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What is a 12V DC negative ground electrical system? Can I ground to the chassis of my car instead?

Jan 08, 2008 by pyunny | Posted in Car Audio

I recently installed a headunit into my Nissan which has no ground wires coming from the system so I grounded my HU onto a piece of metal inside of the dash. However, I just read that my headunit is to be used with a 12V DC negative grounding electrical

Yes, any car made from the late 50 or early 60's and up is a 12 volt negative ground vehicle. They specify this in the paperwork, so some dumba$s that hooks it up to his house power can't say that it didn't say not to. hahahaha.

vulgar_2 | Jan 08, 2008

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