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mysocal911 mysocal911 is online now
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Join Date: Feb 2014
Location: Lomita, CA
Posts: 2,738
Quote:
Originally Posted by david3299 View Post
I had my ECU repaired. Car is now running. However, my battery light is ON when the car in off and it's OFF when the car is running. I could have a defect Porsche Alternator Diode. Does anyone know the location so I can check the forward and reverse bias on the diode?
You need to remove the alternator and use a VOM to check for shorted diodes.

Next time you have a DME ECU problem use this Pelican Parts post;

http://forums.pelicanparts.com/porsche-911-technical-forum/621262-911-3-2-no-start-troubleshooting.html
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Dave
Old 04-29-2020, 07:07 PM
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