Trying to work through an issue on my Judge Dredd trough. When I run the test report it says there is an error on switch 81 and 82 which are the last two ball slots in the trough. If the correct amount of balls are in the game it will shoot out extras in the shooter lane. If I take out two balls then multiball does not end when it is down to one ball. I have included some documentation on the trough.

I got brand new opto boards for the trough and that did not fix the issue so I am posting here for help and to prevent me from going insane. Thank you in advance gang!

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When I removed all the balls and ran a test trough 81 & 82 were still showing errors. However, once I did that and put the balls back one by one and then restarted the game there was no longer an error there. As soon as that was fixed 2 optos ceased working. The one going into Dead World and the VUK on the bottom left of the game. Could these be connected at all or am I just having some bad luck? haha