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    Battery Light On – Inspection, Diagnostics & Repair

    What does the battery light mean?

    Your car’s battery is responsible for starting your car and powering the radio, speakers, heater fan and other accessories. If it runs flat, your car will need jump-starting. Your battery’s alternator charging system provides the battery with an ongoing source of power while the engine is running , allowing it to recharge itself.

    The battery light is often a red light that can appear on your car’s dashboard. Its purpose is to warn the driver that there is a problem with the battery or charging system.


    What causes the battery light to turn on?

    Corroded/dirty battery terminals – Corrosion on the battery terminals can limit the amount of current that the battery is able to provide or accept. Corrosion can usually be removed from the battery easily with warm water and baking soda, allowing it to work normally again.

    Faulty alternator – The alternator is an important part of your car’s charging system. It converts mechanical power into electrical power, providing your battery with electricity and allowing it to stay charged. Problems with your alternator can reduce the amount of power sent to the battery, causing the battery light to turn on.

    Faulty voltage regulator – The voltage regulator controls the amount of current that flows from the alternator to the battery and therefore the battery voltage. If the voltage regulator fails, your battery will not be provided with the correct amount of energy. A faulty voltage regulator can either cause under charging or over charging of your car battery.


    How serious is this issue?

    If your battery light is on, then you have a limited amount of emergency driving time to either get your vehicle home, or to your trusted local garage. This is because your battery will not be able to charge correctly.

    If you drive with your battery light on you will normally start to experience the car starting to lose power and running rough before it eventually stalls and will not start again.

    The more electrical loads you have on such as headlight, heater fan, demisters, wind screen wipers and so on, the faster the car will stall and not restart, leaving you stranded.

    Therefore you should only drive a short emergency distance to get you, your passengers and your car to safety as soon as the battery light comes on.


    Battery Light Diagnostics & Repair in Hamilton

    Is your battery warning light on? At Grimmer Motors, we can diagnose and fix problems in your battery and charging system. This will allow for the battery to hold its charge, preventing your car from dying when you need it the most.

    For helpful, friendly, honect battery and alternator/charging system repairs in Hamilton, contact Grimmer Motors today!


    Phone: 07 855 2037

    Email: office@grimmermotors.co.nz

    Address: 998 Heaphy Terrace, Fairfield, Hamilton

    Thousands of happy clients from:

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