Question about 2005 Pontiac Grand Prix

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All speakers in 05 Grand Prix GTP, have not any bass. All treble. Any suggestions for this? None of the fuses are broken under the hood or in the fuse holder inside the car. The settings on the stereo are set as normal, but still I only hear the treble the entire time while using the stereo or cd player. Checked the amp as well, but that's a lil tricky to make sure it's working.

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Most radios on these are software driven This may be a software update problem. You will probably have to go to a dealer to see if there is an update they can download to your radio.

Posted on Jun 28, 2009


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Location of fuse box

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