I have a Jackpot pinball machine that will not add players. With credits loaded, the first press of the replay button resets the game and starts as one player. Any subsequent presses merely remove a credit. I can manually move the coin unit s/u and start multi players games. I have jumped the coil and it fires fine. I just don't know what is supposed to signal it in the first place. Also, the game doesn't always reset correctly. Seems to have trouble clearing the thousands position on the scores from time to time. Any help would be greatly appreciated.

Well, that was easy. Didn't even really do anything to the switches and the coin unit s/u started firing. Any thoughts on the scores not always resetting?

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Well thanks to your help I got everything working. Even managed to rebuild the coin door so that works. Randomly I was test playing it and now the ball will never increase to ball 2. Also, the player never changes. Always on player 1 ball 1 no matter what.

If I tilt the game, once the ball drains, ball and player increment as they should.

Ball index relay is not closing. If closed by hand all works as intended.

Figured it out. Thanks...