Does the blue wire go to the ballast resistor? If so, its the "run" wire from the ignition switch.
Yes. If no ground it would show infinate resistance. You have it on the 200 kOhm scale, and from the LCD so I take it as 0.2 kOhms, if so, that 200 Ohms. Put it on the 200 Ohm scale and see what it shows.
10.5 is low relative to your supply - This top connection ought to be the RUN and be joined with the wire to the voltage regulator. The 6 volts on the other side of the resistor ought to be the power to the coil positive.