GEAR AS 4771525 - Caterpillar

Illustration 1 g00513648
OFF (1) - Insert the engine start switch key and remove the engine start switch key from the OFF position only. There will be no power to most electrical circuits in the cab. The operating lights, cab light, panel lights, tail lights and the gauge lights are operational even with the switch in the OFF position.
ON (2) - Turn the engine start switch clockwise to the ON position in order to activate all cab circuits.
START (3) - Turn the engine start switch key clockwise to the START position in order to crank the engine. Release the key after the engine has started and the key will return to the ON position.