What does this mean, "draw from my lights"?
Yes. The full-field test you say you did involves the use of a voltmeter. What reading did you obtain?

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一期一会
Too many people who were born on third base actually believe they've hit a triple.

When the ignition switch is "on", it should feed +12v to the voltage regulator's "IGN" terminal. Turn the ignition on and put a voltmeter across the regulator's "IGN" terminal and ground. You should see battery voltage. If you do not, there's a fault in the ignition switch or the wiring between it and the regulator. Then check for continuity between the regulator's "FLD" terminal and the alternator's field terminal.

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一期一会
Too many people who were born on third base actually believe they've hit a triple.

The reading was about 11.

If the reading was about 11 with the full-fielding test being done properly, then the alternator's defective and needs to be rebuilt. Heed the cautions in this thread about not buying "remanufactured" parts.

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一期一会
Too many people who were born on third base actually believe they've hit a triple.