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<blockquote data-quote="jrwalte" data-source="post: 4640147" data-attributes="member: 584454">It could be a low voltage issue that is causing your amp to turn off.&nbsp; If the ground point at your amp isn&#039;t good enough (too much resistance between the battery and the amp) it&#039;ll work at lower volumes and the voltage will even look good.&nbsp; But once you pass that certain point of power the ground can&#039;t handle the current and you have big (quick) voltage drops that a volt meter wouldn&#039;t completely detect.&nbsp; You may see it dip in the 12s when you know it should stay in the 13s.If you search here you&#039;ll see how you can take a DMM and test the ohm resistance between the battery negative and the ground spot at your amp.&nbsp; Or just try picking another spot to ground.Where exactly is your current ground and what steps did you take to prep/install the ground wire? Also, what gauge is the ground and power wire and have you done the big three?</blockquote>

[QUOTE="jrwalte, post: 4640147, member: 584454"] It could be a low voltage issue that is causing your amp to turn off. If the ground point at your amp isn't good enough (too much resistance between the battery and the amp) it'll work at lower volumes and the voltage will even look good. But once you pass that certain point of power the ground can't handle the current and you have big (quick) voltage drops that a volt meter wouldn't completely detect. You may see it dip in the 12s when you know it should stay in the 13s. If you search here you'll see how you can take a DMM and test the ohm resistance between the battery negative and the ground spot at your amp. Or just try picking another spot to ground. Where exactly is your current ground and what steps did you take to prep/install the ground wire? Also, what gauge is the ground and power wire and have you done the big three? [/QUOTE]

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