Replaced the inline fuel pump on my early model. When I reconnected the battery (disconnected at the negative ground) I get serious alternator whine through the speakers. Took the negative off and cleaned connections. Checked to make sure it was properly secured to the chassis and still whines. What other grounds can I check? Kicker replacement speakers and a boss headunit only. Never had an issue before
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Alternator whine after disconnecting and reconnecting battery ground
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