Chevrolet Blazer III (2018-2023) body control module Wiring diagrams

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

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

2.0L TURBO ACTIVE GRILLE AIR SHUTTER 1 ACTUATOR BATTERY BATTERY SENSOR MODULE BLK WIRE BODY CONTROL MODULE BRAKE FLUID LEVEL SWITCH BRAKE MASTER CYLINDER) BRAKE SYSTEM CONTROL MODULE ELECTRONIC BRAKE CONTROL MODULE ENGINE COOLANT PUMP EXCEPT 2.0L TURBO GRN WIRE HIGH BEAM SOLENOID ACTUATOR RELAY HORN ASSEMBLY IGNITION MAIN RELAY LEFT FRONT SIDE MARKER LAMP LEFT FRONT TURN SIGNAL LAMP LEFT HEADLAMP LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP BALLAST LEFT HIGH BEAM SOLENOID ACTUATOR LEFT PARK DAYTIME RUNNING LAMP LOGIC REAR WINDOW WASHER PUMP REAR WINDOW WASHER PUMP RELAY REAR WIPER RELAY RIGHT FRONT SIDE MARKER LAMP RIGHT FRONT TURN SIGNAL LAMP RIGHT HEADLAMP RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP BALLAST RIGHT HIGH BEAM SOLENOID ACTUATOR RIGHT PARK DAYTIME RUNNING LAMP STARTER PINION SOLENOID ACTUATOR RELAY STARTER RELAY TOP OF ENGINE) W/ LED W/O LED WINDSHIELD WASHER FLUID LEVEL SWITCH WINDSHIELD WASHER PUMP WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER MOTOR WINDSHIELD WIPER RELAY

2 WAY ACCESSORY DC/ AC POWER INVERTER MODULE ACTIVE NOISE CANCELLATION MODULE AUDIO AMPLIFIER BATTERY SERVICE RELAY 2 BLK WIRE BLK/WHT WIRE BLUNT CUT) BODY CONTROL MODULE DIFFERENTIAL CLUTCH PUMP SHIELD DRIVER BACK SEAT BLOWER MOTOR DRIVER CUSHION SEAT BLOWER MOTOR DRIVER LEFT REAR SEAT HAPTIC MOVEMENT MOTOR DRIVER RIGHT REAR SEAT HAPTIC MOVEMENT MOTOR DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT LUMBAR SUPPORT SWITCH DRIVER SEAT MEMORY CONTROL MODULE DRIVER WINDOW MOTOR ENGINE HOOD SWITCH FUEL FILL DOOR LOCK RELAY FUEL PUMP DRIVER CONTROL MODULE INFO DISPLAY MODULE INSTRUMENT PANEL COMPT DOOR UNLATCH ACTUATOR RELAY KEYLESS ENTRY CONTROL MODULE LEFT REAR DOOR HANDLE FLOOD LAMP LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR EXTERIOR DOOR HANDLE ASSEMBLY LEFT REAR SEAT HEATING SWITCH LEFT REAR WINDOW SWITCH LOGIC NCA WIRE OUTSIDE REAR VIEW MIRROR HEATER RELAY PARKING ASSIST CONTROL MODULE RADIO REAR DEFOGGER RELAY REAR DIFFERENTIAL CLUTCH CONTROL MODULE REAR SEAT HEATING CONTROL MODULE RIGHT REAR DOOR HANDLE FLOOD LAMP RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR EXTERIOR DOOR HANDLE ASSEMBLY RIGHT REAR SEAT HEATING SWITCH RIGHT REAR WINDOW SWITCH LOGIC TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE TRAILER BACKUP LAMPS RELAY TRAILER BRAKES PROVISION VIDEO PROCESSING CONTROL MODULE W/ ACTIVE NOISE W/ BRAKE PREFILL INTEGRATED BRAKE ASSIST W/ ONSTAR W/ VENTILATED SEAT W/O ACTIVE NOISE WHT 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

BATTERY FUSE BLOCK BLK WIRE BODY CONTROL MODULE BRN WIRE BRN/WHT WIRE GRN WIRE GRN/WHT WIRE GRY WIRE HORN ASSEMBLY HORN RELAY HORN RLY CTRL HORN SW SIG HORN SWITCH HOT AT ALL TIMES LEFT OF BATTERY) NCA WIRE RED WIRE STEERING WHEEL AIR BAG COIL UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE

BATT POS VOLT BLK WIRE BLU WIRE BLU/WHT WIRE BODY CONTROL MODULE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENDGATE LATCH RELAY COIL CONTROL EXTERIOR LIFTGATE CONTROL SWITCH GMLAN SERIAL DATA GND ENDGATE LATCH RELAY CONTROL GRN WIRE GRN/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LGATE AJAR SW SIG 1 LIFTGATE LATCH LIFTGATE UNLATCH RELAY LOGIC LOW SPD GMLAN SERIAL DATA 2 NCA WIRE REAR BODY FUSE BLOCK RED WIRE RED/VIO WIRE RR CLOSURE HNDL SW OPEN SIG VIO WIRE VIO/GRY WIRE WHT WIRE YEL WIRE YEL/BLU WIRE

2.5L 3.6L ACC WAKEUP SERIAL DATA AMBIENT LIGHT/ SUNLOAD SENSOR BATT POS VOLT BLK WIRE BLK/GRN WIRE BLU/BLK WIRE BODY CONTROL MODULE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE HOOD SWITCH GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE HOOD AJAR SW SIG HOOD OPEN SW SIG HOT AT ALL TIMES HVAC CONTROL MODULE IMMOBILIZER CONTROL MODULE (UNDER CENTER CONSOLE) IMMOBILIZER CTRL IMMOBILIZER LOW REF INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT OF BATTERY) LIN SERIAL DATA BUS 11 LO SPD GMLAN SER DATA LOGIC LOW SPD GMLAN SERIAL DATA 2 NETWORK SER DATA BUS 9 POWER SUPPLY TRANSFORMER RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE SECURITY INDICATOR SECURITY INDICATOR CTRL SERIAL DATA (+) (3) SERIAL DATA COMM ENABLE SIG GND SOLAR SENSOR LOW REF UNDERHOOD FUSE BLOCK VIO/YEL WIRE WHT WIRE WHT/BLU WIRE YEL WIRE

BATT POS VOLT BLK WIRE BLK/GRY WIRE BLU WIRE BODY CONTROL MODULE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY FRONT WINDSHIELD WIPER SW HIGH SIG GRN/WHT WIRE GRY WIRE GRY/GRN WIRE HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT OF BATTERY) LOGIC LOW SPD GMLAN SERIAL DATA 2 LOW WASHER FLUID IND CTRL POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER REAR WIND WASHER RLY CTRL REAR WIND WIPER SW SIG REAR WIPER MTR RLY COIL CTRL RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE SIG GND UNDERHOOD FUSE BLOCK VIO WIRE WHT WIRE WHT/BLK WIRE WHT/VIO WIRE WINDSHIELD WASHER RLY CTRL WINDSHIELD WASHER SW SIG WINDSHIELD WIPER MOTOR WINDSHIELD WIPER MTR PARK SW SIG WINDSHIELD WIPER MTR RLY COIL CTRL WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY WINDSHIELD WIPER SW HIGH SIG WINDSHIELD WIPER SW LOW REF WINDSHIELD WIPER SW LOW SIG YEL WIRE YEL/BLU WIRE YEL/BRN WIRE