Buick Envision II (2020-2024) Head-up display circuit

BATT POS VOLT BLK WIRE BLK/GRN WIRE BRN/BLU WIRE BUS 7 (-) COMPUTER DATA LINES SYSTEM DISPLAY ETHERNET GRN/BLK WIRE GRY/BLU WIRE HEAD-UP HEAD-UP DISPLAY HEAD-UP DISPLAY SWITCH HOT AT ALL TIMES HUD DOWN HUD SW LOW REF HUD SW SIG HUD UP INFO INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC LVDS LVDS GY HEAD-UP DISPLAY MUTE RED/YEL WIRE SERIAL DATA BUS 1 YEL WIRE YEL/WHT WIRE