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There could be many causes for this problem. Some of them include:
- Corroded battery terminals and/or terminal clamps on the battery cables.
- A worn out or defective battery.
- "Bad" [loose, or badly CORRODED] connection connections, as at wiring harness connectors, or ground connections.
- A cut or broken wire(s) anywhere in the charging circuit.
- An alternator [or generator] belt which is adjusted to loose, allowing the slipping belt to not properly spin the alternator.
- A fault anywhere within your car electrical system that cause electricity to flow when the engine is off, and even when the key is turned off.
- A defective alternator or voltage regulator [the regulator is sometimes in the alternator, or sometimes a separate device in the engine compartment].
There are probably several other possible causes, but these are the ones that come to mind at the moment.
I suggest that you take your vehicle to one of the major auto parts supply stores to have your electrical and charging system tested. They usually have portable testing gear and can run the tests on your vehicle in their parking lot. Normally, there is no charge for this service.
If this service is not available in your area, then it can be done at any automotive mechanical/electrical repair shop, but generally they do not do it for free.
What else can I help you with?
How long does car battery stay charged if not driven?
how long do batterys work for a car?
Could bad battery terminals cause a car to not start?
Yes they could be cleaned and battery charged
Why does your battery light stay on you put a new battery in it?
That light doesn't mean that your battery needs to be replaced. It means that your battery is not being charged while the car is running. Have your alternator tested.
What does a car battery alarm indicates?
That the battery in your car is low and needs to be charged
Could one jump a car battery using a fully charged deep cycle battery?
Do you wish to jump a car with a deep-cycle battery, or do you wish to charge another battery using the deep-cycle battery?
Should you fit a car battery if the hydrometer reading is under12.2 volt?
It could just need charged.It could just need charged.
Can a battery be charged while remaining connected to the car battery cables?
Yes. A battery can be charged while in the vehicle.
After not starting your car for 3 days the battery is being drained If you unhook your battery for those 3 days will it save the battery?
If your battery is good and you know your car is draining it then yes, disconnecting your battery from your car will keep your battery charged for much longer than 3 days. Your battery should stay charged way longer than 3 days in normal conditions being hooked up to your car. You should get it checked out and figure out what is draining your battery so fast.
How do you recharge a car battery when the bonnet is closed?
the battery is not charged wethin the car , the battery is first taken out from the car and then it is charged............. You can get a charger that plugs into the cigarette lighter and back feeds to the battery. Takes a while to charge the battery that way.
How battery get charged in car?
As the alternator runs, it charges the battery.
Why when you turn on the car nothing happens no lites radio horn nothing but the battery is fully charged?
how do you know the battery is charged? also it could be a loose battery wire. they need to be properly thighten so the energy could flow. if there are no lights theres no power coming from the battery.
What can you do with a car battery that you will not be using for six months?
Make sure it is fully charged and store it in a cool, dry location if possible. It will stay fully charged for 6 months with no problem.
