Car Battery Keeps Dying But Alternator Is Good Reddit

I replaced them all brand new and my battery still keeps dying on me. My car keeps dying when im driving and when i try to jump it sometimes it wont do anything at all and then a few days later starts right up.

Battery-basics Aaa Automotive

Repeat this process for all fuses and relays, and you'll eventually find which one is draining your battery.

Car battery keeps dying but alternator is good reddit. Now all of the sudden my battery seems drained every time i get in, it acts like its going to die but hasnt died on me for 4 months, for 4 months it just pretends like its dead. I charged the battery this morning,. If the battery keeps dying, it’s likely that it isn’t getting charged by the alternator.

But at least then you can rule out the alternator. When i charged my battery at autozone and my car goes good for about a day or two, but then it keeps getting drained the next day when i turn my car on. My battery keeps dying but my alternator is fine.

If you’ve checked the alternator belt and it looks good, then your battery terminals may be corroded. If voltage drops under load, that's usually a sign of a dying alternator. The charging system problem might be in the battery itself or the battery and the alternator connections where the current passes.

Additionally, a bad or undercharged battery is another major problem due to a bad alternator. I would start by checking the 100a alternator fuse, then testing the power. To check the alternator output, first, make sure the fuses are good.

I tried to restart it and nothing. I had starter problems then my alternator went out. In summary, a faulty alternator can drain your vehicles ‘battery.

The wire running from the alternator to the battery could be faulty, so even though the alternator is working, the power is not getting to the battery. If the alternator is good then you start diagnosing a parasitic draw Get a multimeter that can measure amps, and with everything turned off in the car, disconnect one off the battery terminals, then use the multimeter in current measuring mode to reconnect the circuit and look for a.

To test whether an alternator is draining the battery, with the car’s engine switched off disconnect the car’s electrical system leaving the battery only. Make sure when you do this you do not open any doors or trigger things that would make dome lights and such things turn on (which. But in some cases, even though the alternator is good, the battery may keep dying.

Battery and alternator test fine. 2000 ford explorer eddie bauer. I charged the battery this morning, went and put it in and it started right up.

You can get them almost anywhere that sell batteries. There could be several reasons but the most likely is that you have a “leakage” current. Posted on feb 25, 2009.

No issues with the vehicle and this issue has seemed to come out of no where. My battery is brand new and is fine, my connections are not corroded, and i checked my alternator by jump starting it and disconnecting the negative terminal on the battery and the car kept running. Most common is a bad diode causing battery to drain.

Probably a dud alternator or it is hooked up wrong and not charging the battery. The connection from the alternator to the battery. Using a multimeter set to measure current (amps), should you have current flow between the battery and alternator (with.

And takes a minute to crank over. If the alternator is in good working condition, then the problem could be with one of the connections instead. Now measure the voltage at the battery.

A fault here can be detected by checking the output of the alternator. The only issue that im thinking may be the reason is that the back hatch sometimes will now latch on the passenger side. It doesn’t matter how much juice your alternator is pumping into your battery if it can’t hold a charge.

If your alternator has a bad diode, your battery can drain. Common reasons why car battery keeps dying. If it dies going down the road it's a charging system (alternator) failure.

When the car battery keeps dying, but the alternator is good, the possible problem must be the charging system. If your battery is constantly dying you have either a draw issue or a bad alternator. If the alternator is in good shape, your car will run as it should, however, if the alternator is in a bad picture, you’ll incur various issues while driving.

There are a few reasons that your car battery could keep dying even if your alternator is good. Battery is new and alternator tested good. Battery is new and alternator tested good.

You can have the alternator tested if you can remove it or you can bring it in to a dealership and have them test it. Why is my car battery dying when it’s new and so is the alternator? What i usually suggest is try replacing the voltage regulator first, because it's dead cheap and can be done without removing the alternator.

When connected to the battery it constantly measures the amount of charge in the battery and when needed charges the battery until fully charged again. If it’s providing a good output, then inspect the cable carefully. Another check for your alternator is to use a voltage meter and measure the battery voltage while the car is running.

My car keeps dying when im driving and when i try to jump it sometimes it wont do anything at all and then a few days later starts right up. Even if i just drove it across town and got out for 5 minutes and get back in it still takes a second as if the battery didn't charge while i was driving. I can jump my car and leave it running for about an hour and then when i go to start it the next day.

The problems can cause a total death of the car battery or lack of power in the car. Its definitly something taking power ,have you install something new lately,car stereo,amp,if not could be just car trunk light,under hood light,stays on.things to check. If the belt is broken, you’ll need to have the old one replaced with a good alternator belt to bring back power to your car.

The most common explanation is that you have a bad battery. General rule is if it doesn't initially crank it's a battery issue. A loose or corroded connection creates resistance, keeping the battery from getting a.

An expert that has over 500 points. Two minutes later it died.

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