Chevrolet Blazer III (2018-2023) auxiliary coolant pump relay 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 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

2.5L 3.6L AUXILIARY COOLANT PUMP RELAY AUXILIARY HEATER COOLANT PUMP BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM COOLING FAN CTRL SIG COOLING FAN MOTOR DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND ENGINE COOLANT TEMPERATURE SENSOR GRN/VIO WIRE GROUND GRY WIRE GRY/BLU WIRE HI SPEED GMLAN SERIAL DATA (-) 1 HI SPEED GMLAN SERIAL DATA (-) 3 HOT AT ALL TIMES HOT W/ HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HTR RELAY CTRL IGNITION MAIN RELAY INSTRUMENT CLUSTER LOGIC MOST SERIAL DATA (+) NCA WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RLY SPD SIG SIG GND SIG GND SENS LOW REF TEMP SENS SIG UNDERHOOD FUSE BLOCK VIO/GRY WIRE W/ TRAILER PROVISIONS W/O TRAILER PROVISIONS WHT WIRE YEL/BLU 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

2.5L 3.6L AUXILIARY COOLANT PUMP RELAY AUXILIARY HEATER COOLANT PUMP BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM COOLING FAN CTRL SIG COOLING FAN MOTOR DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND ENGINE COOLANT TEMPERATURE SENSOR GRN/VIO WIRE GROUND GRY WIRE GRY/BLU WIRE HI SPEED GMLAN SERIAL DATA (-) 1 HI SPEED GMLAN SERIAL DATA (-) 3 HOT AT ALL TIMES HOT W/ HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HTR RELAY CTRL IGNITION MAIN RELAY INSTRUMENT CLUSTER LOGIC MOST SERIAL DATA (+) NCA WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RLY SPD SIG SIG GND SIG GND SENS LOW REF TEMP SENS SIG UNDERHOOD FUSE BLOCK VIO/GRY WIRE W/ TRAILER PROVISIONS W/O TRAILER PROVISIONS WHT WIRE YEL/BLU WIRE

2.0L TURBO 2.5L 2.5L 3.6L 3.6L A/C COMPRESSOR CLUTCH RELAY AUXILIARY COOLANT PUMP RELAY BATTERY BATTERY FUSE BLOCK BATTERY SENSOR MODULE BLOWER MOTOR BODY CONTROL MODULE BRAKE MASTER CYLINDER) BRAKE SYSTEM CONTROL MODULE COOLING FAN MOTOR ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROL MODULE ENGINE COOLANT PUMP GENERATOR GENERATOR (2.0L TURBO) HIGH BEAM SOLENOID ACTUATOR RELAY HORN RELAY LEFT HEADLAMP LOW BEAM RELAY LEFT TRAILER STOP/ TURN SIGNAL LAMP RELAY LOGIC POWER STEERING CONTROL MODULE NCA WIRE REAR WINDOW WASHER PUMP RELAY REAR WIPER MOTOR REAR WIPER RELAY RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT HEADLAMP LOW BEAM RELAY RIGHT TRAILER STOP/ TURN SIGNAL LAMP RELAY STARTER MOTOR STARTER PINION SOLENOID ACTUATOR RELAY STARTER RELAY TO IGNITION MAIN RELAY (DIAGRAM 2 OF 9) TO INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 4 OF 9) TO INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 5 OF 9) TO POWER SUPPLY TRANSFORMER (DIAGRAM 7 OF 9) TO REAR BODY FUSE BLOCK (DIAGRAM 3 OF 9) TRAILER PARK LAMPS RELAY UNDERHOOD FUSE BLOCK (LEFT OF BATTERY) W/ HID W/ TRAILER PROVISIONS W/O TRAILER PROVISIONS WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY YEL WIRE

2.0L TURBO 2.5L 2.5L 2.0L TURBO 2.5L 3.6L 3.6L A/C COMPRESSOR CLUTCH RELAY ACTIVE GRILLE AIR SHUTTER 1 ACTUATOR AUXILIARY COOLANT PUMP RELAY BLU WIRE ENGINE CONTROL MODULE ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT FLOW CONTROL VALVE ENGINE COOLANT FLOW CONTROL VALVE BLOCK ENGINE OIL PRESSURE CONTROL SOLENOID VALVE EVAPORATIVE EMISSION PURGE SOLENOID VALVE EXHAUST CAMSHAFT PROFILE ACTUATOR 2 EXHAUST CAMSHAFT PROFILE ACTUATOR 3 FROM IGNITION MAIN RELAY (DIAGRAM 2 OF 9) HEATED OXYGEN SENSOR 1 HEATED OXYGEN SENSOR 2 HEATED OXYGEN SENSOR BANK 1 SENSOR 1 HEATED OXYGEN SENSOR BANK 1 SENSOR 2 HEATED OXYGEN SENSOR BANK 2 SENSOR 1 HEATED OXYGEN SENSOR BANK 2 SENSOR 2 IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 IGNITION COIL 5 IGNITION COIL 6 INTAKE CAMSHAFT POSITION ACTUATOR PARK LOCK SOLENOID VALVE BANK 1 INTAKE CAMSHAFT POSITION ACTUATOR PARK LOCK SOLENOID VALVE BANK 2 INTAKE CAMSHAFT PROFILE ACTUATOR 1 INTAKE CAMSHAFT PROFILE ACTUATOR 2 INTAKE CAMSHAFT PROFILE ACTUATOR 3 INTAKE CAMSHAFT PROFILE ACTUATOR 4 MULTI-FUNCTION INTAKE AIR SENSOR NCA WIRE TURBO CHARGER BYPASS SOLENOID VALVE VALVE LIFTER OIL SOLENOID VALVE BANK 1 VALVE LIFTER OIL SOLENOID VALVE BANK 2 VIO WIRE VIO/BLU WIRE YEL WIRE

A/C COMPRESSOR CLUTCH RELAY AUXILIARY COOLANT PUMP RELAY BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BRN/WHT WIRE CLUSTER COMPUTER COMPUTER DATA DATA LINES ENGINE CONTROLS IGNITION RELAY EXHAUST CAMSHAFT POSITION ACTUATOR SOLENOID VALVE FP LOW REF FPP RLY CTRL FUEL PUMP FUEL PUMP CTRL FUEL PUMP DRIVER CONTROL MODULE (ABOVE REAR AXLE) FUEL PUMP, LEVEL SENSOR ASSEMBLY FUEL TANK PRESSURE SENSOR GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INSTRUMENT INSTRUMENT CLUSTER SYSTEM LEFT OF BATTERY) LEVEL SENS SIG LINES SYSTEM LVL SENS SIG 2 NCA WIRE RED/VIO WIRE RED/YEL WIRE SENS SIG SER DATA (-) 7 SHIELD GND SOL VLV CTRL SYSTEM UNDERHOOD FUSE BLOCK VIO/BLU WIRE VIO/GRN WIRE VIO/WHT WIRE WAKE UP SIG WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

1 VOLTAGE 17 A/C COMPRESSOR CLUTCH RELAY AUXILIARY COOLANT PUMP RELAY BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BRAKE PEDAL POSITION SENSOR BRN/GRY WIRE BRN/WHT WIRE COMPUTER DATA DRIVE MODE SELECT SWITCH ENGINE CONTROLS IGNITION RELAY EVAP VENT SOLENOID FUEL PUMP ASSEMBLY FUEL PUMP CONTROL FUEL PUMP DRIVER CONTROL MODULE (ABOVE REAR AXLE) FUEL PUMP LOW REF FUEL PUMP PRIMARY FUEL TANK PRESSURE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GROUND 21 GRY WIRE HI SPEED GMLAN HIGH SPEED GMLAN HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM LEFT OF BATTERY) LINES SYSTEM POSITIVE VOLTAGE 26 POWERTRAIN SEN BUS PRIMARY FUEL LEVEL PWR MOD WK-UP SIG RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RELAY CONTROL RUN/CRANK IGNITION SEC FUEL LEVEL SEC FUSED BATTERY SELECTIVE CATA RED WIRE SENSOR SIGNAL SENSOR SIGNAL 2 SERIAL DATA (-) 7 SHIELD GROUND SYSTEM UNDERHOOD FUSE BLOCK VALVE CONTROL VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE YEL/VIO WIRE

A/C COMP CLUTCH RLY CTRL A/C COMPRESSOR CLUTCH RELAY A/C REFRIGERANT PRESSURE SENS SIG ACC WAKE-UP SERIAL DATA AIR CONDITIONING SYSTEM AIR TEMP SENS SIG APP LOW REF 1 APP LOW REF 2 APP SIG (1) APP SIG (2) AUXILIARY COOLANT PUMP RELAY BATT POS VOLT BATTERY FUSE BLOCK BLK/BLU WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BRK POSITION SENS SIG BRK VACUUM SENS SIG BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRK SIG DOOR LOCKS, ANTI-THEFT SYSTEMS DRV MODE SW SIG ENGINE CONTROL MODULE ENGINE CONTROLS IGNITION RELAY ENGINE IND CTRL EVAPORATIVE EMISSION VENT SOLENOID VALVE FUEL PUMP PRIMARY RELAY CTRL FUSED SPLY 1 FUSED SPLY 2 FUSED SPLY 3 GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE HI SPD GMLAN SERIAL DATA (+) (3) HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) 7 HOOD OPEN SW SIG (PINS: 57 TO 59 NOT USED) 60 HOT AT ALL TIMES HUMIDITY SENS SIG IGN MODE SW MODE CTRL BACKUP (PINS: 61 TO 63 NOT USED) 64 LEFT OF BATTERY) LOW REF MASS AIR FLOW SENS SIG RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RLY COIL CTRL RUN/CRANK IGN 1 VOLT 1 SIG GND STARTER ENABLE RLY CTRL STARTER PINION SOL RELAY CTRL STARTING/CHARGING SYSTEM TRANSMISSIONS SYSTEM TURBOCHAGER COOLANT PUMP RLY CTRL UNDERHOOD FUSE BLOCK VIO/BLU WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE