Head-up display circuit for Buick Envision I (2016-2018)

BATT POS VOLT BLK WIRE BLK/GRN WIRE COMPUTER DATA LINES SYSTEM DATA DATA BUS 12 DISPLAY DISPLY FUSE GRN/BLK WIRE GRY/VIO WIRE HEAD-UP HEAD-UP DISPLAY HEAD-UP DISPLAY SWITCH HEADLAMP ON HOT W/ BATTERY SAVER RELAY 1 ENERGIZED HUD HUD SW LOW REF HUD SW SIG INFO INSTRUMENT PANEL FUSE BLOCK LOGIC INSTRUMENT CLUSTER LVDS LVDS GY HEAD-UP DISPLAY MOST SERIAL RED/YEL WIRE SERIAL SERIAL DATA BUS 12 WHT/GRN WIRE YEL WIRE YEL/WHT WIRE