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  1. Sinewave

    2021 Bose Amp location and wiring info

    There are harnesses that plug into the harness that have the Micophones. it loops back so no cutting is required https://lljcustoms.com/store/ols/products/2014-2019-gmgmc-bose-anc-bypass The reason for doing this is to eliminate feedback noise or humming when adding an aftermarket sub. The...
  2. Sinewave

    21 Tahoe and Xbox Series X

    just throwing out an idea. If that xbox video output is set too high (4k ect) it might be causing syncing issue with HDMI. Try connecting your xbox to a tv and reducing to video output to 720p and see if that works.
  3. Sinewave

    Recall N212339110 - Airbag Light May Not Indicate Malfunction

    Dealer did airbag and radio update during oil change. No biggie
  4. Sinewave

    2021 Bose Amp location and wiring info

    Its funny you say that, as there is a round speaker perforation in this rear left panel just like previous years that supported aftermarket sub enclosures. There is more than enough space and there are open threaded bolt holes on the bose amp bracket. There is most certainly a small 6.5" sub in...
  5. Sinewave

    2021 Bose Amp location and wiring info

    The Bose system is lacking IMO but I thought I would share my findings with the forum. The biggest challenge with this system is it uses a new version of MOST-50 digital signal from the radio to the Bose amp. The Bose amp then Eq, filters, and time delays you speakers. Additionally your chimes...
  6. Sinewave

    2021 Yukon Subwoofer?

    I have the 9 speaker Bose (10 speaker adds center channel) and it has a small sub in the center console. It’s muddy and lacks definition. It’s just not good audio system but I’ll change it all out soon enough.
  7. Sinewave

    Wireless car play setup

    What phone and software version do you have? During initial setup it does require Bluetooth to be enabled and to search for Chevrolet (or your make).
  8. Sinewave

    Wireless CarPlay skipping

    I have this issue when my phone is in my pocket. When placed on the wireless charger there is no skipping. As much tech as there is in these vehicles we are all Beta testers at this point.
  9. Sinewave

    Can anyone identify what this fuse is for?

    Intresting. Thanks for the Schematic I was hoping it was feedback voltage for auto stop only and not the whole ECU. Yeah the Info screen on the gauge cluster will give you % of life on brake pads. It’s clever but I have to wonder how accurate it is and what happens years down the road when I...
  10. Sinewave

    Can anyone identify what this fuse is for?

    I looked in the owners manual and it doesn’t mention it or reference it, I also looked around the cover. Does anyone know what this 5A fuse under the battery cover is for?
  11. Sinewave

    2021 Yukon Denali - Auto stop/start - any news on disabling automatically?

    And now I’m eye balling my DMM thinking how to source female/male connectors for this switch....
  12. Sinewave

    Want to add sub to 2021 Tahoe RST

    I have a 2021 Tahoe Z71 and the Bose system has Noise cancelation mics, echo cancelation, chimes and full data signal to BOSE amp. You could tap the signal coming from the Bose amp with a LC2i but you are going to have a challenge with those other features causing your subs to pop and hum. Some...
  13. Sinewave

    I should have got a Tahoe sooner

    This is my first Tahoe and I should have got one sooner. What a great truck!

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