I had them installed professionally. The strobing cab lights come with the wiring. They wired them to go on with the parking lights, and if you look at the picture of the center console, you can see the switch next to the edge tuner. I am less implressed with the switch given the thin wires come out the side and the top. I am considering moving the switch to under the compartment cover (red striped thing) covering the bucket in the center console.