Is something draining your car's battery? Don't pay a mechanic! Use a multimeter and these stepbystep instructions to perform voltage drop tests to isolate the circuit that is draining your car's battery. Includes troubleshooting tips and advice for all levels of auto repair experience. Sponsored by BBB Industries makers of premium alternators and starters that meet or exceed OE form, fit and function. http://www.BBBind.com

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Eric the Car Guy is an ASEcertified Master Technician based in Cincinnati, Ohio.