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<blockquote data-quote="TombaDude" data-source="post: 8682581" data-attributes="member: 677855"><p>Hello. I have a problem with my Ground Zero sub amp (can&#039;t remember the exact model but it&#039;s one of the older piano black finished 220W @ 4 ohm models). I have it hooked up to an Alpine SBG-1044BR sub and it plays nice. The problem is, when I&#039;m sitting in the car, ACC on and listening to music and then start the car, the amp goes to protection mode. It starts working again when I shut off my head unit and turn it back on. Positive is wired straight to battery with 20mm2 cable and ground is solid (under seatbelt bolt). Positive is shared with another amp running 2-way speaker set and it stays on when starting the car. What can cause this? Maybe voltage drop puts it in protection? Solutions? Thanks. (Ps I&#039;m new here don&#039;t judge <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big grin&nbsp; &nbsp; :D" loading="lazy" data-shortname=":D" />)</p></blockquote><p></p>

[QUOTE="TombaDude, post: 8682581, member: 677855"] Hello. I have a problem with my Ground Zero sub amp (can't remember the exact model but it's one of the older piano black finished 220W @ 4 ohm models). I have it hooked up to an Alpine SBG-1044BR sub and it plays nice. The problem is, when I'm sitting in the car, ACC on and listening to music and then start the car, the amp goes to protection mode. It starts working again when I shut off my head unit and turn it back on. Positive is wired straight to battery with 20mm2 cable and ground is solid (under seatbelt bolt). Positive is shared with another amp running 2-way speaker set and it stays on when starting the car. What can cause this? Maybe voltage drop puts it in protection? Solutions? Thanks. (Ps I'm new here don't judge :D) [/QUOTE]

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