How Do I Know If Its Alternator Or Battery. Start the car and then disconect the battery if the car runs its the battery if not its the alternator. A fresh battery and a malfunctioning alternator however will quickly leave you stranded again.
If the voltage is significantly lower than that then there could be an issue with the alternator but there could also be an. If your battery is good and your alternator isnt working the battery will still lose its charge because the alternator isnt keeping it charged. It could still be the alternator if the car runs since it might be able to run enough to power the car but not charge the battery in this case it will need to.
Start the car and then disconect the battery if the car runs its the battery if not its the alternator.
But dont worry in this article weve got some tips on how to check your alternator and battery in order to self-diagnose the problem. The battery just turns the starter motor after the car is acutaly started the alternator provides all the power the car uses. Charge the battery with a mains. Try to start the engine and listen carefully if it produces a.
