Buick LaCrosse II facelift (2013-2016) yel/blu Wiring diagrams

6102 193 INSIDE AIR TEMP SENS LOW REF REAR DEFOG RLY CTRL A/C A/C COMPRESSOR COMPRESSOR SOLENOID VALVE CLUTCH A/C COMPRESSOR (RIGHT FRONT CORNER OF ENGINE) BLK WIRE BLK/BLU WIRE BLOWER MTR SPD CTRL BLU WIRE BRN/LT GRN WIRE BRN/VIO WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COOLING FAN HIGH SPEED RELAY COOLING FAN LOW SPEED RELAY COOLING FAN SPEED CONTROL RELAY DEFOGGER IND DEFOGGER SWITCH DEFOGGER SYSTEM DK BLU WIRE DK BLU/LT GRN WIRE FUSE FUSE 42 FUSE 53 FUSE 54 GRN WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED HVAC CONTROL MODULE LEFT COOLING FAN DIODE LINEAR INTERCONNECT NETWORK BUS 9 LOGIC LOW SPEED COOLING FAN DIODE LT GRN DK BLU/ WIRE LT GRN/VIO WIRE NCA WIRE RED/VIO WIRE RED/WHT WIRE SOLAR SENS DRV SIG UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE W/O ONSTAR WHT WIRE WHT/BLU WIRE YEL BLU/ WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE

A/C COMPRESSOR CLUTCH RELAY A/C EVAPORATOR TEMPERATURE SENSOR (RIGHT SIDE ON HVAC MODULE) AUXILIARY HEATER COOLANT PUMP RELAY BATT POS VOLT BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLOWER MTR SPD CTRL BLOWER MTR SPLY VOLT BLU WIRE BRN/LT GRN WIRE BRN/YEL WIRE DK BLU WIRE DUCT LEFT LOWER AIR TEMPERATURE SENSOR (LEFT SIDE OF HVAC CONTROL MODULE) DUCT LEFT UPPER AIR TEMPERATURE SENSOR (LEFT SIDE OF HVAC MODULE) DUCT RIGHT LOWER AIR TEMPERATURE SENSOR (BEHIND HVAC CONTROL MODULE) DUCT RIGHT UPPER AIR TEMPERATURE SENSOR (RIGHT SIDE OF HVAC MODULE) ENGINE COOLANT TEMPERATURE SENSOR (ABOVE STARTER MOTOR) FT BLOWER MTR RTN FUSE FUSE 2 FUSE 3 GRY WIRE GRY/GRN WIRE HEATER COOLANT PUMP HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HVAC/ CNTRL FUSE IPC FUSE LT GRN/VIO WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/VIO WIRE RED/WHT WIRE TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) VIO WIRE VIO/BLK WIRE VIO/GRY WIRE WHT/GRY WIRE WHT/VIO WIRE YEL/BLU WIRE

BLK WIRE BRN/WHT WIRE GROUND HEATED STEERING WHEEL IND HEATED STEERING WHEEL SWITCH HOT W/ IGNITION MAIN RELAY ENERGIZED HTD WHEEL FUSE IGN LEFT STEERING WHEEL CONTROLS SWITCH RED WIRE RIGHT STEERING WHEEL CONTROLS SWITCH SENSOR SIG STEERING COLUMN FUSE HOLDER STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATER STEERING WHEEL HEATING CONTROL MODULE (INSIDE STEERING WHEEL) SW LED CTRL SW SIG UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) VIO/BLU WIRE VIO/BRN WIRE VOLT REF WHT/YEL WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/RED WIRE

BLK WIRE BLK/BLU WIRE BLU/GRN WIRE BLU/VIO WIRE BRN WIRE BRN/VIO WIRE BRN/WHT WIRE DOWN DOWN FWD DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT LUMBAR SUPPORT PUMP DRIVER SEAT MEMORY SWITCH GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRY/BLK WIRE GRY/GRN WIRE MEM MEM SEAT SW SET SIG MEM SW LOW REF MEM SEAT SW SIG (1) RED/YEL WIRE RIGHT REAR HAPTIC SEAT MTR CTRL LEFT REAR HAPTIC SEAT MTR CTRL RWD RWD UP USED) VERTICAL MTR POS SNSR SIG RECLINE MTR POS SNSR SIG VIO WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/WHT WIRE

1 2 BATTERY POSITIVE VOLTAGE BATTERY POSITIVE VOLTAGE B+ FWD BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER SEAT FRONT VERTICAL MOTOR (UNDER RIGHT FRONT CORNER OF DRIVER SEAT) DRIVER SEAT HORIZONTAL MOTOR (UNDER DRIVER'S SEAT) DRIVER SEAT LUMBAR SUPPORT VALVE ASSEMBLY DRIVER SEAT REAR VERTICAL MOTOR (UNDER RIGHT REAR CORNER OF DRIVER SEAT) DRIVER SEAT RECLINE MOTOR (LOWER RIGHT SIDE OF DRIVER SEAT BACK) DRVR/SEAT CIRCUIT BREAKER FRONT VERTICAL MTR DWN CTRL FRONT VERTICAL MTR UP CTRL GRN WIRE GRN/BRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE HORIZONTAL MTR FORWARD CTRL HORIZONTAL MTR REARWARD CTRL HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) LINEAR INTERCONNECT NETWORK BUS 8 LOGIC LOW SPEED GMLAN SERIAL DATA 1 2 3 4 5 6 MEM ST FUSE REAR VERTICAL MTR DOWN CTRL REAR VERTICAL MTR UP CTRL RECLINE MTR FORWARD CTRL RECLINE MTR REARWARD CTRL RED/GRN WIRE RED/YEL WIRE RWD DN UP SEAT MEMORY CONTROL MODULE (UNDER DRIVER'S SEAT) UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/WHT WIRE

1 2 SERIAL DATA (-) SERIAL DATA (+) AM/FM AUX AUDIO COM SIG AUX DET SIG BATT + BLK WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE BUS 12 COAX COMPUTER DATA LINES SYSTEM CTRL GMLAN SERIAL DATA GRN WIRE GRN/BLU WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/VIO WIRE HANG UP IND DIMMING INSTRUMENT CLUSTER LED CTRL LEFT STEERING WHEEL CONTROLS SWITCH LOGIC LOW REF MOST CTRL NCA WIRE NETWORK NETWORK BUS 10 ORG/ WIRE ORG/VIO WIRE PNK 10 4 5 6 WIRE PNK WIRE RADIO RED/BLU WIRE RED/VIO WIRE RIGHT RIGHT STEERING WHEEL CONTROLS SWITCH SEEK + MUTE SEEK+ VOL+ SERIAL DATA SIG SOURCE SPEAK SIG STEERING STEERING WHEEL AIR BAG COIL VIO WIRE VOICE LEFT VOICE SIG VOL (-) WHEEL SW WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

1 2 SERIAL DATA (-) SERIAL DATA (+) AM/FM AUX AUDIO COM SIG AUX DET SIG BATT + BLK WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/DK BLU WIRE BRN/WHT WIRE BUS 12 COAX COAX 1 2 3 4 5 6 7 8 9 COMPUTER DATA LINES SYSTEM CTRL DK BLU WIRE DK BLU/BLK WIRE GMLAN SERIAL DATA GRN WIRE GRN/BLU WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/VIO WIRE HANG UP IND DIMMIMG INSTRUMENT CLUSTER LED CTRL LEFT STEERING WHEEL CONTROLS SWITCH LOGIC LOW REF LT FT SPKR 1+ LT FT SPKR SIG 1- LT GRN WIRE LT GRN/BLK WIRE LT RR SPKR LT RR SPKR SIG - MOST CTRL NCA WIRE NETWORK NETWORK BUS 10 ORG/ WIRE ORG/VIO WIRE PNK 10 4 5 6 WIRE PNK WIRE RADIO RED/BLU WIRE RED/VIO WIRE RIGHT RIGHT STEERING WHEEL CONTROLS SWITCH RT FT SPKR 1+ RT FT SPKR SIG 1- RT RR SPKR RT RR SPKR SIG - SEEK SEEK+ VOL+ SERIAL DATA SIG SOURCE MUTE SPEAK SIG STEERING STEERING WHEEL AIR BAG COIL VIO WIRE VOICE LEFT VOICE SIG VOL (-) WHEEL SW WHT WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

1 2 3 4 5 6 7 8 LEFT REAR CORNER OBJECT SENSOR LEFT REAR MIDDLE OBJECT SENSOR 1 2 3 4 5 6 7 B+ 8 9 10 11 12 REAR PARK ASSIST DISABLE SIGNAL BLK WIRE BLK/GRY WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DIM CTRL GRN WIRE GRN/BRN WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL MULTI-FUNCTION SWITCH 2 LEFT MIDDLE REAR OBJECT SENSOR (LEFT SIDE OF REAR BUMPER) LEFT OUTER REAR OBJECT SENSOR (LEFT SIDE OF REAR BUMPER) LOW REFERENCE LOW SPEED GMLAN SERIAL DATA GROUND OBST DETCT FUSE PARKING ASSIST CONTROL MODULE (CENTER OF REAR PACKAGE SHELF) PARKING ASSIST ON/OFF SWITCH RED/GRN WIRE RIGHT MIDDLE REAR OBJECT SENSOR (RIGHT SIDE OF REAR BUMPER) RIGHT OUTER REAR OBJECT SENSOR SUPPLY VOLT UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) WHT WIRE YEL WIRE YEL/BLU WIRE YEL/VIO WIRE YEL/WHT WIRE

1 2 SERIAL DATA (-) SERIAL DATA (+) AM/FM AUX AUDIO COM SIG AUX DET SIG BATT + BLK WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE BUS 12 COAX COMPUTER DATA LINES SYSTEM CTRL GMLAN SERIAL DATA GRN WIRE GRN/BLU WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/VIO WIRE HANG UP IND DIMMING INSTRUMENT CLUSTER LED CTRL LEFT STEERING WHEEL CONTROLS SWITCH LOGIC LOW REF MOST CTRL NCA WIRE NETWORK NETWORK BUS 10 ORG/ WIRE ORG/VIO WIRE PNK 10 4 5 6 WIRE PNK WIRE RADIO RED/BLU WIRE RED/VIO WIRE RIGHT RIGHT STEERING WHEEL CONTROLS SWITCH SEEK + MUTE SEEK+ VOL+ SERIAL DATA SIG SOURCE SPEAK SIG STEERING STEERING WHEEL AIR BAG COIL VIO WIRE VOICE LEFT VOICE SIG VOL (-) WHEEL SW WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

1 2 SERIAL DATA (-) SERIAL DATA (+) AM/FM AUX AUDIO COM SIG AUX DET SIG BATT + BLK WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/DK BLU WIRE BRN/WHT WIRE BUS 12 COAX COAX 1 2 3 4 5 6 7 8 9 COMPUTER DATA LINES SYSTEM CTRL DK BLU WIRE DK BLU/BLK WIRE GMLAN SERIAL DATA GRN WIRE GRN/BLU WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/VIO WIRE HANG UP IND DIMMING INSTRUMENT CLUSTER LED CTRL LEFT STEERING WHEEL CONTROLS SWITCH LOGIC LOW REF LT FT SPKR 1+ LT FT SPKR SIG 1- LT GRN WIRE LT GRN/BLK WIRE LT RR SPKR LT RR SPKR SIG - MOST CTRL NCA WIRE NETWORK NETWORK BUS 10 ORG/ WIRE ORG/VIO WIRE PNK 10 4 5 6 WIRE PNK WIRE RADIO RED/BLU WIRE RED/VIO WIRE RIGHT RIGHT STEERING WHEEL CONTROLS SWITCH RT FT SPKR 1+ RT FT SPKR SIG 1- RT RR SPKR RT RR SPKR SIG - SEEK SEEK+ VOL+ SERIAL DATA SIG SOURCE MUTE SPEAK SIG STEERING STEERING WHEEL AIR BAG COIL VIO WIRE VOICE LEFT VOICE SIG VOL (-) WHEEL SW WHT WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE