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I have a clarion cdm5 on my boat, it's been working fine but today it's suddeny started saying 'amp guard'.....i tried cutting power several times as well as reset button but nothing works.

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Check your ground wire. protection mode of any sort is usually caused by a faulty ground. I am sure that it being a boat that there could be some shock and vibration it has to endure. Just check to see if you have all tight connections. Ensure you still have a good solid ground and it should jump out of the protection mode.

Posted on Aug 01, 2010

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