1974 Dart Swinger

How about the gap on the magnetic sending unit (where points on a non-elec dist would be) if memory serves me correctly it should be 0.010 or 0.008", make certain to use a brass (non-magnetic) feeler gage to check.

Are you getting spark? I'd take a look at the control module even though you replaced it already - I used to go through them like crazy with mine - back in the day.