Thank you for the info.If you get the proper kit linked earlier in this thread it will work. Not sure where the idea came from but you cant just go buy your own cluster and throw it in there like he attempted. The Video posted in this thread is the setup portion of one of the kits listed below which comes preprogrammed with custom retrofit programming:
12.3" Full LCD Cluster Upgrade (T1 SUV) 2021-2024
Add a beautiful factory Full Color 12.3" LCD Instrument Cluster to your 2021-2024 Tahoe, Suburban or Yukon with full Warranty!www.whiteautoandmedia.com