Yes, 3.2 CAB, I think you're right about the Haynes manual. I think, however, that "governor" is possibly just fancy talk for Voltage Regulator.
Check this out:
Do the alternator and VR have to be matched??
I'm just wonder (if indeed it is the VR) if it's right for my CIS with my Red Plate SEV Motorola.
Thanks for looking.