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Will your alternator recharge your battery if you let it sit for a while?
Wiki User
∙ 12y ago
If the engine is running and the alternator is good. If the engine is not running, no.
Wiki User
∙ 12y ago
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If you constantly run your car with a dead battery will this hurt your alternator?
Yes, alternators are designed to maintain the battery, or recharge a battery that has been slightly discharged from starting the car. When the alternator is used to recharge a dead battery, it causes the alternator work harder and longer than it is designed for, causing it to overheat, thus causing damage to the alternator. A battery charger should be used instead. They are designed for charging dead batteries. After the battery is charged, let the alternator maintain the charge.
My car battery is boiling?
Disconnect it. let it cool and replace it. If you battery is boiling that is an indication the alternator is overcharging the battery. Have the alternator checked at any auto parts store.
I have a 2003 Chevy impala how do i know if i have a bad battery or bad alternator?
To test the alternator if funds are low, let the motor idle and remove the negative battery cable, if the motor dies its probably the alternator.
How do you recharge a dead auto battery?
touch the + and - sign in the rain and let a lightning bolt out of the sky hit you
The door was left open on a 2000 Chyryslar Sebring and now it wont start?
You ran the battery dead. Jump the car and let it stay running for a while so it can recharge itself
How to tell if your Alternator is good in a 1997 Buick Regal?
Strat the engine, let run for an few minutes, then while running disconnect the battery. Alternator is good if the engine continues to run. does not wok on Deisel feed enginess
How long do you run your car after a a car jump?
I assume you mean how long to charge the battery. You should never let the alternator charge a dead battery if possible. The alternator is designed to keep the battery charged but not to charge a dead battery. You put a strain on the alternator and it can cause a diode to burn out. Drive home and then put a battery charger on the battery to fully charge it.
What cause an alternator to blow?
The usual cause of a blown alternator is overload. The alternator will also blow if the battery is connected backwards, even for an instant, such as during jumping. Sometimes, overload is caused by attempting to jump start another car while revving the engine of the first car. The alternator is not designed to carry the current of a starter. Depending on the alternator, protection might be built in, but don't count on it. Rev the engine only to help charge the other battery, and then let the engine idle while starting the other.
What is the problem on a 2000 Monte Carlo if you turn the ignition it clicks and then doesn't do anything else after that until you let it sit a while or reconnect the battery?
sounds like the starter or alternator
What causes the battery light to come on in your 1998 Chevy Tahoe?
sometimes its a way to let you know that something is wrong with your automobile. take it in and have a diagnostics test ran on it and that should tell you whats causing that to happen. some places charge a fee and some places like auto zone do it for free. hope this helps In any vehicle the battery light comes on usually when the charging voltage falls below 13 volts, which usually means that the battery is not being charged. In most vehicles the alternator produces 14+ volts to run vehicle and recharge the battery. You may want to have the alternator checked and also the battery cables to make sure the alternator is putting out the right voltage and that the battery cables are not grounding out.
Should you let your computer battery run low before plugging it back in?
No. When you run a battery really low then fully recharge it, that's called deep cycling, and it takes a severe toll on battery life.
How long to run your car battery after jump charging?
It is best to drive home and put a battery charger on the battery and let it fully charge. Letting it charge with the alternator puts a strain on the alternator and should be avoided if possible. But if you have no charger then you will need to let the engine run for around 30 minutes to charge the battery enough so that it will start the next morning. It will take a couple of hours of driving to fully charge the battery.
