A bit of a problem...

[doctorwayne]

Dave, the layout has been divided (sorta) into "blocks" right from the start, as the mainline through every town is doubletracked, with each track controlled by toggle switches. Also, most of each town's industrial area is similarly controlled. With the main power source shut off, and a separate power pack connected directly to those isolated areas, operation is totally normal. However, the single-tracked mainline between each town is all hardwired, beneath the layout, as a single entity, and it's the wiring to those areas that's being cut. The layout was originally done as common rail, so one rail is continuous around the entire layout, and I've been told that in that form, I'll have to gap that rail in various places if I hope to track down the problem.

I'm not sure that I want to get into that, and am considering simplifying things even more than that. In the meantime, I'm still working on it, but not to any particular schedule.

Wayne