After completely breaking down the locomotive inside the only lamps being powered by the lighting board are the interior lamps which are 6 volts, this is an older locomotive so the cab light stays on. There are no marker or number board lights for the same reason. The only thing I wasn't sure about was the output of the TMCC board which I would have put a meter on but thanks for saving me some time. I could control the cab light by hooking the lighting board to the TMCC module and leave the smoke unit connected to the track power but I haven't decided yet. I will put the appropriate resistor in line with each head lamp and reverse lamp. So far the project is coming along slowly as I have very limited time to work on it but I will post a short video when it is done.
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