Use to bypass the ignition switch on any engine with a solenoid starter switch. The switch lets you crank the engine while working in the engine compartment. Switch is made of heavy-duty construction and has 32"-long leads. To use, connect from the positive battery terminal to the energizing terminal of slenoid. Use the switch for generator, starter, electrical, fuel pump and compression tests and for setting ignition points and adjusting tappets. 6 and 12 Volt use only. Wire rated capacity 8 amp.