I need 12v

Sorry the issue is that HE IS RUNNING A MOPAR BREAKERLESS ignition WHICH MUST USE a ballast resistor.

I agree, running the mopar breakerless ignition with EFI is, and will continue to be, the issue

Also you might want to correct your post. ???MSD alternator??? Whut?

Doing multiple things at one, I meant MSD distributor, my bad