Ignition woes

67Dart273 said
I don't have time this morning.......have to head to work soon. If you have no ballast, and the ignition/ coil combo is set up to be happy without one, you need to find the voltage drop problem. This will normally cause an OVER charging voltage because the voltage DROP feeds low voltage to the regulator, if you can follow that

Your main points of drop problems are
bulkhead connector.........ammeter and ammeter connections........in RARE cases the welded splice up under the dash in the black ammeter wire........the ignition switch connector......the switch itself.....and back out that path on the "run" (IGN1) wire so one more terminal through the switch connector, and one more on the bulkhead connector

Please read this MAD article which has a very good overview and simplified diagram

Catalog

I have this similar problem ,18v at the coil positive, and the vr getting hot while running. Kinda pointing me toward the ignition switch, what is the best way to track this problem down. seem to have good continuity everywhere and I can't find nothing going to ground.
When the key is on is when the alt starts losing voltage.
I have the vr grounded good
12v on both sides of the bulkhead where the alt wire goes through and dark blue comes out with key on
This on a 67 barracuda with the old points style vr