car battery keeps dying but alternator is good

There are a few reasons that your car battery could keep dying even if your alternator is good. If you have a new alternator then the problem could be something with the battery connection.

Common Reasons Why Car Battery Keeps Dying

And the battery is one of those critical components for the proper functioning of the engine.

. If you drained the battery because the alternator was not charging you may want to have the battery charged and tested but only replaced if there is an issue with it. If you think that your car battery is dying and your alternator are good you should check your headlights and dome lights. 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.

Disconnect negative battery cable set dvom to DC MilliAmps put the negative test lead on the negative battery post and the positive test lead onto the negative battery terminal. Assuming your battery is good and your alternator is charging the battery properly the next suspect is a short somewhere that is leaking power when youre not using the car. Battery is new and alternator tested good.

It happens when your car battery drains and it can be caused by a number of different factors. Fortunately there are many ways to prevent this from happening. The charging system problem might be in the battery itself or the battery and the alternator connections where the current passes.

I charged the battery this morning went and put it in and it started right up. The engine of our vehicle like the heart of the human body is responsible for bringing it to life. The most common explanation is that you have a bad battery.

Persistent Battery Light After Battery or Alternator Replacement. This failure also triggers the Battery Light which is a bit of a misnomer as the Battery Light indicates that your charging system is not charging the battery not that the battery is suddenly bad. The connection from the alternator to the battery.

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If its providing a good output then inspect the cable carefully. To check the alternator output first make sure the fuses are good. It doesnt matter how much juice your alternator is pumping into your battery if it cant hold a charge.

Battery is new and alternator tested good. This is especially true in late-model vehicles with their more sophisticated internal diagnostic systems. With the car engine off and anything that might consume electricity turned off including the inside light.

In most cases if an alternator issue is quickly identified fixed and the battery is properly recharged the battery can be saved. Raise the car up and measure the voltage at terminal B of the alternator when the car off still 124 proving that there is continuity from the alternator to the battery and the 120 Amp fuse is still good to be sure I check the continuity between the alternator terminal B and battery positive post anyway. Anything over 25-30 milliamps is too much current draw.

Now measure the voltage at the battery. Another possibility is that there is a circuit fault such as a loose disconnected or broken wire. Close all doors turn off all lights turn key off have everything in the Off position.

It proves that the alternator was toasted. One potential reason your car battery keeps dying but alternator is good is that there may be a loose or worn alternator belt. Ad Dont Wait for a Honda Repair Appointment.

You also might have something that is drawing power after you shut off the engine. No the alternator going out has nothing to do with the quality of the battery that is in the car. I charged the battery this morning.

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A relatively common side-effect of replacing a battery andor alternator in a car is to have the voltage battery warning light come on. Car Battery Keeps Dying but Alternator is Good. 7 Days a Week.

Excessive use of the battery at start-up can also be caused by engine operating problems. Ask a Certified Mechanic Online Now. Car battery keeps dying is a common problem for many cars even when alternator are good.

Subscribe Now for Unlimited Access to Verified Professionals in Any Field. When the car battery keeps dying but the alternator is good the possible problem must be the charging system. 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.

Corrosion generates resistance which prevents the battery from receiving a complete charge. If your battery continues to die this indicates that the alternator is not charging it properly. Have Auto Mechanics Come to You.

Find the cars fuse box and remove the cover.

9 Reasons Why Your Car Battery Keeps Dying Vehiclecare Blaze