I have this machine also.would like to compare wiring hookup with you.I need a few pics myself.if I'm correct.you have not played game yet.some wiring may be issue.contact me and I will send pics of wiring in switch area you showed.my harness was cut at factory in junction and then double tied.first time someone pulled out score reels to service they rolled wires in harness and head scratching started. and my game sat for 40 years.would like to help each other.