Buick Enclave II (2017-2021) power supply transformer Wiring diagrams

1 SHIFT SOL VALVE CTRL 2 SHIFT SOL VALVE CTRL ACCESSORY WAKEUP SERIAL DATA AUTOMATIC TRANSMISSION ACCUMULATOR SOLENOID VALVE BATT POSITIVE VOLT BATT POSITIVE VOLT REGULATED SUPPLY BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CLUTCH A CTRL CLUTCH B CTRL CLUTCH C CTRL CLUTCH D CTRL CLUTCH E CTRL COMPUTER DATA LINES SYSTEM DATA DC DC TRANS 1 FUSE DRIVER INFORMATION CENTER DISPLAY ETRS OUT OF PARK SW 2 SIG ETRS OUT OF PARK SW SIG ETRS SW ANALOG SIG 1 ETRS SW ANALOG SIG 2 GRN WIRE GRN/GRY WIRE GRN/PPL WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/YEL WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN MODE SW MODE CTRL IN SPD SIG INSTRUMENT CLUSTER LOGIC NETWORK SERIAL DATA BUS 20 OUT SPD SIG PARK LOCK SOL CTRL POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER PPL PPL/BLK WIRE PPL/WHT WIRE PPL/YEL WIRE RED WIRE RED/GRN WIRE RED/GRY WIRE RUN/CRANK IGNITION 1 VOLT SIG GND TCC/CLUTCH SOL A CTRL TCM BATT FUSE TCM/ IGN FUSE TRANS CLUTCH F CTRL TRANS CLUTCH G CTRL TRANS CLUTCH H CTRL TRANS HI SIDE DRV 1 SIG TRANS HI SIDE DRV 2 SIG TRANS INTERMEDIATE SPD SIG TRANS OIL TEMP SENS LO REF TRANS OIL TEMP SENS SIG TRANSMISSION CONTROL MODULE (TOP FRONT OF TRANSMISSION) TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSION INPUT/ INTERMEDIATE SHAFT SPEED SENSOR TRANSMISSION INTERMEDIATE SHAFT SPEED SENSOR UNDERHOOD FUSE BLOCK VOLTAGE 2 WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/PPL WIRE WHT/YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

ACCESSORY WAKEUP SERIAL DATA BACKUP LAMP CTRL BACKUP LAMP RELAY CTRL BATTERY BATTERY FUSE BLOCK BATTERY POSITIVE VOLT BATTERY POSITIVE VOLTAGE BLK WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE (FRONT OF CENTER CONSOLE) BRN/GRN WIRE BRN/GRY WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COURTESY LAMP CTRL COURTESY LAMP SW SIG CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG DC DC TRANS 1 FUSE DOME LAMP OFF INDICATOR CTRL DOOR LOCKS, ANTI-THEFT SYSTEMS DR LCK ACTUATOR UNLOCK CTRL DR LOCK ACTUATOR LOCK CTRL DR LOCK ACTUATOR LOCK CTRL 2 DRV MODE 1 INDICATOR CTRL DRV MODE 2 INDICATOR CTRL ENDGATE LATCH RLY CTRL FOG LAMP RLY CTRL DRV MODE 4 INDICATOR CTRL FRT WINDSHIELD WIPER SW HIGH SIG FUEL DR LOCK RLY CTRL FUSE 10 GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HI SPD GMLAN SERIAL DATA (-) (1) HI SPEED GMLAN DATA BUS (-) HI SPEED GMLAN DATA BUS (-) TRAILER BRAKE APPLY SIG HOOD AJAR SW SIG HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES INADVERTENT POWER CTRL INSTRUMENT CLUSTER SYSTEM INTERIOR LAMP CTRL KEY CAPTURE/COLUMN LOCK SHIFT POSITION SIG LED AMBIENT LIGHTING CTRL 1 LED BACKLT DIMMING CTRL LEFT FRONT TURN SIG LAMP CNTRL LEFT HEADLAMP RELAY CTRL LEFT PARK LAMP CTRL LEFT REAR STOP/TURN LAMP CTRL LH PARK LAMP CTRL LH TRAILER TURN SIG LAMP CTRL LIFTGATE AJAR SWITCH SIG 1 LOCAL INTERCONNECT NETWORK BUS 2 LOCAL INTERCONNECT NETWORK BUS 3 LOCAL INTERCONNECT NETWORK DATA BUS 1 LOGISTIC MODE RELAY OPEN CTRL LOW SPEED GMLAN SERIAL DATA OUT OF PARK SIGNAL PARK LAMP RELAY CONTROL PARK LOCK SOLENOID CTRL PASS DR LOCK SW LOCK CTRL PASS DR LOCK SW UNLOCK CTRL POSITIVE VOLT POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER PUSH BUTTON START CHALLENGE ACT SIG RAP RLY COIL CTRL REAR FOG LAMP CTRL REAR LICENSE LAMP CTRL REAR TURN LAMP FEEDBACK SIG REAR WINDOW WASHER RLY CTRL REAR WIPER MTR RLY COIL CTR RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RF TURN SIG LAMP CTRL RH HEADLAMP RELAY CONTROL RH PARK LAMP CTRL RH TRAILER TURN SIG LAMP CTRL RIGHT CORNERING LAMP CTRL RR CLOSURE HANDLE SW OPEN SIG RR STOP/TURN LAMP CTRL RR TURN LAMP FEEDBACK SIG RR TURN SIG LAMP CTRL RUN/CRANK RELAY COIL CTRL SEATS SYSTEM SERIAL DATA COMM ENABLE SHIFT INTERLOCK SYSTEM SPLY VOLT 1 SPLY VOLT 2 STOP LAMP RELAY COIL CTRL TRANSMISSION SHIFT SEL DISPLAY SIG TRANSMISSIONS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE WINDSHIELD WASHER RELAY CTRL WINDSHIELD WIPER MTR PARK SW SIG WINDSHIELD WIPER MTR RLY COIL CTRL WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM EXTERIOR LIGHTS SYSTEM WIRELESS CHARGING SYSTEM CHARGE IND CTRL YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE

2.0L TURBO 3.6L ACCESSORY WAKEUP ACCESSORY WAKEUP SERIAL DATA BATTERY SENSOR MODULE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE DATA BUS 21 ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROL MODULE FUEL PUMP DRIVER CONTROL MODULE GRN/GRY WIRE GRN/PPL WIRE HI SPD GMLAN HI SPD GMLAN SERIAL DATA (+) (3) HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) (2) HIGH SPEED GMLAN LIN SERIAL LIN SERIAL DATA BUS 20 LIN SERIAL DATA BUS 21 LOGIC ACTIVE GRILLE AIR SHUTTER 1 ACTUATOR LOGIC ACTIVE GRILLE AIR SHUTTER 2 ACTUATOR POWER STEERING CONTROL MODULE POWER SUPPLY TRANSFORMER PPL/YEL WIRE SERIAL DATA SERIAL DATA (+) (3) SERIAL DATA COMMUNICATION ENABLE TRANSMISSION CONTROL MODULE (TOP FRONT OF TRANSMISSION) W/ FRONT GRILLE ACTIVE SHUTTERS WHT WIRE WHT/BLU WIRE

BATT POS VOLT BATTERY POSITIVE VOLT BCM 1 FUSE BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/YEL WIRE BODY CONTROL MODULE (FRONT OF CENTER CONSOLE) BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DC DC TRANS 1 FUSE DRIVER INFORMATION CENTER DISPLAY DRIVER MODE 1 IND CTRL GMLAN SER DATA (-) (2) GMLAN SER DATA - (1) GRN/GRY WIRE GRN/PPL WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT FRONT SHOCK ABSORBER ACTUATOR LEFT FRONT VERTICAL SUSPENSION ACCELERATION SENSOR LEFT REAR SHOCK ABSORBER ACTUATOR LF DAMP SERVO CTRL LF WHEEL DAMP ACCEL SIG LF WHEEL DAMPING ACCELEROMETER LOW REF LOGIC LOW SPD GMLAN SERIAL DATA 2 LR DAMP SERVO CTRL NCA WIRE POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER REAR BODY FUSE BLOCK RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RF DAMP SERVO CTRL RF WHEEL ACCEL LOW REF RF WHEEL DAMP ACCEL SIG RIGHT FRONT SHOCK ABSORBER ACTUATOR RIGHT FRONT VERTICAL SUSPENSION ACCELERATION SENSOR RIGHT REAR SHOCK ABSORBER ACTUATOR RR DAMP SERVO CTRL SADS FUSE SERIAL DATA COMM ENABLE SHIFT SELECT SW PERFORMANCE SIG SPLY VOLT 1 SPORT IND SPORT SWITCH SUSPENSION CONTROL MODULE UNDERHOOD FUSE BLOCK VEHICLE STABILITY CONTROL SWITCH WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL/RED WIRE

BATT POS BCM 7 FUSE BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE CHEVROLET COMPUTER DATA LINES SYSTEM DRIVER OUTSIDE REAR- VIEW MIRROR GRN WIRE GRN/PPL WIRE GRY WIRE GRY/BRN WIRE HANDS FREE HANDS-FREE LIFTGATE SENSOR LAMP HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK KEYLESS ENTRY CONTROL MODULE LEFT FRONT TURN SIGNAL LAMP LEFT TURN SIGNAL REPEATER LAMP LO SPD GMLAN NCA WIRE PASSENGER OUTSIDE REAR VIEW MIRROR POWER SUPPLY TRANSFORMER PPL/BLU WIRE PPL/GRY WIRE PROJECTION LP CTRL RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT FRONT TURN SIGNAL LAMP RIGHT SIDE OF RADIATOR) RIGHT TURN SIGNAL REPEATER LAMP SERIAL DATA SPLY VOLT 1 TURN SIGNAL/ MULTI-FUNCTION SWITCH VOLT W/O MANUAL FOLDING MIRROR W/O REAR FOG WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/PPL WIRE YEL/BLU WIRE

BAT POS VOLT BATT POS VOLT BCM 1 FUSE BCM 6 FUSE BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (FRONT OF CENTER CONSOLE) BRN/GRN WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM DC DC TRANS 1 FUSE DELAY SWITCH DRIVER INFORMATION CENTER DISPLAY FRONT WINDSHIELD WIPER SW HIGH SIG GRY WIRE GRY/GRN WIRE GRY/PPL WIRE HIGH SPD GMLAN SERIAL DATA (+) 1 HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK INT LOW OFF HIGH INT OFF LOW LOGIC LOW SPEED GMLAN SER DATA 2 LOW WASHER FLUID IND CTRL MIST POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER PPL RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE SIG GND SUPPLY VOLT 2 UNDERHOOD FUSE BLOCK WASH PMP FUSE WASHER SWITCH WHT WIRE WHT/BLK WIRE WHT/PPL WIRE WINDSHIELD WASHER FLUID LEVEL SWITCH WINDSHIELD WASHER PUMP WINDSHIELD WASHER PUMP RELAY WINDSHIELD WASHER RLY CTRL WINDSHIELD WASHER SW SIG WINDSHIELD WIPER MOTOR WINDSHIELD WIPER MOTOR PARK SW SIG WINDSHIELD WIPER MOTOR RLY COIL CTRL WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY WINDSHIELD WIPER SW HIGH SIG WINDSHIELD WIPER SW LOW REF WINDSHIELD WIPER SW LOW SIG WINDSHIELD WIPER/WASHER SWITCH WIPER SWITCH WPR FRT FUSE YEL/BLU WIRE YEL/BRN WIRE

BAT POS VOLT BCM 1 FUSE BCM 2 FUSE BCM 3 FUSE BCM 4 FUSE BCM 6 FUSE BLK WIRE BRN/VIO WIRE CHEVROLET DC DC TRANS 1 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT HEADLAMP LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP CONTROL MODULE LEFT HEADLAMP COOLING FAN LEFT HEADLAMP MULTI-FUNCTION LED LEFT HEADLAMP MULTI-FUNCTION LED CONTROL MODULE NCA WIRE POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER REAR FOG LAMP RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT FOG LAMP SUPPLY VOLT 1 SUPPLY VOLT 2 UNDERHOOD FUSE BLOCK W/ HANDS FREE POWER LIFTGATE W/O HANDS FREE POWER LIFTGATE YEL WIRE YEL/GRY WIRE YEL/WHT WIRE

"CHECK ENGINE" IND CTRL ABS IND. AIR BAG IND BATT POS BATT POS VOLT BLK WIRE BLK/BRN WIRE BRAKE IND BRN/WHT WIRE CHARGE IND COMPUTER DATA LINES SYSTEM CRUISE IND DATA BUS 4 DC DC TRANS 1 FUSE DOOR AJAR IND DOOR LOCK IND DRIVER INFORMATION CENTER DISPLAY DRIVER INFORMATION CENTER SELECT MENU SWITCH SIGNAL DRIVER INFORMATION CENTER SW LOW REF DRIVER INFORMATION CENTER SW SIG DRIVER SEAT BELT IND ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND ENGINE OIL LEVEL IND FORWARD COLLISION ALERT LED CTRL FRONT FOG LAMP IND FRONT PEDESTRIAN BRAKING SYSTEM IND FUEL GAUGE FUEL IND GRN/BLK WIRE GRN/GRY WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/PPL WIRE GRY/YEL WIRE HIGH BEAM ASSIST IND HIGH BEAM IND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED ILLUMINATION INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK IPC FUSE KM/H MPH IND LANE DEPARTURE IND LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LEFT TURN IND LIN SERIAL LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 12 LOGIC LOW SPEED GMLAN SERIAL DATA 2 LOW WASHER FLUID IND CTRL LR DR AJAR MALFUNCTION IND MOST CONTROL MOST SERIAL DATA (-) 2 NAVIGATION SYSTEM PARK LAMP IND PARKING BRAKE LAMP IND POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER PPL PPL/BLK WIRE PPL/GRY WIRE REAR FOG LAMP IND RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE REFLECTED LED DISPLAY DIMMING CTRL RIGHT TURN IND RPM IND RUN/CRANK IGNITION 1 VOLTAGE SECURITY IND SERVICE ELECTRIC PARKING BRAKE IND SPEED IND SPEEDOMETER SPLY SW SIG TACHOMETER TIRE PRESSURE MONITOR IND TRACTION OFF IND UNDERHOOD FUSE BLOCK VEHICLE AHEAD IND VOLT VOLT 1 VSC IND VSC OFF IND WHT/GRN WIRE WHT/PPL WIRE WIPER/ WASHER SYSTEM

BAT POS VOLT BATT POS VOLT BCM 1 FUSE BCM 6 FUSE BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/PPL WIRE BODY CONTROL MODULE (FRONT OF CENTER CONSOLE) BRN/BLU WIRE COMPUTER DATA LINES SYSTEM DC DC TRANS 1 FUSE DRIVER INFORMATION CENTER DISPLAY GRN/WHT WIRE GRY/GRN WIRE HIGH SPD GMLAN SERIAL DATA (+) 1 HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LOGIC LOW SPEED GMLAN SERIAL DATA 2 POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER REAR WINDOW WASHER PUMP REAR WINDOW WASHER PUMP RELAY REAR WINDOW WASHER RLY CTRL REAR WINDOW WIPER SW SIG REAR WIPER MOTOR REAR WIPER MOTOR RELAY COIL CTRL REAR WIPER RELAY REAR WIPER SWITCH REAR WPR FUSE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE SIG GND SUPPLY VOLT 2 UNDERHOOD FUSE BLOCK WASH PMP FUSE WASHER SWITCH WHT WIRE WHT/BLK WIRE WINDSHIELD WASHER SW SIG WINDSHIELD WIPER SW LOW REF WINDSHIELD WIPER/WASHER SWITCH YEL WIRE