Here is a nice link for wiring up the ecu. The starion gets all its power n what not off the b38 plug. This link shows the 2 different b38 plugs and their pinout. Picture n all.

scroll down to the lower portion ofthe page where it takls about the b38

http://projectzerog.com/wiring-how_to.shtml

8 Starion SHP, 87 mitsubishi van, , 81 galant g54bt, 78 lancer g54bt, 1965 Mitsubishi Debonair Deluxe
87 swb montero offroad pkg goin g54bt with sr locker 33x12.5 dual bouncy.