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Message: <blockquote data-quote="Azure" data-source="post: 2241799" data-attributes="member: 571264">I have a '99 Mustang V6, all stock, with a Motorcraft (Ford brand) battery in it. I get corrosion like mad on the negative battery terminal - a blue-green-white powder, very fine, which comes right off on the top layers but is pretty ingrained on the terminal itself. What's this corrosion a symptom of, and is it going to give me problems as I install my new system? (4xKenwood 5x8 eXcelon speakers, Pioneer 4ch amp, all speakers amped) What can I do to keep it from corroding?The Motorcraft battery has been in there since I got the car two years ago and it's run 40k miles since. Should I just drop in a new battery? I very occasionally get voltage drops while driving normally, without my audio blasting (lights dim)</blockquote>

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