you're cornfusing electronic ignition with electronic voltage regulator parts.
the box you showed is an electronic voltage regulator. it takes an entirely different plug than the distributor, as you found out.
your electronic ignition takes a box that looks like hoppy posted above. follow the wires from that and you should find the pigtail for your distributor.
No it ain't. Yall are crazy. That three prong plug thing is a juju amplifier for amplifyin the jujus and the other thing hoppy showed is a early model flux capacitor for capacitatin the fluxes. Yall don't know nuthin.