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Message: <blockquote data-quote="audiobaun" data-source="post: 8668905" data-attributes="member: 634282"><p>Remove the connections of the sub from the amp and check each coil with a DMM(Digital Multi Meter) and check your coils. Sounds like you may have a bad coil on your sub. Its best to pull the sub and check at the base of the sub right at the connections.Its possible you have a bad coil and sending your amp into protect mode.Try this first.A 145 amp alt and the Big 3 even with 4 ga wiring and good grounding should be plenty for up to approx 1500 rms after market system for power needs in most cases.Check sub first and come back let us know what you found out.You should be reading between 2.0-2.5 per coil, if jumps around not reading ,that coil is no good/fried. You can live with 1.98-2.6 sitting per coil. its within limitations.Check sub first!!</p></blockquote><p></p>

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