Agree with you 110%, and I can't resist poking in my usual warning that adds to yours. More charging current through the firewall connector often melts the connector as a result of contact resistance heat. The original alternators were 35A. Plus, most people add higher current loads such as higher power headlights, amps, etc, which adds to the current through the firewall connector. I don't run charging wire through the firewall, I connect them to either the starter, the starter relay, or the battery, and then run a separate wire through the firewall, through a plastic grommet. Even a reman mopar alternator will cause a heating problem because they are upgraded to 55A.
