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NBA Showtime / NFL Blitz 4P - wiring between I-40 and AUX PCB

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mata:
Hi everyone,

working on restoring an old NBA Showtime cab, and unfortunately all of my joystick are dead (don't react at all...also in test mode).

Just to get it out of the way, looking for a confirmation of the following wiring setup. Does not look correct, but this is how it is wired on my end...and was working per the prvious owner:

I-40 P1 connector (INPUT) -> AUX OUT ADAPTER
I-40 P2 connector (OUTPUT) -> Player 4 connector

Why are there even two of those connectors on the I-40 PCB, not just one (output)?

Would appreciate any info :D! Thanks!

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