Ok so i havent been around in a long time been workin alot of hours an riding when i can I put brand new Bridgestone battax bt016 pro's on the bike an love them well shortly after that my bike died. ive gone thru everything an everything seems to work properly except the fuel pump will not come on checked all the relays an everything an they are all good all the wiring is good ive had the wire harness outta the bike to inspect every inch. now if i put a constant 12v to the fuel pump relay the pump will come on but if that isnt on the pump wont turn on so My issue is what ever controls the brain to tell the pump to turn on an off what is this part called an where is it located ?? please help..