![]() ![]() The average car battery life is 3 to 5 years, but driving habits and local environmental conditions can impact this estimate. But the most obvious sign is an illuminated car battery light on your dashboard. Many signs may indicate your car battery is failing, like dim lights, slow crank, engine backfiring, and clicking sounds when you turn the key. Ensure the cables are not broken and have a good connection with the clamps attached to the terminals. In addition, damaged cables or clamps that wrap around the terminals can adversely affect the electrical flow to and from the battery. Loose or Damaged Battery CablesĬables connecting to your battery's terminals must be adequately tightened (not loose or too tight). ![]() If you suspect your battery is leaking, take your vehicle to your nearest Tires Plus, and our technicians can safely clean or replace your battery if needed. Corrosion is harmful to your health, and so are the gasses from lead-acid batteries. However, be extra careful not to get corrosive materials on your skin or eyes. ![]() But if you notice excessive corrosion, there may be an issue with the battery or the alternator's voltage regulator - especially if the corrosion is concentrated at the positive terminal.Ĭommercial cleaners or a battery terminal cleaning tool can remove battery corrosion. Some battery corrosion is normal, especially if the battery is several years old. In extreme cases, the corrosion buildup may even prevent engine start-up. Corroded Battery TerminalsĬorrosion buildup can impede electrical flow and conductivity, resulting in an undercharged battery and reduced voltage output for the vehicle's electrical devices. Let's examine the most common culprits behind a battery light flashing on and off before discussing why this light comes on at different driving intervals. Some issues that can cause the battery light to flash intermittently may be easier to resolve than others. Why Is Your Car Battery Light Blinking On and Off In effect, you will likely see an illuminated car battery light on the dashboard. If these critical elements fail or their connections are compromised, the charging system will not function properly. But, to ensure a safe charging voltage, the alternator's power must first go through the voltage regulator. The alternator charges the battery by converting the engine's rotational power to electricity, typically via the serpentine belt. Your car's charging system consists of three main components: a battery, an alternator, and a voltage regulator. So, if the battery loses charge faster than it's being recharged, you could be left stranded. If the charging system fails or provides insufficient electricity to the battery to keep it topped off, your car may eventually stop. While your car's battery provides the electricity necessary to start the engine, the charging system keeps the engine and electrical components like lights running smoothly. Keep reading to get a better idea of what may be causing your specific car battery light woes. The battery light on your dash could indicate a minor issue like built-up corrosion on the battery's terminals or a more complex problem like a failing alternator. But if the battery light comes on and off while driving or stays lit as you drive, your battery or the charging system may be at fault. It's normal for your battery light to come on and go off when you first start your car. ![]()
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