The switch doesn't care if it's 6 or 12 volt. The indicator light however does. If it's a 6 volt light, it likely won't last long on 12 volts (but it may). One test would be to hook it up to 6 volts and see if it lights up sufficiently to see in daylight, if so it's likely a 6v light .


RonR


1951 3600 with Clark flatbed, T5, 4.10 rear
1970 340 Duster
1990 5.0 V8 Miata (1990 Mustang Gt Drivetrain)
1964 CJ5