No prewire.....
I have a fog light wiring harness, bought it form local store, its a AEM, comes with a relay and all equipment needed to install lights. Tonight i am going to take the dash apart, and attempt to find the wire that comes outta the stock switch to work the fog lights. I bought a new headlight switch from ford with the fog light option. installing the lights was easy! Crawl up under car, i took the bottom plastic piece off, reach up, and the stock black grilles come out,(where the new lights will be going), and the fog lights and new grills just clip in. Tonight i am going to wire, ill get back to you guys tonight or tomorrow....