What are the symptoms of a bad car alternator?

1 Answers
RileyMarie
07/25/25 4:55pm
The symptoms of a bad car alternator are: 1. Headlights or dashboard lights become dim; 2. Battery or accumulator damage; 3. The car alternator belt does not rotate freely. After the car starts, the main power supply relies on the alternator. If the alternator fails, the charging indicator light will stay on, and it's necessary to stop and check at this point, otherwise the battery will be depleted and unable to start. The solutions for a bad alternator are: 1. If the engine has reached its lifespan, it is recommended to replace it directly; 2. To resolve circuit abnormalities, it is advised to visit a professional 4S shop or repair facility for inspection and solution; 3. Address battery issues; 4. For alternator malfunctions, minor problems can be resolved through cleaning and repair, while major issues require engine replacement.
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