Rick's Free Auto Repair Advice

Posts Tagged: car alternator

Is my car alternator bad?

How to check car alternator Every day I see auto forum participants ask whether their no-start problem is due to a bad battery or bad car alternator. The answer isn’t that simple because a bad car alternator can cause a battery to be low on charge and you can’t test an alternator when the car has a discharged battery. Start by understanding how an alternator works How does a car alternator work? Older generators operated by rotating a coil of wire around a magnet to produce electricity. As car makers … Read More

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