Not getting 12 volts to coil

I have found 12.5 coming into the blukhead connector's red and black wires, which I think lead up to the 2 ammeter wires under the dash. And going under the steering wheel, I've found only 10.8 on at the steering wheel connector's red and black wires. This difference sound like what you said, the bulkhead connectors. One strange thing is that turning the ignition switch gets continuity for 2 clicks, but if I turn the switch 'till it stops, I lose continuity. I still don't understand why I get 9 volts at the battery stud on the alternator when starting and get 10.7 between the 2 battery terminals when starting. This difference is exactly the 'voltage drop' I found by connecting my positive volt terminal to the alterhnato batt stud and the negative lead on the positive post of the battery.