Re: 96 Bounder ATS location
There is a good chance that the contacts are burned, or have welded closed. While you might be able to do a temporary fix, it is usually best to replace the ATS once that happens. Make sure that you remove all power before you open the device to look at it. If contacts look burned, then can be cleaned with a piece of emery cloth, or a point file. Be careful to remove only the amount needed as there is a coating that is intended to prevent this problem which if removed, will cause the problem to return very quickly.
One of the main things that cause this kind of problem is that people fail to turn off all loads before shifting power supplies.