Chevrolet Blazer III (2018-2023) auxiliary heater coolant pump 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 2.0L TURBO 3.6L A/C COMPRESSOR A/C COMPRESSOR CLUTCH AUXILIARY AUDIO INPUT LOGIC AUXILIARY HEATER COOLANT PUMP BATTERY SERVICE RELAY 2 BLK WIRE BLK/WHT WIRE BLOCK ENGINE COOLANT FLOW CONTROL VALVE BLOWER MOTOR CENTER CONSOLE COMPARTMENT ACCESSORY POWER RECEPTACLE CENTER CONSOLE CUPHOLDER ACCENT LAMP CENTER CONSOLE REAR USB RECEPTACLE LOGIC DRIVE MODE SELECT SWITCH ENGINE CONTROL MODULE ENGINE COOLANT FLOW CONTROL VALVE EVAPORATIVE EMISSION PURGE PUMP EXCEPT 2.0L TURBO GARAGE DOOR OPENER HAZARD WARNING SWITCH HVAC CONTROL MODULE IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 IGNITION COIL 5 IGNITION COIL 6 INSTRUMENT PANEL ACCENT LAMP INSTRUMENT PANEL COMPARTMENT LAMP INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL FUSE BLOCK RELAY ASSEMBLY LEFT FRONT FLOOR COURTESY LAMP LEFT SUNSHADE MOBILE DEVICE WIRELESS CHARGER MODULE NCA WIRE PARK BRAKE CONTROL SWITCH PARK POSITION SWITCH RETAINED ACCESSORY POWER RELAY 1 RETAINED ACCESSORY POWER RELAY 2 RIGHT FRONT FLOOR COURTESY LAMP RIGHT INSTRUMENT PANEL ACCENT LAMP RIGHT SUNSHADE TRANSMISSION CONTROL MODULE TRANSMISSION SHIFT LEVER TRANSMISSION SHIFT LEVER POSITION INDICATOR TRANSMISSION SHIFT LOCK CONTROL SOLENOID ACTUATOR UP/DOWN TRANSMISSION MANUAL SHIFT SWITCH USB RECEPTACLE LOGIC W/ INTERIOR LAMP PACKAGE WHT WIRE