Thanks for all the help, u guys got it. I check continuity between the cable and it was good but when I checked between the board and the cable nothing. Found a broken contact
Got my Tron game working last night but I can't seem to get green or yellow in the monitor? If i turn the green up on the neck board the monitor turns green, that leads me to believe its not a problem with the monitor but the chassis? I just rebuild the chassis with the full Bob Roberts kit so...