Electrical issue? On my way to work, radio panel started flashing on off and a schilling nosie from the primary side of the engine,noticed the volt meter drop to 5 volts, shut bike off,start back up nosie still there continue to work,nosie constent did not change with rpm,after 10 minutes nosie went away volt meter climbed back to 13 volts,then odometer drop off then back but off by 10-15 mph and my turn signals not working,made it to work ok, what can I be looking for?