![]() The battery terminal ends are channels through which electricity flows, hence it is crucial to try and double-up the resistance by simply coating them with other materials that are typically bad conductors. But if it belt has broken down, it needs to be replaced. Usually, if the belt has been misaligned or loosened, the mechanic can fix it within an hour. Solution: To get the alternator belt properly inspected, it is best advised to call your local mechanic since it can be rather tricky to figure out the issue all by yourself. If a faulty alternator belt is what is causing the issue and triggering the battery light to turn on, then you might be hearing squealing sounds originating from under the hood whenever the car is running. ![]() These belts can get misaligned, become too loose, or too tight as well. These belts usually break down with time and usage, just like any other component. Reason #3 – Faulty alternator beltĪn alternator belt is vital as it forms the smooth connection between the engine, alternator, and accessories to each other. Solution: Check voltage by connecting the multimeter to the battery’s ends, if the voltage is between 13.5V to 14.5V, your alternator is most likely not the component causing the battery light to turn on.īut if you see a voltage lower than 12V, you need to consult your local mechanic at the earliest. In case this unit is not functioning properly, it can be the cause too. This is an indication to pause and check the problem.Ī voltage regulator is a vital unit that manages and regulates the voltage output to a safe threshold of 14.5 volts. In case the voltage falls below 12V, the ECU will proceed to trigger the battery to turn on. ![]() You should ideally see a voltage ranging between 13.6V to 14.6V. It is comparatively easier to inspect the functioning of the alternator unit with the help of a multimeter. They will suggest the appropriate one according to your car’s make and model. Solution: You would need to consult your local mechanic and ask him to check out if the plates or cells have broken down, and if they have, ask them to assist you with replacing it with a new battery. In case this happens, it is time for a replacement. With time and use, the plates, as well as the entire cells, can begin breaking apart and electrolyte formulas can leak out. The conventional batteries have a lead plate and a lead dioxide plate placed in a sulfuric acid electrolyte formula within each cell. Even if some manufacturers speak and boast about a better lifespan, it is crucial to remember that most batteries, if not all, do not last for such a long duration. 6 Main Reasons For Your Battery Warning Light Comes On Intermittently Reason #1 – Poor batteryĪ typical 12-volt battery can have a lifespan ranging between three to five years. The battery light that is situated on your dashboard points towards a charging issue with your car battery, and if the light turns on and stays on, it is a serious indication to inspect the cause. You might notice other symptoms of a weak battery, such as a stereo that won’t turn on and power windows that come up quite slowly. If the light persists and stays on even while you’re driving, then it’s time to pay attention. ![]() If your car battery light turns on when you start the car, there is nothing to be worried about! It is typical and normal for the battery light to come on when you turn on your car, and it usually dims out within a few seconds.
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