Here's my wiring diagram for my year, which one is the voltage regulator for splicing the wires?
https://www.dropbox.com/s/7vld34s1bq2e1rt/Datsun_620_Pickup_Wiring_Diagram_1979.pdf?dl=0
I installed the new Saturn alternator, that was the easy part. Only modification would be to the alternator bracket and find then head to AutoZone for a shorter belt. My problem is wiring, I can't get the wiring correct