Alternator wiring issues

Theoretically, the car should stay on with battery terminal taken off correct? It is turning off as soon as battery terminal is disconnected.

I am going to see the amperage draw and try to keep checking what needs to be done.

DO NOT EVER DO THIS. NEVER EVER

This is a flawed test, and is in fact NOT even a test. You will NEVER see this "test" in any textbook. And, it proves nothing