New wiring for our ‘67 B’cuda

Thanks for the photos. Those, with schematics answered a lot of questions. Before I saw them, I guessed the correct spot for the regulator. My car’s firewall does not have a mounting hole in the right spot for the ballast, unless I have overlooked it.

I did avoid one major mistake. As I have said, M&H does not label wires. Factory schematics show the neutral safety switch (NSS) wire is brown and attaches to the starter relay. Yep, M&H has a brown wire in the area that reaches, and after I attached it, I got to wondering about the power wire for the windshield washer (WW). Using the schematic, I found that it is also brown… but the new harness only has one brown wire in the area. Using the schematics and an ohm-meter, I determined the brown wire in the new harness is for the WW, not the NSS. Had I not double-checked I would have had a real electric gremlin to chase down.

So I moved the WW wire and noted that the harness does not have a NSS wire. This caused me to do more research, then it occurred to me that the PO installed a 904 from a Volare - tather than a one wire, it has a three wire switch on the trans. I will have to make my own NSS wire and figure out the reverse lights.