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-   Porsche 911 Technical Forum (http://forums.pelicanparts.com/porsche-911-technical-forum/)
-   -   1974 2.7 Alternator Problem (http://forums.pelicanparts.com/porsche-911-technical-forum/764123-1974-2-7-alternator-problem.html)

Joe Bob 08-14-2013 04:34 PM
In my experience, low voltage is the alt and rare cases the battery. High run away voltage is usually the VR.
Full charge at rest 12.5
Idle 13.5
2500 rpms 13.5-14.2 max

Test the alt, battery and VR at the shop test again after replacement/rebuild.

fuch'd 09-23-2013 07:29 PM
Alternator woes solved
 
Well, finally got the problem diagnosed - bad stator in the rebuilt alternator. Thanks to the group, I now have a backup that is also being gone through. Can't wait to get it reinstalled.


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