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1969 Mark III Charging Issues

Hi -

I have a 1969 Lincoln Mark 3 I just recently replaced the alternator because it wasn't properly charging the battery now it is not charging at all what could be my problem it's driving me crazy.


Greetings -

As I understand it, the alternator was replaced because it was not charging properly and now it is not charging at all. Was it replaced with a rebuilt and tested one or only another one with an unknown condition. An important fact that you should be aware of is that most Mark III's of this era (69- early 70) were unique in that they have a special exterior mounted electronic voltage regulator. Many alternators are replaced without any meaningful diagnosis therefore I would advise you to have the charging system checked out at a local automotive electrical shop to find out if the alternator has any output etc. or if it is indeed correct for your vehicle.