As most readers know, the freight car fleet on the Richmond Terminal is equiped with resistor wheelsets to make sure that all cars are detected on the line, and that the signal system reflects that fact.
To do that, I've used Intermountain axles that I prepared and installed.
Some freight car truck designs do not support the IM axles and require a different approach.
These are Athearn coal cars - the bathtub style cars, BTW.
Glue a 10K 1206 size resistor, and then paint to the wheels with conductive paint or glue. Problem solved.
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