The battery buss runs from the battery, through the ignition switch and back to the fuse panel where you found the fuse marked 'IGN.'Įverything from the IGN fuse is the 'ignition buss.' Nothing on a motorcycle works with the ignition key off. Like the battery buss is everything that works when the battery is connected and there's a good fuse in the main fuse holder. If you don't have a wiring diagram for your machine, obtain one and study it.Ī motorcycle's electrical system can be broken down into busses.Īn electrical buss doesn't have wheels, it doesn't take kids to school.Ī buss is all the power supply for a bunch of related electrical gadgets.