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david3299 david3299 is offline
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Join Date: May 2008
Location: North Carolina
Posts: 135
Swapped my 87 911 3.2 ECU with a friends' and the car started. Checked the new battery voltage on the car while idling. It read 15.6 VDC and I slowly applied gas and the voltage across the battery showed 17.9 VDC. Basically, the alternator voltage regulator is defective. This over-voltage damaged my ECU.

THANKS FOR ALL YOUR HELP..
Old 04-17-2020, 04:31 PM
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