Bizarre problem: pushing battery drawer inward acts like key turn
This is one of the strangest things I've ever experienced.
International 3800, Thomas coachwork, T444E.
I removed and rewired my road batteries. With the work complete and looking nice, I first turned the key to make sure everything was cool. It is.
Then, I tightened everything down and pushed the battery drawer in. As I did, I heard the brake assist motor kick on. Pull the drawer out, brake assist turns off.
I also tried, with the drawer in (and the brake assist motor on), starting the bus. It started fine. However, when I turned the key to the left IT REFUSED TO SHUT OFF. Whoa. So, I went out and pulled the battery drawer out, and the bus shut right off.
Note, though, that the batteries are still connected with the drawer out. I can still start the bus. In other words: with the drawer pulled out, everything acts like it is supposed to.
I did some fiddling, and it seems very precise: there's a particular point of pushing the battery drawer that seems to activate the bizarre mode. Moving the batteries around (independent of the drawer) has no effect; only the position of the drawer itself seems to cause this.
I can't think of an even vaguely plausible explanation.