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This could also be alternator problems as in a bad diode in the alternator.

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โˆ™ 2010-07-01 20:16:56
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Q: Your car dies when you disconnect your battery what charging could you be having?
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Why wont your car battery hold a charge?

Could be a few things such as the battery itself could be NG, or the vehicles charging system is not working properly, or you may have draw in the electrical system discharging the battery such as the glove compartment light stuck on. Start with having the battery tested at your local auto parts store.

Why is the alternator not charging?

Probably bad but it would need to be checked off of the motor. Some cars have an external voltage regulator, that could be bad. Fuse for the alternator or a fusible link, bad connection at the battery.

What could be the problem if your 1997 BMW 328i that has a new battery won't start after sitting for two days and must be jump-started?

The problem could be a number of things. One is that the new battery you installed is faulty and you would need a new battery. i would have a professional check your battery, starting and charging components on your car and make sure they are within spec. If they are all good then I would check for a battery draw on the car. This can be an extremely difficult and expensive problem to find; Suggest having certified BMW service done at this point. Make sure you have all aftermarket electrical stuff disconnected: no aftermarket radio, buzz detectors, nothing, not even anything in your cigarette lighter.

What causes a 1997 Chrysler town and country to not start when hot?

It could be a variety of things. Start by replacing the coolant temperature sensor and then the throttle position sensor. (Remember in both cases to disconnect the battery to allow the Chrysler fuel profile computer to reset.)

What are the signs that an alternator is going bad?

One way to tell if your alternator is going bad is to start it up, preferably at night, and turn on the lights. Then turn on the the heater fan. If your lights get dimmer when you turn on the fan the alternator could be going bad. A common problem with an alternator that is insufficiently charging is having to jump start your car even after you have run it beforehand. The best way to test it is with a volt meter. You should read 13 to 14 volts across the battery while the engine is running, if you read less your alternator is insufficiently charging. Another way to test it is to take it to a parts store for a free test.

Related questions

Do you have to disconnect a battery charger from the battery or can you just unplug it?

Best to unplug it and then disconnect it from the battery. Reason being is that if you disconnect it from the battery first you will create a spark. That spark could ignite any fumes from the battery.

Why does auto battery leak after charging?

An auto battery could be leaking for a couple of reasons. The alternator could be overcharging the battery causing the leakage. Or the battery itself could have a short or other internal problem causing it to leak when charging.

Can leaving a laptop charging hurt the battery?

if u leave a laptop charging over the limit it could hurt the battery because if that happens the laptop could die

When charging battery charger surges why?

You could have a fault in the battery or even a short if so replace the battery

How do you fix charging alien battery problem in sony ericssion k510i?

replace the battery . it could be your battery is not genuine one . :)

Does more current flow into a battery than out of it?

If you are recharging a battery you will need to input more power than you could draw from the battery after charging, as the charging process is not 100% efficient. Most of this excess power will be lost as heat during charging.

If the alternator is good but the battery isn't charging in your 95 Probe SE could the main circuit relay keep the battery from charging?

No, take the battery out and bring it to an auto part store and they can test it.

Why wont your battery hold a charge?

Could be the life of the battery has expired or the charging system is faulty or the vehicle has a draw on the system killing the battery when not running. Drive the vehicle to your local auto parts store. They will test the battery and the charging system at no cost. Battery is bad or something is draining it. Most places that sell batteries can check it. With it charged, disconnect it and see if it holds a charge. If it does, something in the car is draining it. Dead cell in the battery or something is on drawing power from the battery.

1996 escort not charging?

Check the Battery and cables and if it's not that it could be the alternator.

If my 2003 Tahoe flashes Battery not Charging and I have a new battery what else could it be?

The alternator or a poor wiring connection.

Why does your battery warning light stay on despite the battery being charged normally?

Sometimes even though the voltage at charging is good the battery or alternator could be low on charge or charging low for your vehicles specs.

What is wrong when battery light comes on in 1996 Toyota Corolla?

It means the battery is not being charged or is being overcarged. Could be the drive belt loose, the battery getting old/having distorted plates. Could be the alternator not producing enough voltage/charging current, or, rarely, too much. Local tyre & battery centre can do a discharge test on the battery. A meter across the battery will show if battery charging properly. Make sure all the cable connections between the body, battery and engine are clean and secure.

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