12V DC
Hundreds of uses. For ‘door ajar’ warning, bus driver alert, low air pressure, temperature, etc.
Works with any temperature, pressure, door or momentary switch.

Electrical contacts are designed for instant response and uninterrupted signal.
Impact-resistant ABS resin case.
Moisture-repellent insulator.
Two screw terminals with lockwashers.
Size: 1 7/32"L x 2 1/2"W x 2 17/32"H (30.9 x 63.2 x 64.3mm).

Replaces: Ford FDM-2938-A, GMC 1116882, Superior Coach 76032, Divco-Wayne E-11811-A.

Offsite info on Marine Ignition Switch wiring