The continuing saga of the mysterious battery drain

My car dies sometimes.  We thought we were holding the problem at bay by pulling the master fuse when we’re not in the car because that would keep the accessories (radio, lights, clock, etc.) from draining the battery while it’s off.  John was supposed to be using the time we were buying by doing that to research the problem so he could fix it for me.  We got about a year out of the last battery, which we replaced right after Christmas (just a few weeks ago).  Fresh new battery means no problems for a while, right?  Yeah…no.  I was able to start the car (and drive it places) three different times Monday night (after leaving it sitting in the driveway for three full days), but Tuesday morning it was dead.  Since I still pull the master fuse out every night, nothing on that panel can be what’s killing the battery (there goes my new radio).  The locks have been acting up all this time, too, so that night when we got home (in the dark, in the rain), John unplugged the relay for the power locks (and possibly some other relay, but I haven’t found anything else that’s been disconnected yet).  So far, I haven’t had any issues (and I was already used to using the key and the manual locks to lock and unlock the car since the power locks have been so unreliable).  Okay, it’s only been a day and a half.  We’re going to try not to use my car all weekend again as a test.  From Friday night to sometime Monday, we’ll leave it sitting in the driveway and use John’s car for any errands.  If it starts after two or three days, then we’ve probably found the problem.  I’m not sure what happens after that.  Is the relay bad?  Or is it something in the wiring?

Man, I’m much happier focusing on this issue than the stuff that’s happening at that place I have to go to every weekday.

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