Red Tail LED's

[Hamltnblue]

 You might want to contact this person.  He has some Amtrak stuff and seems to have answers to similar problems

http://prrnortheastcorridor.com/NORTHEASTCORRIDORHO.html

[alloboard]

Which vendors make red tail LED's for commuter and passerger coaches such as "Comet"and "Amfleet" coaches.