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Message: <blockquote data-quote="forbidden" data-source="post: 682777" data-attributes="member: 552189"><p>Switch the front and rear rca cables, if the problem goes to the front channels of the amp, it is either a bad rca cable or bad head unit. To test for the cable issue, swap the ends of the rca cables again, this time at the head unit end. If the problem goes to the rear again then it is a rca problem, if it stays the same it is a head problem. If no problem is found with this test, then disconnect the rear speaker wires and hook to the front outputs and vice versa. Does the problem stay on the rear channels or is it now on the front? If it is on the front, chances are that you have a bad speaker or a speaker wire going to ground. If the problem stays in the rear, then it looks more like a bad amp.</p></blockquote><p></p>

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