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Posts Tagged: gm charging system problems

GM charging system problems

Fix GM charging system problems Late model GM charging systems are quite different that the standard alternator with internal regulator you’ve seen in prior years. If you have GM charging system problems, you must first understand how they work. Plus, you must use a scan tool to determine the root cause. Otherwise you’ll be replacing parts unnecessarily. The new GM charging system is actually called the electrical power management system. It’s designed to monitor vehicle voltage and only charge the battery when necessary. GM does this to improve gas mileage … Read More

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