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radio electrical problem

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Old 09-27-2011, 06:58 AM
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plm45
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Default radio electrical problem
If my 2005 c6 sits for several days the radio produces no sound. The station reads out and sound bar moves up and down, but no sound. I have to disconect the battery to get it to reset. Anyone have an answer?
Last edited by plm45; 09-27-2011 at 07:00 AM. Reason: spelling
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Old 09-27-2011, 07:44 AM
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Has your car thrown any codes?

You may need to replace the radio... either a stock replacent or aftermarket unit.
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Old 09-27-2011, 04:53 PM
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Loose/broken trigger wire to the amp is my guess, but you'd have to check it with a meter WHILE IT WASN"T WORKING to figure it out for certain.

If you can't DIY when it fails, and it gets to the point where it stays off all the time, you can swing by my place for a little help. I'm in Augusta area.
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Old 09-27-2011, 06:30 PM
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Originally Posted by markcz
Loose/broken trigger wire to the amp is my guess, but you'd have to check it with a meter WHILE IT WASN"T WORKING to figure it out for certain.

If you can't DIY when it fails, and it gets to the point where it stays off all the time, you can swing by my place for a little help. I'm in Augusta area.
The only way to get the sound back is to disconnect the battery. The sound will stay off until I do. Would like to come by Augusta.
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Old 09-27-2011, 06:32 PM
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Originally Posted by kedar
Has your car thrown any codes?

You may need to replace the radio... either a stock replacent or aftermarket unit.
No message light for a code.
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Old 09-28-2011, 10:23 AM
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plm45 – please keep me updated if you decide to go to the dealership and let me know if you have any questions.

Thanks,
Laura
GM Customer Service
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Old 09-29-2011, 03:20 AM
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Originally Posted by plm45
The only way to get the sound back is to disconnect the battery. The sound will stay off until I do.
If that is the way it happens every time, I'd have to guess that it's a problem with the radio itself. If the radio comes on, then it's reading the serial data line properly, but then the radio should be providing a 12v trigger to the amp so it turns on. Sounds like the radio isn't putting out either the audio signal or the trigger. But I suppose something strange could be going on with the amp also.

Originally Posted by plm45
Would like to come by Augusta.
You have a PM.
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Old 10-04-2011, 07:21 AM
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Originally Posted by Chevy Cust Svc
plm45 – please keep me updated if you decide to go to the dealership and let me know if you have any questions.

Thanks,
Laura
GM Customer Service
Went to Chevy dealer yesterday. They have come up with bad amp. New one ordered to be installed next week.
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Old 10-04-2011, 07:22 AM
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Originally Posted by markcz
If that is the way it happens every time, I'd have to guess that it's a problem with the radio itself. If the radio comes on, then it's reading the serial data line properly, but then the radio should be providing a 12v trigger to the amp so it turns on. Sounds like the radio isn't putting out either the audio signal or the trigger. But I suppose something strange could be going on with the amp also.



You have a PM.
I have a dental appointment friday at 10AM, or can come sat. PM.
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Old 10-04-2011, 07:25 AM
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Originally Posted by plm45
I have a dental appointment friday at 10AM, or can come sat. PM.
Sorry, Pulled the trigger to quick. Went to GM dealer yesterday. They say new amp. One ordered $500. If this is not the fix I will need new radio, $500. If amp does not fix the radio is free.
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Old 10-04-2011, 08:09 AM
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you spend $500.00 on a new factory amp?
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Old 10-04-2011, 05:01 PM
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Originally Posted by c5 BearsFan
you spend $500.00 on a new factory amp?
What else to do?
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Old 10-04-2011, 07:13 PM
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Originally Posted by plm45
What else to do?

spend alot less on new speakers and aftermarket amp and get better sound
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Old 10-04-2011, 07:55 PM
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amen to that... or a used amp i bet a wtb thread would have yielded one for under 500 dollars
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Old 10-05-2011, 12:47 AM
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Originally Posted by plm45
Sorry, Pulled the trigger to quick. Went to GM dealer yesterday.


Originally Posted by plm45
They say new amp. One ordered $500. If this is not the fix I will need new radio, $500.
That makes it sound like they're just guessing at the amp being bad

Originally Posted by plm45
If amp does not fix the radio is free.
That confirms that they're just guessing at the amp being bad
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Old 10-05-2011, 02:30 PM
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