I have a mysterious draw on my battery. It will kill the battery from a full charge in about 12 hours. I went thru every fuse in the main fuse panel and the draw remained unchanged. The only other electrical "stuff" going on is the speedo is erratic and will usually not work at all. I replaced the sending unit that connects to the tranny...same issue. The parts store tested the battery and Alt. and said they are both good. I am at a loss. I just keep disconnecting the battery each time I park for more than an hour or so.