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When turn on right front speaker static then goes away

Whe I first turn on the right front speaker has static then goes away I saw something about a pulsar card?

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On my 2003 Avalanche, after the radio has been on for a few minutes static starts in the front right speaker then travels to all of them. As the static gets louder the radio volume goes down and the static...


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This seems like at cables have gone bad or either the connections in the speakers went bad. Its best to replace them unless you know how to disassemble and re-soder the connections.

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This is normally due to a bad connection, however it can also be caused by a blown speaker. replace with another speaker to see if the static is still there, if you still hear the static then the speaker is fine and the wire is broken somewhere, is the sound of static goes away then problem solved.

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It might be a bad connection then. First try and swithch it to a different outlet and settings. If it does not work it mightn have to be fixed then.

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