I've had more issues with the factory Mopar charging system than literally anything on the car. When I got the car, it had a bad alternator on it that had literally melted the dash harness and caused the headlights to not turn off.

Over the next 10 years (only 6-8k miles at most), I went through 3 alternators and 3 voltage regulators, including ones that were bad out of the box. I was actually using an original unrebuilt 80's alternator finally and that one actually seemed to work ok. Then, one of the field terminal connectors failed one night and it was putting out 18V, which fried my charging wire again while I drove it home for 10 miles.

I finally got sick of it and went to a 12SI Delco for a 1985 305 Firebird. Literally a $50, 78A alternator that is more reliable and you can easily fix yourself. It is fantastic, a rock solid 14.7V no matter what is on and no BS.