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Ve commodore alternator

lout

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So if the alternator was not functioning properly before, the battery health would have suffered. The faulty alternator (genuine would easily cost that now. I paid $550 three years ago) is replaced and is now trying to charge a faulty battery. So you could easily get some problems.

First verify if the battery is ok. Take it to battery world and get them to check its health and have them load test it. Then you know if it’s the alternator or the battery.
Another issue could be the software. There is updates for the charge circuit available at Holden dealers. It’s the BCM (or is it the ECM?) that controls the charge of the alternator. It’s not like days of old when the voltage was done by just the alternator.
 
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