              Mike

              Comment


              • #8
                Here is the link for the VIN : http://www.xs11.com/forum/showthread.php?t=396
                If you have a 2H7 00XXXX it's a '78, 2H7 02XXXX is a '79.
                Left turn is Chocolate, Right turn is Dark Green. Black is ground. Blue is brake, and Yellow is tail light. This is on the '78 E model.
                On the E&F models, look at the front of the chrome rear fender for a metal tab. There should be connectors tucked under it, and they will have the turn connections. If not, as Marty said, they do have a second set running through to the tail light, so you can put them in back for hard bags. Colors should be the same, but check with a VOM to be sure!
                Ray Matteis
                KE6NHG
                XS1100 E '78 (winter project)
                XS1100 SF Bob Jones worked on it!

                Comment


                • #9
                  Originally posted by DiverRay View Post
                  Here is the link for the VIN : http://www.xs11.com/forum/showthread.php?t=396
                  If you have a 2H7 00XXXX it's a '78, 2H7 02XXXX is a '79.
                  Left turn is Chocolate, Right turn is Dark Green. Black is ground. Blue is brake, and Yellow is tail light. This is on the '78 E model.
                  On the E&F models, look at the front of the chrome rear fender for a metal tab. There should be connectors tucked under it, and they will have the turn connections. If not, as Marty said, they do have a second set running through to the tail light, so you can put them in back for hard bags. Colors should be the same, but check with a VOM to be sure!
                  It is a 78. I found the wires they were snipped and taped with resistors to the ground, someone must've tried to delete the rears but if it did work it doesnt now. Gotta buy some bulbs and see what i can do.
                  78 E

                  Comment


                  • #10
                    I converted to an electronic flasher years ago.. I still kept my stock flasher/cancel unit in my parts box.. Just in case.
                    1) Fire up Internet Explorer
                    2) http://www.yahoo.com
                    3) type "www.mapquest.com" into the Yahoo search page.
                    4) go about day as VP managing multi-million dollar financial contracts.

                    Comment


                    • #11
                      Show it off!

                      LambdaMatters,

                      XS Southeast is in your back yard and coming up in a few weeks. Get on board and bring that thing to the rally! No excuses!

                      http://www.xs11.com/forum/showthread.php?t=45816
                      Marty (in Mississippi)
                      XS1100SG
                      XS650SK
                      XS650SH
                      XS650G
                      XS6502F
                      XS650E

                      Comment


                      • #12
                        Originally posted by jetmechmarty View Post
                        LambdaMatters,

                        XS Southeast is in your back yard and coming up in a few weeks. Get on board and bring that thing to the rally! No excuses!

                        http://www.xs11.com/forum/showthread.php?t=45816
                        Would not having my license yet be an acceptable excuse? Would love to come but, yeah.
                        78 E

                        Comment


                        • #13
                          Originally posted by MPittma100 View Post
                          Original tail light/t sig wiring is behind the license tag. Wiring up top under seat is for tail lights/t sig too, but is redundant (duplicated).

                          The wires at the license tag run through the underside of the rear fender.
                          That particular plug-in under seat and top-side of rear fender IS specificly for a trailer pug-in on the Venturer 1100. Mine is still there and original, as is all the rest of bikes wiring.
                          81H Venturer1100 "The Bentley" (on steroids) 97 Yamaha YZ250(age reducer) 92 Honda ST1100 "Twisty"(touring rocket) Age is relative to the number of seconds counted 'airing' out an 85ft. table-top.

                          Comment


                          • #14
                            Reviving this old thread.

                            Firstly an apology i could not attend the meet, i am currently in full time tech school so time isn't something i have alot of. I have steadily been working on my xs, its all been good but now i am back on turn signals, i bought new lights and a new electronic flasher. Thus begins the issue, the lights work normally with the engine off, but they are dimly lit and do not flash with the engine running. I am thinking that there is a voltage on the ground somewhere but i have gone over the wiring diagrams and really dont know where to start.

                            I'll accept any ideas you guys may have!
                            78 E

                            Comment


                            • #15
                              Check what the voltage is with it running.
                              It sounds like the alternator is drawing power from the system but the rotor or stater would have to be very badly shorted to draw as much as it sounds like it is from your description.
                              76 XS650 C ROADSTER
                              80 XS650 G Special II
                              https://ibb.co/album/icbGgF
                              80 XS 1100 SG
                              81 XS 1100LH/SH DARKHORSE
                              https://tinyurl.com/k6nzvtw
                              AKA; Don'e, UD, Unca Don'e

                              Comment

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