What Causes Voltage Instability in the Teana?

1 Answers
WalterRose
07/29/25 1:07am
Issues with the vehicle's alternator or the voltage regulator rectifier module on the alternator can lead to unstable voltage in the vehicle. Hazards of Voltage Instability: Voltage instability has certain impacts on the use of motor vehicles, so timely repairs are essential. If the vehicle is not equipped with a voltmeter, you can purchase an external voltmeter and plug it directly into the vehicle's cigarette lighter for use, which is very convenient. Normal Voltage Range: When the motor vehicle's engine is not running, the voltage measured by the voltmeter typically ranges between 9-12V. After the engine starts, the alternator charges the battery. The positive terminal of the battery is connected to the positive terminal of the alternator, displaying the charging voltage, which is generally within 12.8V under normal conditions.
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