Quoted from CTHOMAS1998:Flasher 07C nothing anywhere, but I recall a Service Bulletin about that, will check that out.
Left out by the factory. But it can be reconnected if you want to.
Quoted from CTHOMAS1998:it appears 03C is not working on the back board, or the playfield. Will check resisitor boards
Look for the flasher board with the black/orange wire, check the resistance of the larger resistor closer to the blk/org wire.
Quoted from CTHOMAS1998:And either 9 or 10 isn't working. 2 out of the 4 flashers begind the translite arent working.
The resistor board for these 4 bulbs is behind the insert board. Follow the wire from the pair of non working bulbs to the flasher board to see which side of the board you need to test the resistor on.