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General Car Audio
Volume decrease when I turn it up loud
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<blockquote data-quote="wew lad" data-source="post: 8405179" data-attributes="member: 665412"><p>I'm not really sure that alternators wear out, maybe they do lose some output due to grease, dirt, and other crap that gets in there (the alt i pulled off my truck is dirty as hell) but it's either a failure or not. A diode can go bad, causing terrible noise (ac ripple?) in the power output. Another option is the voltage regulator failing and the alternator charging too high or not at all, lots of possibilities but i feel like it'd be present all the time.</p><p></p><p>considering he said his battery dies very fast after turning the car off make me think that it's dead, all it holds is a surface charge and as soon as his alternator is tapped out for power his batt is too lol</p><p></p><p>you can get the alt tested at a local small mom and pops alternator shop, but i feel like it'll test fine - get that battery load tested.</p></blockquote><p></p>
[QUOTE="wew lad, post: 8405179, member: 665412"] I'm not really sure that alternators wear out, maybe they do lose some output due to grease, dirt, and other crap that gets in there (the alt i pulled off my truck is dirty as hell) but it's either a failure or not. A diode can go bad, causing terrible noise (ac ripple?) in the power output. Another option is the voltage regulator failing and the alternator charging too high or not at all, lots of possibilities but i feel like it'd be present all the time. considering he said his battery dies very fast after turning the car off make me think that it's dead, all it holds is a surface charge and as soon as his alternator is tapped out for power his batt is too lol you can get the alt tested at a local small mom and pops alternator shop, but i feel like it'll test fine - get that battery load tested. [/QUOTE]
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Volume decrease when I turn it up loud
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