SOS switch

Indicator light color	Approximately 5 volts	Terminal number	Normal condition
Red	Not applied	(-) 2 - (+) 4	Not illuminated
Red	Applied	(-) 2 - (+) 4	Illuminated
Green	Not applied	(-) 2 - (+) 5	Not illuminated
Green	Applied	(-) 2 - (+) 5	Illuminated