[alfa] GTV6 overcharging

[Michael O'Donnell <oldpartsape@xxxxxxxxx>]

Doug-
Your problem is most likely the voltage regulator. If you check the alternator output at the battery you will see that it is too high as the engine revs.  The regulator is integral to the alternator.  The regulator is available from Bosch and some aftermarket sources as well.  It is held into the alternator with two screws and can be replaced with the alternator in the car.  The regulator assembly has the alternator brushes on it.  The regulator failing does not necessarily indicate that the alternator needs rebuilding.
I had this exact problem on my own dearly departed GTV6 once, although it is common on all the internally regulated alternators.
Michael/APE
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