When I turn on the cab the lights will flash a couple times, then stop and only leave the billboard system on. Also, as you can tell from the video, the top light just doesn't come on. What I want to do is disable the billboard system (because I have a backlight film marquee and the numbers shine through) and have all lights stay on. How would I go about doing that? By the way, I already tried switching out one of the bulbs from the bottom row to the top to see if the bulb itself was the problem, but lo and behold it still didn't work.
https://www.youtube.com/watch?v=Bbk98SK68sw
https://www.youtube.com/watch?v=Bbk98SK68sw