When you’re working on your classic Healey’s electrical system, being able to isolate the battery quickly is crucial. This master switch is engineered for Austin Healey models BN1, BN2, BN4, BN6, BJ7 and BJ8, offering a straightforward way to cut the power for maintenance, transport or off-season storage. Benefits Original-spec fit for BN1–BJ8 vehicles Simple rotate-to-off operation Helps prevent battery drain during downtime Robust metal construction resists corrosion Makes electrical work safer and more convenient
