Car wiring diagrams: 4 Way Light Switch Dimmer Wiring Diagram, wiring diagram, wire wiring harness, schematic circuit diagram, wiring diagran, wireing diagram, wirring diagram, wiring daigram, wiring diagrams. Connect the hot source to the common terminal on the first way and the hot wire from the lights to the common terminal on the second way. Place each way switch, one after another, between the ways. Connect all traveler terminals between the switches and the circuit will work as planned..OPTION Power to light switch. way switch wiring diagram power from lights. I hope these light switch wiring diagrams have helped you in your way switch .Way switches are always wired in conjunction with two way switches. That is to say that any time you find a way switch there will also be .