1978 Ford F150 Alternator Wiring Diagram. 1978 alternator wiring ford truck enthusiasts. Web i am looking for help on the charging circuit of a 78 ford country squire have new voltage regulator and lugs. Ford F150 Alternator Wiring Harness from guidelibroth.z19.web.core.windows.net I have had the bad luck to have experience the infamous alternator fire. 1978 […]