In Reply to: 960 Voltage Regulator posted by John Gustafson on September 28, 2020 at 11:47:26:
How did you determine the VR was DOA? Did you polarize the generator with the new VR?Yes? How? Your 900 uses a 'B' Circuit Generator. Are you wired as the OEM 6V/POS GRN unit? Verified your wiring is all correct? The I&T FO-20 Manual is also a big help with wiring schematic.
FORD NAA/600/800/900 TRACTOR ELECTRICAL WIRING: