Tolsen this is now making sense, as the person who sold me the new power plant had replaced the alternator recently and never checked it.
Its a rebuild unit and possibly wrong internally ... So now my quest is getting it out, and swapping it with my old unit which I know is good.

I'm finding out the hard way Smart isn't that smart. Drop a driveline to replace an alternator ? Its something one of us yanks builders come up with to make easy cash at a dealer.... Stevegeorge. If this're my hero... Stay tuned..