3 Way Switch Wiring Diagram - Easy Do It Yourself Home 3 Way Switch Wiring Diagram. Take a closer look at a 3 way switch wiring diagram. Pick the diagram that is most like the scenario you are in and see if you can wire your switch! This might seem intimidating, but it does not have to be. With these diagrams below it will take the guess work out of wiring. Related searches for how to wire a 3 way switch wiring 3 way light switch3 way light switch circuitthree way light switch wiringthree way switch wiringwiring 3 way switch configurations3 way switch wiring examplesthree way switch diagram for dummies3 way switch diagram multiple lights