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Haha fair enough. So I took it to the on base auto shop and went over everything on the alternator again. The vibration ended up loosening the nuts on the part I was using to hold the bottom of the alternator in place. So I tightened it up to a half inch in play on the belt, torqued down on it hard so it won't happen again and now it's back to charging around 12.50. I might take the regulator apart later to see if that's fried, but the last owner riveted it in place for some ****ing reason.
the volt meter can just sit on the passenger seat or console until you work this out...it doesnt have to be fancy...run 2 wires from the meter to the post on the battery. Keep it simple for now.
Put a cigarette lighter plug on the voltmeter and plug it into the cigarette lighter. That will show the battery voltage anytime the key is on run or acc. You can buy them like that.