Buick Envision II (2020-2024) Front heated seats circuit

BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DRIVER CUSHION, BACK SWITCH DRIVER FRONT SEAT BACK HEATER DRIVER FRONT SEAT CUSHION HEATER ENGINE WIRING HARNESS JUNCTION BLOCK FRONT HEATER, AIR CONDITIONING USER INTERFACE CONTROL FRONT SEAT HEATER VENT CONTROL MODULE GRN WIRE GRN/VIO WIRE GRY/BLK WIRE HIGH HEAT IND HOT AT ALL TIMES LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 9 LOGIC LOW HEAT IND MEDIUM HEAT IND PASSENGER CUSHION/ BACK SWITCH PASSENGER FRONT SEAT BACK HEATER PASSENGER FRONT SEAT CUSHION HEATER RED/BLU WIRE RED/WHT WIRE VIO/WHT WIRE WHT/BLU WIRE WHT/GRY WIRE YEL/GRY WIRE

BLK WIRE DRIVER FRONT SEAT BACK VENTILATION BLOWER DRIVER FRONT SEAT CUSHION VENTILATION BLOWER GRN WIRE GRN/VIO WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED IGN INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC MTR SPD CTRL PASSENGER FRONT SEAT BACK VENTILATION BLOWER PASSENGER FRONT SEAT CUSHION VENTILATION BLOWER POWER DISTRIBUTION SYSTEM VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE