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If you have an alternator light on your dashboard it should light up when you start the engine. If it doesn’t this could indicate a problem with the alternator A drive belt which is incorrectly adjusted can prevent the alternator from supplying sufficient charge to the battery, causing the battery to fail. Loss of power when you turn on your headlights or air conditioning can be a symptom of an improperly adjusted drive belt. Your mechanic can test the belt for cracks or fraying to fix this problem A grinding noise coming from the alternator can indicate an alternator problem Check the battery voltage and terminal connections when your engine is running using a voltage meter. You should get a reading between 13.5 v and 15 v. A reading lower than this range indicates a potential alternator problem
Alternator Repair The alternator works on the same basic principles today as when it was first developed however with the advent of high tech electronics it has become a very sophisticated piece of equipment and repairs should only be completed by a qualified technician that has all of the necessary tools and equipment at their fingertips. The alternator can fail for a number of reasons and a faulty alternator can be indicated through a wide variety of symptoms. If you have experience with mechanics or electronics you may possibly be able to diagnose the