You need either an AC compressor with the lines on the back that already have the AC pressure sensor already on it(preferred), or you need to get the three pin (Wired Red/Black, Gray, and Black) sensor from the AC high pressure line. The full sized Bonneville, LeSabre and Park Ave will have it on the back of the compressor. The Regal and GTP will have the sensor on the line at the firewall. You can get the compressor from any of the 3800s but get the aluminum lines from the full sized cars. Cut the rubber hoses near the aluminum lines. Anything 98+ should be good.
Grab the CS130D alternator. No fan between the pulley and alternator body. Avoid the bigger CS130 alternator (fan between the alternator pulley and body). Make sure you get the alternator from a 3.8 since it is computer controlled and not just run by a dash light. CS130Ds should be on 98+ cars
[This message has been edited by phonedawgz (edited 04-04-2014).]