Cranks but won't start. Unplug ground at field spade on Alternator and it starts?

Do you have a multimeter with a 10-20A ammeter scale, and know how to use it? Try unhooking that field circuit, then insert your meter and see what that circuit is drawing, both, with key in "run" and with key in "crank"'

Explain the "unilite power wire?" Where does it get power?

I've heard some pushback on unilite, seems like they might be failure prone.