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  1. W

    2021 RST driver light went limp

    My light randomly went down. I popped my hood and started to turn the 6mm bolt housing and I could not go up. It was mismatching the passenger side by 10”. Now I can’t raise or lower the driver side any longer. Has this happened to anyone? From what I read, GM only has a 3/36 warranty on it and...
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    2021 5.3L Tahoe Alternator voltage?

    Those with a 2021 or newer, what’s your Alternator voltage w/engine on? From what I read, all the recent models share the same DC Delco brand, along with the AGM battery. I’m at 13.6 and want to see if others have a similar number. I’m starting to have electrical issues due to stock...
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    What battery brand & installing?

    I have a 21 Tahoe and a 15” FI Audio sub. I’m about due for a new battery and curious what brand people are using. My go to XS Power doesn’t make a battery for us… yet. AGM battery is preferred. Also, I read it needs technical assistance when installing? Is this a sales pitch or is there some...
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    How to turn ignition w/out engine on 21 RST?

    I’m feeling a little stupid rn as I can’t figure out how to turn the ignition on so the code reader can scan. I put the accessories on and ran the scanner but it doesn’t feel right w/out the dash lighting up. The past 2 days I’ve received a Low Oil notification but I’m at 35% oil life left, has...
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    2021 3rd brake light replacement or spoiler removal?

    Anyone sound deaden the spoiler? I need to put some sound deadener in my spoiler/3rd brake light and can’t seem to find a video on how to remove it. I tried searching the 3rd light replacement and don’t see videos or write ups on the 2021+ models yet. When doing so like the previous gen Tahoes...
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    2021 or 22 Big3 upgrade anyone?

    Has anyone upgraded the factory ground? I’m pushing about 2k rms and surprisingly no dimming lights or signs of power struggle. With that much power, I need to upgrade ground to match my amp 1/0 wiring.
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    2021 RST skip button not responding?

    I’ve had the truck for 2yrs and this is the first time I’ve had an issue w/it. Last week I could Fwd or Rwd by holding the button down or skip tracks by pressing the button. Now it doesn’t respond. The home button and back button work which leads me to believe I might of accidentally turned off...
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    Anyone know how to remove 3rd row panels?

    I’m trying to put some deadener in the walls and can’t figure out how to remove both panels. I’ve removed the bolts near the hatch and it’s clear that I took off all bolts. I’ve removed the bolts finest the 2nd row doors but something in the middle of the panel is holding me up, seems to be...
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    2021 RST rear panel removal?

    My RST has bad rattling due to my sub. I can’t figure out where the bottom bolt that holds both side panels. Anyone know how to remove the inside panels between the 3rd row & trunk? Tyvm
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    Looking for DIY 2021 Tahoe towing install

    Hello all. anyone have any links, experience, parts list or good install videos? This will be my first cargo trailer, I should of purchased the tow package when I ordered my RST last year. Tyvm!
  11. W

    Want to add sub to 2021 Tahoe RST

    Looking to add a single FI SSD v4 12” sub to stock radio on a saz1000 amp. Will not do big3, upgrade ALT or replace speakers/HU. Just add amp and sub to 9spkr Bose system. what wiring harness and what conversion module do you guys recommend? I asked a local sound shop and they said an L2 was...

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