OK folks, I've been working on the ol b6000. New glow plugs so far. Went to try it and it would crank but not start. So I figure I've got air in the system somewhere. In the mean time something happened when I tried to crank it. Got a spark underneath around where the starter is. After that she won't crank at all, though the fuel pump is running. Ideas about the short? I mean it won't even try to crank, just sits there as if the batter were dead, but it's not.