Alternator Wiring

[Bill Gantt]

does anyone know about a mando 1-2459-01 IR/EF (it has one hole on one side and a 3 hole ear on the other)
ie wiring/ inclued regulator/capacity
THANX Gantt

[msauntry]

I would think that the "IR" denotes "Internally Regulated". "EF" I don't know.
External Field? Electric Field?

Can you mount it with those holes?