I The two ends of the wire should be attached to a circuit that contains a six volt motorcycle battery and a knife switch hooked - up in series.
(I The two ends of the wire; should be attached; ) (a circuit; contains; a six volt motorcycle battery and a knife switch hooked - up in series)
I The two ends of the wire a circuit
should be attached contains
a six volt motorcycle battery and a knife switch hooked - up in series