The voltage shouldn't be quite that high. How are you measuring?

Depending on where in Rochester you are, I could probably stop by and help you out if you want

Try putting one lead on each of the wires going to the lamp socket. It's possible that the other side of the connection is being cut but still going to the rail.

Checked your fuses?

The playfield lights go through the fuse, the connector, and the lock relay. You should have continuity from the green-yellow-white wire coming from the transformer all the way to the blue wire on each lamp socket

Looks like the coil is probably bad so they jumpered over the switches since they aren't closing. I'd get a new coil and hook everything back up right.

Assuming it's the same as Gulfstream it's a M-29-1250 per the manual