1996 Oldsmobile Aurora overcharging system

1996 OLDSMOBILE AURORA
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Electrical problem
1996 Oldsmobile Aurora 4 cyl Two Wheel Drive Automatic

i have a 96 olds aurora. Guage in car reads 15.5v and higher. i have replaced the battery, alternator, PCM and ECM. what else could it possibly be? checking the guage in between replacing these things the guage stayed the same. sometimes going lower but always hovering around 15.4/15.5v
Mar 15, 2010 at 2:47 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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