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<blockquote data-quote="2023 LTZ" data-source="post: 8822143" data-attributes="member: 686684">I have added a ground as per alternator manufacturer instructions. This goes from battery to alternator bolt which secures it to engine. I also added a custom fitted piece from an empty threaded hole on the bottom of the block to its aluminum engine cradle. I had disconnected that at one point to rule it out as my problem. I have done big 7 but dialed that back to 5 as feeding my under hood fuse block w 0ga was part of the things I eliminated to reduce the wild sporadic charging.Deleted 4/0 from alt to battery and 4/0 from battery to chassis. Then back to 0 from alternator and regular 4ga to original ground on chassis and 4 ga feeding fuse block. Those were considerably smaller than 4ga originally. The ground that’s measured by the sensor is from alternator bolt to battery along w original ground from starter.Ive found that having the fan on high seems to ask for more power from alternator which definitely reduces the dips below 13vI’ll get a 300 coming for the first fuse. The 100 abd 200 are what rf states are needed. a small oversight on my part is the subs each take 800w and are wired to 2ohm this is almost a perfect match for the amp which was rated at 1760 @2 ohms.I know there’s a lot going on in those pics but if looked at closely, it’s a solid upgrade.[ATTACH=full]45200[/ATTACH][ATTACH=full]45201[/ATTACH]</blockquote>

[QUOTE="2023 LTZ, post: 8822143, member: 686684"] I have added a ground as per alternator manufacturer instructions. This goes from battery to alternator bolt which secures it to engine. I also added a custom fitted piece from an empty threaded hole on the bottom of the block to its aluminum engine cradle. I had disconnected that at one point to rule it out as my problem. I have done big 7 but dialed that back to 5 as feeding my under hood fuse block w 0ga was part of the things I eliminated to reduce the wild sporadic charging. Deleted 4/0 from alt to battery and 4/0 from battery to chassis. Then back to 0 from alternator and regular 4ga to original ground on chassis and 4 ga feeding fuse block. Those were considerably smaller than 4ga originally. The ground that’s measured by the sensor is from alternator bolt to battery along w original ground from starter. Ive found that having the fan on high seems to ask for more power from alternator which definitely reduces the dips below 13v I’ll get a 300 coming for the first fuse. The 100 abd 200 are what rf states are needed. a small oversight on my part is the subs each take 800w and are wired to 2ohm this is almost a perfect match for the amp which was rated at 1760 @2 ohms. I know there’s a lot going on in those pics but if looked at closely, it’s a solid upgrade.[ATTACH type="full"]45200[/ATTACH][ATTACH type="full"]45201[/ATTACH] [/QUOTE]

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