I have a monster bash that I have been restoring and I have a pretty good issue I can't figure out. Don't get me wrong I am still pretty new to the hobby but I think I did a fair job troubleshooting this one.

My opto switch does not register anything for the right popper.

I tried to swap out the opto switch from The outlane opto and still the same problem. the previous ones work at the outlane spot but not in the right popper.

I swapped the opto board with the exact same model board from medieval madness and same error.

I traced the wires to the opto board and they show a complete circuit to the opto board when using the multi-meter. I have replaced my CPU board with a brand new one from rotten dog.

Any advice?

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