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Audio, Video and Alarm Discussions This forum is for discussing audio and video topics. Such as upgrading or repairing your A/V system.

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Old 03-07-2008, 10:57 PM   #1
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Default no sound from aftermarket stereo

I have a 2001 yukon xl with onstar that is not used. I bought a new aftermarket stereo and installed with provided harness adapter. Power comes on and everything seems to work on the HU, but there is no sound. I searched around the web for anyone that might have the same problem but came up with only a few similar questions. the understanding i have is that the factory amplifier will conflict with the preamp built into the aftermarket stereo. but how do you bypass the preamp? The remote antenne is hooked up to the remote wire on the harness, but nothin'. Now there is the main harness input on the factory radio, and there is another 10 or so pin harness that also attatches to the back of the factory radio. There is nowhere for this other 10 pin connector to go on the aftermarket unit or harness adaptor. Is this related ? Someone PLEASE help!!!
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Old 03-08-2008, 08:46 AM   #2
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Do you have the factory BOSE system? If so that is how you should search. I have not run into the exact problem you have (still have factory head unit) but at least I can help point you in the right search direction.
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Old 03-08-2008, 10:58 AM   #3
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That "10 pin" harness is your aux features like the Xm radio ,onstar, DVD player , ETc. etc.. you should pull out your harness and re-verify that you are tapped into the speakers from your HU to the truck. Sometimes I have noticed if you use a harness thats non onstar with an onstar system the wiring is different.
even though you dont use onstar you still have the hardware hooked up. so thats why i said to verify from the HU that you are running into the correct audio wires to the truck through the harness. chances are you may be just tapped into the wrong wire simple fix ...
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Old 03-08-2008, 12:08 PM   #4
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On the 10 pin harness, you will need to power the pink wire. Run the remote turn on from your new stereo to this wire.
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Old 04-01-2008, 02:36 AM   #5
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Hi all... this is my first post here and I am sure it will not be my last. I just installed an aftermarket into my '02 and like this thread, had no sound. I used the pink wire jump like JK suggested and it now works like a champ. My question is, is it possible to get the onstar and the rear passenger controls to still work? The secondary controls are not that important, just seems strange to have something there that does not work.

Thanks alot guys, and thanks for a great forum.

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Old 12-27-2016, 05:20 PM   #6
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Thanks for the help. Tapping into the pink wire worked.
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Old 12-27-2016, 10:36 PM   #7
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Well can someone please help me? By the way I'm new and im SPYKEDAMONSTA I have a 1999 yukon denali and it has the bose factory system in the head unit has a tape player with a cd player below it , and in the console there's a cd changer. What I want to know is it bought a new head unit a 7 inch flip out screen but the problem is it has no REMOTE WIRE, I keep watching videos and reading the same thing cut into the pink wire and tie the blue/white wire around it and it will work but do to me not having the blue / white wire how will I get it to work???????
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Old 03-05-2017, 12:48 PM   #8
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I have a 2004 Chevy tahoe and I am trying to put I a new ddin head unit. I have a bose factory stereo in now with on star and rear entertainment. I had bought the rp5-gm11 Interface to keep the chimes and on star. I connect the rp5 Into the harness with went into the back of factory radio but can't not get no sound.

I don't know own if I have to remove the old amplifier if I do what do I do with the wire that could next I to it

Somebody please help me
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