NBA Jam - Player 3 start button not working

billpa

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Joined
Mar 11, 2008
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3 player start button not working on my NBA Jam. Opened up the CP and the switch checks out ok. Reset the harness connectors. Can't figure out what is wrong. Could it be a bad ground connection causing it? I have a multimeter so I can check continuity. Just not sure where I am check to/from.
 
I'm having this same problem 7 years later! Any updates? If I trigger the start button on the pcb board it shows the coin switch being activated on the switch test screen.
 
Actually it's the player 3 turbo button is registering as coin 4 in switch test mode.
 
if it's dedicated and has original harnesses then look at the wire colors and compare them to the wiring chart in the manual. there's always the possibility that someone wired it wrong. ;)

what part of Wisconsin are you in?
 
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