Buick LaCrosse III (2016-2019) vio/wht Wiring diagrams

BLK WIRE DRIVER SEAT LUMBAR SUPPORT PUMP DRIVER SEAT LUMBAR SUPPORT SWITCH DRIVER SEAT LUMBAR SUPPORT VALVE ASSEMBLY DRIVER SEAT MASSAGE SWITCH DRIVER SEAT MASSAGE VALVE ASSEMBLY FRT HEATED SEAT FUSE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LOGIC ORG/BLK WIRE POWER DISTRIBUTION SYSTEM RED/VIO WIRE RVC/ VENT FUSE UNDERHOOD FUSE BLOCK VIO/WHT WIRE WHT WIRE YEL/BLK WIRE

BATTERY POSITIVE VOLT BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DRIVER BACK SEAT HEATING ELEMENT DRIVER CUSHION SEAT HEATING ELEMENT DRV HEATED BACK NTC SIG DRV HEATED SEAT ELEMENT SPLY CTRL DRV HEATED SEAT NTC LOW REF DRV HEATED SEAT NTC SIG DRV SEAT HEADREST MOTOR FORWARD CTRL DRV SEAT VENT MOTOR CTRL 1 FRONT SEAT HEATING CONTROL MODULE FRT HEATED SEAT FUSE GRN/BLU WIRE GRN/VIO WIRE GROUND GRY/BLK WIRE HOT AT ALL TIMES LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 2 NCA WIRE PASS HEATED BACK NTC LOW REF PASS HEATED BACK NTC SIG PASS HEATED SEAT ELEMENT RETURN PASS HEATED SEAT ELEMENT VOLT PASS HEATED SEAT NTC LOW REF PASS HEATED SEAT NTC SIG PASS SEAT VENT MOTOR CTRL 1 PASSENGER BACK SEAT HEATING ELEMENT PASSENGER CUSHION SEAT HEATING ELEMENT POWER DISTRIBUTION SYSTEM RED/BLU WIRE RED/VIO WIRE UNDERHOOD FUSE BLOCK VIO/WHT WIRE WHT/BLU WIRE WHT/GRY WIRE YEL/GRY WIRE

BLK WIRE COMPUTER DATA LINES SYSTEM DRIVER HEATED SEAT SWITCH DRV SEAT VENT MOTOR CTRL 1 GRN/VIO WIRE GROUND HOT W/ IGNITION MAIN RELAY ENERGIZED HVAC CONTROLS LEFT HIGH HEAT IND LEFT LOW HEAT IND LEFT MED HEAT IND LOGIC LOGIC DRIVER BACK SEAT BLOWER MOTOR LOGIC DRIVER CUSHION SEAT BLOWER MOTOR LOW SPEED GMLAN SERIAL DATA LT GRN WIRE NCA WIRE PASS SEAT VENT MTR CNTRL (1) PASSENGER BACK SEAT BLOWER MOTOR PASSENGER CUSHION SEAT BLOWER MOTOR PASSENGER HEATED SEAT SWITCH POWER DISTRIBUTION SYSTEM RIGHT HIGH HEAT IND RIGHT LOW HEAT IND RIGHT MED HEAT IND RUN/CRANK IGN 1 VOLT RVC/VENT FUSE UNDERHOOD FUSE BLOCK VIO/WHT WIRE

BATT POSITIVE VOLT BLK WIRE BLK/BLU WIRE BLK/DK BLU WIRE BLK/GRN WIRE BLU WIRE BLU/GRN WIRE BLU/YEL WIRE BRN/YEL WIRE COMMON CTRL COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DK BLU/DK GRN WIRE DK GRN/WHT WIRE GRN/BLK WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/GRN WIRE LH (-) RH (+) SIG LIN DATA BUS 8 LOGIC LOW REF LOW SPEED GMLAN SERIAL DATA LIN BUS 8 LT GRN WIRE MEM SEAT SW SET SIG MEM SEAT SW SIG (1) MEM SW LOW REF NAVIGATION SYSTEM PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR COURTESY LAMP PASSENGER OUTSIDE REAR VIEW MIRROR GLASS PASSENGER OUTSIDE REAR VIEW MIRROR MOTOR PASSENGER SIDE OBJECT DETECTION INDICATOR PASSENGER WINDOW SWITCH RED/BLU WIRE RH (+) LH (-) CTRL RIGHT TURN SIGNAL REPEATER LAMP SEAT MEMORY CONTROL MODULE UP (+) DOWN (-) CTRL UP DOWN SIG VIO/WHT WIRE WHT WIRE YEL/RED WIRE YEL/VIO WIRE

BLK WIRE BLU WIRE FRT HEATED SEAT FUSE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LOGIC PASSENGER SEAT LUMBAR SUPPORT PUMP PASSENGER SEAT LUMBAR SUPPORT SWITCH PASSENGER SEAT LUMBAR SUPPORT VALVE ASSEMBLY PASSENGER SEAT MASSAGE SWITCH PASSENGER SEAT MASSAGE VALVE ASSEMBLY RED/BLU WIRE RVC/ VENT FUSE UNDERHOOD FUSE BLOCK VIO/WHT WIRE WHT/GRY WIRE YEL/GRN WIRE

2 WAY 8 WAY AIR QUALITY SENSOR BLU WIRE CHASSIS CONTROL MODULE COLLISION ALERT INDICATORS DK BLU WIRE DRIVER BACK SEAT BLOWER MOTOR DRIVER CUSHION SEAT BLOWER MOTOR DRIVER SEAT LUMBAR SUPPORT PUMP DRIVER SEAT LUMBAR SUPPORT SWITCH DRIVER WINDOW/ OUTSIDE REAR VIEW MIRROR SWITCH ELECTRONIC BRAKE CONTROL MODULE FROM EBOOST/ COOL FAN LT FUSE (DIAGRAM 2 OF 8) FROM IGNITION MAIN RELAY (DIAGRAM 8 OF 8) FUEL PUMP DRIVER CONTROL MODULE HEADLAMP SWITCH HVAC CONTROL MODULE INSIDE REAR VIEW MIRROR INSTRUMENT CLUSTER IP BODY IGN FUSE MIL SS FUSE NCA WIRE PASSENGER BACK SEAT BLOWER MOTOR PASSENGER CUSHION SEAT BLOWER MOTOR PASSENGER SEAT LUMBAR SUPPORT PUMP PASSENGER SEAT LUMBAR SUPPORT SWITCH PASSENGER WINDOW SWITCH PNK WIRE REAR VIEW CAMERA REAR WINDOW SUNSHADE MODULE RED WIRE RED/BLU WIRE RED/DK BLU WIRE RVC/VENT FUSE SEAT MEMORY CONTROL MODULE TRANSMISSION RANGE CONTROL MODULE UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE W/ DRIVER MASSAGE SEAT CONTROL, FRONT SEAT HEATER W/ EXPRESS UP/DOWN W/ FRONT SEAT HEATER W/ LIGHT SENSITIVE MIRROR W/ MASSAGE SEAT CONTROL W/ PASSENGER MASSAGE SEAT CONTROL, FRONT SEAT HEATER WNDW MIR SEAT FUSE

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

AIR BAG IND AIR BAG OFF IND AIR BAG ON IND BLK WIRE BLU WIRE BRN/ORG WIRE COMPUTER DATA LINES SYSTEM DK BLU/YEL WIRE DRIVER KNEE AIR BAG DRV KNEE MOD HI CTRL DRV KNEE MOD LO CTRL FRONT OVERHEAD CONSOLE ASSEMBLY GRN WIRE GRY WIRE GRY/LT GRN WIRE GRY/ORG WIRE INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT CLUSTER LO REF LO SPD GMLAN LOGIC LOW SPD GMLAN SERIAL DATA LOW SPEED GMLAN SERIAL DATA LT GRN WIRE MOD STAGE 1 HI MOD STAGE 1 LO MOD STAGE 2 HI MOD STAGE 2 LO ORG/ WIRE ORG/BLU WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/VIO WIRE ORG/WHT WIRE PASS KNEE MOD LO CTRL PASS STAGE 1 HI PASS STAGE 1 LO PASS STAGE 2 HI PASS STAGE 2 LO PASSENGER AIR BAG DISABLED INDICATOR PASSENGER KNEE AIR BAG PASSENGER PRESENCE MODULE PASSENGER SEAT BELT TENSION SENSOR RED WIRE RED/DK BLU WIRE RED/GRN WIRE SEAT BELT IND SEAT BELT IND PASS AIR BAG ON IND PASS AIR BAG OFF IND SEAT BELT ON IND SENS SIG SERIAL DATA SHORTING BAR STEERING WHEEL AIR BAG COIL VIO WIRE VIO/WHT WIRE WHT WIRE WHT/DK BLU WIRE WHT/ORG WIRE YEL WIRE YEL/ORG WIRE

AUTO BATT POS VOLT BLK WIRE BODY CONTROL MODULE (UNDER FLOOR CONSOLE) BRAKE WARNING IND COMPUTER DATA LINES SYSTEM DATA BUS 3 DATA BUS 4 DK BLU WIRE DK GRN/GRY WIRE DK GRN/YEL WIRE DRIVER INFORMATION CENTER DISPLAY FRONT OVERHEAD CONSOLE ASSEMBLY FUSE 18 GRN WIRE GROUND GRY WIRE GRY/LT GRN WIRE HDLP OFF SIG CTRL HDLP SW ON SIG HDLP SW PARK LAMP SIG HEAD HEADLAMP SWITCH HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LOGIC LOW SPD GMLAN SER DATA 2 LR DR AJAR SW SIG OFF OFF HEAD PARK PARK AUTO PASSENGER AIR BAG DISABLED INDICATOR PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW MOTOR RED/GRY WIRE RF DR AJAR SW SIG SEAT BELT IND SEAT BELT ON IND TIRE PRESSURE IND VIO WIRE VIO/WHT WIRE WHT WIRE

BLK WIRE BLK/ORG WIRE BLU/BLK WIRE BLU/VIO WIRE BRAKE FLUID LEVEL SWITCH BRK FLUID LEVEL SENS SIG BRN WIRE COMPUTER DATA LINES SYSTEM DATA BUS 3 DATA BUS 4 DK BLU WIRE DK GRN/GRY WIRE DK GRN/YEL WIRE DRIVER DOOR LATCH ASSEMBLY DRIVER SEAT BELT BUCKLE DRIVER SEAT BELT SWITCH DRIVER WINDOW MOTOR DRV SEAT BELT LOW REF DRV SEAT BELT SW SIG ELECTRONIC BRAKE CONTROL MODULE (LEFT REAR OF ENGINE COMPT) GRY WIRE GRY/RED WIRE HI SPD GMLAN SER DATA (+) 1 INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE LF DR AJAR SW SIG LOGIC LOW SPD GMLAN SER DATA LT GRN WIRE NCA WIRE ORG/BRN WIRE ORG/VIO WIRE PARK BRAKE CONTROL SWITCH PARK BRK APPLY SW SIG PARK BRK REL SW SIG PARK BRK REL SW VOLT REF PARK BRK SW SIG PARK BRK SW VOLT REF PASS SEAT BELT LOW REF PASS SEAT BELT SW SIG PASSENGER SEAT BELT BUCKLE PASSENGER SEAT BELT SWITCH PRK BRK SW SPLY VOLT RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RR DR AJAR SW SIG SEAT BELT IND PASS AIR BAG SUPPLEMENTAL RESTRAINTS SYSTEM VIO/WHT WIRE WHT WIRE YEL WIRE YEL/RED WIRE