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The voltage regulator is not working properly.

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16y ago

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What is a likely explanation when an alternator is overcharging a battery?

Defective voltage regulator.


Why does battery light stay on in 1993 400 SC Lexus?

Likely the battery or alternator, but probably the alternator


When a battery goes bad does it ruin the alternator?

Not likely but as alterantor keeps trying to charge a weak battery it may wear out, however as you are not likely to keep a bad battery in the car for so long there should be no damage to alternator if battery is replaced.


Your alternator and battery both tested good but the battery is not being charged?

Most likely cable running from stud on top of alternator to battery terminal is corroded or broken.


Can car die while driving if it is just the battery not the alternator?

Not likely.


MY car battery light is still on after the alternator and the battery has been changed. The battery cables are clean and well attached. Now what?

Battery light usually means alternator not charging. Most common solutions would be be a bad alternator, bad connection, or loose alternator belt. A replacement alternator can be bad. If it is ok than most likely a poor connection to the alternator.


Can running a new alternator on a half charged battery cause damage to either the battery new alternator voltage regulator etc?

Not likely, but running the engine with a dead battery can damage some alternators. Always fully charge the battery when installing an alternator.


What would make my battery go dead after replacing it and the alternator?

The vehicle should ave a voltage regulator. If the battery and alternator are good then the regulator is most likely bad.


Why is the battery on your car losing juice?

Most likely your alternator is not working properly.


Why is the battery over charging in your 1999 aurora?

its more than likely the alternator.


How do you make the battery light to go out after replacing the battery?

If the light is still on then the problem was not the battery but was instead the alternator which is more than likely defective.


Why did my battery light flicker?

More than likely your alternator is getting ready to go out.