car battery keeps dying but alternator is good
The best quickest check I can tell you is to put a volt meter across the battery. On most cars trucks and SUVs sold in the US the battery is used to engage the starter and power accessory components while the engine is not currently running.
Is good but battery keeps draining Posted by lucasoneg on Feb 20 2011 Want Answer 0.
. In this case you need to clean off the terminal and try again with a new battery. Even a new battery or good battery can keep dying with a good working alternator. A battery might be dying for a variety.
By using a contemporary maintenance battery charger you will also have the option to. Also it could be a result of a problem in the electrical system. A loose or corroded battery.
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Alternator is good but battery keeps dying have to. The first problem is that the battery is bad and the second problem is that the temperature sensor in your thermostat housing could also be bad. If the battery keeps dying its likely that it isnt getting charged by the alternator.
Excessive use of the battery at start-up can also be caused by engine operating problems. Batteries are constantly being discharged and partially charged which causes their storage capacity to decrease over time. A loose or corroded connection creates resistance keeping the battery from getting a full charge.
List possible reasons why the battery might be dying. I thought the alternator was going bad took it to autozone and it passed their test. 8 The next step is checking the alternator.
Car Battery Keeps Dying Symptoms 1. My battery keeps dying but my alternator is fine. The battery should be removed from the vehicle and fully recharged if necessary.
This is known as a parasitic drain and happens. Up to 8 cash back Hi there. This means that the car cant charge your battery so it will eventually die out.
An alternator is not always to blame for a dead car battery. One potential reason your car battery keeps dying but alternator is good is that there may be a loose or worn alternator belt. Then it started happening in the evenings too.
When your car battery keeps dying but the alternator is good then you may have two problems going on at the same time. The battery isnt compatible. There are some more reasons.
If your car battery is dying there are a few things that could be causing it. Batteries have a limited lifespan depending on how much time they spent low on charge. If the alternator is in good working condition then the problem could be with one of the connections instead.
Batteries are manufactured and. All the reasons that result in a cars battery running flat as outlined above are common causes of battery drainage. If you want to keep your car battery in good condition then it is important to use a car battery discharge solution.
I thought maybe it was a drain on the battery so I started disconnecting the negative battery terminal. If your car battery is dying but the alternator is good there may be something wrong with the wiring. Due to this fact if any accessory is left on it might continue to draw power from the battery causing it to loose power.
A car battery kept above 85 charge its entire life and never discharged as in never or rarely starting the engine could last well over 10 years. Connect the positive cable and the positive post to a test light. Another possibility is that there is a circuit fault such as a loose disconnected or broken wire.
You can get them almost anywhere that sell batteries. Alternately you can disconnect the fully charged battery during the week and see if it holds its charge. It doesnt matter how much juice your alternator is pumping into your battery if it cant hold a charge.
If it is dead by the time you try to use it a week later the battery is not actually good. Some of the causes include the following. I charged the battery this morning went and put it in and it started right up.
How to Test Alternator by Disconnecting Battery. First DONT check your alternator that way anymore. A car battery is an important part of a car.
Make sure that you know how to fix the multimeter. Battery is new and alternator tested good. It provides the power to start the engine.
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. Running with accessories off you should see voltage of about 135 to 145. Another check for your alternator is to use a voltage meter and measure the battery voltage while the car is running.
My truck started having trouble starting when I would get in it in the morning. Corroded or Loose Battery Connections. Here are 7 things that can drain your car battery.
I charged the battery this morning. The indicator of this situation is if you think you have corrosion because youre noticing a burning smell when turning your car on. The most common explanation is that you have a bad battery.
Answer 1 of 5. 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. You also might have something that is drawing power after you shut off the engine.
However lets focus on what could be wrong if a cars battery keeps dying even when the alternator is good and working well. A trough in the battery is noticed when the test light lights up. Battery is new and alternator tested good.
If it stays charged then it is good and you need to go back the. A car battery powers up your cars electric components like dash lights headlights interior lights radio etc. 7 Use a multimeter for hunting for the device causing the drain.
There are a few reasons that your car battery could keep dying even if your alternator is good. Its not good to do on newer systems.
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