Matt,
The alternators with remote regulators use four wires ... Red, Black, Brown, & Blue.
The Valeo and Paris-Rhone versions with integrated regulator only use three wires ... Red, Brown, and Blue!
Here is a thread that may be some help:
http://forums.pelicanparts.com/showthread.php?threadid=6146&highlight=alternator+technical+bulletin
Here is a bulletin related to the upgrade to the alternator with integrated regulator:
