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https://www.ebay.com/itm/BUELL-ECM-COMPUTER-REPAIR-REPAIR-SERVICE-XB-XB9s-XB12s-FireBolt-Ulysses/233597484604?hash=item36637ebe3c:g:DMoAAOSwHDVeybh0

Second photo will show you what side to cut...

I had the same thing, got worse with time > no codes > After the bike was hot, the tach would sweep and jump during riding. My bike would also turn off randomly.
I would wiggly the left harness to...

I had the same thing > After the bike was hot, the tach would sweep and jump during riding. My bike would also turn off randomly.
I would wiggly the left harness to get the bike started again -
...