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It will run until the battery is too low to support the engine systems, could be 10 minutes or several hours.

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15y ago

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Does the alternator run when you have the car started and in park?

Yes, as long as the engine is running, so is the alternator. The alternator is actually what keeps the car battery charged.


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.


Will a car run if the alternator is bad?

It would only run as long as the battery had a sufficient charge.


Can a car still run if the alternator is dead?

Sorry to say,but no. The alternator is the device that replaces the power that has been used from your battery.Without the alternator, the battery will get drained and not be able to recharge.


Will a car run with a dead battery?

Once you start it, yes. Electricity is supplied to a running vehicle by the alternator.


Can you start and move a car without battery?

The battery is used when the car is running to stabilize the voltage and store energy from the alternator. It is not recommended to run the car with no battery, as this can damage the alternator and the car's electrical system.A dead battery (if you have one) can usually suffice to run the car for a short time, however it may also damage the alternator.


Why can car batteries run on low voltage?

Because the alternator will keep your car running as long as its running Type your answer here...


Can a car run without the alternator installed?

No a car cannot run without the alternator installed. All the components in a car have their specific function and any missing piece will cause the car not to run.


Can an alternator charge a car battery?

That is the purpose of an alternator. The keep the battery charged and to run all the electrics on the vehicle. However it is never a good idea to allow the alternator to charge a dead battery. This will put a strain on the alternator and may damage it.


Will car start with bad alternator?

yes but wont run for long, you will have no lights, horn, radio ect.


Why does my 2003 PT Cruiser jumpstart but dies when cable removed?

Because your alternator is bad, and the battery does not have enough power left in it to run the car. If you were to charge the battery for awhile, it will run until the battery is DEAD, then the car will die,,, No more juce left to run it that's all . OR the alternator belt is broken.


Can you eliminate alternator from car?

you need the alternator to charge the battery with no alternator when the battery drops to about 10 volts car will not run at all.