If the N scale version is made the same as the HO one, you cannot turn them on and off because they do not connect to the decoder. On the HO models, the interior lights are connected directly to the wheels of each individual coach and to adjoining coaches through a jumper wire that interconnects all three units.
I've installed the recommended Digitrax decoder in this set. I have control of the headlights; however the cabin lights are on constantly.Does anyone have any suggestions how to control the interior lighting?