1965 Dart Charging System Question

Here's some tips on removal. I think the two multi-connectors on your '65 are similar to the these
question on the main harness plug on firewall
'65 has a seperate terminals outside of the multi-connectors for the alternator and battery feeds. Most of us think that's actually a better design.
edit: Just looked at a photo I took yesterday of '65 Satelite.
Connectors are a little different. Terminals will remove the same way though.
upload_2019-11-29_21-47-6.png

For new 16 or 14 gage terminals, this may help
Sources for Chrysler type wire terminals