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What causes the headlights to surge bright for a second or two as well as a brief alternator light to go on on a 94 CavalierVoltage regulator going bad Alt and battery have been tested?

Anonymous

∙ 18y ago

Updated: 12/9/2022

sounds like the alternator is going bad to me. ive had a car before that it started going bad twice... got rid of that old hunk of junk and got me another one. but try replacing your alternator. is not that expensive, usually 60 bucks.

Wiki User

∙ 18y ago

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Related Questions

How come your battery dies when you use your headlights?

because the battery is the source of the power for the headlights. there could be an issue with the battery or the alternator can be failing.

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.

How do you fix an alternator that overcharges your battery?

On most vehicles today the voltage regulator is built into the alternator. If that is the case then just replace the alternator. If the voltage regulator is external on your vehicle then replace the voltage regulator.

What causes alternator not to charge battery?

Defective alternator or internal voltage regulator is bad.

On a F-450 what causes the alternator to not recharge the battery?

either the alternator or the voltage regulator are no good.may also be a bad battery

What causes headlights to dim while driving?

Your battery is weak, or your your alternator is not charging battery.

Why would your battery light stay on after you have put in a new battery and alternator?

The battery light comes on when the alternator output voltage is too low or too high. You have a wiring or regulator problem.The battery light comes on when the alternator output voltage is too low or too high. You have a wiring or regulator problem.

Why isn't your Mazda truck alternator not charging your battery?

bad alternator, bad voltage regulator, bad battery, bad connections.

Buick lesabre new alternator battery will not charge?

Have you checked the fuses?AnswerMay be a bad voltage regulator. alternator is no good without a voltage regulator. that's what "turns on" the alternator.

Lights flicker on dashboard and headlights after replacing battery on 2003 pt cruiser what causes this?

it is caused by the alternator voltage regulator switching on and off to charge the battery, this problem is encountered on many makes of car, you may not of noticed it before prior to exchanging the battery.

What makes a battery and alternator over charge?

faulty voltage regulator

Which component controls the amount of current that the alternator sends to the battery?

Regulator.

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