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Message: <blockquote data-quote="hispls" data-source="post: 8718355" data-attributes="member: 614752"><p>Yes.  Even a small aftermarket amp will want to draw a lot more current than any of your factory electrical system is meant to handle.  In fact it is good practice to add an additional cable from - battery terminal to the frame as close as possible up under the hood... the idea being every bit of current that passes through the + terminal needs to come back through the - terminal and most cars have the skimpiest possible ground wires stock, basically barely even up to the task of running every accessory in the vehicle at the same time.</p></blockquote><p></p>

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