Capcom Bowling conversion 3" trackball wiring HELP

davemcl

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Capcom Bowling conversion 3" trackball wiring HELP

I have a 3" capcom bowling trackball without wiring harness. I am making a CP to go on a jamma wired taito cabinet that currently has a Contra jamma PCB installed. I have 4 pin molex connectors to plug into the 2 molex headers on the trackball, but do not know the pin designations for the trackball connections. I am pretty sure one 4 pin header gets joysick left/right, +5VDC & ground and the other gets joystick up/down, +5VDC & ground.
Assuming i am correct, does anyone know which connections go to which pins?
I'll try to attach photos of the trackball
Thanks
 

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