Electrical wiring fault finding

As this feature is focussed on tracing electrical faults within the motorcycle’s electrical wiring systems and their immediate connections, it is perhaps best to look at the common discussions involved, which are found in literature and on the internet.

■ Wiring loom: aka wiring harness, wire harness, cable harness, electrical cable harness, cable assembly, electrical cable assembly. Whatever it’s called, it is a bunch of sheathed electrical cables (or wires) capable of transmitting signals or electrical power.

■ Can a motorcycle have more than one loom?

When makers first employed charging systems on motorcycles, the machine’s wiring loom was a single item which was often based on a five electrical cable design. And variations of this – albeit more complex – served machines when they gained alternator generated rectified charging systems and with additional electrical cables for motorcycles with battery and