Hi
Don't know exactly what you are after, but here is a page from autozone for the 3.8L engine. The front of the engine is the right fender area where the water pump, serpentine belt etc. are.
http://www.autozone.com/servlet/UiBr...7EFiring+Order
You will see differing opinions on how best to change those out. I prefer to pull the cowl under the windshield and then go over the top of the engine and down. Some say come from below. Either way those rear plugs are hidden pretty well.