Chevrolet Blazer III facelift (2022-2024) underhood fuse block Wiring diagrams

BATT POSITIVE VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE COMPUTER DATA LINES SYSTEM COURTESY LP SW SIG FRONT OVERHEAD CONSOLE ASSEMBLY GRN/GRY WIRE GRY WIRE GRY/GRN WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES INADVERTENT PWR CTRL INSTRUMENT PANEL FUSE BLOCK INTR LP CTRL INTR LP DEFEAT SW SIG LED AMBIENT LIGHTING CTRL 1 LED AMBIENT LIGHTING CTRL 2 LEFT CARGO LAMP LEFT FRONT FLOOR COURTESY LAMP LEFT OF BATTERY) LOGIC POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER REAR COMPARTMENT COURTESY LP CTRL RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT CARGO LAMP RIGHT FRONT FLOOR COURTESY LAMP UNDERHOOD FUSE BLOCK VIO/GRN WIRE WHT WIRE WHT/BRN WIRE WHT/YEL WIRE

12 VOLT REF 2.0L TURBO 3.6L ACCELERATE SW SIG ACCELERATOR PEDAL POSITION SENSOR APP 5 VOLT REF 1 APP LOW REF 1 APP LOW REF 2 APP SIG (1) APP SIG (2) BATT POS VOLT 1 BATT POS VOLT 27 BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BRAKE APPLY SENS CTRL BRAKE APPLY SENS LOW REF BRAKE APPLY SENS VOLT REF BRAKE POS SENS SIG BRAKE SENS LOW REF BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CANCEL SWITCH COMPUTER DATA LINES SYSTEM CRUISE SWITCH CRUISE/ETC/TCC BRK SIG CRUISE/ETC/TCC/BRK SIG ENGINE CONTROL MODULE (MOUNTED AT RIGHT SIDE OF BATTERY) ENGINE CONTROLS SYSTEM FORWARD COLLISION ALERT WARNING SWITCH GAP UP/DOWN SW SIG GAP UP/GAP DOWN SWITCH GND 17 GRN/ORG WIRE GRN/WHT WIRE GRY/GRN WIRE HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED J127 (3.6L) J128 (2.OL TURBO) LEFT OF BATTERY) LEFT STEERING WHEEL CONTROLS SWITCH LOGIC RED/WHT WIRE RES+ SET- STEERING WHEEL AIR BAG COIL THROTTLE ACT CTRL CLOSE THROTTLE ACT CTRL OPEN THROTTLE POS SENS LOW REF UNDERHOOD FUSE BLOCK VIO WIRE VIO/GRY WIRE W/ ADAPTIVE CRUISE CONTROL W/O ADAPTIVE CRUISE CONTROL WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/WHT WIRE

2.0L TURBO 3.6L AUTOMATIC TRANSMISSION ASSEMBLY BLK/BRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRAKE PEDAL POSITION SENSOR COMPUTER DATA LINES SYSTEM CRUISE IND DISPLAY GRN/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT CLUSTER LIN BUS 1 INSTRUMENT PANEL FUSE BLOCK LEFT OF BATTERY) LOGIC LOW SPD GMLAN SERIAL DATA NCA WIRE OUT SPD SIG POWER SUPPLY TRANSFORMER RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE SER DATA (-) (1) TRANSMISSION CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) TRANSMISSION OUTPUT SHAFT SPEED SENSOR UNDERHOOD FUSE BLOCK VIO/GRY WIRE WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL/GRN 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 HVAC CTRL MODULE LIN BUS 1 LEFT OF BATTERY) LOGIC N/A OUTSIDE REAR VIEW MIRROR HEATER RELAY PASSENGER OUTSIDE REAR VIEW MIRROR GLASS PASSENGER OUTSIDE REAR VIEW MIRROR 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

AMBIENT LIGHT SENS SIG AMBIENT LIGHT/ SUNLOAD SENSOR AUTO BATTERY POSITIVE VOLTAGE BATTERY POSITIVE VOLTAGE HDLP SW OFF SIG BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BODY CONTROL MODULE COMPUTER DATA LINES SYSTEM FLASH TO PASS GND BATTERY POSITIVE VOLTAGE GRN/BLK WIRE GRN/BRN WIRE GRY/BLU WIRE HDLP AUTOMATIC HI BEAM CTRL HDLP DIM SW HI BEAM SIG HDLP SW FLASH SIG HDLP SW ON SIG HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES HVAC CONTROL MODULE INSTRUMENT PANEL FUSE BLOCK LEFT DAYTIME RUNNING LAMP, LEFT FRONT DRL CONTROL LEFT HDLP LOW BEAM CTRL LEFT HEADLAMP ASSEMBLY LEFT HIGH BEAM HEADLAMP LEFT OF BATTERY) LOGIC LOW REF POWER SUPPLY TRANSFORMER RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DRL CONTROL RIGHT HDLP HI BEAM CTRL RIGHT HDLP LOW BEAM CTRL TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK VENTILATING FAN WHT WIRE WHT/BLU WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE

BLK WIRE BLK/RED WIRE BLU WIRE COMPUTER DATA LINES SYSTEM GRN WIRE GROUND GRY WIRE GRY/ORG WIRE HEATED STEERING WHEEL IND HEATED STEERING WHEEL SWITCH HEATING HI CTRL GROUND HEATING TEMP SEN SIG GROUND HOT W/ IGNITION MAIN RELAY ENERGIZED HVAC CTRL MODULE LIN BUS 2 IGN 1 VOLT LEFT OF BATTERY) LEFT STEERING WHEEL CONTROLS SWITCH LOGIC NCA WIRE ORG/ WIRE RED WIRE RIGHT STEERING WHEEL CONTROLS SWITCH STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATER (INSIDE STEERING WHEEL) STEERING WHEEL HEATING CONTROL MODULE SW LED CTRL SW SIG UNDERHOOD FUSE BLOCK VIO WIRE WHT WIRE

AUXILIARY AUDIO INPUT BATT POS VOLT BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BODY CONTROL MODULE BRN/WHT WIRE CENTER CONSOLE REAR USB RECEPTACLE COMPUTER DATA LINES SYSTEM DIMMER SW LOW REF DIMMER SW SIG DOME LP OFF INDICATOR CTRL DRIVE MODE SELECT SWITCH GRN WIRE GRN/YEL WIRE HAZARD WARNING SWITCH HEADLAMP SWITCH HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HVAC CONTROLS IGNITION MODE SWITCH INDICATOR DIMMING CTRL INSTRUMENT PANEL FUSE BLOCK LED BACKLIGHT DIMMING CTRL LEFT OF BATTERY) LIN SERIAL DATA BUS 3 LOGIC LR HEATED SEAT HI INDICATOR CTRL PARK BRAKE CONTROL SWITCH POWER SUPPLY TRANSFORMER RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RR HEATED SEAT HI INDICATOR CTRL STEERING WHEEL AIR BAG COIL STOP/START INDICATOR CTRL UNDERHOOD FUSE BLOCK USB RECEPTACLE VEHICLE STABILITY CONTROL SWITCH WHT WIRE YEL WIRE YEL/GRY WIRE

ACC IGN VOLT ACTV SIG GND AMBIENT LIGHT/SUNLOAD SENSOR BATT POS VOLT 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 LK CTRL 2 DR LOCK ACTR UNLK CTRL DRIVER DOOR LOCK SWITCH DRV DR LK SW LK SIG DRV DR LK SW UNLK SIG FUEL DR LK RLY CTRL INSTRUMENT PANEL COMPT DOOR UNLATCH RELAY CTRL GLOVE BOX SWITCH GRN WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/WHT WIRE HOOD AJAR SW SIG IGN MODE SW CHALLENGE ACT SIG HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES HVAC CONTROL MODULE IND DIMMING CTRL INSTRUMENT PANEL COMPT DOOR UNLATCH SIG INSTRUMENT PANEL FUSE BLOCK LEFT OF BATTERY) LO SPD GMLAN SERIAL DATA 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 CTRL DOOR LOCK RECEIVER CTRL REMOTE CTRL DOOR LOCK RECEIVER LO REF REMOTE CTRL DOOR LOCK RECEIVER TRANSMIT SIG RUN/CRANK IGN 1 VOLT SECURITY IND CTRL REMOTE CTRL DOOR LOCK RECEIVER RECEIVE SIG 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

AUDIO CONTROL MICROPHONE LOW REF AUDIO SIG MICROPHONE SIG BATT POS VOLTAGE BATTERY POS VOLT BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/RED WIRE BRN/BLK WIRE BRN/BLU WIRE COAX BG COAX BG WIFI COMPUTER DATA LINES SYSTEM DISPLAY DISPLAY SIGNAL (-) ETHERNET BUS 4 (-) ETHERNET BUS 6 (-) ETHERNET BUS 7 (-) GRN/BLK WIRE GRN/RED WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/WHT WIRE GRY/YEL WIRE GY LVDS INFOTAINMENT DISP SIG HOT AT ALL TIMES INFO DISPLAY MODULE INFOTAINMENT INSTRUMENT PANEL FUSE BLOCK LEFT OF BATTERY) LOGIC LR SPEAKER SIG (-) LVDS MICROPHONE (-) LOW REF MICROPHONE SIG NCA WIRE ORG/RED WIRE POWER SUPPLY TRANSFORMER RADIO RADIO CONTROLS RADIO PRESETS STEERING WHEEL CONTROLS SWITCH RADIO VOLUME STEERING WHEEL CONTROLS SWITCH RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT MOBILE TELEPHONE MICROPHONE SIG GND UNDERHOOD FUSE BLOCK VIO/YEL WIRE W/ ONSTAR W/O ONSTAR WLAN WIRELESS COMMUNICATION ANTENNA

AUDIO LOW REF MICROPHONE LOW REF AUDIO SIG MICROPHONE SIG BACKUP LAMP CTRL BATT POS VOLTAGE BATTERY POS VOLT BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/RED WIRE COMPUTER DATA LINES SYSTEM DISPLAY DISPLAY SIGNAL (-) GRN/RED WIRE GRN/WHT WIRE GROUND GRY/GRN WIRE GRY/YEL WIRE GY LVDS INFOTAINMENT DISP SIG HIGH SPEED GMLAN HOT AT ALL TIMES INFO DISPLAY MODULE INFOTAINMENT INSTRUMENT PANEL FUSE BLOCK LEFT OF BATTERY) LOGIC LOW SPD GMLAN SER DATA 2 LVDS MICROPHONE (-) LOW REF MICROPHONE SIG NCA WIRE ORG/RED WIRE POWER SUPPLY TRANSFORMER RADIO RADIO CONTROLS RADIO PRESETS STEERING WHEEL CONTROLS SWITCH RADIO VOLUME STEERING WHEEL CONTROLS SWITCH RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT MOBILE TELEPHONE MICROPHONE SER DATA (+) 9 SER DATA COMM ENABLE SIG GND UNDERHOOD FUSE BLOCK VIO/YEL WIRE W/ ONSTAR W/O ONSTAR WHT/BLU WIRE WHT/GRN WIRE