This article was originally posted on Steve Kulpa’s Bally Page at stevekulpa.net.
Reproduced with permission from Steve Kulpa.
Written by Steve Kulpa
How To Wire Flippers For A 2-Flipper Bally Game
[Editors Note: This information applies to early Bally flippers. These are ‘serial coils’. This does not apply to later Bally / Williams WPC flippers that contain ‘parallel coils’.]
Just in case you need to wire up your flippers, here’s how they should be connected in a 2-flipper game. If your machine has 3 or 4 flippers, then look here for help as there is extra wiring in order to serve power to the upper flipper(s).how
Schematic: