HI

I have bin trying to find a pinout diagram, so that I can find out what the second non jamma contackt is for. I have bin serching on the net but have jet to find eny jusfull info or images, so eny help wold be aprishiated.

Im not surten what gamme is on the system, but the markings on the rom chips makes me think its the Knuckle Heads games.