Chevrolet Blazer III (2018-2023) underhood fuse block Wiring diagrams

A/C COMPRESSOR A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY A/C COMPRESSOR SOLENOID VALVE A/C ON IND A/C ON SWITCH AUTO IND AUTO SWITCH BLK WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/YEL WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DEFROST, LOWER AIR OUTLET IND FAN SPEED HIGH SWITCH FAN SPEED LOW SWITCH GRN WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED HVAC CONTROLS LEFT OF BATTERY) LOGIC LOWER AIR OUTLET IND LOWER AIR OUTLET SWITCH NCA WIRE RECIRCULATION IND RECIRCULATION SWITCH RED/BLU WIRE START STOP IND START/STOP SWITCH SYNC IND SYNC SWITCH UNDERHOOD FUSE BLOCK UPPER AIR OUTLET IND VIO/GRY WIRE WHT/GRY WIRE WINDSHIELD DEFROST IND

AIR INLET DOOR ACTUATOR BLK WIRE BLK/WHT WIRE BLU/WHT WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE GRY/WHT WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INSTRUMENT CLUSTER LEFT AIR TEMPERATURE DOOR ACTUATOR LEFT OF BATTERY) LOGIC MOST SERIAL DATA (+) RED/BLK WIRE RED/GRN WIRE RIGHT AIR TEMPERATURE DOOR ACTUATOR UNDERHOOD FUSE BLOCK VIO/BLU WIRE VIO/GRY WIRE WHT WIRE WHT/GRY WIRE WHT/PNK WIRE YEL/GRN WIRE

A/C REFRIGERANT PRESSURE SENSOR ACTUATOR CTRL OPEN BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BRN/GRY WIRE CLUTCH RELAY CTRL COL DIVERTER VALVE ACTUATOR CTRL CLOSE COL DIVERTER VALVE COMPUTER DATA LINES STYSTEM ENGINE BLK TEMP WIRE ENGINE BLOCK COOLANT TEMPERATURE SIGNAL MODULE LIN BUS 1 MODULE LIN BUS 1 ENGINE CONTROL MODULE ENGINE CONTROL SEN LOW REF 1 ENGINE COOLANT FLOW CONTROL VALVE ENGINE COOLANT TEMPERATURE SENSOR 1 ENGINE COOLANT TEMPERATURE SENSOR 2 ENGINE COOLANT TEMPERATURE SENSOR 5 ENGINE COOLANT TEMPERATURE SENSOR 6 ENGINE CTRL ENGINE CTRL VEHICLE SENSORS LOW REF 1 ENGINE INLET COL TEMPERATURE SIGNAL ENGINE OUTLET COOLANT TEMPERATURE SIGNAL GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND 3 GRY/VIO WIRE HEATER CORE OUTLET TEMPERATURE SIGNAL HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED LEFT OF BATTERY) LOWER RIGHT FRONT OF ENGINE) POSITIVE VOLTAGE 1 RED/WHT WIRE SENSOR SIGNAL TURBOCHARGER BYPASS SOLENOID VALVE UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLU WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

BATTERY POSITIVE VOLTAGE BLK WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BRAKE MASTER CYLINDER) BRAKE SYSTEM CONTROL MODULE BRN WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ELECTRIC PARKING BRAKE IND ETHERNET BUS 7(-) LIN BUS 1 GRN/BLK WIRE GRN/VIO WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/RED WIRE HI SPD GMLAN SERIAL DATA (-) (2) HI SPD GMLAN SERIAL DATA (-) 2 PARK BRK SW SPLY VOLT HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER LEFT OF BATTERY) LEFT PARK BRAKE ACTUATOR LOGIC LR PARK BRK MTR APPLY CTRL LR PARK BRK MTR LOW REF PARK BRAKE CONTROL SWITCH PARK BRK APPLY SW SIG PARK BRK APPLY SW VOLT REF PARK BRK RELEASE SW SIG PARK BRK RELEASE SW VOLT REF PARK BRK SW SIG RED/YEL WIRE RIGHT PARK BRAKE ACTUATOR RR PARK BRK MTR APPLY CTRL RR PARK BRK MTR LOW REF RUN/CRANK IGN 1 VOLTAGE SERVICE ELECTRIC PARKING BRAKE IND UNDERHOOD FUSE BLOCK VIO/BLK WIRE WHT WIRE YEL WIRE YEL/RED WIRE

A/C COMPRESSOR A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY A/C COMPRESSOR SOLENOID VALVE A/C ON IND A/C ON SWITCH AUTO IND AUTO SWITCH AUXILIARY COOLANT PUMP RELAY AUXILIARY HEATER COOLANT PUMP BATTERY FUSE BLOCK BLK WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/YEL WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DEFROST, LOWER AIR OUTLET IND FAN SPEED HIGH SWITCH FAN SPEED LOW SWITCH GRN WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED HVAC CONTROLS LEFT OF BATTERY) LOGIC LOWER AIR OUTLET IND LOWER AIR OUTLET SWITCH NCA WIRE RECIRCULATION IND RECIRCULATION SWITCH RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE START STOP IND START/STOP SWITCH SYNC IND SYNC SWITCH UNDERHOOD FUSE BLOCK UPPER AIR OUTLET IND VIO/GRY WIRE WHT/GRY WIRE WINDSHIELD DEFROST IND YEL/BLU WIRE

AIR INLET DOOR ACTUATOR BATT POS BLK WIRE BLU/WHT WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INSTRUMENT CLUSTER LEFT AIR TEMPERATURE DOOR ACTUATOR LEFT OF BATTERY) LOGIC MOST SERIAL DATA (+) POWER SUPPLY TRANSFORMER RED/BLK WIRE RED/GRN WIRE RED/GRY WIRE RIGHT AIR TEMPERATURE DOOR ACTUATOR SPLY UNDERHOOD FUSE BLOCK VIO/BLU WIRE VIO/GRY WIRE VOLT VOLT 1 WHT WIRE WHT/GRY WIRE WHT/PNK WIRE YEL/GRN WIRE

BATTERY POSITIVE VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ELECTRONIC BRAKE CONTROL MODULE (LEFT REAR OF ENGINE COMPT) GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE HI SPD GMLAN SERIAL DATA (+) 1 BATTERY POSITIVE VOLTAGE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT IND INSTRUMENT CLUSTER LEFT OF BATTERY) LEFT PARK BRAKE ACTUATOR LOGIC LOW SPD GMLAN SER DATA 2 LR PARK BRAKE MOTOR APPLY CTRL LR PARK BRAKE MOTOR LOW REF PARK BRAKE APPLY SW SIGNAL PARK BRAKE APPLY SW VOLT REF PARK BRAKE CONTROL SWITCH PARK BRAKE IND PARK BRAKE REL SW SIGNAL PARK BRAKE REL SW VOLT REF PARK BRAKE SW SUPPLY VOLT PARK BRAKE SWITCH SIGNAL RED/GRY WIRE RED/YEL WIRE RIGHT PARK BRAKE ACTUATOR RR PARK BRAKE MOTOR APPLY CTRL RR PARK BRAKE MOTOR LOW REF SERVICE PLUG PARK BRAKE IND SIG GND UNDERHOOD FUSE BLOCK VIO/GRY WIRE WHT WIRE YEL WIRE YEL/RED WIRE

A/C COMPRESSOR A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY A/C COMPRESSOR SOLENOID VALVE A/C ON IND A/C ON SWITCH AUTO IND AUTO SWITCH AUXILIARY COOLANT PUMP RELAY AUXILIARY HEATER COOLANT PUMP BATTERY FUSE BLOCK BLK WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/YEL WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DEFROST, LOWER AIR OUTLET IND FAN SPEED HIGH SWITCH FAN SPEED LOW SWITCH GRN WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED HVAC CONTROLS LEFT OF BATTERY) LOGIC LOWER AIR OUTLET IND LOWER AIR OUTLET SWITCH NCA WIRE RECIRCULATION IND RECIRCULATION SWITCH RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE START STOP IND START/STOP SWITCH SYNC IND SYNC SWITCH UNDERHOOD FUSE BLOCK UPPER AIR OUTLET IND VIO/GRY WIRE WHT/GRY WIRE WINDSHIELD DEFROST IND YEL/BLU WIRE

AIR INLET DOOR ACTUATOR BATT POS BLK WIRE BLU/WHT WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INSTRUMENT CLUSTER LEFT AIR TEMPERATURE DOOR ACTUATOR LEFT OF BATTERY) LOGIC MOST SERIAL DATA (+) POWER SUPPLY TRANSFORMER RED/BLK WIRE RED/GRN WIRE RED/GRY WIRE RIGHT AIR TEMPERATURE DOOR ACTUATOR SPLY UNDERHOOD FUSE BLOCK VIO/BLU WIRE VIO/GRY WIRE VOLT VOLT 1 WHT WIRE WHT/GRY WIRE WHT/PNK WIRE YEL/GRN WIRE

BATTERY POSITIVE VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ELECTRONIC BRAKE CONTROL MODULE (LEFT REAR OF ENGINE COMPT) GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE HI SPD GMLAN SERIAL DATA (+) 1 BATTERY POSITIVE VOLTAGE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT IND INSTRUMENT CLUSTER LEFT OF BATTERY) LEFT PARK BRAKE ACTUATOR LOGIC LOW SPD GMLAN SER DATA 2 LR PARK BRAKE MOTOR APPLY CTRL LR PARK BRAKE MOTOR LOW REF PARK BRAKE APPLY SW SIGNAL PARK BRAKE APPLY SW VOLT REF PARK BRAKE CONTROL SWITCH PARK BRAKE IND PARK BRAKE REL SW SIGNAL PARK BRAKE REL SW VOLT REF PARK BRAKE SW SUPPLY VOLT PARK BRAKE SWITCH SIGNAL RED/GRY WIRE RED/YEL WIRE RIGHT PARK BRAKE ACTUATOR RR PARK BRAKE MOTOR APPLY CTRL RR PARK BRAKE MOTOR LOW REF SERVICE PLUG PARK BRAKE IND SIG GND UNDERHOOD FUSE BLOCK VIO/GRY WIRE WHT WIRE YEL WIRE YEL/RED WIRE