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Old 09-22-2010
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The irony of grounding a system to a metal frame that moves around on rubber wheels is not as ridiculous as it sounds. You are not really grounding anything on the car, you are connecting them to a reference voltage (negative battery post) so the potential will be the same at all devices.
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Bubbler pipe

Last edited by nickmerc; 08-18-2011 at 06:33 AM.
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