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Alright, ive been up to my knees in wiring on my 79 XS1100F. I have got everything to bob out my XS, but when I press the start button with the kill switch on the run position, and good battery, i have no love. When i short the two cables on the solenoid, the bike turns over. I removed the stupid tip over switch, and still have no luck. What is going on?
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Well, you just have to trace the path. The issue appears to be in the wiring, but could be a bad coil in the solenoid. If I read that correctly, you get it to crank when you short across the primary poles of the solenoid.
Step 1 Try connecting the positive side of the battery to the red/white wire at the solenoid, and the negative to the blue wire. If it cranks, then the solenoid is good and you have a wiring issue.
Step 2 Trace the juice. Check voltage from ground to the tan wire at the ignition fuse. Then to the red/white wire on the fuse. Now open your emergency stop switch in the handlebar and check for voltage to each side with it in the on position and the key turned to on. Got voltage there, then check at the red white wire at the solenoid. If it is there, then you have a grounding issue, which could be the start button. On these bikes, the start button completes the ground side of the circuit.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 -
Starting Problems
I am knee deep in wiring on my 79 XS1100F. I have just about everything to complete the bike, but when i press the start button, i get no love. The kill switch is on run, and i even removed the tipover switch. The battery is good, and when i short the solenoid, the starter kicks over. The bike is in nuetral. But no luck with clutch in or out or in gear with clutch in or out. What is going onComment
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Gonna have to remove that right-side control, take apart and clean start button contact. Likely find other components nasty looking to when you take it apart. That would be a starting place anyway.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
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For some reason, the start button does not work while the control is connected to the handlebar. It only works when i press the button and ground the whole control box to the frame or move the control box real snug up against the front brake control. What is causing this?Comment
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The control has to be grounded to the handlebar. Is your handlebar painted? The paint can prevent conductivity.Originally posted by bmur63 View Post1980 XS850SG - Sold
1981 XS1100LH Midnight Special (Sold) - purchased 9/29/08
Fully Vetterized and Dynojet Kit added, Heated Grips, Truck-Lite LED headlight, Accel Coils, Irridium plugs, TKAT Fork Brace, XS850LH Final Drive & Black SS Brake lines from Chacal.
Here's my web page devoted to my bike! XS/XJ User's Manuals there, and the XJ1100 Service Manual and both XS1100 Service manuals (free download!).
Whether you think you can, or you think you cannot - You're right.
-H. FordComment
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+1 what 'bug wrote. Lemme guess, you've got SS brake lines providing a ground path?Comment
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+2 what Bug said. Had the same thing happen when I mounted the fully adjustable powder coated Heli-Bars on my Venturer. Right side control assembly needs to be grounded.....left side doesn't. I had just removed enough powder coating with emory paper for the throttle tube to work smoothly, nothing beyond and didn't want to so I ran a teeny-tiny black wire with connector from the clamp screw hid down to and under one of the bar clamp allen bolts. That was a quick fix so I could ride it after putting on these bars last fall. Haven't changed that and just being stripped back far enough to wind around clamp bolt gives me an occassional fit. Will have to correct it when it becomes irritating enough.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
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I installed black bars on an F I had and the same thing happened.... no love when I pushed the start button. I examined the wiring diagram and found that the ground came from the left side controls and travelled accros the bar to the right side. That was the only ground provided for the handlebar controls. I just ran another wire from the starter button ground to the frame and, viola!!, got the love I needed.1980G Standard, Restored
Kerker 4 - 1
850 Rear End Mod
2-21 Flashing LED Arrays on either side of license plate for Brake Light Assist, 1100 Lumen Cree Aux Lights,
Progressive springs, Showa rear shocks
Automatic CCT
1980GH Special, Restored
Stock Exhaust, New Handlebars, 1" Spacer in Fork Springs, Automatic CCT, Showa Rear Shocks
'82 XJ1100 (Sold)
Automatic CCT, RC Engineering 4 X 1 Exhaust, K&N Pods, #50 Pilot Jets, YICS Eliminator. Sorely missed.Comment
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+4, got a bike and the PO said the start button wouldn't work, he had put on black chrome bars. I found the same thing you did, if I grounded the controls it would work fine. I just took a small black wire and pushed it up through the the loom with all the other wires that go to the right side controls, crimped a ring terminal on it and attached it inside the housing, then attached the other side to the frame with another ring terminal. Works great now.1979 xs1100 Special -
Stock air box/K&N Filter, MAC 4-2 exhaust, Bad-Boy Air horn, TC fuse box, Windshield, Soft bags, Vetter Fairing, Blinkers->Run/Turn/Brake Lights, Headlight Modulator, hard wire GPS power
Short Stack - 1981 xs1100 Standard - lowered for SWMBO.
My Bike:Originally posted by fredintoon
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Thats exactly it. Thanks guys. I just sanded a little on the bar for the contact point, and again on the bar clamp on top of the steering column.Comment
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