General Car Audio Discussion & QuestionsAll general car audio discussion goes here. Need help installing speakers, headunits, amps or electrical? Having problems with equipment? Have questions about a product, post here.
13.8v is normal for many OEM charging systems. Our unit will not put out higher voltage, it puts out more amperage and will keep your voltage up far better than your OEM unit. The PCM in your vehicle determines the charging voltage.
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