I am so happy for you that you found the problem. This issue had me so upset with the car all this season that I didn't even care to drive it. I lost an entire cruising season because of it. Also glad it is confirmed that this was a genuine issue and genuine fix. Ever since I tightened the belt, the car doesn't stall when warmed up. Good cruising to You. as a side note..My life-long mopar guru still shakes his head about the fix and now I can tell him there was another just like mine. Lol.

I am glad you found a solution . But electrically, it does not make sense. If the alternator output was low, the battery should have supplied adequate current/ voltage to compensate for the low alternator output. The exception being the battery is very weak which is unlikely as it starts right back up, or there is a problem elsewhere in the circuit. In that case the Alternator could back feed the circuit to mask the root cause beer