Alternators
Car Batteries

You put a new battery in the car got the alternator checked at AutoZone and they said it was fully charged what else could be the problem because the car will not turn on and everything is dead?

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2005-09-12 20:26:25
2005-09-12 20:26:25

Check the battery cables for corrosion. That can often be a problem. Also check the fusable link that often goes from either the battery terminal to the inside of the car or from the starter HOT lead to the inside of the car. It depends on the type of car.

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Are you sure the battery was dead? Have you checked it? You can check your battery and your alternator at AutoZone or Checker also I believe. If your battery is dead and you replace it, if the light is still on, it is the alternator. Take it off and check it, and if it is, replace it. I had to do the same thing. Make sure you return the old alternator to get some money back for the core. Also, make sure you connect all the cables on the alternator, because if you forget to connect the tiny cable (not the red one that charges the battery, but the other one that controls everything from the alternator) the battery won't be charged. Make sure you check everything first, hope this helps and good luck, it sounds worse then it is.

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Battery will be flat because spark plugs were running straight off your battery because the alternator was not charging your battery as you were driving. You can test this by jump starting your car with another car and after your car is running you should be able to disconnect your battery and car should still run off the alternator. If your car stops than your alternator is RS. Battery will be flat because spark plugs were running straight off your battery because the alternator was not charging your battery as you were driving. You can test this by jump starting your car with another car and after your car is running you should be able to disconnect your battery and car should still run off the alternator. If your car stops than your alternator is RS.

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no, it would make everything in the car dim because of no charge going to the battery

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either the alternator is dischargeing the battery or it is going flat just because its not getting re charged

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I would take it to either the dealer or a shucks/autozone asap to have the battery/alternator checked. You could have a open wire, or an alternator problem. Once the battery gets really low you will not be able to turn off the security system and you will have to have it towed to the dealer to have a new battery and the system reprogrammed. You will not be able to jump start the jeep because the security system will not disengage if the battery is dead FYI, I tried that it didnt work.

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because the battery is the source of the power for the headlights. there could be an issue with the battery or the alternator can be failing.

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Yes, because a bad coil will not allow the engine to run. But if the engine is running then the coil has nothing to do with the alternator charging the battery.

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Take the battery to a parts store so they can test it.... Actually you need to test both the battery and the alternator because if your alternator is not functioning correctly it can drain the battery of power... so just testing the battery may only tell you that you have a drained battery and not reveal the cause... This testing can be done using an Auto meter which tests the battery and also does an alternator load test...If you do not have a tester you can rent one from an auto parts store,or you can remove the alternator and take it to the auto parts store and have it bench tested along with the battery...usually for free...

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It probably means your battery is low because your alternator is bad. Just a guess.

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No, because you need a battery to run your car. Doing so can ruin the alternator.

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Check your alternator, that would be the main problem i think because the alternator charges your battery when in use, and with a bad alternator, means that your car is runnin soley off the battery and does not recharge the battery. Look into getting a new alternator. try testing the alternator at a local auto parts store, another test you could do is start the vehicle , and while it is running take off the battery cables, if motor turns off immediatly then your answer is that you have a bad alternator

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because you have an open electrical line somewhere behind your radio.

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if your alternator is gone or going your car will start and then eventually just stop running because your battery has gone dead. it typically will not make any sound when your engine is not running because of a dead battery.

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Remove it and hook it up to a battery charger. If you don't have a battery charger, you can take it to Autozone and they will charge it for free. Just be careful handling the battery because battery acid can cause serious injuries and damage to property.

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If the starter motor is not turning the engine over correctly, this might be because the vehicle battery is flat. If the battery is not charged, this may be because the alternator is not charging correctly. The recommendation here is to pop along to a local garage or autelectrician asking them to check the charge of the battery, the alternator output, and the starter motor operation if necessary.

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Bearing failure. Have the alternator tested. describe the whine - is it proportional to the speed? It oculd be because of the load and the charging - how is your battery condition? Did it do this before? Bearing failure. Have the alternator tested. describe the whine - is it proportional to the speed? It oculd be because of the load and the charging - how is your battery condition? Did it do this before?

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If you are driving in the daytime, your car will loose power and then turn off. If you try to start it, it will not even crank. That's because once the alternator broke down, the engine was now using the power of the battery to run. And since the battery is not getting charged by the alternator, then the battery runs out of power and everything electrical in the car shuts down. If you are driving at night, your head lights will dim a lot and then your car shuts down. Try to start it and it won't even crank.

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Because the on-board electronics don't think that the battery is getting charged properly. Normally this means the alternator is defective.

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Suspect low battery reserve (almost dead), alternator may not be recharging battery either due to low battery level insuffucient to energize alternator field windings or alternator/wire fault probable causing low battery in first place. Battery volt meter drops because alternator not recharging, Flasher speeds up when load drops through flasher, engine stalls because insufficent reserve on battery to run engine electronics. If battery ok to start motor: then suspect fault/connection in power wire to engine bay electronics or alternator. initial starting point from my diagnostic point of view

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something is wrong with the alternator, either it isn't working or it is not hooked up to the positive terminal on the battery. check your wires first before you assume you have a bad alternator, if it is hook up right and the wiers look fine then check to make sure the belt is not slipping on the alternator pully, if not then your going to need a new alternator and battery charge. because if your alternator is not working your car is getting all its power from the battery

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Because u are pullin powert from the battery which makes the alternator kick on to keep the battery charged.....

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It could either be because your alterneator is going bad, or that your alternator belt is loose. Theres an component in the alternator that sends a signal to the dashboard for the battery status. Most often on reconditioned alternators, this component goes bad but it does not affect the overall performance of the alternator

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Most cases the battery light comes on because the alternator isn't charging. The alternator may need replaced as well as the battery. It may be something more simple as a poor connection.


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