Wrong Alternator?

I bought one the other day and came up with the same situation. Since it was going on a restoration, I decided to take the original and have it rebuilt locally. I did notice On the newer square back that they had clipped one of the field wire spades off so that you cannot plug anything on it. I kept it to use on another car that will need a alternator in a few weeks. It uses the older style VR and is a 2 wire car.