Used 3 LEDs for each caboose with clear Tamiya Orange painted on each to tone down interior light.
Passenger cars had full strip from the kits with no paint . Half of the strip facing down and half facing the ceiling area.
Not exactly lifelike or purist in nature but I've been very pleased with the effect given all the different building and signal light temperatures.
Thanks for keeping me away from all the other regular things this railroad has to have done John. This LED lighting thing is new and interestingesides beneficial .