Question about 2007 GMC Sierra 2500HD

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The front door speakers are not working, but from time to time they come on for a brief moment. also, the door chime only works if the front door speakers are working. weirdest thing i've ever seen. changed the radio with another factory 2007 gmc sierra radio, and it made no difference. any suggestions?

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  • Jeffrey Turcotte
    Jeffrey Turcotte May 08, 2011

    if you have onstar, the chime as well as onstar operators speak thru the speakers. Check the onstar connector behind the radio for any issues.



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The door chime is played over the speaker. I had the same issue the speaker was junk. The circuit resistance was correct but no tunes. Replaced the speaker with one from the junk yard and sounds great all the time.

Posted on May 09, 2011


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