I have a Street Fighter Zback HS5 cab with a 25” RCA A63ADT10X05 CRT. I added a T8 LED bulb to the marquee to complete the cab, however, when the CRT is plugged in at the same time as the Marquee, the marquee doesn't power up. When I unplug the CRT, the marquee bulb works.
I noticed that both...