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Message: <blockquote data-quote="Deiimos" data-source="post: 8798404" data-attributes="member: 682903">From 13.8v down to 8v is one hell of a drop for the system not running full tilt or powering up. A bad amp drawing a lot of current should blow fuses with that kind of drop, so not thinking it is the amp yet. My first opinion is, a bad connection somewhere. Check every connector / wire from the battery and ground, and check the fuse holder connectors / fuse. Use your volt meter to check voltage at the amp, and with the system powered up and the amp is showing 8v at the power terminals, check the voltage at both sides of the main power wire fuse holder under the hood to see if there is a drop on one side or the other, and keep testing along the power wire path, and even touch the meter ground probe on another ground source to see if that could be the issue.What exact fuse holder and fuse are you running?</blockquote>

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