High voltage

Some good sites/information;

https://www.hemmings.com/magazine/hmn/2008/12/Chrysler-Alternators/1735462.html
MyMopar - Mopar Forums & Information - Mopar Wiring Diagrams 1966 to 1971
Vintage Chrysler electrical repairs and updates
Improved Wiring for older Mopars
The Early MoPar (60’s and 70’s) Wiring and How It Can Be Upgraded
Mopar Charging Systems
Mopar Charging System - MyMopar.com
Alt Text: 5 Things You Should Know Before Using a High-Output Alternator - OnAllCylinders

This should give you enough to make an informed decision.