Relay Devices Automotive Relays Continuous Duty Solenoids Remote Starter Solenoid High Power Relay Sealed Automotive Relay Relay Socket Relay Socket Kit Relay & Socket Assembly Mag Kill Solenoid Mag Kill Solenoid #201-111 Solenoid is designed to be used with magneto ignition systems in conjuction with a kill switch. Solenoid is normally closed. When 12 volts is applied accross the small terminals the solenoid opens allowing engine to run. Wiring diagram is included. Mag kill solenoids are required by many sanctioning bodies.