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  1. M

    Buzzing Noise at Rear Speakers 2007 Tahoe/Suburban

    Small update: I installed a new amplifier and the noise is gone but there is actually no sound at all coming out of the back. I bridged the speaker cables of the rear speakers and connected them directly to the vehicle wiring harness without success. Unfortunately the original rear monitor and...
  2. M

    Buzzing Noise at Rear Speakers 2007 Tahoe/Suburban

    So, as I said, I can hear the radio sound very quietly from the rear speakers when I put my ear to it, but the noise is much louder. My radio definitely has outputs for the rear speakers. I ordered a new amplifier today and will replace it. If that wasn't the problem, I'll check the cables for...
  3. M

    Buzzing Noise at Rear Speakers 2007 Tahoe/Suburban

    No, Just noise
  4. M

    Buzzing Noise at Rear Speakers 2007 Tahoe/Suburban

    Could this all be related to my Canbus adapter? I don't know if I have Onstar in this vehicle or not. To be honest, I still don't fully understand what Onstar is, we don't have this service. I have the PAC rp5-gm31 in conjunction with an Alpine ILX 705 radio. Maybe the Bose amplifier doesn't...
  5. M

    Buzzing Noise at Rear Speakers 2007 Tahoe/Suburban

    all right, thank you for your information. I'm trying to get a scanner like that. So if I unplug the cable from the Bose amplifier, the front speakers go silent. So my headunit has to turn on the amplifier. As soon as I turn on the RSA and plug in headphones there is a humming noise in the...
  6. M

    Buzzing Noise at Rear Speakers 2007 Tahoe/Suburban

    No, the noise also comes when the plug is bridged. It doesn't matter which channel is set on the radio. The front speakers work perfectly, but the sound from the rear is very quiet and the loud noise comes from all rear speakers. what kind of tester do I need? Unfortunately, there is no...
  7. M

    Buzzing Noise at Rear Speakers 2007 Tahoe/Suburban

    I disconnected the rear control and bridged the cables of the plugs, so I bypass the rear control
  8. M

    Buzzing Noise at Rear Speakers 2007 Tahoe/Suburban

    Thank you for the good reception here! I have attached some pictures. There are a few things that need to be modified in order to be allowed to drive an american car in Germany.
  9. M

    Buzzing Noise at Rear Speakers 2007 Tahoe/Suburban

    Thank you! The green plug of the radio control must be bridged from top to bottom to bypass this. Unfortunately, that did not solve the problem and the humming also occurs with the radio unit bridged. So my guess is that the Bose amplifier has a bad ground connection, the amplifier is defective...
  10. M

    Buzzing Noise at Rear Speakers 2007 Tahoe/Suburban

    Hello everyone, I’m reaching out from Germany because the community for Suburbans, Tahoes, and Yukons is quite small here. I drive a 2007 Suburban, which is essentially the same as the Tahoe and Yukon, just a bit longer. I bought the car with an aftermarket radio already installed by the...

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