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> All Front Speakers And Left Rear Speaker Not Working
bcerto
post Jan 26 2011, 05:24 PM
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Thanks to this forum, I discovered how to easily fix the sunroof drain leak in my Volvo XC90. When I was fixing the leak and saw the exposed wiring next to the drain line, I realized the leak probably caused a speaker short. About 6 months ago, my front speakers went out. Then 4 days ago, after a hard rain, my back left speaker went out. Is there a fix for this problem?? Now that the drain is fixed, I'm hoping someone knows how to fix the speaker problem. I'm not sure the two problems are related, but it seems like the may be. Any advice would be great!
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emiandy
post Feb 8 2011, 07:44 PM
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Hello bcerto, I just have had the same problem with my speakers in my xc90. I did not have a rain issue. I was wondering if you have had your problem solved outside of this forum. If yes, would sure appreciate some info on the fix. Thanks
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MKC70
post Feb 8 2011, 09:23 PM
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I would meter the speaker wire plug and see if the speakers are good. Could be the amplifier itself considering so many speakers are out. They go for cheap on the bay used.
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bcerto
post Feb 12 2011, 09:09 PM
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QUOTE (MKC70 @ Feb 8 2011, 09:23 PM)
I would meter the speaker wire plug and see if the speakers are good. Could be the amplifier itself considering so many speakers are out. They go for cheap on the bay used.


Can you give more specific instructions on how I can meter the speaker wire plug? I've never worked with stereo wiring before, but am eager to learn. It's difficult to hunt down guidance. Any help would be appreciated!

Brian
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MKC70
post Feb 13 2011, 08:12 AM
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QUOTE (bcerto @ Feb 12 2011, 09:09 PM)
Can you give more specific instructions on how I can meter the speaker wire plug? I've never worked with stereo wiring before, but am eager to learn. It's difficult to hunt down guidance. Any help would be appreciated!

Brian

The amplifier is located under the passenger seat. There are several versions as far as I know, but more similar than different. Each speaker in the car has 2 wires coming off the amplifier to power them, even the tweeters. Recall that the stock ones should read ~4 ohm. This setting is located on a multi meter and needs to be probed with the testers leads to each speaker wire pair.

If you do not feel comfortable with testing, simply remove amplifier to verify part #. Buy the used replacement amp, and swap them out. Pretty much the trouble shooting approach you see these days when something goes bad.
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bcerto
post Mar 21 2011, 04:46 PM
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Well the problem is now fixed. The previous owner had aftermarket blue tooth installed for handsfree phone functionality. Water from the sunroof leak caused corrosion in the 'mute box' that was located near the amp. I simply took out this component and configured it the was it was originally and it worked. The water definitely caused the problem, as there was rust and corrosion in the mute box. Thanks for all the tips, I'm so happy this is resolved.

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