Quoted from dearliza98:Here's a quick video of what it is doing when I turn it on.
ยป YouTube video
Thats the typical system3 fault -- beep beep --- you have to change capacitos C20 + C21!!!!
Discussed a bit here:
https://pinside.com/pinball/forum/topic/gottlieb-system-3-tantalum-capacitor-polarity#post-1242543
EDIT:
Forget, what I wrote, I did not look at YOUR video, but the one from ace ...