Wiring Diagrams for a Ceiling Fan and Light Kit - Do-it 3 Way Fan Switch Wiring Diagram. To wire a 3-way switch circuit that controls both the fan and the light, use this diagram. As with all 3-way circuits, the common on one switch is connected to the hot source wire from the circuit. The common on the second 3-way 3 WIRE CEILING FAN CONNECTION - YouTube Click to view on Bing10:21In ceiling fan generally two WINDING present first one running winding or main winding Second starting or auxiliary winding And in three wire ceiling fan one running and one starting already short so make common winding So these two terminal are one is starting and one is running so generally these three wire Author: SN TECHNICALViews: 29K Ceiling Fan 3 Wire Capacitor Wiring Diagram - Electrical Ceiling Fan 3 Wire Capacitor Wiring Diagram The 3 wire fan capacitor diagram mostly available on capacitor but most people did not understood. And he always try to buy a 2 wire fan capacitor. But the 3 wire capacitor is better than 2 wire because we can use if for two different requirements.