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Help me build a nice system from the ground up
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<blockquote data-quote="Kickstand" data-source="post: 8750357" data-attributes="member: 681842"><p>I had a 1700 watt amp and a 600 watt amp running of the stock 110 amp alt in my cobalt without any issues</p><p>I did however upgrade the battery to an AGM battery</p><p>It sounds like either your battery or your alt are on their last legs</p><p>The car is 20 years old.</p><p>I would start with an AGM battery and the big 3 with 0 gauge wire (Alt to battery+, Battery to frame -, engine block to frame - )</p><p>Northstar and XS Power are a couple of names for batteries that should make direct drop in's which in your case should be a group 75</p><p>This should eliminate your light dim</p><p>If the battery still drains then you know the alt is the problem</p></blockquote><p></p>
[QUOTE="Kickstand, post: 8750357, member: 681842"] I had a 1700 watt amp and a 600 watt amp running of the stock 110 amp alt in my cobalt without any issues I did however upgrade the battery to an AGM battery It sounds like either your battery or your alt are on their last legs The car is 20 years old. I would start with an AGM battery and the big 3 with 0 gauge wire (Alt to battery+, Battery to frame -, engine block to frame - ) Northstar and XS Power are a couple of names for batteries that should make direct drop in's which in your case should be a group 75 This should eliminate your light dim If the battery still drains then you know the alt is the problem [/QUOTE]
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