Neutral Start Relay (Inhibitor Relay)
With 12 Volts DC applied to terminals 1 and 2:
Terminals 6 and 7 Continuity
Terminals 3 and 4 NO Continuity
With 0.0 Volts DC applied to terminals 1 and 2:
Terminals 6 and 7 NO Continuity
Terminals 3 and 4 Continuity