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Message: <blockquote data-quote="Hyperlite" data-source="post: 3085462" data-attributes="member: 575975">I recently added a hard drive to my setup, and it seems to have uncovered some larger power issues i am having.Long story short, i realized last night that even with its own power adapter, my hard drive doesn't spin up when i have headlights/AC turned on.  with these on, i get voltage drops to 11.5 up front, 12.5 at the cap.  During the day i am usually fine, getting nothing below 13.3 when pushing my substage hard (if ac is off).   I get no dimming whatsoever, which confuses me somewhat...So the question is, how can i fix this?  Big 3?  power directly from cap or battery for the hdd power adapter?  vehicle is in my sig, i believe its a 65a alternator.thanks</blockquote>

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