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Message: <blockquote data-quote="Umbra" data-source="post: 8518695" data-attributes="member: 658055">Do you have a multimeter? If not, go get one. They're under $20 (like $6 at Harbor Freight) and they're an invaluable troubleshooting tool. Set it to DC voltage touch the red probe to the battery connection on the amp and the black probe to the ground connection. You should have 12V. Do this again with the head unit on, but with the red probe on the remote wire to ensure you're getting the 12v turn on signal from the head unit.Also check the ground connection. the ground for the amp should be bolted tightly to unpainted chassis.</blockquote>

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