If you can't find OEM12 try the OEM7 schematic. Both radios were similar with 4 tubes. You might also check 5000 numbers. These radios have a 5xxx number as well as OEMxx.
Norm
: I now have a Day Fan, (General Motors Radio Corp)
: Model OEM 12. Riders has a schematic for OEM 7
: and OEM 11 but no OEM 12. Any ideas where to find one?
: TIA
: Bill