I downloaded your featheriver F7 red and your green MEC repaints. I am using Train Simulator 2021 and have the feather river DLC installed..
The two repaints show up and work great except the side Maine Central script on the sides, which are apparently part of your "childs" folders.
I followed your instructions carefully, however, my installation never had an original "Assets/SearchlightSimulations" folder so I made one and copied your downloaded files to it so for the green version I have "C:\Program Files (x86)\Steam\steamapps\common\RailWorks\Assets\SearchlightSimulations\FeatherRiver\RailVehicles\Diesel\F7\MEC_red\childs\ with the subject files in side the childs folder.
Trouble is, no side script as I said.
Is this childs folder in the right place? Also what do you mean by "The Searchlight Simulation needs to be checked for the side lettering to show up. That should do it. Make sure that you have the Feather River checked in the Asset box"? I new to TS 2021 but very experienced with a long list of flight simulator programs o I understand a lot of the basic concepts of simulator games but I do not know about checking assets etc.
My dad was a brakeman and Yard conductor for Portland Terminal, we lived about 5 miles from Rigby in the late 40s thru his reirement i nthe late 60s.
Thanks for your help, in advance
Mike Concannon
CAPT USN (Retired)
Naval Aviator