charging problem

First test

"Engine stopped, Key in "run"

Put one probe on switched 12V ignition, the other probe on battery POSITIVE."


Results:
The meter set on the 20v, the key on run, one probe on dark blue wire at alternator and the other on the battery positive post. 12.6 volts

I moved the one probe from the alternator to the dark blue single wire side of the ballast resistor and got 11.58 volts.

I then rechecked the battery directly between it's two posts and got 12.6.


Second test

with the engine running "fast idle" make the following test first with all accessories off

and again with lights, heater, etc turned on.

"Stab one probe of our meter right into the top of the battery ground post. Stab the remaining probe into the mounting flange of the VR. This is with the meter set on LOW VOLTAGE. You are measuring across all the connections, good and bad, on the "road" from battery NEG to the VR mounting flange."


Results:
Accessories off, engine at fast idle, meter set to 20v: meter read 0v
Meter set at 200m: meter read .02v

Heater fan and headlights on, engine at fast idle, meter set at 20v: meter read .02v