Check out any of the five Headlight(s)/ignition Switch components enlisted.
Some items from this specific schematic: Lamp-assy-head, Switch,head Lamp, Key-lock,blank, Switch-assy-ignition.
The Lamp-assy-head is the most widely applied product in the KAF620-C6 MULE2500 2000 USA, CANADA HEADLIGHT(S)/IGNITION SWITCH ( two times ).