signs of a bad car battery vs alternator reddit

It demonstrates that the alternator cannot keep a charge when the car is running. Under no circumstances will proclaimliberty2000 be responsible or liable in any way for any content including but not limited to any errors or.

My Miata Has Been Having Electrical Problems And I Thought It Was The Ground Still Could Be Charged The Battery Alternator Idk The Ground Looked Bad So I Tried To Redo It

Aside from a dead car battery there are other signs of a bad alternator that arent as well extreme.

. On a side note a car can run fine for a bit without an alternator depending on design. Sometimes the jump start may work but then your vehicle will stall after a couple of minutes. While having car issues can be a drag you want to stay safe while on the road.

If the alternator light which is sometimes identified as Charge doesnt come on the alternator is probably not working. While these bad smells can indicate issues with the alternator they can also. Your engine doesnt start or barely turns over both are possible signs of a dead car battery.

I suspect that you are drawing more currentpower than your alternator can. When a car doesnt start many people wonder whether the alternator or the battery is to blame. If your alternator fails completely your battery is probably going to die in about 30 minutes.

Unusual Sounds An alternator has many spinning parts that make strange sounds when one. Another simple test is to check your interior lights. The failures of a battery are sudden while failures of a failing alternator are slow.

An alternator charges your battery when the car is running. A Missing Worn or Poorly Placed Belt. It may last a little bit longer but dont expect it to get to an hour.

Check the Batterys State of Charge. You might notice that the battery cranks the engine over more slowly at times. Batteries are only supposed to give the car enough juice to start with but if the alternator is failing they will have to pick up the slack often wearing them out.

If there is any power left in the battery the warning lights on the dashboard should come on. 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. Always check your battery first it can generally tell you which of these two is the culprit.

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. And it may also die much sooner especially if your battery already had a bit of a weak charge in it. Figuring out if its a bad alternator vs bad battery can be done with the signs above.

If your headlights shine brightly but the car wont start or the lights dim when you slow down this is a definite sign of a faulty alternator. 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. If the vehicle starts up and youre able to drive it to a mechanic or auto store then your battery is bad and must be replaced.

If the jump start doesnt work and your electrical components still fail then you have a bad alternator. Signs of a Bad Alternator or Battery. Batteries start the car alternators keep the battery charged and car running.

Sign 1 - Interior Lights Fading What it looks like - Your interior lights slowly fade from being bright and get dimmer. When looking at the signs of a bad car battery vs. If its one of those things recognizing which one can be relatively simple.

So even if the battery wasnt the issue initially a broken Alternator could make itself known by killing your cars battery. Testing the Alternator and the Battery for an Answer. Another is dim lighting inside the car and the exterior lights.

If the battery light on the dash is not on it probably means the alternator is good. 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. You go to start your car but when you engage the ignition your car wont start and your stomach sinks.

If the dashboard lights are dim it most likely points to the battery. If the interior and dashboard lights come on brightly but slowly start to fade then it indicates a problem whit the alternator. That could be a sign that the alternator is not charging it well enough.

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. 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. When you turn the key the battery sends an electrical current to the starter solenoid to power up the vehicle.

Then start the car again. Turn the ignition key. Early battery failure is usually a sign of many charge and discharge cycles.

Spoiler alertwhen an engine either cranks sluggishly or doesnt crank at all the issue is. The electrical fire smell might come from bad wires in your alternator while the burning rubber might come from a cracked or worn alternators belt. Its not unheard of that a battery could die within 5 or 10 minutes of an alternator failing.

If your car wont start its often due to a malfunction of either the battery or the alternator. A bad battery can kill an alternator. Signs of a bad car battery vs alternator reddit Sunday March 13 2022 Edit.

Headlights shining bright when accelerating and dimming when coming to a stop also indicates that the alternator isnt doing an excellent job of keeping the battery adequately charged. If your car starts but stalls when youre underway your battery is probably not being recharged due to a faulty alternator. Dont rule out the possibility that both are bad though.

Dead Car Battery Learn The Signs Of A Bad Battery Autozone Any Tips On How To Diagnose An Alternator Vs Battery Issue Car Wont Start Just Some Clicking And Flashing Lights R Mechanicadvice. Some of the very common weird smells of a bad alternator or electrical fire-like smell or burning rubber-like smell. Alternator clicking sounds while you turn the key in the ignition is a sure sign of your vehicles battery issues.

Check Charging System Output. Can you Jumpstart a Car. But it would take a while.

In this case your battery is always weak because your car accessories now draw energy from the battery instead of the alternator thus draining and leaving it empty. Check to make sure your lights radio and automatic windows are turned off. If it wont charge up then the battery is bad.

So say your car starts to die while on lights dim rpms drop shit like that its pry your alt.

Car Still Dies Won T Turn Over With New Alternator And Two New Batteries Next Steps R Askmechanics

New Battery And Good Alternator But My Car Can T Hold A Charge Help R Mechanicadvice

Issues With E92 M3 Not Sure If Battery Problem Or Alternator The Car While Driving Randomly Shows The Lights In The Pic And Then The Gear Starts Making Cracking Sounds I Will Post A

Lpt Think Your Car Battery Is Dying If Your Headlights Temporarily Dim While Revving Your Engine Its Likely Your Alternator R Lifeprotips

What Does It Mean When The Battery Gauge Looks Like This R Mechanicadvice

Lpt Think Your Car Battery Is Dying If Your Headlights Temporarily Dim While Revving Your Engine Its Likely Your Alternator R Lifeprotips

2008 Honda Accord Coupe Not Starting In Cold All Electrical Seems To Be Working Though Could It Be The Starter I Don T Know Anything About Cars R Mechanicadvice

New Battery And Good Alternator But My Car Can T Hold A Charge Help R Mechanicadvice

I Heard A Loud Boom R Justrolledintotheshop

Car Won T Start Lights And Ac Seem To Come On Could It Still Be The Battery R Cartalk

I Changed My Battery And Now Everything S Dead Not Lights Or Nothing I Did Everything In The Right Order And Really Made Sure To Thighten The Clams I Have No Clue What

Big 3 Upgrade Done On My 2008 Gmc Sierra Voltage Drops A Little Too Much With The New Jp23 Amp So Hopefully This Will Help It Just A Tiny Bit Also Just To Have It Ready For The Future Mechman Alternator R Carav

Big 3 Upgrade Done On My 2008 Gmc Sierra Voltage Drops A Little Too Much With The New Jp23 Amp So Hopefully This Will Help It Just A Tiny Bit Also Just

Aftermarket Window Regulators Price Does Not Equal Cost Napa Know How Blog

Eli5 Why Is It Bad To Keep An Electronic Device Plugged In On Full Battery R Explainlikeimfive

Issues With E92 M3 Not Sure If Battery Problem Or Alternator The Car While Driving Randomly Shows The Lights In The Pic And Then The Gear Starts Making Cracking Sounds I Will Post A