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Question are you running Legacy? Could it be a signal issue? Check the track for cleaning, and be sure your wiring is good, and the rollers and wheels in your Locomotive. I had one of the first VL Challengers that would stop running through #5 Atlas O switches, was a signal issue. Run your Locomotive in Conventional to see if that works? Just ideas. That’s a nice Big Boy.  Good luck.

I am running TMCC, everything is clean. My 773 has no problems on the same line. Just the Big Boy usually quits after the first set of drivers go through. I thought it may be loosing ground or signal. I also tried putting the command base ground on the opposite rail. I was going to try buying tubular O gauge track and switches. I thought that the O27 gauge track may be to light for the Big Boy.

Secarider posted:

I am running TMCC, everything is clean. My 773 has no problems on the same line. Just the Big Boy usually quits after the first set of drivers go through. I thought it may be loosing ground or signal. I also tried putting the command base ground on the opposite rail. I was going to try buying tubular O gauge track and switches. I thought that the O27 gauge track may be to light for the Big Boy.

Does it lose the common because of the insulated rails?

Doesn't feasible, but maybe there is a TMCC reception signal just because of the engines' antenna location (I know it is one of the metal handrails, but one could be on the left, other on the right). So, as a dumb check on my unfeasible idea, have you tried turning the Big Boy around and running in the opposite direction?

I also know that an earth ground laid next to a problem area can improve TMCC reception. So, at least to my mind, a quick check would be to get an extension cord that has the earth ground (three blade plug/receptacle), plug it into the same power strip as the TMCC command base, then lay the extension cord along the side of the switch. If this fixes your problem, you can come up with an esthetically pleasing solution.

Once you have verified all pickup rollers on the engine are connected together (as @gunrunnerjohn has directed above), then I suggest getting a piece of paper long enough to span from pickup to pickup on the engine. Mark on the paper the location of the pickups. You can then slide the paper along the center rail through the switch to verify that all the pickups do not fall into "non-rail" sections of the track.

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OGR Publishing, Inc., 1310 Eastside Centre Ct, Suite 6, Mountain Home, AR 72653
800-980-OGRR (6477)
www.ogaugerr.com

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