need diagram of exhaust system

I'm looking for a diagram of the exhaust system for a 1997 Mercury Sable LS. Any one know where I could find one? Thanks

What kind of details do you need?

What kind of details do you need?
I suppose the location of all the O2 sensors and their connections, etc...

there's one on the front up-pipe, on on the back up-pipe and one after the 3rd cat