How Do You Tell If A Car Battery Is Bad. A dead or low battery can be caused by a failing alternator. If youre wondering how do I know if my cars battery is defective Check for one of the following symptoms of a bad car battery.
Signs of a bad alternator. Now we understand the main role of the vehicles battery and it is important to keep an eye on signs of a bad car battery. Put on your safety glasses.
Car battery is the main part that provides the power supply for the electrical equipment in the car.
Like most vehicle parts your cars battery will tell you if it will get damaged before it even does. Up to 4 cash back Its easy to tell when your car is having problems but figuring out the cause of those problems can get confusing. FYI a bad alternator can actually damage a new battery but more on that later. Often youll see the red battery icon light stay on but you may also see a Check Engine or ALT indicator.
