car battery keeps dying but alternator is good

It doesnt matter how much juice your alternator is pumping into your battery if it cant hold a charge. Check the tire pressure.

Car Battery Keeps Dying But Alternator Is Good Replicarclub Com

Could be the alternator or a bad connection or wire.

. The most common explanation is that you have a bad battery. Most likely one or the other. What Causes a Car Battery to Keep Dying.

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. This is a good way to fry electrical components in your vehicle as well as your alternator. Battery keeps dying no headlights.

Car battery keeps dying but alternator is good reddit. Also it could be a result of a problem in the electrical system. When the car battery keeps dying but the alternator is good the possible problem must be the charging system.

Sometimes the connectors get corroded or the wire separates inside the insulation. 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. Should read about 14 volts.

Assuming your battery is good and your alternator is charging the battery properly the next suspect is a short somewhere that is. Touch the other lead to the negative battery post completing the circuit within the multimeter which will display the amp draw. Ad Car electrical issues are complex.

Parasitic drain above safe threshold. Some of these problems are enough to kill a battery on their own while. Pull one fuse out and gently put one end of the fuse back in the clip lightly touch the other end on.

And the battery is one of those critical components for the proper functioning of the engine. Its no wonder your battery keeps draining. However even though the alternator is good the battery may keep dying.

If youve checked the alternator belt and it looks good then your battery terminals may be corroded. The engine of our vehicle like the heart of the human body is responsible for bringing it to life. Whats going on is that the terminals are.

First check to see of your battery terminals are corroded. If the car battery keeps dying but your alternator is good you might be facing charging issues or trouble with a parasitic drain. This could mean that you need a new alternator or that the belt that drives your alternator needs to be replaced.

Battery is new and alternator tested good. Common Reasons Why Car Battery Keeps Dying. This can be done by removing the cover and looking for dust debris or other foreign objects that may be clogging up the filter.

There are a few reasons that your car battery could keep dying even if your alternator is good. A fault here can be detected by checking the output of the alternator. Another check for your alternator is to use a voltage meter and measure the battery voltage while the car is running.

Nobody looks forward to dealing with a dead car battery but its even worse if you swap out the dead battery for a new one only to have the same problem. Choose experience avoid letdowns. This means that theres a higher chance that you need to replace your alternator instead of just your battery.

You also might have something that is drawing power after you. You could disconnect the battery to check the running of older cars which used generators. Yes its a bit strange considering the alternator is in good shape.

If so unhook them and clean them with a wire brush until they look brand new. 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. Ive tried jumping it charging the battery getting a new fresh battery a new alternator and ive taken it to an auto electrical specialist who say they cannot find any fault or drain at all.

I charged the battery this morning went and put it in and it started right up. Yet if you ever confront this situation multiple reasons are contributing towards the same. The charge in your battery does not last long without the alternator there to keep it running properly.

Battery is new and alternator tested good. Check to make sure the power lead from the alternator to the battery has a good connection. Car Battery Keeps Dying but Alternator is Good.

We help you diagnose your car battery troubles. Either you have too much accessories andor electronic or electrical peripherals. A good alternator and can last well over a decade sometimes as long as 15 to 20 years.

Touch a lead to the negative battery cable terminal. This will display as 005 amps. If corrosion is not to blame then your car battery may have reached.

Power draw should be under 50 milliamps. The charging system problem might be in the battery itself or the battery and the alternator connections where the current passes. Answer 1 of 5.

Then it started happening in the evenings too. A good indicator that you have an alternator problem is if your headlights dont come on when they are supposed to. Car Battery Keeps Dying But Alternator Is Good Reddit.

Disconnect the negative battery cable. My truck started having trouble starting when I would get in it in the morning. I charged the battery this morning.

This problem can be so frustrating especially when you are ignorant of the causes and how to rectify the faults. The Battery has Reached its Life Span. I thought maybe it was a drain on the battery so I started disconnecting the negative battery terminal.

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. When your car battery keeps dying but the alternator is good then you may have two problems going on at the same time. However if an alternator does fail on you then youll know it fairly quickly as your electrical systems will fail soon afterwards.

One of the common faults that most car owners face is when the car battery keeps dying but alternator is good. 12 or less means no current is flowing into the battery. They havent used generators since the.

If its providing a good output then inspect the cable carefully. If the car battery is dying but the alternator is good it may be time to check the air filter. If necessary a new air filter can be installed.

You can get them almost anywhere that sell batteries. 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. To check the alternator output first make sure the fuses are.

If the alternator is in bad shape its common for the battery to dye more often due to undercharging. I thought the alternator was going bad took it to autozone and it passed their test. Batteries have a limited lifespan depending on how much time they spent low on charge.

A simple fault with any of those components can alter the pleasure derived from the vehicle. If the added measure of all of these drains is above the charging capabilities of the alternator your battery begins to drain itself. Same guys same Specialized Focus since 1979.

Your friend was not being so helpful when they said your car was old enough it would be okay to disconnect the battery. Corrosion on the car battery terminals is also a cause of your battery dying. But if any of the components that make up the engine fail the engine will fall like a dry pine tree just as it did in the beginning.

All you need to do is clean off any corrosion on the metal parts of both positive and negative - posts with a wire brush or sandpaper until they are shiny again. You can check the wire for continuity with an Ohm metermake sure to disconnect the wire at both ends when you use the Ohm meter. A car battery will keep dying in short order primarily due to excessive and irreversible lead sulfation which has built up over time as a battery spends time in a state of partial or full discharge.

The connection from the alternator to the battery.

How Long Will A Car Battery Last Without An Alternator Updated 2022