Buick LaCrosse III (2016-2019) (behind left rear seat) Wiring diagrams

AUXILIARY HVAC CONTROL MODULE LOGIC BLU/GRN WIRE BLU/GRY WIRE COMM ENABLE DATA DATA BUS 2 DATA BUS 5 DK BLU WIRE DK BLU/VIO WIRE DK BLU/YEL WIRE DK GRN/DK BLU WIRE DK GRN/WHT WIRE DK GRN/YEL WIRE FRONT SEAT HEATING CONTROL MODULE GRN/BLU WIRE GRY/GRN WIRE GRY/LT GRN WIRE GRY/VIO WIRE HI SPD GMLAN HI SPD GMLAN SERIAL DATA (-) (2) HUMAN MACHINE INTERFACE CONTROL MODULE (RIGHT SIDE OF DASH) HVAC CONTROL MODULE HVAC CONTROLS LOGIC INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE LIN SERIAL LIN SERIAL DATA BUS 9 LOW SPD GMLAN LOW SPD GMLAN SERIAL DATA LT GRN WIRE MOST CONTROL MOST SERIAL REAR SEAT HEATING CONTROL MODULE SERIAL DATA SERIAL DATA (-) 9 SERIAL DATA 2 SERIAL DATA COMM ENABLE VIO/YEL WIRE W/ AMPLIFIER W/ RADIO INFOTAINMENT SYSTEM W/O RADIO INFOTAINMENT SYSTEM W/O AMPLIFIER WHT WIRE WHT/DK BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE

BATTERY POSITIVE VOLT BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BUS 2 COMPUTER DATA LINES SYSTEM CUSHION IND DRIVER SEAT CUSHION SWITCH DRIVER SEAT HEAT SWITCH DRIVER VENTILATED SEAT SWITCH DRV HEATED BACK NTC SIG FUSE 21 FUSE 22 GRN/BLU WIRE GRN/VIO WIRE GRY WIRE GRY/GRN WIRE HEAT IND HOT AT ALL TIMES IND INTERCONNECT LEFT REAR BACK SEAT HEATING ELEMENT LEFT REAR CUSHION SEAT HEATING ELEMENT LINEAR LOCAL INTERCONNECT NETWORK BUS 2 LOGIC LR CUSHION CLIMATE NTC RETURN LR HEATED SEAT CUSHION ELEMENT RETURN LR SEAT CLIMATE NTC RETURN LR SEAT CLIMATE NTC SIG MEDIUM NCA WIRE NETWORK ORG/BRN WIRE ORG/VIO WIRE PASS HEATED BACK NTC SIG PASS HEATED SEAT NTC SIG PASSENGER PASSENGER SEAT CUSHION SWITCH PASSENGER SEAT HEAT SWITCH PASSENGER VENTILATED SEAT SWITCH PPL PPL LR HEATED SEAT CUSHION ELEMENT SPLY VOLT REAR BODY FUSE BLOCK REAR SEAT HEATING CONTROL MODULE RED/WHT WIRE RED/YEL WIRE RIGHT REAR BACK SEAT HEATING ELEMENT RIGHT REAR CUSHION SEAT HEATING ELEMENT RR CUSHION CLIMATE NTC RETURN RR HEATED SEAT CUSHION ELEMENT RETURN RR HEATED SEAT CUSHION ELEMENT SPLY CTRL RR SEAT CLIMATE NTC RETURN SEAT HEAT SEAT HEAT IND SEAT IND SEAT) VENTILATION VIO/WHT WIRE WHT WIRE YEL WIRE