I hate trying to look for crap on this forum so i'm turning this also into my one stop info-center. Thinking ahead a couple of steps, upgrading and rewiring the lighting situation is going to be a biggie, so here is my lighting thread list(thanks to slantsixdan's vast experience and knowledge) These are all his posts and links, who better to get information from than the man who engineers it for a living!
Proper Light wiring:
http://www.danielsternlighting.com/tech/relays/relays.html
Exterior Lighting(not headlamps)
http://www.forabodiesonly.com/mopar/showthread.php?t=91840
Headlamp Lighting(post5)
http://www.forabodiesonly.com/mopar/showthread.php?p=755012#post755012
He's got enough information in there to be quite a long read if you actually want to understand what hes talking about, well worth the time.