Car Battery Keeps Dying But Alternator Is Good
If the alternator is not charging the battery will go dead under normal operation. The car battery keeps dying but the alternator is good.
What To Do If Your Car Battery Dies
Two minutes later it died.
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Car battery keeps dying but alternator is good. I put gas in it tried to start it up. For fear of it dying. What Causes a Car Battery to Keep Dying.
I checked the battery with multimeter and it showed 128V. We use cookies to give you the best possible experience on our website. Have the battery tested average life of a battery is 2 to 3 years.
With the car engine off and anything that might consume electricity turned off including the inside light. Another reason why a battery keeps dying even with a good alternator is when the alternator is not given the time to recharge. Sounds like you may have a shortdrain of some sort.
If battery is good. When the battery has some problems the first thing we predict might be wrong is the alternator. However even though the alternator is good the battery may keep dying.
Now measure the voltage at the battery. Frequent starting and stopping draws a lot of current but does not allow the alternator to. There could be several reasons but the most likely is that you have a leakage current.
This can be an interior light radio etc. 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 current flow. In fact i attempted.
The connection from the alternator to the battery. I charged the battery this morning went and put it in and it started right up. If its providing a good output then inspect the cable carefully.
If you dont get the correct charging voltage either your connections are bad or the alternator. The bad alternator diode can cause the circuit to charge even when the engine is shut off and you end up in the morning with a car that won t start. In our case the battery keeps dying but the alternator is good.
You also might have something that is drawing power after you shut off the engine. Now let s look at the troubleshooting process charging system failure symptoms. Make sure the battery has a good clean ground.
Simply put if you can drive the car for a while more than a 10 minutes and the battery is completely charged when done then the alternator is working fine. I recently put in a new battery in my 2018 camry a month ago. Im thinking maybe some wires.
Car battery keeps dying but alternator is good. If your alternator has a bad diode it will cause your battery to drain. Car battery keeps dying but alternator is good reddit.
If the alternator is in bad shape its common for the battery to dye more often due to undercharging. Why is my car battery dying when its new and so is the alternator. And takes a minute to crank over.
I didnt think anything of it at the time. 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. There are a few reasons that your car battery could keep dying even if your alternator is good.
It - Answered by a verified Chevy Mechanic. The most common explanation is that you have a bad battery. It doesnt matter if the cable is for the positive or negative terminal.
Theres no corrosion on my battery. Battery is getting a charge too. If everything is OK there.
Why does my battery keep dying with a new alternator. Charge the battery up and if its still reacting get to a local autozone as they will wheel put a cart to your car and check your battery and alternator for free. Battery is new and alternator tested good.
I tried to restart it and nothing. Some of these problems are enough to kill a battery on their own while others are. Test the alternator with the engine running using a voltmeter across the battery.
You should read 135 to 147 volts. Make sure the alternator is grounded to the engine and the engine ground strap is intact and has clean grounds on both the engine and frame. In a car an alternator provides power to the various car components and side-by-side charges the car battery when the engine is running.
It doesnt matter how much juice your alternator is pumping into your battery if it cant hold a charge. 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 didnt charge while i was driving. First check to see of your battery terminals are corroded.
This means the alternator is supplying enough power to charge the battery. Repeat this process for all fuses and relays and youll eventually find which one is draining your battery. I have a new battery and alternator and starter is good my car keeps going dead Im trying to figure out the problem.
Battery good Alternator good car still dies Battery good Alternator good car still dies. However one night I decided to nut-up and take it down to the gas station to fill it up. Alternator is good battery keeps dying.
Check for anything energized while the car is off. Some of the most common reasons for a car battery to die repeatedly include loose or corroded battery connections persistent electrical drains charging problems constantly demanding more power than the alternator can provide and even extreme weather. In hindsight each time I started the engine it seemed to crank a little bit slower than before.
No cranking no dashlights. Like new batteries the key to making it last is to recharge it regularly. Most likely one or the other.
To check the alternator output first make sure the fuses are good. If so unhook them and clean them with a wire brush until they look brand new. With the engine running you should get around 145 volts.
In this article we discuss the same issue why it happens and how to correct that problem. A fault here can be detected by checking the output of the alternator. 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.
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