ok instead of me writing all of this out just go to this link
AutoZone Repair Guide's pick your year, then make, then model and then pick what you want to read about. In example : for wiring diagrams under your steering column click the chasis electrical, then wiring diagrams, then it'll take you to another page for which diagram you want
Link :
AutoZone Repair Guide's
Let me know if this helps anyone

maybe we can get it Stickied up top with the FAQ's