I wanna say O2 and something else. I can provide links to some diagrams. Can you give me the wire colors?
http://www.veryuseful.com/mustang/tech/engine/
http://www.autozone.com/servlet/UiBroker?ForwardPage=az/cds/en_us/0900823d/80/19/59/5a/0900823d8019595a.jsp