Question about 1999 GMC Yukon

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99 yukon radio problem

Please help!

I have a 99 yukon in which the radio keeps going out. It will play some days and then go out. I have notice that if I try and turn up the volume, just a little, not real loud, this causes the radio sound to stop. When the sound goes out, the receiver still shows the radio station and the time but no sound. Therefore I do not beleive it is the theft loc.

In order to try ans solve the problem, I purchased a used radio off ebay (to try and replace the original). The used receiver worked for about 15 minutes and then the same issue started to occur. Is there some sort of amp after the receiver that is going out or could this be the command module? Any help is appreciated, I just dont want to take it to the dealer and pay 500.00 or more to try and let them attempt to find the issue.
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  • Anonymous Mar 04, 2009

    i have similar problem in my 2004 yukon bose system. radio intermittently does not work. all i hear is a clicking noise. the next time i turn the radio on it works fine.

  • wenrclan Mar 25, 2009

    I'm having the same problem with the sound cutting out, all the features keep working on the radio, just no sound. I traced a clicking sound to under the dash when the radio is turned on and off. is this an amp that could be the problem?? I've tried two radios and get the same thing. Laid off and don't have the $$ to spend at the dealer. HELP....

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If you have the BOSE system, you will have to check the power amplifier which is, unfortunately, buried under the center console. You can only get to it by removing the entire console and turning it upside down. It is located directly under the the stowage area. There are 4 torx head screws that secure it and 2 connectors toward the front. My guess would be that there is a fault in it or possibly a shorted speaker wire somewhere. To remove the console, you need to remove the top (screws located under the cup holder areas) and slide it about 1.5 inches rearward. the console also has 2 large cables that plug into the console which need to be disconnected and un-clipped from the restraint clips. Once you get to the power amp, you can open it to look for obvious signs of damage (if you are electronically inclined) or get one from a bone yard to use as a test. Good luck!

Posted on Mar 25, 2009

  • utopiaorhell Mar 25, 2009

    As far as the clicking sound, that is the relay in the power amp. I am curious. Do the electric windows or wipers stop working when the radio quits??? I may have the fix that could save you $1000 BCM changeout at the dealer.

  • utopiaorhell Mar 25, 2009

    I forgot to add, there are 4 bolts securing the console to the floor that must be removed before you slide it rearward. It is hard to slide because of the carpet, but it does have to backwards to release from the clip in the back of it. Also, the Integrated Body Control Module can also be a source of clicking. It has 5 relays inside that control a number of functions throughout the vehicle, at least on my 1999 Denali. Talk to me about the IBCM or sometimes just called BCM before you drop a couple of weeks pay on a new one at the GM dealer.

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Wipers, radio and windows do not work in my 2000 Yukon. I am sure it is the BCM. What is your advice?

Posted on Jul 28, 2011

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