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Tuesday 6 March 2018 at 02:18
Quoted from Lambecka:Already checked switch E from game over rel , but they are ok
You didn't say how you checked. Use an Alligator clip jumper wire from the Brown wire on the 6 volt fuse to the Grey&Orange wire on the Game Over light. Then work back from there.
Source: http://pinside.com/pinball/forum/topic/game-over-williams-big-deal#post-4265018