Buick LaCrosse III (2016-2019) (in passenger's seat cushion harness) Wiring diagrams

2 WAY ACTIVE NOISE CANCELLATION MODULE AIR QUALITY SENSOR AUDIO AMPLIFIER BLK WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SWITCH CHASSIS CONTROL MODULE DRIVER BACK SEAT BLOWER MOTOR DRIVER CUSHION SEAT BLOWER MOTOR DRIVER LEFT REAR SEAT HAPTIC MOVEMENT MOTOR DRIVER RIGHT REAR SEAT HAPTIC MOVEMENT MOTOR DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT LUMBAR SUPPORT PUMP DRIVER SEAT LUMBAR SUPPORT VALVE ASSEMBLY DRIVER SEATBACK VIDEO DISPLAY DRIVER WINDOW MOTOR DRIVER WINDOW/ OUTSIDE REAR VIEW MIRROR SWITCH FRONT SEAT HEATING CONTROL MODULE FRONT VIEW CAMERA HEADLAMP CONTROL MODULE HOOD AJAR SWITCH INSIDE REAR VIEW MIRROR KEYLESS ENTRY CONTROL MODULE LEFT REAR WINDOW SWITCH NCA WIRE PASSENGER BACK SEAT BLOWER MOTOR PASSENGER CUSHION SEAT BLOWER MOTOR PASSENGER SEAT ADJUSTER SWITCH PASSENGER SEAT LUMBAR SUPPORT PUMP PASSENGER SEAT LUMBER SUPPORT VALVE ASSEMBLY PASSENGER SEATBACK VIDEO DISPLAY PASSENGER WINDOW MODULE PASSENGER WINDOW SWITCH RAIN/ AMBIENT LIGHT SENSOR MODULE REAR AUDIO CONTROL MODULE RIGHT REAR WINDOW SWITCH SEAT MEMORY CONTROL MODULE W/ BRAKE PREFILL INTEGRATED BRAKE ASSIST W/ DIRECTIONAL CONTROL W/ MEMORY W/O BRAKE PREFILL INTEGRATED BRAKE ASSIST W/O DIRECTIONAL CONTROL W/O MEMORY W/ MEMORY W/ EXPRESS UP/DOWN W/ EXPRESS DOWN

CANISTER VENT SOL FUSE DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT LUMBAR SUPPORT PUMP DRIVER SEAT MASSAGE SWITCH DRVR PWR SEAT FUSE EVAPORATIVE EMISSION VENT SOLENOID VALVE FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 8) FROM HEADLAMP HIGH BEAM RELAY (DIAGRAM 2 OF 8) FRONT FOG LAMP RELAY FRONT SEAT HEATING CONTROL MODULE FRT HEATED SEAT FUSE FUSE 1 FUSE 10 FUSE 11 FUSE 12 FUSE 13 FUSE 14 FUSE 15 FUSE 16 FUSE 17 FUSE 18 FUSE 19 FUSE 2 FUSE 21 FUSE 22 FUSE 24 FUSE 25 FUSE 26 FUSE 27 FUSE 28 FUSE 3 FUSE 31 FUSE 33 FUSE 34 FUSE 35 FUSE 38 FUSE 39 FUSE 4 FUSE 40 FUSE 41 FUSE 42 FUSE 5 FUSE 6 FUSE 7 FUSE 8 FUSE 9 PASSENGER SEAT LUMBAR SUPPORT PUMP PASSENGER SEAT MASSAGE SWITCH REAR SEAT HEATING CONTROL MODULE RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/LT GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE SEAT MEMORY CONTROL MODULE SUNROOF FUSE SUNROOF MOTOR W/ FRONT SEAT HEATER W/ MASSAGE SEAT CONTROL W/ MASSAGE SEAT CONTROL, FRONT SEAT HEATER

BLK WIRE BLK/ORG WIRE BRN/ORG WIRE BRN/WHT WIRE DK BLU WIRE DK GRN/ORG WIRE DRIVER SEAT BELT ANCHOR PRETENSIONER DRIVER SEAT BELT RETRACTOR PRETENSIONER DRIVER SEAT BELT SWITCH DRIVER SEAT BELT BUCKLE DRIVER SEAT SIDE AIR BAG DRV ANCHOR PRETEN LO CTRL DRV SEAT BELT LO REF DRV SEAT BELT SWITCH SIG DRV SEAT HI CTRL DRV SEAT LO CTRL DRV SIDE IMPACT MOD HI CTRL DRV SIDE IMPACT MOD LO CTRL GRN/ORG WIRE GRY/ORG WIRE HOT AT ALL TIMES INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE LEFT REAR SEAT SIDE AIR BAG LF DISCRIMINATING SENS SIG LF HEAD MOD HI CTRL LF HEAD MOD LO CTRL LF SIDE IMPACT MOD LO REF LF SIDE IMPACT MOD SIG LF SNSR LO REF LH MID SIDE IMPACT MOD LO REF LH MID SIDE IMPACT MOD SIG LR SIDE IMPACT SPLY VOLT NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/BLU WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/GRY WIRE ORG/VIO WIRE ORG/WHT WIRE ORG/YEL WIRE PASS ANCHOR PRETEN HI CTRL PASS ANCHOR PRETEN LOW CTRL PASS SEAT BELT LO REF PASS SEAT BELT REMINDER SIG PASS SEAT BELT SWITCH SIG PASS SEAT HI CTRL PASS SEAT LO CTRL PASS SIDE IMPACT MOD HI CTRL PASS SIDE IMPACT MOD LO CTRL PASSENGER PRESENCE SENSOR PASSENGER SEAT BELT BUCKLE PASSENGER SEAT BELT SWITCH RED/DK BLU WIRE RF DISCRIMINATING SENS SIG RF HEAD HI CTRL RF HEAD LO CTRL RF SIDE IMPACT MOD LO REF RF SIDE IMPACT MOD SIG RF SNSR LO REF RH MID SIDE IMPACT MOD LO REF RH MID SIDE IMPACT MOD SIG RIGHT REAR SEAT SIDE AIR BAG RIGHT ROOF RAIL AIR BAG (RIGHT EDGE OF ROOF, ABOVE DOOR OPENINGS) SADS FUSE SHORTING BAR UNDERHOOD FUSE BLOCK VIO/ORG WIRE WHT/ORG WIRE YEL/ORG 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