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  • Kill switch questions.

    All right, finally got the bike to fire up but with a couple of problems .

    I am getting no power to the starter solenoid. If I jumper the red/white wire coming from the fuse panel to the one red/wire from the right handle bar switch I can use the starter and start the bike.

    The kill switch will not shut the bike off, all it does is turn the neutral light on/off on the gauge panel. With the jumper wire in place the bike will shut off using the ignition swith.

    I am leaning towards both problems being connected.

    Any ideas ?

    Thanks in advance.
    1978 XS1100 Standard

  • #2
    Hey there Excessive,

    First of all, it would be helpful for in the future to put the Year/Make of your machine in your Signature so that we wouldn't have to go and look at your PROFILE to see it, tech advice IS often model/year specific.

    Okay, looking at your Profile, I see you have a 78E! But now you have confused me with your wires? You say Red wire from right handlebar switch? There should be 1 red/yellow and 2 red/white wires, but no solid red wire...according to the wiring diagram.

    The starter button wire...Blue/white is merely a GROUND for the starer solenoid switch, low power side, it just completes the circuit to energize the magnet which throws the solenoid which switches the HIGH POWER switch to power the starter motor as well as the bikes electrics.

    The 1 solid red wire is both a tap off of the main starter cable, as well as going to the MAIN IGNITION/KEY Switch!

    There is a red/white wire at the starter solenoid, it's the low power side of the starter switch/button circuit, the blue/white wire at the handlebar completes that circuit to ground. A way to test the solenoid is to take a jumper and connect it to where the blue/white wire connects at the solenoid, and connect it to ground, IF the starter spins and bike starts, then the starter button or wire to that point is faulty, not contacting inside the button switch, or not grounding to the bars effectively.

    So..anyways, if you can provide some more clarification on what wires you are jumping, we can try to figure this out!?
    T.C.
    T. C. Gresham
    81SH "Godzilla" . . .1179cc super-rat.
    79SF "The Teacher" . . .basket case!
    History shows again and again,
    How nature points out the folly of men!

    Comment


    • #3
      yes you are right the wire is red/yellow.

      I have to jump from the red/yellow to the red white to get the starter to turn.

      The blue white at the starter button is fine that has been tested. The problem is that the solenoid wasn't getting anything from the red/white that connects to it and that is why I jumped from the red/yellow.

      What color should the wires be that go to the kill switch ? I am assuming that this is what is marked as the "Emergency Stop Switch" on the wiring diagram. I see them as being white/black and solid black. White/black goes to the ignitor and the solid black goes to ground.
      Last edited by excessive1100; 02-15-2009, 05:31 PM.
      1978 XS1100 Standard

      Comment


      • #4
        Listening excessive1100?

        Originally posted by TopCatGr58 View Post
        Hey there Excessive,

        First of all, it would be helpful for in the future to put the Year/Make of your machine in your Signature so that we wouldn't have to go and look at your PROFILE to see it, tech advice IS often model/year specific.
        Did you see this part of TC's post? This can make the difference between the right advice and the wrong advice or sometimes whether you get any help at all. Do it.
        Tim Ripley - Gaithersburg, MD
        1981 XS1100 Special "Spoiled Rotten" Just sold - currently bikeless!!
        23mm float height
        120 main jets
        42.5 pilot jets
        drilled stock airbox with K&N
        Jardine 4 to 1 Exhaust
        spade fusebox
        1st and 2nd gear fix

        Comment


        • #5
          Thought I already did that, back to the User CP to try again.

          Well I see that it is working now.
          1978 XS1100 Standard

          Comment


          • #6
            I see it now!

            Nice. That wasn't so hard, huh?
            Tim Ripley - Gaithersburg, MD
            1981 XS1100 Special "Spoiled Rotten" Just sold - currently bikeless!!
            23mm float height
            120 main jets
            42.5 pilot jets
            drilled stock airbox with K&N
            Jardine 4 to 1 Exhaust
            spade fusebox
            1st and 2nd gear fix

            Comment


            • #7
              The emergency stop switch in the diagram is the tip-over switch under the fuel tank. The kill switch is the right handlebar switch. Should be red/wht.
              2H7 (79) owned since '89
              3H3 owned since '06

              "If it ain't broke, modify it"

              ☮

              Comment


              • #8
                I figured that out from the wire diagram after I am made the post but I couldn't go back and edit so I wouldn't look silly.
                1978 XS1100 Standard

                Comment


                • #9
                  I figured I would head out to the garage and trace some wires with the multimeter.

                  Turns out that I created the problem, when I installed the TopCat fuse block. I mixed up a couple of the brown wires. Had all of the brown wires on the power side of the block. When you look at the diagram one of the brown wires is supposed to be on the opposite side .

                  I hope this makes sense. Anyways it is fixed. I guess it makes sense to double check what you did prior if something stops working.
                  1978 XS1100 Standard

                  Comment


                  • #10
                    Yep the sequence goes...Worked fine..I di%^ed with somethin'...It aint workin so good....What did I do??....Trace back through....Ohhhhhh shi*....BTDT many a time.
                    Life is what happens while your planning everything else!

                    When your work speaks for itself, don't interrupt.

                    81 XS1100 Special - Humpty Dumpty
                    80 XS1100 Special - Project Resurrection


                    Previously owned
                    93 GSX600F
                    80 XS1100 Special - Ruby
                    81 XS1100 Special
                    81 CB750 C
                    80 CB750 C
                    78 XS750

                    Comment


                    • #11
                      And by the way, next time you have a question like this after dorking wiht something like replacing the fuse box, PLEASE MENTION IT IN YOUR QUESTION!!

                      That would have sent alarm bells to all of the really smart folks here that offered you suggestions to have you check that first and saved you and them alot of time diggin through other stuff.
                      Life is what happens while your planning everything else!

                      When your work speaks for itself, don't interrupt.

                      81 XS1100 Special - Humpty Dumpty
                      80 XS1100 Special - Project Resurrection


                      Previously owned
                      93 GSX600F
                      80 XS1100 Special - Ruby
                      81 XS1100 Special
                      81 CB750 C
                      80 CB750 C
                      78 XS750

                      Comment


                      • #12
                        Actually not posting the problem on the forum at all would have saved me alot of time.

                        Instead of waiting for someone else to post info to solve the problem I should have started investigating right away.
                        1978 XS1100 Standard

                        Comment


                        • #13
                          Dont take that the wrong way. Only stupid question is the one not asked. Look at my history for proof of that!

                          Just sayin, that was kinda important info for lookin at an electrical gremlin type of problem.
                          Life is what happens while your planning everything else!

                          When your work speaks for itself, don't interrupt.

                          81 XS1100 Special - Humpty Dumpty
                          80 XS1100 Special - Project Resurrection


                          Previously owned
                          93 GSX600F
                          80 XS1100 Special - Ruby
                          81 XS1100 Special
                          81 CB750 C
                          80 CB750 C
                          78 XS750

                          Comment


                          • #14
                            I wasn't taking it the wrong way. If I had checked all the basics I wouldn't have had to post to the forum for help. I would have solved it myself or at least narrowed it down.
                            1978 XS1100 Standard

                            Comment


                            • #15
                              I wasn't taking it the wrong way. If I had checked all the basics I wouldn't have had to post to the forum for help. I would have solved it myself or at least narrowed it down.
                              Sometimes just "posting" will wake up the gray matter! We've ALL BTDT, and don't listen to Prom when he says something else!
                              Ray Matteis
                              KE6NHG
                              XS1100 E '78 (winter project)
                              XS1100 SF Bob Jones worked on it!

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