I have a Bally Bazaar pinball machine. While playing the other night, it started making a buzzing noise. When the game ended and I tried to start a new game, the score motor unit would continue to spin and it would not reset the score reels. I manually reset the score reels and now the game will play, but it will not keep score. It just buzzes. I looked in the back and do find a grey and blue wire that seems to be disconnected. It is located just below the score reels. I do have the schematics, but don’t know how to read them. I have attached a picture. Any advice would be appreciated.