Alternator/regulator upgrade

2v from alternator stud to battery+ is getting to be a bunch. "The path" is alternator stud---through bulkhead connector(big black)--through underdash welded splice---through ammeter----back out through bulkhead (big red)---through fuse link and underhood wiring to battery.

This is the functional path not necessarily direction of electron flow. Each point--and each terminal at each point is a suspect and it could be more than one.

The 14.6 is fine at the alternator--shows it is regulating at a proper setpoint

The output stud of the alternator also feeds off to the horn relay--merely a junction point