Chevrolet Blazer III (2018-2023) power supply transformer Wiring diagrams

2.0L TURBO 2.0L TURBO EXCEPT 2.0L TURBO 2.5L 2.5L 3.6L 3.6L 3.6L 2.5L ACCESSORY WAKEUP ACCESSORY WAKEUP SERIAL DATA BLK WIRE BLOCK ENGINE COOLANT FLOW CONTROL VALVE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/YEL WIRE BUS 2 BUS 21 COOLING FAN MOTOR CTRL MODULE LIN BUS 2 ENGINE CONTROL MODULE (MOUNTED AT RIGHT SIDE OF BATTERY) ENGINE CONTROL MODULE LIN BUS 1 ENGINE CONTROL MODULE LIN BUS 2 ENGINE COOLANT FLOW CONTROL VALVE ENGINE COOLANT PUMP EVAPORATIVE MISSION PURGE PUMP FUEL PUMP DRIVER CONTROL MODULE GRN WIRE GRN/BLK WIRE GRN/VIO WIRE GRN/WHT WIRE HI SPD GMLAN HI SPD GMLAN SERIAL DATA (+) (3) HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) (2) HI SPD GMLAN SERIAL DATA (-) 2 HI SPD GMLAN SERIAL DATA (+) 2 HIGH SPEED GMLAN LIN BUS 1 LOCAL INTERCONNECT LOCAL INTERCONNECT NETWORK SERIAL LOGIC ACTIVE GRILLE AIR SHUTTER 1 ACTUATOR MULTIFUNCTION INTAKE AIR SENSOR NCA WIRE NETWORK SERIAL DATA POWER SUPPLY TRANSFORMER SERIAL DATA SERIAL DATA (+) (3) SERIAL DATA (-) 7 SERIAL DATA COMMUNICATION ENABLE VIO WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE YEL WIRE

BATT POSITIVE VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE COMPUTER DATA LINES SYSTEM COURTESY LP SW SIG FRONT OVERHEAD CONSOLE ASSEMBLY GRN/GRY WIRE GRY WIRE GRY/GRN WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES INADVERTENT PWR CTRL INSTRUMENT PANEL FUSE BLOCK INTR LP CTRL INTR LP DEFEAT SW SIG LED AMBIENT LIGHTING CTRL 1 LED AMBIENT LIGHTING CTRL 2 LEFT CARGO LAMP LEFT FRONT FLOOR COURTESY LAMP LEFT OF BATTERY) LOGIC OFF POWER SUPPLY TRANSFORMER REAR COMPARTMENT LID LP CTRL RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT CARGO LAMP RIGHT FRONT FLOOR COURTESY LAMP UNDERHOOD FUSE BLOCK VIO/GRN WIRE W/ FULL VIDEO DISPLAY WHT WIRE WHT/BRN WIRE WHT/YEL WIRE

ACC IGN VOLT ACTR CTRL ACTR RECEIVE SIG ACTV SIG GND AMBIENT LIGHT/SUNLOAD SENSOR BATT POS VOLT BATT POS VOLT BATT POS VOLT REMOTE FUNCTION BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU/WHT WIRE BODY CONTROL MODULE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DR LOCK ACTR LK CTRL DR LOCK ACTR UNLK CTRL DR LOCK ACTR LK CTRL 2 DRIVER DOOR LOCK SWITCH DRV DR LK SW LK SGI DRV DR LK SW UNLK SIG FUEL DR LK RLY CTRL GLOVE BOX DR REL RLY CTRL GLOVE BOX DR REL SIG SECURITY IND CTRL REMOTE FUNCTION GLOVE BOX) GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/WHT WIRE HDLP LO BEAM RLY CTRL HDLP LO BEAM RLY CTRL HORN RLY CTRL HEADLIGHTS SYSTEM HOOD AJAR SW SIG PUSHBUTTON ST CHALLENGE HORNS SYSTEM HOT AT ALL TIMES HVAC CONTROL MODULE IND DIMMING CTRL INSTRUMENT PANEL FUSE BLOCK LEFT OF BATTERY) LO SPD GMLAN SER DATA LO SPD GMLAN SERIAL DATA NETWORK SER DATA BUS 9 PASS DR LK SW LK CTRL PASS DR LK SW UNLK CTRL PASSENGER DOOR LOCK SWITCH POWER SUPPLY TRANSFORMER RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE REMOTE CONTROL DOOR LOCK RECEIVER REMOTE FUNCTION ACTR TRANSMIT SIG REMOTE FUNCTION ACTR LO REF RUN/CRANK IGN 1 VOLT SOLAR SENS LO REF UNDERHOOD FUSE BLOCK VEHICLE STABILITY CONTROL SWITCH VIO/BLK WIRE VIO/YEL WIRE WHT WIRE WHT/VIO WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/VIO WIRE YEL/WHT WIRE

ACTIVE SAFETY CONTROL MODULE BLK WIRE FRONT SEAT HEATING CONTROL MODULE HANDS-FREE LIFTGATE SENSOR CONTROL MODULE HANDS-FREE LIFTGATE SENSOR LAMP LEFT SIDE OBJECT SENSOR MODULE NCA WIRE PASSENGER BACK SEAT BLOWER MOTOR PASSENGER CUSHION SEAT BLOWER MOTOR PASSENGER DOOR ACCENT LAMP PASSENGER DOOR HANDLE FLOOD LAMP PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR LOCK SWITCH PASSENGER DOOR POCKET FLOOD LAMP PASSENGER EXTERIOR DOOR HANDLE ASSEMBLY PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS PASSENGER SEAT ADJUSTER SWITCH PASSENGER WINDOW SWITCH LOGIC POWER SUPPLY TRANSFORMER RIGHT BACKUP LAMP RIGHT CARGO LAMP RIGHT INNER TAIL- LAMP RIGHT LIFTGATE TAIL LAMP ASSEMBLY RIGHT OUTER TAIL LAMP RIGHT SIDE OBJECT SENSOR MODULE RIGHT STOP/TURN SIGNAL LAMP RIGHT TAIL LAMP ASSEMBLY RIGHT TURN SIGNAL REPEATER LAMP W/ ACTIVE SAFETY W/ INTEGRATED BRAKE ASSIST W/ INTERIOR LAMP PACKAGE W/ POWER LIFTGATE W/ VENTILATED SEAT WHT WIRE

ADAPTIVE FRONT LIGHTING INDICATOR AUTO BLK WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/VIO WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ELECTRONIC BRAKE CONTROL MODULE GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRY/GRN WIRE GRY/RED WIRE HEAD HEADLAMP SWITCH HIGH BEAM LAMP IND HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT OF BATTERY) LOGIC LOW SPD GMLAN SERIAL DATA 2 NCA WIRE PARK PARK BRAKE APPLY SW SIG PARK BRAKE APPLY SW VOL REF PARK BRAKE CONTROL SWITCH PARK BRAKE RELEASE SW SIG PARK BRAKE RELEASE SW VOL REF PARK BRAKE SW SIG PARK BRAKE SW SPLY VOLT PARK BRAKE SWITCH POWER SUPPLY TRANSFORMER RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT HEADLAMP RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP BALLAST RIGHT HIGH BEAM SOLENOID ACTUATOR RIGHT LOW BEAM HEADLAMP RIGHT PARK DAYTIME RUNNING LAMP SER DATA COMMUNICATION ENABLE UNDERHOOD FUSE BLOCK W/ LED W/O LED WHT WIRE WHT/VIO WIRE YEL WIRE YEL/RED WIRE

AUXILIARY AUDIO INPUT BATT POS VOLT BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BODY CONTROL MODULE BRN/WHT WIRE CENTER CONSOLE REAR USB RECEPTACLE COMPUTER DATA LINES SYSTEM DIMMER SW LOW REF DIMMER SW SIG DOME LP OFF INDICATOR CTRL DRIVER MODE SELECT SWITCH GRN WIRE GRN/YEL WIRE HAZARD WARNING SWITCH HEADLAMP SWITCH HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HVAC CONTROLS IGNITION MODE SWITCH INDICATOR DIMMING CTRL INSTRUMENT PANEL FUSE BLOCK LED BACKLIGHT DIMMING CTRL LEFT OF BATTERY) LIN SERIAL DATA BUS 3 LOGIC LR HEATED SEAT HI INDICATOR CTRL PARK BRAKE CONTROL SWITCH POWER SUPPLY TRANSFORMER RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RR HEATED SEAT HI INDICATOR CTRL STEERING WHEEL AIR BAG COIL STOP/START INDICATOR CTRL UNDERHOOD FUSE BLOCK USB RECEPTACLE VEHICLE STABILITY CONTROL SWITCH WHT WIRE YEL WIRE YEL/GRY WIRE

BATTERY POS VOLT BLK WIRE BLK/GRY WIRE BLU WIRE BODY CONTROL MODULE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVE MODE SELECT SWITCH DRIVER INFORMATION CENTER DISPLAY GRN WIRE GRN/BRN WIRE GRY/GRN WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES INDICATOR DIMMING CONTROL INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT OF BATTERY) LOGIC LOW SPD GMLAN SERIAL DATA LOW SPD GMLAN SERIAL DATA 2 LR CORNER OBJECT SENSOR SIG LR MIDDLE OBJECT SENSOR SIG OBJECT SENS CTRL OBJECT SENS LOW REF PARK ASSIST DISABLE SWITCH PARK ASSIST IND PARKING ASSIST CONTROL MODULE (FORWARD OF REAR BODY FUSE BLOCK) POWER SUPPLY TRANSFORMER REAR LEFT MIDDLE PARKING ASSIST SENSOR REAR LEFT OUTER PARKING ASSIST SENSOR REAR PARK ASSIST DISABLE SIG REAR PARK ASSIST LED DISABLE SIG REAR RIGHT MIDDLE PARKING ASSIST SENSOR REAR RIGHT OUTER PARKING ASSIST SENSOR RED/GRN WIRE RED/GRY WIRE RR CORNER OBJECT SENSOR SIG RR MIDDLE OBJECT SENSOR SIG UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE YEL/BLU WIRE YEL/VIO WIRE YEL/WHT WIRE

2.5L 3.6L ACC WAKEUP SERIAL DATA AMBIENT LIGHT/ SUNLOAD SENSOR BATT POS VOLT BLK WIRE BLK/GRN WIRE BLU/BLK WIRE BODY CONTROL MODULE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE HOOD SWITCH GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE HOOD AJAR SW SIG HOOD OPEN SW SIG HOT AT ALL TIMES HVAC CONTROL MODULE IMMOBILIZER CONTROL MODULE (UNDER CENTER CONSOLE) IMMOBILIZER CTRL IMMOBILIZER LOW REF INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT OF BATTERY) LIN SERIAL DATA BUS 11 LO SPD GMLAN SER DATA LOGIC LOW SPD GMLAN SERIAL DATA 2 NETWORK SER DATA BUS 9 POWER SUPPLY TRANSFORMER RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE SECURITY INDICATOR SECURITY INDICATOR CTRL SERIAL DATA (+) (3) SERIAL DATA COMM ENABLE SIG GND SOLAR SENSOR LOW REF UNDERHOOD FUSE BLOCK VIO/YEL WIRE WHT WIRE WHT/BLU WIRE YEL WIRE

ACC IGN VOLT ACTR CTRL ACTR RECEIVE SIG ACTV SIG GND AMBIENT LIGHT/SUNLOAD SENSOR BATT POS VOLT BATT POS VOLT BATT POS VOLT REMOTE FUNCTION BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU/WHT WIRE BODY CONTROL MODULE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DR LOCK ACTR LK CTRL DR LOCK ACTR UNLK CTRL DR LOCK ACTR LK CTRL 2 DRIVER DOOR LOCK SWITCH DRV DR LK SW LK SGI DRV DR LK SW UNLK SIG FUEL DR LK RLY CTRL GLOVE BOX DR REL RLY CTRL GLOVE BOX DR REL SIG SECURITY IND CTRL REMOTE FUNCTION GLOVE BOX) GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/WHT WIRE HDLP LO BEAM RLY CTRL HDLP LO BEAM RLY CTRL HORN RLY CTRL HEADLIGHTS SYSTEM HOOD AJAR SW SIG PUSHBUTTON ST CHALLENGE HORNS SYSTEM HOT AT ALL TIMES HVAC CONTROL MODULE IND DIMMING CTRL INSTRUMENT PANEL FUSE BLOCK LEFT OF BATTERY) LO SPD GMLAN SER DATA LO SPD GMLAN SERIAL DATA NETWORK SER DATA BUS 9 PASS DR LK SW LK CTRL PASS DR LK SW UNLK CTRL PASSENGER DOOR LOCK SWITCH POWER SUPPLY TRANSFORMER RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE REMOTE CONTROL DOOR LOCK RECEIVER REMOTE FUNCTION ACTR TRANSMIT SIG REMOTE FUNCTION ACTR LO REF RUN/CRANK IGN 1 VOLT SOLAR SENS LO REF UNDERHOOD FUSE BLOCK VEHICLE STABILITY CONTROL SWITCH VIO/BLK WIRE VIO/YEL WIRE WHT WIRE WHT/VIO WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/VIO WIRE YEL/WHT WIRE

BATT POS VOLT BLK WIRE BLK/GRY WIRE BLU WIRE BODY CONTROL MODULE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY FRONT WINDSHIELD WIPER SW HIGH SIG GRN/WHT WIRE GRY WIRE GRY/GRN WIRE HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT OF BATTERY) LOGIC LOW SPD GMLAN SERIAL DATA 2 LOW WASHER FLUID IND CTRL POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER REAR WIND WASHER RLY CTRL REAR WIND WIPER SW SIG REAR WIPER MTR RLY COIL CTRL RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE SIG GND UNDERHOOD FUSE BLOCK VIO WIRE WHT WIRE WHT/BLK WIRE WHT/VIO WIRE WINDSHIELD WASHER RLY CTRL WINDSHIELD WASHER SW SIG WINDSHIELD WIPER MOTOR WINDSHIELD WIPER MTR PARK SW SIG WINDSHIELD WIPER MTR 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 YEL WIRE YEL/BLU WIRE YEL/BRN WIRE