I actually opted to do the mopar kit because it comes with a replacement stem for turn signals/etc that has a foglight switch in it. I got mine at
MyDodgeParts which is a dealer in texas I think. Their customer service is, at least from my perspective, pretty good, I called with a couple of questions and they were happy to help me.
82207998 $163.20 $163.20
Fog Lights - Liberty
2002-2004 Liberty Fog Lights, mount in fascia, includes wiring, switch and lights.
All inclusive, theres a how-to which explains everything in the how to forum.
-Blu