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Discussion Starter #1
so riding yesterday afternoon and under light acceleration i hear revs jump and a loud expensive sounding crunch down by my left leg .
i lost almost all forward momentum. grabbing the clutch i coasted down onto the median and took a look.

chain snapped and coiled up around the front sprocket and in doing so cut the harness going to my voltage regulator. the motor all lights and instrument cluster completely dead.

i got it home and started troubleshooting with my fluke, i have fully charged battery and all fuses have been tested. i looked over the harness found two wires cut thru others were pinched but not cut thru, i spliced the cut ones back together heat shrinked the whole thing and tested continuity at either end of all the wires in the harness,

so at this point i have power at the battery , power to the starter relay , bike in neutral i can jump out the starter relay and it cranks like normal. i have no power to the gauges or the fuse block and nothing is responsive , no lights no horn blinkers nothing, i turn the key and nothing happens.

im a licensed electrician by trade so i know how to trouble shoot fairly well im just curious as to which way i should go about this . im assuming shorting out the voltage regulator cannot be the best thing for the electrical components, and it worries me that not a fuse one was blown or even looked like it had gotten warm. no real issues with the bike to speak of, running great , chain snapped. everything went dead and still is,,
i appreciate any help yall can offer and bear with me if this isnt the correct place to post this is my first time doing so and im sure there is a learning curve ,
 

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What kind of bike, my 93 EX500 would survive as the IC ignitor is very basic, if its a newer bike the ECU may have taken the short badly.
 

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Does your bike have a kickstand down switch or start in neutral sensor? Even if you don't it sounds like there's an open line somewhere, or as another post said, the damage is more severe than thought.
 

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Discussion Starter #6
Solved my issue . I did not know about the main fuse at the starter relay. Replaced it. And spliced everything back. Good to go .
 
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