July 2, 200916 yr I believe, and I may be wrong on this but.....I think the H/U power feed in the dash is regulated in some waythat it only receives a 12volt (usually 15amp) current....I've never had a charging system over 14.9 volts so I can't be 100% sure on this.Try to hook up the leads on a multimeter and see what the actual voltage is before you install the H/U.
July 2, 200916 yr How do most HUs hold up under high voltage, say 16V?I'm guessing your wanting to run your amps and a separate battery bank on 16v? You planning on running a second alternator dedicated to audio?
July 3, 200916 yr Author How do most HUs hold up under high voltage, say 16V?I'm guessing your wanting to run your amps and a separate battery bank on 16v? You planning on running a second alternator dedicated to audio?Well, I have a project I'm working on. Using a car HU and some spare 6x9 Infinity Reference Series speakers that I have lying around to build a portable radio. Is it compact/light/best idea ever? Probably not, but I like tinkering with and building things, so its a fun little project. For power, I'm using a 12-cell Ni-MH pack. Each cell is supposed to be about 1.2V, but fully charged, the pack sits around 16.8V. It drops to 16V under a 1A load in about 1-2 min.
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