Car wiring diagrams: Wiring Ford Voltage Regulator, wiring diagram, wire wiring harness, schematic circuit diagram, wiring diagran, wireing diagram, wirring diagram, wiring daigram, wiring diagrams. LUCKLY, Ford only primarily used about Alternators, and of the used the same wiring from the voltage regulator to the alternator. I'll post them all as I get time.. Video embedded wiring exsplanation for external voltage regulator for a . valve..Here you can download Ford alternator wiring diagrams for free. It's vital to get the right Ford alternator wiring diagrams so that you can fix your problem.