Modeling the "Fargo Area Rapid Transit" in O scale 3 rail.
God bless TCA 05-58541 Benefactor Member of the NRA, Member of the American Legion, Retired Boss Hog of Roseyville , KC&D Qualified
Not at all. I and others do it all the time. But why two wires? If you're thinking about wiring the frames together, that will probably not give you any noticeable further improvement.
You can make an easy and unobtrusive single-wire tether connector from a male-female pair of connector pins (not the connector--just the pins). Solder them to black wire and cover all but the business end of the male pin with black shrink tubing. Put the female on the locomotive so that you can test-run it alone with out having the loose end fall on the track and make a short circuit (as I found out the hard way).
Bob Nelson
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