How To Tell If It Is The Battery Or Alternator

However your alternator charges your battery while your battery supplies power to your car.

How to tell if it is the battery or alternator. You can check out a few things yourself before you get in touch with a mechanic. The alternator and battery have a mutually dependent relationship. Signs of a bad battery vs.

Heres how to know. Not to be outdone the battery provides an electrical current to your car when it is off and when youre ready to start the engine the battery provides. One of the main functions of the altnerator is to recharge your car battery.

No alternator can bring a weak or dead battery back to life. Spoiler alertwhen an engine either cranks sluggishly or doesnt crank at all the issue is. 5 hours ago Dead or weak battery.

The failures of a battery are sudden while failures of a failing alternator are slow. It can be hard to determine if youre dealing with a battery or an alternator problem. When a car doesnt start many people wonder whether the alternator or the battery is to blame.

If you check hours or days after the fact then you wont be able to smell anything anymore. If the interior and dashboard lights come on brightly but slowly start to fade then it indicates a problem whit the alternator. An alternator charges your battery when the car is running.

Check the Batterys State of Charge. There are certain bad alternator symptoms to look for find out how to tell if your alternator is bad. If your alternator coil battery or starter is bad the car probably wont start and it definitely wont be drivable.