I discovered that one of the wires from the voltage regulator ends in the wire loom and is not connected. According to the drawing in this link, that wire should go to the alternator stator.
Ford Voltage Regulator Wiring Diagrams.
Also the drawing show a ground wire going to the battery. It is not connected either.
I purchase this car about 7yrs ago. The battery always stays charged. However with a heavy load (lights and cooling fan on), the voltage will drop below 12 at lower rpm.
I am not certain that the wire diagram in the link is correct for my setup. If it is correct and my alternator is not wired correctly, would it charge? I'm confused!