Chevrolet Blazer III (2018-2023) lines system Wiring diagrams

BATT POS VOLT BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLOCK ENGINE COOLANT FLOW CONTROL VALVE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BRN/BLU WIRE BRN/GRY WIRE COMPUTER DATA COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL ENGINE COOLANT BYPASS VALVE ENGINE COOLANT FLOW CONTROL VALVE (BEHIND THROTTLE BODY) ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND ENGINE COOLANT TEMPERATURE SENSOR 3 ENGINE COOLANT TEMPERATURE SENSOR 4 GRN/BLK WIRE GRY/BLU WIRE INSTRUMENT CLUSTER LINES SYSTEM LOGIC MOST SERIAL DATA (+) RADIATOR COOLANT TEMPERATURE SENSOR SYSTEM VIO/BLU WIRE VIO/GRY WIRE WHT/RED WIRE YEL/BLK WIRE

AUXILIARY AUDIO INPUT BLK WIRE BLU/BLK WIRE BODY CONTROL MODULE COMPUTER COMPUTER DATA DATA LINES FROM UNDERHOOD FUSE BLOCK (DIAGRAM 1 OF 9) HVAC CONTROLS INFO DISPLAY MODULE INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT OF BATTERY) LINES SYSTEM PARKING ASSIST CONTROL MODULE RADIO RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE STARTING/CHARGING SYSTEM TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE TRANSMISSION CONTROL MODULE UNDERHOOD FUSE BLOCK USB RECEPTACLE VIO/BLK WIRE VIO/YEL WIRE W/ ONSTAR WHT WIRE YEL/BLK WIRE

1-2, 3-4, 5-6, 7-8, 21-22) AIR BAG IND BATT POSITIVE VOLT BLK/WHT WIRE BLU WIRE BLU/RED WIRE BLU/YEL WIRE BRN/ORG WIRE COMPUTER DATA COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY DRV KNEE MOD HI CTRL DRV KNEE MOD LO CTRL GRN WIRE GRY/GRN WIRE GRY/ORG WIRE HI SPEED GMLAN SERIAL DATA (+) (2) HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LINES SYSTEM LO SPD GMLAN SERIAL DATA LO SPEED GMLAN SERIAL DATA 2 LOGIC LOW SPEED GMLAN SERIAL DATA NCA WIRE ORG/BLU WIRE ORG/GRN WIRE ORG/VIO WIRE ORG/WHT WIRE PASS AIR BAG OFF INDICATOR CTRL PASS AIR BAG ON INDICATOR CTRL PASS IP MOD STAGE 1 HI CTRL PASS IP MOD STAGE 1 LO CTRL PASS IP MOD STAGE 2 HI CTRL PASS IP MOD STAGE 2 LO CTRL PASS SEAT BELT INDICATOR CTRL PASS SEAT BELT TENSION SENS PASS SEAT BELT TENSION SENS SIG PASSENGER INSTRUMENT PANEL AIR BAG PASSENGER PRESENCE MODULE PASSENGER SEAT BELT TENSION SENSOR REAR BODY FUSE BLOCK RED/GRN WIRE RED/WHT WIRE SEAT BELT IND SERIAL DATA COMMUNICATION ENABLE SHORTING BAR SIG GND SIG GROUND STEERING WHEEL AIR BAG STEERING WHEEL AIR BAG COIL STEERING WHEEL MOD STAGE 1 HI CTRL STEERING WHEEL MOD STAGE 1 LO CTRL STEERING WHEEL MOD STAGE 2 HI CTRL STEERING WHEEL MOD STAGE 2 LO CTRL VIO/ORG WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/ORG WIRE YEL/ORG 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

BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BRN/BLU WIRE BRN/WHT WIRE CLUSTER CLUSTER SYSTEM COMPUTER COMPUTER DATA CTRL DATA LINES EVAP VENT SOLENOID FUEL PUMP FUEL PUMP CTRL FUEL PUMP DRIVER CONTROL MODULE FUEL PUMP, LEVEL SENSOR ASSEMBLY GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRY WIRE GRY/WHT WIRE HI SPD GMLAN HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT WAKE UP SIG INSTRUMENT KNOCK SENSOR #2 KNOCK SENSOR 1 LEFT OF BATTERY) LINES SYSTEM LOW REF NCA WIRE POWER MODULE PRIMARY FUEL LEVEL SENSOR PRIMARY RELAY REAR BODY FUSE BLOCK RED/VIO WIRE SENS RLY CTRL SENS SIG SENS SIG 2 SERIAL DATA (-) 7 SHIELD GND SYSTEM UNDERHOOD FUSE BLOCK VALVE CONTROL VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE YEL/WHT WIRE