signs of a bad car battery vs alternator reddit

If your car wont start its often due to a malfunction of either the battery or the alternator. However its not uncommon for the issue to stem from a bad car battery.

Symptoms Of A Bad Or Failing Battery Yourmechanic Advice

You might notice that the battery cranks the engine over more slowly at times.

. The failures of a battery are sudden while failures of a failing alternator are slow. Im guessing the bad battery may have damaged the alternator. Another is dim lighting inside the car and the exterior lights.

Your engine doesnt start or barely turns over both are possible signs of a dead car battery. Signs of a Bad Alternator Some of the things to look for are no-starting and trouble starting dimming lights and problems with stereo system output. Bad battery how do you know what makes your car not start.

Even a new car battery would die within minutes if it was the only source of. Can you Jumpstart a Car. That light is supposed to come on either when the alternator is not charging the battery enough or when its charging the battery at too high a voltage So I jump started it again and then I blasted the AC radio and headlights for about 5 minutes.

It will not turn over even when you turn the key in the ignition multiple times. If you drove a car with a bad alternator youd notice the radio shut off then the dash lights would wane and lastly youd lose the power needed to fire spark and the car would die. If you drove a car with a bad alternator youd notice the radio shut off then the dash lights would wane and lastly youd lose the power needed to fire spark and the car would die.

Always check your battery first it can generally tell you which of these two is the culprit. It is however struggling to get started not as bad sounding as trying to start it with the bad battery but it was a kind of sputterstruggle. If your battery is dead you will hear that clicking noise when you try to start your car.

Check Engine Dashboard Light On. Batteries start the car alternators keep the battery charged and car running. To start and run a car engine you turn the ignition for the battery to deliver an electric jolt to the starter.

Dont rule out the possibility that both are bad though. Your stomach sinks as you put in your key only to have your car not turn on. One of the more obvious signs of a bad alternator is a dead battery.

Its not unheard of that a battery could die within 5 or 10 minutes of an alternator failing. Aside from a dead car battery there are other signs of a bad alternator that arent as well extreme. Signs of a Bad Alternator or Battery.

I did this 3x back to back to back. But it would take a while. A bad car reddit signs of a bad car battery vs alternator reddit Butttt your batt is old so it might not hold a charge so well and if your in very cold climate it wont help either part.

So the message on the dash could just mean a bad battery. Alternator clicking sounds while you turn the key in the ignition is a sure sign of your vehicles battery issues. That could be a sign that the alternator is not charging it well enough.

The Check Engine light is a catch-all warning telling you something is wrong not necessarily something related to your battery. If its one of those two placing the blame can be relatively simple. While having car issues can be a drag you want to stay safe while on the road.

Because the battery can be considered part of the charging system. Figuring out if its a bad alternator vs bad battery can be done with the signs above. If the alternator was not charging it is not likely that the car would stay running with a dead battery.

But if youre still unsure about reading the signs of a bad alternator or dead battery it doesnt hurt to get your car looked at by a professional who can help. If it does charge your car should drive for a day or so around town just on the battery then give you more trouble indicating a bad alternator. If it wont charge up then the battery is bad.

While the effects of a bad battery and a bad alternator could be similar in some vehicles there are certain signs that you can track to ensure and confirm its coming from the alternator including. Signs of a Bad Car Battery vs. A bad battery can kill an alternator.

However between a bad alternator vs. If the car wont start but will start with a jump and then keep running then it more than likely is the battery. But if the alternator dies completely the battery will die soon afterward because it is not powerful enough to supply electricity to all these components on its own.

What are the symptoms of a bad alternator. If the battery light on the dash is not on it probably means the alternator is good. The first step is to pay attention to the symptoms your car is exhibiting.

Then start the car again. It may last a little bit longer but dont expect it to get to an hour. If the alternator is not functioning properly your battery will eventually run out of.

On a side note a car can run fine for a bit without an alternator depending on design. Sign 1 - Interior Lights Fading What it looks like - Your interior lights slowly fade from being bright and get dimmer. To diagnose your problem you should understand the functions and operations of both parts in a car.

If the dashboard lights are dim it most likely points to the battery. The car will start after 2-4 seconds of engaging the key. The battery does serve as a power reserve for these components in case the alternator is failing.

Because the battery and the alternator are both part of your cars charging system figuring out which one is causing problems can be tricky. Check to make sure your lights radio and automatic windows are turned off. If your car starts but stalls when youre underway your battery is probably not being recharged due to a faulty alternator.

So say your car starts to die while on lights dim rpms drop shit like that its pry your alt. Butttt your batt is old so it might not hold a charge so well and if your in very cold climate it wont help either part. When looking at the signs of a bad car battery vs.

And it may also die much sooner especially if your battery already had a bit of a weak charge in it. Here are the 10 most common symptoms of a dying vehicle battery. If your alternator fails completely your battery is probably going to die in about 30 minutes.

Or could these issues have damaged the starter. When you turn the key the battery sends an electrical current to the starter solenoid to power up the vehicle. The car battery warning is not just enough to give a correct diagnosis of.

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