accounterd wrote: I have all my turnouts facing the same way save one.
I put insulated rail joiners between that one and the main line.
When I connected my feeders, the train runs on each (three feeder lines)
but when I connect them all together,
to the forum.
It's really hard to solve electrical problems without seeing a diagram. A diagram of your track, where you have your feeders connected, and where you have your gaps. Sooo..... you will need to learn how to draw and post pictures here first. Sorry.
Someone else may try and take on your problem without them, but I can't.
Elmer.
The above is my opinion, from an active and experienced Model Railroader in N scale and HO since 1961.
(Modeling Freelance, Eastern US, HO scale, in 1962, with NCE DCC for locomotive control and a stand alone LocoNet for block detection and signals.) http://waynes-trains.com/ at home, and N scale at the Club.