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How long can you drive a car with a fully charged battery but the alternator might be bad?
Wiki User
∙ 13y ago
That will depend on the capacity of the battery and the amount of electrical loads. could be 15 minutes or a couple of hours.
Wiki User
∙ 13y ago
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What is the duty of an alternator in a car?
It is there to keep the battery fully charged.
Will a van start if you need a new alternator?
As long as the battery is fully charged it will start no matter the condition of the alternator. Eventually the battery will run down if the alternator is not keeping it charged.
How do you tell if it's the alternator or the starter that is bad?
Test the battery with a digital voltmeter. You should get a reading of 12.6 V if the battery is fully charged. If the battery is fully charged then you know the alternator is functioning properly and your problem is more than likely a defective starter.
Can my car start with a recharged battery if my alternator is bad?
Yes, the battery starts the engine, and as long as the battery is fully charged the engine will start. The battery will loose it's charge if the alternator is defective and not replenishing the charge of the battery but the alternator has nothing to do with starting the engine.
When an alternator is bad what happens to your car?
The battery will run down and he engine will stop. You will not be able to start the engine. The alternator keeps the battery fully charged.
Will a car start if the alternator is going out?
It will start if there is enough charge in the battery to turn the engine over. However if the alternator is weak then the battery will not be charged fully.
How long does it take to recharge battery with alternator?
Depends on how low the battery is but give it 10-15 minutes and it will be fully charged, assuming the alternator is working properly.
How do you run car to charge up new battery?
New batteries almost always come fully charged. If it was not then charge it with a battery charger and do not use your vehicle alternator to charge a dead battery. You may do harm to the alternator which is not built to charge a dead battery but is instead built to keep a good battery fully 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.
88 caddilac deville alternator only givein you 13.3 with the battery help please not gettin all power?
Be sure the battery is fully charged before you start. A fully charged battery should read 12.68 Volts. If the battery is very low when you check the alternator output it will not give you an accurate reading.
What the heck does an alternator do in a car?
The alternator provides DC power for all the electronics and the engine. It also keeps the battery fully charged.
Will battery recharge after bad alernator is replaced?
An alternator is designed to keep a fully charged battery at peak level. It is not designed to charge a dead battery. Installing a new alternator on a car with a dead battery can in some cases ruin the new alternator. Fully charge the dead battery before starting the engine.
