ELECTRICAL GREMLINS [OVERCHARGING 440-3]

What would the next step be to fix this issue? Explained in super simple terms LOL
Easiest is to replace the alternator with one for a 72 car. Just make sure the pulley is about the same size and the same number of pulleys

You can buy the proper terminal and brush etc and swap it out. But it's more complicated, not a lot but more