Is a High Output Alternator Required for your Vehicle? If your car: Uses heavy-duty audio systems like stereos, speakers, subwoofers, and amplifiers Has upgrades, like seat warmers, air conditioning, or electric windows is a high performance vehicle like a motorsport or off-road vehicle is used for camping or supplies power to power tools is an ambulance or police van then a high output alternator is almost always required. This means, that the demand for power is high, and you risk the potential for a dead battery or false battery diagnoses…
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