3 Way Switch Wiring 2 Lights. 3 way switch diagrams for multiple light fixtures. The red insulated wire connects to either one of the 2 unused terminal screws shown in the image above to be on the top left and right sides of both 3 way switches.
It s likely you ll also need to replace the. It s likely you ll also need to replace the. This method is depicted in the diagram at the top of this post.
Turn off the correct circuit at your electrical panel.
Either way complete these five steps for 3 way light switch wiring. It s likely you ll also need to replace the. And make sure all of your ground connections are completed and securely fastened. A 3 wire cable runs between sw1 and sw2.