14 GA or 16 GA Fusible Link?

And just for some added information, in the back of the Plymouth 1965 Technical Service manual there is a section of the book called "Specifications" and on page 12 of that section the alternator ratings are: six cylinder in AV-1 models: 26 amperes, all other V-8 models: 34.5 amperes, and heavy duty/A-C: 39 amperes. Pretty conservative compared to current vehicles.

Currently Rock Auto only shows listings for 55 and 60 amp alternators for a '65 Valiant.