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Well, I'm afraid this will not be much help, but I will let you know my status. Due to my work schedule and the fact that I needed new jack stands, the car sat in my garage for almost 2 weeks with the battery disconnected. This last Sat. I got underneath the car and disconnected the cable to the starter. I then measured the load through the system. It was essentially zero - definitely less than 50 milliamps. Then, just to double check, I reconnected the cable to the starter and did another measurement - essentially zero. So, I really have no idea what was causing the drain. All I can think of is that there is something on the car that causes a drain after shutting the car down, then dies off over time. Just a guess. I drove the car Sunday - checked the voltage on the battery before and after I left. It was higher upon return, so the charging system seems to be working. I also drove it yesterday to and from work with no issues. I plan to check the battery voltage sometime today.
So, in short, I have no idea what was causing the drain. I plan to monitor things for a while and will report back on this thread if I discover anything of interest. It's entirely possible that my original battery died a natural death, and that I just purchased a defective battery to replace it.
Sorry I can't be of more help.
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