After many weeks, I have a new reman'd alternator installed, and it seems to be working well.
During the swap, I found that the new housing halves were rotated 120 degrees from the existing alternator. Luckily I had installed a direct cable from the alt to battery last year, and left some wiggle room.
I've put about 50 miles on it around town. My cigarette lighter voltmeter shows the voltage moving around with as I apply load - fan, lights, brakes, defroster - more than the previous alternator. I'll give the brushes some time to embed and check again in a month.
I updated the photo stream showing the details:
93 240 Alt Regulator
Thanks for all the help!
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