A Volts gauge is a good tool for detecting whether the generator and battery are faulty. As long as it is used properly, it can greatly reduce the chance of the engine not starting, or the engine stalling. Cars need the power to operate normally, especially newer cars, which rely more on the power system. However, the original warning countermeasures for whether the power system is abnormal is only the charging light, and no voltmeter is provided, and the charging light is only It will only light up when the power is almost exhausted. At this time, many car owners cannot support the repair shop. At this time, if there is a voltmeter, you can know in advance whether there is any abnormality in the power system on the car. This is because the voltage value of the generator on the car can reach about 13.0-14.2V when the engine is running. If the voltage is lower than 12.5V through the volts gauge and continues for a long time, it means that the generator has It is about to fail, and the reason why the vehicle can continue to drive may be using battery power. Once the battery power is exhausted, the engine will definitely turn off. And even if the flame is not turned off, the battery may not be able to supply the power required to start the engine next time, and the engine will not start smoothly.
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