I have a Grand Prix and it would get stuck on ball two. There is a stepper unit in the cabinet for ball count. Make sure that is stepping smoothly and resets properly.

#9 8 years ago

FOX

foxct

Pinside member

West Hartford, CT

10y 39,900 181 2

Www.pinrepair.com has an em repair guide with a section on steppers. Good place to start. I never got around to mine

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