How Do You Know If It's Your Alternator Or Battery. You may see a battery-like icon or an. If a cleanup solves the problem great but if it doesnt you may have a dead battery or a bad alternator.

You can check the alternator by simply starting your car and then disconnecting the. Ad Be Sure You Have The Starting Power Your Vehicle Needs. Ad Get 10 Off When you Buy Online Pick Up In-Store Now.
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Ad Get 10 Off When you Buy Online Pick Up In-Store Now. If there is any power left in the battery the warning lights on the dashboard should come on. This varies by the model but when the alternator starts to let go it can light up one of several lights. Illuminating warning light.
