How Can I Tell If My Car Battery Is Dead. So its important to understand at least a little bit about your battery and to know the most common signs that it needs to be replaced. The statements expressed above are only for informational.
Troubleshoot a car battery without any tools. Your engine cranks but it doesn. Are the dashboard lights dim.
It might not be the entire starter though it could be a weak component known as the solenoid.
In this case the alternator is doing its job of keeping the battery going once it has been jumped but the battery cant hold a charge when the alternator is shut off. Car batteries tend to run 12 or more volts and if the battery falls below that amount you could have a dead battery. Check for these common symptoms of a dead battery. In this case the alternator is doing its job of keeping the battery going once it has been jumped but the battery cant hold a charge when the alternator is shut off.
