Help with Alternator Install

FC6C2177-1ADC-4632-8946-6060C1F381F0.jpeg CB65B92D-D587-4D63-A696-4355EAE74E55.jpeg first off here has your car been upgraded
to the solid state voltage regulator? the square back alternator in your pic is a late model unit. The round back alternator is what came originally on your car.
the first pic is the early regulator and second is the later one.