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-   -   3.2 correct alternator voltage? (http://forums.pelicanparts.com/porsche-911-technical-forum/965199-3-2-correct-alternator-voltage.html)

adias 08-02-2017 01:20 PM
3.2 correct alternator voltage?
 
What is the correct alternator voltage on a warm engine at idle and at 3kRPM and no other loads on a 3.2?

My data:

Engine off battery alone 12.6V

Idling - 12.8V

3kRPM 13.8 to 14V

darrin 08-02-2017 01:52 PM
13.8-14 sounds good -- you want to watch out for spikes over 14.3 -- can you monitor voltage over an extended period of time? Spikes would be my real concern and can be very transient.

proporsche 08-02-2017 01:55 PM
Hi Adias..basically it should be 12.8-14,2 volts.... any other thinking is overthinking....
Ivan


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