Hi

Bought a Nissan alternator of ebay. Looking for connetor details if possible.

Nissan Bosch 662.

Large Pin stud with "B" assume this is linked to battery.

Connector with 4 pins ..... any idea what gets connected to which pins?

ta
Jim.

Got a photo of the backplate?

flakmonkey posted link showing all the regulators for this alternator - search.