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Deh-p4550 unit lights up but have no sound.

Deh-p4550 unit lights up and goes through all funtions but no sound. tested on the bench before instalation and all worked fine, same speakers were used and are wired up as they were on the bench.

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Check all speaker wires and speakers to make sure there are no shorts to ground or the chassis of the car.

Posted on Apr 22, 2009

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Pioneer DEH-P4550 wont produce sound


If you can, the first thing you need to do is check all of your speakers and speaker wires for shorts and/or grounds. You will need a multimeter/ohmmeter to do this. If the speakers and speaker wires check out good, you may have a bad output ic inside of the deck.

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