Chevrolet Blazer III (2018-2023) brn/vio Wiring diagrams

AMBIENT LIGHT/SUNLOAD SENSOR (TOP CENTER OF INSTRUMENT PANEL) BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLOWER MOTOR BLOWER SPD BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BLWR MTR SPD CTRL BODY CONTROL MODULE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS ELEC VARIABLE DISP CTRL ELEC VARIABLE DISP SPLY FEEDBACK SIG GRN WIRE GRN/BLU WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HUMIDITY SENS SIG HUMIDITY TEMP SENS SIG HVAC CONTROL MODULE (BEHIND HVAC CONTROLS) INSIDE AIR TEMP SENS SIG INSTRUMENT PANEL FUSE BLOCK LEFT OF BATTERY) LO SPD GMLAN SERIAL DATA LOGIC MTR SPD CTRL NCA WIRE REAR DEFOG RLY CTRL RED/BLU WIRE RED/VIO WIRE RUN/CRANK IGN 1 VOLT SERIAL DATA BUS 9 SOLAR SENS LO REF TEMP SENS LO REF TWILIGHT SENTINEL DELAY SIG UNDERHOOD FUSE BLOCK VIO WIRE VIO/GRY WIRE WHT WIRE WINDSCREEN TEMP SENS SIG WINDSHIELD TEMPERATURE, INSIDE MOISTURE SENSOR YEL WIRE YEL/BLU WIRE YEL/RED WIRE YEL/VIO WIRE

A/C EVAPORATOR TEMPERATURE SENSOR AIR INLET DR MTR CTRL 1 AIR INLET DR MTR CTRL 2 AIR INLET DR MTR CTRL 3 AIR INLET DR MTR CTRL 4 BLK WIRE BLK/GRY WIRE BLK/YEL WIRE BLU/WHT WIRE BRN/GRN WIRE BRN/VIO WIRE EVAP CORE TEMP SENS SIG GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BRN WIRE GRY/RED WIRE GRY/WHT WIRE HVAC CONTROL MODULE (BEHIND HVAC CONTROLS) HVAC MTR CTRL MODE DOOR ACTUATOR MODE DR MTR CTRL 1 MODE DR MTR CTRL 2 MODE DR MTR CTRL 3 MODE DR MTR CTRL 4 PASS MTR CTRL 1 PASS MTR CTRL 2 PASS MTR CTRL 3 PASS MTR CTRL 4 REAR MODE MTR CTRL RED/BLK WIRE RED/GRN WIRE RH UPR TEMP SENS SIG SENS LOW REF TEMP DR MTR CTRL 1 TEMP DR MTR CTRL 2 TEMP DR MTR CTRL 3 TEMP DR MTR CTRL 4 VIO/BLU WIRE WHT WIRE WHT/GRY WIRE WHT/PNK WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE

ACC WAKEUP SER DATA ACCESSORY IGN VOLT AIR CONDITIONING SYSTEM ANTI-THEFT SYSTEM BATT POSITIVE VOLT BATTERY FUSE BLOCK BATTERY POSITIVE VOLT BLK WIRE BLK/GRY WIRE BLOWER SPEED FEEDBACK SIGNAL BLU WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE BRN/GRN WIRE BRN/GRY WIRE BRN/VIO WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE CTRL GAP UP/DOWN SW SIG CRUISE/ETC/TCC BRAKE SIG DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, HEADLIGHTS SYSTEMS DOOR LOCKS, HORNS SYSTEMS DRIVER MODE 1 INDICATOR CTRL DRIVER MODE 2 INDICATOR CTRL DRIVER MODE 3 INDICATOR CTRL DRIVER MODE 4 INDICATOR CTRL ENDGATE LATCH RLY COIL CTRL ENDGATE LATCH RLY CTRL EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM FRT WINDSHIELD WIPER SW HI SIG GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE HAZARD SW LEFT TURN SIG HAZARD SW RIGHT TURN SIG HDLP DIMMER SW HI BEAM SIG HDLP HI BEAM RLY CTRL HDLP LOW BEAM RLY CTRL HDLP SW FLASH TO PASS SIG HEADLIGHTS SYSTEM HOOD AJAR SW SIG HORN RLY CTRL HORN SW SIG HORNS SYSTEM HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT PARK LAMP CTRL LEFT TRAILER TURN SIG LP CTRL LF DRL CTRL LF TURN SIG LP CTRL LIN SER BUS 11 LOGISTIC MODE RLY CLOSE CTRL LR TURN SIG LP CTRL NAVIGATION, CRUISE CONTROL SYSTEMS PARK LP RLY CTRL POWER DISTRIBUTION SYSTEM PUSH BUTTON ST CHALLENGE ACTV SIG RAP RLY SW CTRL REAR LICENSE LP CTRL REAR WINDOW WASHER RLY CTRL REAR WIPER MOTOR RLY COIL CTRL RED WIRE RED/GRN WIRE RED/WHT WIRE RF DRL CTRL RF TURN SIG LP CTRL RIGHT HDLP HI BEAM CTRL RIGHT PARK LAMP CTRL RIGHT TRAILER TURN SIG LP CTRL RR TURN SIG LP CTRL RUN/CRANK IGN 1 VOLT RUN/CRANK RLY COIL CTRL WINDSHIELD WIPER MTR RLY COIL CTRL SER DATA COMMUNICATION ENABLE SET/COAST/RESUME/ACC SW SIG STOP LAMP RLY COIL CTRL TRANSMISSIONS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM VEHICLE IMMOBILIZER CTRL VEHICLE IMMOBILIZER LOW REF VIO/BLK WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE WINDSHIELD WASHER RLY CTRL WINDSHIELD WASHER SW SIG WINDSHIELD WIPER MTR PRK SW SIG WINDSHIELD WIPER SW HI SIG WINDSHIELD WIPER SW LOW REF WINDSHIELD WIPER SW LOW SIG WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM EXTERIOR LIGHTS SYSTEM WIPER/WASHER SYSTEM HEADLIGHTS SYSTEM WIPER/WASHER SYSTEM POWER DISTRIBUTION SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/WHT WIRE

16 17 LOGISTIC MODE RELAY OPEN CTRL BACKUP LP CTRL BLK WIRE BLU WIRE BLU/GRY WIRE BODY CONTROL MODULE BRN WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COURTESY LP SW SIG DOME LAMP OFF INDICATOR CTRL DOOR LOCK ACT LOCK CTRL DOOR LOCK ACT LOCK CTRL 2 DOOR LOCK ACT UNLK CTRL DOOR LOCKS, ANTI-THEFT SYSTEMS FUEL DOOR LOCK RELAY CTRL GLOVE BOX DOOR RELEASE RLY CTRL GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/WHT WIRE HI SD GMLAN SER DATA (+) 1 HI SD GMLAN SER DATA (-) 1 STOP/START INDICATOR CTRL HI SPD GMLAN SER DATA (+) 1 HI SPD GMLAN SER DATA (-) (1) TRAILER BRAKE APPLY SIG INADVERTENT POWER CTRL INTERIOR LIGHTS, SEATS SYSTEMS INTERIOR LP CTRL KEY CAPTURE/COLUMN LOCK SHIFT POS SIG LED AMBIENT LIGHTING CTRL 1 LED BACKLIGHT DIMMING CTRL LIFT GATE AJAR SW SIG 1 LIN SER DATA BUS 1 LIN SER DATA BUS 2 LIN SER DATA BUS 3 LOW SPD GMLAN SER DATA LR HEATED SEAT HIGH INDICATOR CTRL LR HEATED SEAT SW SIG PARK LOCK SOL CTRL PASS DOOR LCK SW UNLCK CTRL WIRELESS CHARGING SYSTEM CHARGE INDICATOR CTRL PASSENGER DOOR LOCK SW LOCK CTRL POWER DISTRIBUTION SYSTEM REAR CLOSURE HANDLE SW OPEN SIG REAR COMPARTMENT LID LP CTRL RR HEATED SEAT HIGH INDICATOR CTRL SEATS SYSTEM SHIFT INTERLOCK, TRANSMISSIONS SYSTEMS TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO/BLK WIRE VIO/BLU WIRE VIO/GRY WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/VIO WIRE WHT/YEL WIRE WIRELESS CHARGING SYSTEM FAULT INDICATOR CTRL RR HEATED SEAT SW SIG YEL WIRE YEL/BLU WIRE YEL/VIO WIRE

BATTERY FUSE BLOCK BLK WIRE BRN/VIO WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR GRN/YEL WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED HVAC CONTROL MODULE HVAC CONTROLS LEFT OF BATTERY) LOGIC NETWORK SERIAL DATA BUS 9 OUTSIDE REAR VIEW MIRROR HEATER RELAY PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS REAR BODY FUSE BLOCK REAR DEFOG RLY CTRL REAR DEFOGGER GRID REAR DEFOGGER IND REAR DEFOGGER RELAY REAR DEFOGGER SWITCH RED/VIO WIRE RUN/CRANK IGN 1 VOLT UNDERHOOD FUSE BLOCK VIO WIRE VIO/GRY 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 POSITIVE VOLT BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DRIVER BACK SEAT HEATING ELEMENT DRIVER CUSHION SEAT HEATING ELEMENT DRV HEATED BACK ELEMENT CTRL DRV HEATED BACK NTC SIG DRV HEATED SEAT ELEMENT CTRL DRV HEATED SEAT ELEMENT LO REF DRV HEATED SEAT NTC LO REF DRV HEATED SEAT NTC SIG DRV SEAT VENT MTR CTRL 1 FRONT SEAT HEATING CONTROL MODULE (UNDER FRONT PASSENGER SEAT) GRN/BLU WIRE GRN/VIO WIRE GRY/BLK WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK NCA WIRE PASS HEATED BACK ELEMENT CTRL PASS HEATED BACK NTC LO REF PASS HEATED BACK NTC SIG PASS HEATED SEAT ELEMENT CTRL PASS HEATED SEAT ELEMENT LO REF PASS HEATED SEAT NTC LO REF PASS HEATED SEAT NTC SIG PASS SEAT VENT MTR CTRL 1 PASSENGER BACK SEAT HEATING ELEMENT PASSENGER CUSHION SEAT HEATING ELEMENT RED/GRY WIRE RED/YEL WIRE SERIAL DATA BUS 2 VIO WIRE VIO/WHT WIRE W/O VENTILATED SEATS WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE YEL/GRY WIRE

AMBIENT LIGHT SENS SIG AMBIENT LIGHT/ SUNLOAD SENSOR AUTO BATTERY FUSE BLOCK BATTERY POSITIVE VOLTAGE BATTERY POSITIVE VOLTAGE HDLP SW OFF SIG CTRL BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BODY CONTROL MODULE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM FLASH TO PASS GND BATTERY POSITIVE VOLTAGE GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRY/BLU WIRE HDLP AUTOMATIC HI BEAM DIM CTRL HDLP DIMMER SW HI BEAM SIG HDLP HI BEAM RLY CTRL HDLP LO BEAM RLY CTRL HDLP LW BEAM RLY CTRL HDLP SW FLASH TO PASS SIG HDLP SW ON SIG HI SPD GMLAN SER DATA (+) 1 HI SPD GMLAN SER DATA+1 HIGH BEAM SOLENOID ACTUATOR RELAY HOT AT ALL TIMES HVAC CONTROL MODULE LEFT FRONT DRL CONTROL LEFT HEADLAMP LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP BALLAST LEFT HEADLAMP LOW BEAM RELAY LEFT HIGH BEAM SOLENOID ACTUATOR LEFT LOW BEAM HEADLAMP LEFT OF BATTERY) LEFT PARK DAYTIME RUNNING LAMP LOW REF NCA WIRE RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DRL CONTROL RIGHT HDLP HI BEAM CTRL RIGHT HEADLAMP LOW BEAM RELAY TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK W/ LED W/O LED WHT WIRE WHT/BLU WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/WHT 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

AWD IND AWD INDICATOR CTRL BATT POS VOLT BLK WIRE BLK/VIO WIRE BLU WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BRN/GRN WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DIFFERENTIAL CLUTCH PUMP DRIVER INFORMATION CENTER DISPLAY DRIVER MODE 2 IND CTRL DRIVER MODE 4 IND CTRL DRIVER MODE 5 IND CTRL DRIVER MODE SELECT SWITCH GMLAN SERIAL DATA (+) 1 BATT POS VOLT GMLAN SERIAL DATA - 1 GMLAN SERIAL DATA 2 GRN/BRN WIRE GROUND GRY/GRN WIRE HI CTRL SIG HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 2 ENERGIZED IND DIMMING CTRL INSTRUMENT CLUSTER LO CTRL SIG LOGIC MODE 2 IND MODE 4 IND MODE 5 IND MTR U-PHASE MTR V-PHASE MTR W-PHASE NCA WIRE POS SENS LO REF POS SENSOR SIGNAL POWER TRANSFER UNIT SHIFT ACTUATOR PWR TRANSFER MTR CTRL A PWR TRANSFER MTR CTRL B REAR BODY FUSE BLOCK REAR DIFFERENTIAL CLUTCH CONTROL MODULE REAR DIFFERENTIAL CLUTCH SOLENOID VALVE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE SENS (+) SIG 3 SENS LO VOLT SENS SIG 1 SENS SIG 2 SENS SPLY VOLT SENS VOLT REF SERIAL DATA 2 SERIAL DATA COM ENABLE VIO WIRE VIO/BRN WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/ORG WIRE WHT/RED WIRE YEL/BLU WIRE