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Battery Voltage on Ground Port of Amp
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<blockquote data-quote="Water Bear" data-source="post: 8822077" data-attributes="member: 673826"><p>Yes. Grounding on battery negative is debatably the best ground. Ideally the engine block, frame, chassis, and battery negative are all tied together. The idea with grounding on the chassis is that the current flow makes its way back to the battery negative by flowing through those different parts. In practice many vehicles have resistance along that path, especially between joints in th chassis or connections to the frame.</p><p></p><p>When the connection is bad enough car audio guys will sometimes run directly to battery negative. The way I deal with it is doing a big 3 type upgrade where you manually tie all the components together with big ol' ground wires. The engine block, chassis, battery negative, and alternator negative are all tied together in my Tahoe.</p></blockquote><p></p>
[QUOTE="Water Bear, post: 8822077, member: 673826"] Yes. Grounding on battery negative is debatably the best ground. Ideally the engine block, frame, chassis, and battery negative are all tied together. The idea with grounding on the chassis is that the current flow makes its way back to the battery negative by flowing through those different parts. In practice many vehicles have resistance along that path, especially between joints in th chassis or connections to the frame. When the connection is bad enough car audio guys will sometimes run directly to battery negative. The way I deal with it is doing a big 3 type upgrade where you manually tie all the components together with big ol' ground wires. The engine block, chassis, battery negative, and alternator negative are all tied together in my Tahoe. [/QUOTE]
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Battery Voltage on Ground Port of Amp
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