Started 5.2 magnum swap/65 Dodge Dart,/6 4spd convert..but....

Dave, when you say not charging, is the dash gauge showing no charge? What is the voltage at the battery with the car running? You could also check the back bearing of the alternator for charging: if a screwdriver attaches to the bearing cap on the back of the alt, it is charging. Proper voltage, maybe. If you do the screwdriver test, careful not to touch anything else. Does your alternator have 2 or 3 wires attached to it? Bob