In the move of absolute dumbassery on my part I could not figure out why my 1974 Bally Big Show was having problems with the kicker that sends the ball into the trough. A wire fell off and I had to rewire it unfortunately I did not push the tabs down enough and when I put the faceplate on it was touching one or both of the leads and making the whole game turn dark. Only took me a day to figure that out LOL