I've seen locos with a board built in with an 8 pin or the 9 pin plug on them then a separate decoder plugs into that. I cannot find these little boards anywhere. They appear to have some simple surge protection and some resistors for the lights already built in. Seems a good idea to have a board to mount the decoder to instead of wiring the decoder right to the train.
Does anyone know where to get these small boards?
Does anyone know where to get these small boards?