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

A/C COMPRESSOR CLUTCH RELAY A/C FUSE A/C IND A/C SWITCH AUTO IND AUTO SWITCH BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLU WIRE BLWR MTR SPD CTRL BRN/GRN WIRE BUS 9 SER DATA GND COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROLS IGNITION RELAY FAN DOWN SWITCH FAN UP SWITCH FLOOR OUTLET IND FLOOR OUTLET SWITCH FUSE 4 FUSE 5 GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES HVAC CONTROLS INSTRUMENT CLUSTER INSTRUMENT PANEL OUTLET IND INSTRUMENT PANEL OUTLET SWITCH LEFT TEMPERATURE DOWN SWITCH LEFT TEMPERATURE UP SWITCH LOGIC LOW SPEED GMLAN SERIAL DATA MAX DEFROST IND MAX DEFROST SWITCH RECIRCULATION IND RECIRCULATION SWITCH RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/YEL WIRE RIGHT TEMPERATURE DOWN SWITCH RIGHT TEMPERATURE UP SWITCH START STOP IND START/ STOP SWITCH SYNC IND SYNC SWITCH UNDERHOOD FUSE BLOCK WHT/GRY WIRE WINDSHIELD DEFROST IND WINDSHIELD DEFROST SWITCH

BATT POS VOLT BATTERY BATTERY FUSE BLOCK BATTERY SENSOR MODULE BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CHARGE IND CHARGE IND CTRL COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ECM FUSE ENGINE CONTROL MODULE FUSE 5 FUSE 6 FUSE 7 GENERATOR GENERATOR FIELD DUTY CYCLE SIG GMLAN SERIAL DATA - 1 GRN/VIO WIRE GRY WIRE GRY/GRN WIRE INSTRUMENT CLUSTER LO SPD GMLAN LOGIC NCA WIRE RED WIRE RED/BRN WIRE RED/WHT WIRE RED/YEL WIRE SERIAL DATA STARTER MOTOR UNDERHOOD FUSE BLOCK WHT WIRE

BATTERY FUSE BLOCK BLK WIRE BRN/VIO WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR FUSE 5 GRN WIRE GROUND DISTRIBUTION SYSTEM HOT AT ALL TIMES HVAC CONTROL MODULE HVAC CONTROLS LOGIC LOW SPD GMLAN SERIAL DATA MIR/DEFOG FUSE PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS REAR DEFOG RLY CTRL REAR DEFOGGER GRID REAR DEFOGGER IND REAR DEFOGGER RELAY REAR DEFOGGER SWITCH RED/YEL WIRE RR/WDO/DEFOG FUSE UNDERHOOD FUSE BLOCK

AIR CONDITIONING SYSTEM AMBIENT LIGHT SENS SIG AMBIENT LIGHT/ SUNLOAD SENSOR BATTERY FUSE BLOCK BATTERY POSITIVE VOLTAGE BLK WIRE BLU WIRE BODY CONTROL MODULE BRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRL LH FUSE DRL/LT FUSE FOG LAMP RLY CTRL FOG/LMP/ FRT FUSE FRONT FOG LAMP RELAY FUSE 5 GMLAN SERIAL DATA - 1 GRN WIRE GRN/BRN WIRE GRN/GRY WIRE HDLP HI BEAM RLY CTRL HDLP LO BEAM RLY CTRL HDLP OFF SIG CTRL HDLP SW FLASH TO PASS SIG HDLP SW ON SIG HDLP SW PARK LAMP SIG HEADLAMP HIGH BEAM RELAY HEADLAMP RELAY HI BEAM LT FUSE HI BEAM RT FUSE HI IDLE SW CTRL HOT AT ALL TIMES HVAC CONTROL MODULE LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP BALLAST LEFT HIGH BEAM SOLENOID ACTUATOR LEFT LOW BEAM HEADLAMP LIGHTING CTRL SW REF LIGHTING CTRL SW SIG LOW REF NCA WIRE RED/GRN WIRE RED/YEL WIRE RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP BALLAST RIGHT HIGH BEAM SOLENOID ACTUATOR RIGHT LOW BEAM HEADLAMP TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK VIO WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE

AIR CONDITIONING SYSTEM AMBIENT LIGHT SENS SIG AMBIENT LIGHT/ SUNLOAD SENSOR BATTERY FUSE BLOCK BATTERY POSITIVE VOLTAGE BLK WIRE BLU WIRE BODY CONTROL MODULE BRN WIRE BRN/VIO WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM FOG LAMP RLY CTRL FOG/LMP/ FRT FUSE FRONT FOG LAMP RELAY FUSE 5 GMLAN SERIAL DATA - 1 GRN WIRE GRN/BRN WIRE GRN/GRY WIRE HDLP HI BEAM RLY CTRL HDLP OFF SIG CTRL HDLP SW FLASH TO PASS SIG HDLP SW ON SIG HDLP SW PARK LAMP SIG HEADLAMP HIGH BEAM RELAY HI BEAM LT FUSE HI BEAM RT FUSE HI IDLE SW CTRL HOT AT ALL TIMES HVAC CONTROL MODULE LEFT HEADLAMP ASSEMBLY LEFT HIGH BEAM SOLENOID ACTUATOR LEFT LOW BEAM HEADLAMP LH HDLP LO BEAM CTRL LIGHTING CTRL SW REF LIGHTING CTRL SW SIG LOW REF RED/GRN WIRE RED/YEL WIRE RH HDLP LO BEAM CTRL RIGHT HEADLAMP ASSEMBLY RIGHT HIGH BEAM SOLENOID ACTUATOR RIGHT LOW BEAM HEADLAMP TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK VIO WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BRN 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

BATTERY FUSE BLOCK BLK WIRE BODY CONTROL MODULE BRN/GRY WIRE BRN/WHT WIRE FUSE 5 GRN WIRE GRN/WHT WIRE HIGH NOTE HORN HORN FUSE HORN RELAY HORN RLY CTRL HORN SW SIG HORN SWITCH HOT AT ALL TIMES LOW NOTE HORN NCA WIRE RED/YEL WIRE STEERING WHEEL AIR BAG COIL UNDERHOOD FUSE BLOCK WHT WIRE

2.0L TURBO 2.0L TURBO 2.5L ABS PUMP FUSE ABS VLV FUSE AHL FUSE BATTERY BATTERY FUSE BLOCK BATTERY SENSOR MODULE CNSTR/ VENT/SOL FUSE COOLING FAN MOTOR DC DC TRANS FUSE ECM FUSE ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROL MODULE EVAPORATIVE EMISSION VENT SOLENOID VALVE FRONT FOG LAMP RELAY FRONT SEAT HEATING CONTROL MODULE FUEL PUMP DRIVER CONTROL MODULE FUEL/PUMP FUSE FUSE 1 FUSE 2 FUSE 3 FUSE 4 FUSE 5 FUSE 6 FUSE 7 GENERATOR HEADLAMP HIGH BEAM RELAY HEADLAMP LEVELING CONTROL MODULE HEADLAMP RELAY HORN RELAY HTD SEAT FUSE L/GATE FUSE LEFT COOLING FAN MOTOR LIFTGATE CONTROL MODULE NCA WIRE POWER STEERING CONTROL MODULE REAR DEFOGGER RELAY RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT COOLING FAN MOTOR STARTER 1 FUSE STARTER 2 FUSE STARTER MOTOR STARTER PINION SOLENOID ACTUATOR RELAY STARTER RELAY TO IGNITION MAIN RELAY (DIAGRAM 2 OF 9) TO INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 3 OF 9) TO INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 5 OF 9) TO POWER SUPPLY TRANSFORMER (DIAGRAM 3 OF 9) TO REAR BODY FUSE BLOCK (DIAGRAM 5 OF 9) UNDERHOOD FUSE BLOCK W/ HID

ACC WAKEUP SERIAL DATA AUTOMATIC TRANSMISSION ASSEMBLY BATT POS VOLT BATTERY BATTERY FUSE BLOCK BATTERY SENSOR MODULE BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BODY CONTROL MODULE CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DC DC TRANS FUSE ECM, TCM FUSE ENGINE CONTROL MODULE FUSE 1 FUSE 5 FUSE 6 GMLAN SERIAL DATA - 1 GROUND HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT IGN MODE SW VOLT IGNITION MODE SWITCH LOGIC NON/ WALK FUSE PARK/NEUTRAL SIG (1) POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER (LOWER CENTER OF INSTRUMENT PANEL) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RLY CTRL RUN/CRANK IGN 1 VOLT SERIAL DATA (+) (3) SIG GND SOL RLY CTRL STARTER 1 FUSE STARTER 2 FUSE STARTER MOTOR STARTER PINION SOLENOID ACTUATOR RELAY STARTER RELAY TRANS PARK/ NEUTRAL SIG 1 TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH UNDERHOOD FUSE BLOCK VAR/ FUNC FUSE VIO/BLU WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/GRY WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/VIO WIRE

BATTERY FUSE BLOCK BLK WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE 4 GRN WIRE GRN/VIO WIRE GRY/BRN WIRE HOT AT ALL TIMES HOT W/ PARK LAMPS RELAY ENERGIZED LEFT TRAILER STOP/ TURN SIGNAL LAMP RELAY LR TURN SIG LP CTRL RED/GRN WIRE RIGHT TRAILER STOP/ TURN SIGNAL LAMP RELAY RR TURN SIG LP CTRL SERIAL DATA (-) (1) TRAILER CONNECTOR TRLR LT TRN FUSE TRLR PRK FUSE TRLR RT TRN FUSE WHT WIRE YEL WIRE YEL/GRY WIRE