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1990 Cadillac DeVille 4.5L Alternator
Posted to GM Electrical on 8/5/1998

We have tried 4 alternators and all over charge when the engine is reved up. Goes to 17 volts or more for like a 1/2 a second or so off and on. We checked all the power and ground connections. Also installed a new battery and ran extra wires to the positive an...

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Message Closed w/FIX

car Vehicle Data

1990 Cadillac DeVille

VIN 1G6CD5337L
Engine4.5 L / 8 cyl
AffectedAlternator
ConditionsOvercharging
Message Closed w/FIX

car Vehicle Data

1990 Cadillac DeVille

VIN 1G6CD5337L
Engine4.5 L / 8 cyl
AffectedAlternator
ConditionsOvercharging