Williams Big Ben. Everything else is working on the game, I just cannot figure this out. The problem is sometimes when the last ball drains an extra ball is given.
This evening I was able to narrow it down some. When the match unit is on 60 and the last ball drains the extra ball relay gets tripped and an additional ball is kicked back out. I tested this over a half dozen times I’d get to last ball, manually place match unit on 60, drain ball, another one kicked back out. I know the switch on score motor 2-long dwell switch C is in the circuit for this bc if I block it from making contact when the scenario is set up the game ends appropriately. I cannot figure out what is making a connection through the match unit to allow the extra ball relay to trip when ball drains to outhole. This only happens on the last ball, setting the scenario up for balls 2-5 and it advances to next ball and extra ball relay is not tripped.

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Great to know, this was driving nuts trying to figure it out.