Buick Envision I (2016-2018) red/blu Wiring diagrams

BACKUP LAMP CTRL BATT POS VOLT BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE CAMERA LOW REFERENCE CAMERA SIGNAL 2 COMPUTER DATA LINES SYSTEM DC DC TRANS FUSE DEVICE 2 SWITCHED VOLT GRILLE FRONT VIEW CAMERA GRN/WHT WIRE GRN/YEL WIRE GRY/GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES HUMAN MACHINE INTERFACE CONTROL MODULE INSTRUMENT PANEL FUSE BLOCK LEFT SIDE VIEW CAMERA (AT LEFT OUTSIDE REAR VIEW MIRROR) LOW SPEED GMLAN SERIAL DATA LT BLU WIRE NCA WIRE ORG/ WIRE POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER REAR VIEW CAMERA RED WIRE RED/BLU WIRE RED/GRN WIRE RIGHT SIDE VIEW CAMERA (AT RIGHT OUTSIDE REAR VIEW MIRROR) SIGNAL GROUND SUPPLY VOLTAGE 2 TCM FUSE UNDERHOOD FUSE BLOCK VIDEO PROCESSING CONTROL MODULE VIO/GRY WIRE WHT WIRE WHT/BLU WIRE YEL WIRE

5 VOLT REF A/C COMPRESSOR A/C COMPRESSOR CLUTCH A/C COMPRESSOR SOLENOID VALVE BATT POS BATTERY POSITIVE VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLOWER MOTOR BLOWER MTR SPD CTRL BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/YEL WIRE BLWR MTR BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DATA BUS 9 DEFOGGER SYSTEM DUCT LOWER AUXILIARY AIR TEMPERATURE SENSOR DUCT UPPER AUXILIARY AIR TEMPERATURE SENSOR ELEC VARIABLE DISPLACEMENT CTRL ELEC VARIABLE DISPLACEMENT SPLY GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 1 ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED HUMIDITY SENS SIG HUMIDITY TEMP SENS SIG HVAC BLWR FRT FUSE HVAC BLWR RR FUSE HVAC CONTROL MODULE HVAC FUSE INSIDE AIR TEMP SENS SIG INSTRUMENT PANEL FUSE BLOCK LOGIC LOW SPEED GMLAN SERIAL DATA LOWER AIR TEMP SENS SIG LOWER RIGHT FRONT OF ENGINE) NCA WIRE REAR BLOWER MTR SPD CTRL REAR DEFOG RLY CTRL RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RUN/CRANK IGNITION 1 VOLT SOLAR SENS DRV SIG SOLAR SENS LOW REF SPD CTRL TEMP SENS LOW REF UGDO FUSE UNDERHOOD FUSE BLOCK UPPER AIR TEMP SENS SIG VAR/FUNC FUSE VIO/GRN WIRE VOLT WINDSCREEN TEMP SENS SIG WINDSHIELD TEMPERATURE, INSIDE MOISTURE SENSOR YEL/BLU WIRE YEL/RED WIRE

2.5L 2.0L TURBO AIR OUTLET AMBIENT LIGHT/SUNLOAD SENSOR ANTI-THEFT SYSTEM AUXILIARY HVAC CONTROLS MODULE BATT POS BLK WIRE BLU WIRE BLU/GRY WIRE BUS 9 COOLING FAN MOTOR (2.5L) (REAR OF RADIATOR) DOWN SWITCH GRN WIRE GRN/YEL WIRE GRY WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HVAC RR FUSE LEFT COOLING FAN MOTOR (2.0L TURBO) (REAR OF LEFT SIDE OF RADIATOR) LEFT HEATED LOGIC REAR BODY FUSE BLOCK RED/BLU WIRE RED/BRN WIRE RIGHT COOLING FAN MOTOR (2.0L TURBO) (REAR OF RIGHT SIDE OF RADIATOR) RIGHT HEATED SEAT HIGH SPD SIG SWITCH TEMPERATURE UP SWITCH VENTILATING FAN VOLT WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE YEL/BLU WIRE

AJAR SW SIG BATT POS VOLT BCM 6 FUSE BLK WIRE BODY CONTROL MODULE COMPUTER DATA LINES SYSTEM COURTESY LP SW SIG DC/DC TRANS FUSE DOME LAMP SWITCH DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT ILLUMINATION CIRCUIT INSTRUMENT PANEL COMPARTMENT LAMP INSTRUMENT PANEL COMPARTMENT LAMP SWITCH INTR LP CTRL INADVERTENT PWR CTRL INTR LP DEFEAT SW SIG LED AMBIENT LIGHTING CTRL 1 LOGIC NETWORK BUS 3 NETWORK BUS 4 OFF POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER REAR BODY FUSE BLOCK REAR COMPARTMENT COURTESY LAMP REAR COMPT LID LP CTRL RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE SUPPLY VOLT UNDERHOOD FUSE BLOCK VIO WIRE WHT/BRN WIRE WHT/YEL WIRE YEL WIRE

ACTIVE SAFETY CONTROL MODULE BATT POS VOLT BCM 6 FUSE BLK WIRE BODY CONTROL MODULE CENTER CONSOLE MULTI-FUNCTION SWITCH CLOCK COMPUTER DATA LINES SYSTEM DC/DC TRANS FUSE DRIVER DOOR LOCK SWITCH DRIVER SEAT MEMORY SWITCH DRIVER WINDOW SWITCH GRN/BRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY/GRN WIRE GRY/YEL WIRE HAZARD WARNING SWITCH HDLP OFF SIG CTRL HDLP SW ON SIG HEAD-UP DISPLAY SWITCH HOT AT ALL TIMES IGNITION MODE SWITCH IND DIMMING CTRL HAZARD LED DIMMING SIG INFOTAINMENT FACEPLATE CONTROL MODULE INSTRUMENT PANEL MULTI- FUNCTION SWITCH INTERIOR LIFTGATE CONTROL SWITCH LANE DEPARTURE WARNING LIGHT IND LED BACKLIGHT DIMMING CTRL LED DISABLE SIG LEFT REAR WINDOW SWITCH LIGHTING CTRL SW REF LIGHTING CTRL SW SIG LO SPD GMLAN SERIAL DATA LOGIC LOGIC LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 3 LOGIC LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 4 NETWORK BUS 3 NETWORK BUS 4 OUTSIDE REAR VIEW MIRROR SWITCH PARK ASSIST IND PARK BRAKE SWITCH PARK LP SIG PARKING ASSIST CONTROL MODULE PASSENGER DOOR LOCK SWITCH POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER REAR BODY FUSE BLOCK RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE SUPPLY VOLT UNDERHOOD FUSE BLOCK W/ FORWARD COLLISION SYSTEM W/ MEMORY W/O FORWARD COLLISION SYSTEM W/O MEMORY WARNING IND CTRL WHT WIRE WHT/BRN WIRE WHT/VIO WIRE WINDSHIELD FRONT VIEW CAMERA YEL WIRE

ALERT LED CTRL BATT POS VOLT BCM 6 FUSE BLK WIRE BLU WIRE BODY CONTROL MODULE COLLISION ALERT INDICATORS COMM ENABLE COMPUTER DATA LINES SYSTEM DC DC TRANS FUSE DIMMING CTRL DRIVER INFORMATION CONTROL DISPLAY FRONT VIEW CAMERA WINDSHIELD GAP UP/DOWN SWITCH GRN WIRE GROUND GRY WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPD GMLAN HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 2 ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INDICATOR DIMMING CONTROL INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH LANE DEPARTURE WARNING DISABLE LANE DEPARTURE WARNING DISABLE SWITCH LANE DEPARTURE WARNING IND LANE DEPARTURE WARNING IND CTRL LEFT STEERING WHEEL CONTROLS SWITCH LO SPD GMLAN LOGIC LOGIC INSTRUMENT CLUSTER POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER PRK ASSIST FUSE REAR BODY FUSE BLOCK RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE STEERING WHEEL AIR BAG COIL SW SIG UNDERHOOD FUSE BLOCK UP/DOWN SW SIG VAR/ FUNC FUSE VIO/GRN WIRE VOLT REF W/O HEADUP DISPLAY WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE

AMP FUSE AUDIO AMPLIFIER AUDIO COMMON SIG AUDIO SCREEN 2 AUXILIARY AUDIO INPUT (INSIDE CENTER CONSOLE COMPT) BATT POS VOLT BLK WIRE BLK/YEL WIRE BLU WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM DETECTION SIG DISPLY FUSE ENTERTAINMENT FUSE 37 GRN WIRE GRN/BLU WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 1 ENERGIZED INSTRUMENT PANEL FUSE BLOCK LF SPEAKER (-) CTRL 1 LF SPEAKER SIG (-) 1 LH AUDIO SIG (2) LO SPD GMLAN SER DATA LOGIC MOST CTRL MOST SER DATA (+) N/W SER DATA BUS 10 NCA WIRE ONSTAR FUSE RADIO REAR BODY FUSE BLOCK RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE REMOTE ENABLE SIG REMOTE ENABLE SW RF SPEAKER (-) CTRL 1 RF SPEAKER SIG (-) 1 RH AUDIO SIG (2) STEERING WHEEL AIR BAG COIL STR/WHL/ CNTRL FUSE UGDO FUSE USB USB BK USB GY VIO WIRE VOICE LOW REF VOICE SIG W/ PREMIUM 6 SPEAKER SYSTEM W/ PREMIUM AUDIO BRANDED AMPLIFIER SPEAKER SYSTEM WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE

AUDIO LO REF AUDIO SIG + BATT POS VOLT BLK WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BRN WIRE BRN/BLU WIRE CAMERA SIG 2 CELL COAX COMMUNICATION ENABLE COMPUTER DATA LINES SYSTEM DATA BUS 10 DATA BUS 5 GPS GPS/CELL 2 GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY/VIO WIRE GRY/YEL WIRE HI SPD GMLAN HI SPD GMLAN SER DATA - HUMAN MACHINE INTERFACE CONTROL MODULE (UNDER RIGHT SIDE OF INSTRUMENT PANEL) INFOTAINMENT FACEPLATE CONTROL MODULE LEFT FRONT DOOR SPEAKER LO REF LO SPD GMLAN LOGIC LOW REF MOST CTRL MOST SER DATA (+) N/W SER N/W SER DATA BUS 5 NAVIGATION DISPLAY SIG NAVIGATION SYSTEM NCA WIRE REAR VIEW CAMERA CIRCUIT RED/BLU WIRE RED/YEL WIRE RIGHT FRONT DOOR SPEAKER SER DATA SER DATA (+) 9 SIG TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE USB USB SER DATA VOICE LOW REF VOICE RECOGNITION VOICE SIG W/ PREMIUM AUDIO BRANDED, AMPLIFIER SPEAKER SYSTEM WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE

BATT POS VOLT BLK WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE CENTER INSTRUMENT PANEL SPEAKER COAX COMPUTER DATA LINES SYSTEM CTRL 2 DATA BUS 12 DOWN GRN WIRE GRN/BLK WIRE HANG UP SWITCH IND DIMMING LEFT LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER SPEAKER LEFT STEERING WHEEL CONTROLS SWITCH N/W SER PHONE SW RED/BLU WIRE RIGHT RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT STEERING WHEEL CONTROLS SWITCH LOGIC SEEK DOWN SEEK UP SEL STEERING WHEEL HEATING CONTROL MODULE SW LED CTRL VIO/BRN WIRE VOICE COMMAND VOICE RECOGNITION SWITCH VOL (-) W/ PREMIUM AUDIO BRANDED, AMPLIFIER SPEAKER SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/WHT WIRE

B+ VOLT BATT POS VOLT BCM 6 FUSE BLK WIRE BLK/GRY WIRE BLU WIRE BODY CONTROL MODULE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM DAT BUS 1 DC/DC TRANS FUSE DRIVER INFORMATION CENTER DISPLAY FRT WPR FUSE GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/WHT WIRE GRY WIRE HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES IND CTRL INSTRUMENT CLUSTER LOGIC MTR PARK SW SIG N/W SER N/W SER BUS 12 NCA WIRE POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER RAIN SENSOR MODULE REAR BODY FUSE BLOCK REAR WIPER SW SIG RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RLY COIL CTRL RLY CTRL SW HIGH SIG UNDERHOOD FUSE BLOCK VIO WIRE WASHER SW SIG WHT WIRE WHT/BLK WIRE WHT/VIO WIRE WINDSHIELD WIPER MOTOR WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY WIPER SW HIGH SIG WIPER SW LO SIG WIPER SW LOW REF YEL WIRE YEL/BLU WIRE YEL/BRN WIRE