Msd Pro Billet Distributor Wiring Diagram. Msd 6al 6420 wiring diagram for optispark. Before installing the msd ready to run distributor, disconnect the battery cables. MSD 8365 GM HEI Billet Distributor Installation User Manual Page 6 / 8 from www.manualsdir.com Xxcheck the affliction on the teeth over the sprockets. Distributor ford wiring diagram msd 1971 […]