Quote:
Originally Posted by david3299
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?
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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