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Message: <blockquote data-quote="DRBOOM" data-source="post: 8662772" data-attributes="member: 676005">If you can open the front dash panel to access your car radio, disconnect the speaker wires from the head unit then, use a 1.5v penlight battery, use each speaker wire that you disconnected from the car radio to see if they make scratching sound.Use the penlight battery to connect to each pair of speaker, do this to both front and back left hand side, If the speaker crackles when power goes through them, then they are not dead, so its your head unit. This is another way of testing speakers with low voltage across the speaker wires feeding to the speakers.Try this if you don't have a multi meter.</blockquote>

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