Buick Envision I (2016-2018) rear body fuse block Wiring diagrams

ACTUATOR LOW REF AMBIENT LIGHT SENS SIG ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES, CRUISE CONTROL, EXTERIOR LIGHTS SYSTEMS ANTI-THEFT SYSTEM BATT POS VOLT BCM 1 FUSE BCM 2 FUSE BCM 3 FUSE BCM 4 FUSE BCM 6 FUSE BCM 7 FUSE BCM 8 FUSE BLK WIRE BLK/BRN WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BRAKE APPLY SENS CTRL BRK APPLY SENS SIG BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC/BRAKE SIG DOOR LOCKS SYSTEM FOG LAMP RLY CTRL FUSE 1 GMLAN SERIAL DATA GMLAN SERIAL DATA (+) 1 RECEIVE SIG GMLAN SERIAL DATA - 1 GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE GRY/YEL WIRE HAZARD LED DIMMING SIG HAZARD SW SIG HDLP HI BEAM RLY CTRL HDLP LOW BEAM RLY CTRL HDLP OFF SIG CTRL HDLP SW ON SIG HDLP SW PARK LP SIG HEADLIGHTS SYSTEM HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES IGN MODE SW ACC LED SIG IGN MODE SW START LED SIG IGN MODE SW VOLT IND DIMMING CTRL INSTRUMENT PANEL FUSE BLOCK LED BACKLIGHT DIMMING CTRL LF TURN SIG LP CTRL LIGHTING CTRL SW SIG LOCK SIG LR TURN SIG LP CTRL NETWORK BUS 4 PARK LP RLY CTRL POWER SUPPLY TRANSFORMER (LOWER CENTER OF INSTRUMENT PANEL) REAR BODY FUSE BLOCK REAR WIPER SW SIG RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RLY CTRL RR STOP LP CTRL SEATS SYSTEM SECURITY INDICATOR CTRL SENS LOW REF SERIAL DATA (+) 1 ACTUATOR CTRL SERIAL DATA (-) (1) STEERING WHEEL HEATER RLY SW HIGH SIG TAP UP/TAP DN SW SIG TRACTION CTRL SW SIG (1) UNLOCK SIG TRANSMISSIONS SYSTEM TRANSMIT SIG UNDERHOOD FUSE BLOCK VIO/BRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/VIO WIRE WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM HEADLIGHTS SYSTEM YEL WIRE YEL/GRN WIRE

AUXILIARY HVAC CONTROL MODULE BATT POS VOLT BLK WIRE BLU WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/YEL WIRE DATA LINK CONNECTOR DLC FUSE FUSE 6 GRN WIRE GRN/YEL WIRE GRY/GRN WIRE HI SPD GMLAN SER DATA (+) 1 HI SPD GMLAN SER DATA (-) 9 HI SPD GMLAN SER DATA - (4) HOT AT ALL TIMES HVAC CONTROL MODULE HVAC CONTROLS INSTRUMENT PANEL FUSE BLOCK LO SPD GMLAN SER DATA LO SPD GMLAN SER DATA 2 LONG RANGE RADAR SENSOR MODULE NETWORK SER DATA BUS 9 REAR BODY FUSE BLOCK RED/GRN WIRE RED/VIO WIRE SER DATA COMM ENABLE SERIAL DATA GATEWAY MODULE STEERING COLUMN LOCK MODULE W/ ADAPTIVE CRUISE CONTROL W/ ELECTRONIC CONTROLS HVAC SYSTEM WHT WIRE WHT/BLU WIRE WHT/GRN WIRE

BLK WIRE BLU WIRE BRN WIRE DOWN DRIVER SEAT LUMBAR SUPPORT PUMP (REAR OF LEFT FRONT SEAT) DRIVER SEAT LUMBAR SUPPORT SWITCH GND RWD GRN WIRE HOT AT ALL TIMES LOGIC NCA WIRE REAR BODY FUSE BLOCK RED WIRE RWD SEAT LUM FUSE VIO WIRE YEL WIRE

BATTERY FUSE BLOCK BCM 6 FUSE BCM 7 FUSE BLK WIRE BLK/BRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/WHT WIRE DRIVER OUTSIDE REAR- VIEW MIRROR FUSE 4 GRN/VIO WIRE GRN/YEL WIRE GROUND DISTRIBUTION SYSTEM GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT FRONT SIDE MARKER LAMP LEFT FRONT TURN SIGNAL LAMP LEFT HEADLAMP ASSEMBLY LEFT LICENSE PLATE LAMP LEFT OUTER STOP LAMP LEFT OUTER TAIL LAMP LEFT PARK DAYTIME RUNNING LAMP LEFT REAR TURN SIGNAL LAMP LEFT TAIL LAMP ASSEMBLY LEFT TURN SIGNAL REPEATER LAMP REAR BODY FUSE BLOCK RED/BRN WIRE RED/GRN WIRE RED/WHT WIRE VIO WIRE VIO/GRY WIRE VIO/WHT WIRE W/ HIGH INTENSITY DISCHARGE W/O HIGH INTENSITY DISCHARGE WHT WIRE WHT/YEL WIRE

BATTERY FUSE BLOCK BLK WIRE BLU WIRE BODY CONTROL MODULE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE 4 HEATED STEERING WHEEL IND HEATED STEERING WHEEL SWITCH HIGH CTRL HIGH SPD GMLAN SER DATA (-) 1 HOT AT ALL TIMES HTD/STR/ WHL FUSE INDICATOR DIMMING CTRL 2 LEFT STEERING WHEEL CONTROLS SWITCH LOGIC REAR BODY FUSE BLOCK RED/GRN WIRE RIGHT STEERING WHEEL CONTROLS SWITCH RUN IGN 3 RUN IGNITION 3 VOLTAGE SENS SIG STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATER STEERING WHEEL HEATER RELAY STEERING WHEEL HEATING CONTROL MODULE SW LED CTRL SW SIG VIO/BLU WIRE VIO/BRN WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/YEL WIRE YEL WIRE

BLK WIRE BLU/VIO WIRE BLU/YEL WIRE DOWN GRN/BRN WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES PASS PWR SEAT CIRCUIT BREAKER PASSENGER SEAT ADJUSTER SWITCH PASSENGER SEAT FRONT VERTICAL MOTOR PASSENGER SEAT HORIZONTAL MOTOR PASSENGER SEAT REAR VERTICAL MOTOR PASSENGER SEAT RECLINE MOTOR REAR BODY FUSE BLOCK RECLINE FWD RECLINE RWD RED/YEL WIRE RWD YEL WIRE YEL/BLU WIRE

BLK WIRE BLU WIRE BRN WIRE DOWN GND RWD GRN WIRE HOT AT ALL TIMES LOGIC NCA WIRE PASSENGER SEAT LUMBAR SUPPORT PUMP (REAR OF RIGHT FRONT SEAT) PASSENGER SEAT LUMBAR SUPPORT SWITCH REAR BODY FUSE BLOCK RED WIRE RWD SEAT LUM FUSE VIO WIRE YEL WIRE

ACC WAKEUP SERIAL DATA BATT POS VOLT BCM 2 FUSE BCM 6 FUSE BCM 7 FUSE BCM 8 FUSE BLK WIRE BLU/BLK WIRE BODY CONTROL MODULE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY AUTOMATIC TRANSMISSION ASSEMBLY DATA LINK CONNECTOR DLC FUSE ENGINE CONTROL MODULE FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 9) FROM UNDERHOOD FUSE BLOCK (DIAGRAM 1 OF 9) GROUND HVAC CONTROL MODULE HVAC FUSE IGN FUSE INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT PANEL FUSE BLOCK KEYLESS ENTRY CONTROL MODULE L/GATE RELSE FUSE LEFT STEERING WHEEL CONTROLS SWITCH OCC SNSR FUSE PASSENGER PRESENCE MODULE PEPS FUSE POWER SUPPLY TRANSFORMER (LOWER CENTER OF INSTRUMENT PANEL) REAR BODY FUSE BLOCK RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT STEERING WHEEL CONTROLS SWITCH RUN/CRANK IGN 1 VOLT SDM FUSE SERIAL DATA (+) (3) SOL RLY CTRL STARTER RELAY STEERING WHEEL AIR BAG COIL STR/WHL/CNTRL FUSE TCM FUSE TO INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 4 OF 9) UNDERHOOD FUSE BLOCK VIDEO PROCESSING CONTROL MODULE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE YEL/VIO WIRE

AMP FUSE AUDIO AMPLIFIER AUDIO COMMON SIG AUDIO SCREEN (2) DETECTION SIG AUXILIARY AUDIO INPUT (INSIDE CENTER CONSOLE COMPT) BATT POS VOLT BK USB BLK WIRE BLK/YEL WIRE BLU WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM 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) GND STEERING WHEEL AIR BAG COIL STR/WHL/ CNTRL FUSE UGDO FUSE USB 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

AUXILIARY HVAC CONTROL MODULE BATT POS VOLT BATT POS VOLT LR HTD SEAT BLK WIRE BLU/BLK WIRE COMPUTER DATA LINES SYSTEM CUSHION ELEMENT CTRL GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HTD/SEAT LR FUSE HTD/SEAT RR FUSE LEFT HIGH HEATED SEAT SWITCH LEFT REAR BACK SEAT HEATING ELEMENT LEFT REAR CUSHION SEAT HEATING ELEMENT LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 2 LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 9 LOGIC LR HTD SEAT ELEMENT LOW REF REAR BODY FUSE BLOCK REAR SEAT HEATING CONTROL MODULE RED/GRN WIRE RED/GRY WIRE RIGHT HIGH HEATED SEAT SWITCH RIGHT REAR BACK SEAT HEATING ELEMENT RIGHT REAR CUSHION SEAT HEATING ELEMENT RR HTD SEAT CUSHION ELEMENT CTRL RR HTD SEAT ELEMENT LOW REF GND