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

ACC IND ACTR LOW REF AMBIENT LIGHT SENS SIG ANTI-LOCK BRAKES SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS BACKUP LP CTRL BATT POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (UNDER CENTER OF INSTRUMENT PANEL, NEAR FLOOR) BRAKE APPLY SENS CTRL BRAKE APPLY SENS LOW REF BRAKE APPLY SENS SIG BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS DRIVER MODE 5 IND CTRL DRV DR LOCK SW LCK SIG DRV DR LOCK SW UNLK SIG ENGINE START/STOP SWITCH EXTERIOR LIGHTS SYSTEMS GLOVE BOX DOOR RELEASE SIG GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/GRN WIRE GRY/WHT WIRE HAZARD SW SIG HDLP AUTOMATIC HI BEAM DIM CTRL HDLP SW HDLPS OFF SIG CTRL HDLP SW PARK LP SIG HDLP SWITCH ON SIG HEADLIGHTS SYSTEM HI SPD GMLAN SER DATA (+) 1 HI SPD GMLAN SER DATA (+) 1 REMOTE FUNCTION ACTR RECEIVE SIG HOT AT ALL TIMES I/P LP DIMMER SW LOW REF I/P LP DIMMER SW SIG IGNITION MODE SW ACCESSORY LED SIG IGNITION MODE SW MODE VOLT IGNITION MODE SW START LED SIG IGNITION MODE SWITCH IND DIMMING CTRL INSTRUMENT PANEL FUSE BLOCK INTERIOR LIGHTS, NAVIGATION, TRANSMISSIONS SYSTEMS INTERIOR LP DEFEAT SW SIG LED AMBIENT LIGHTING CTRL 2 LED BACKLIGHT DIMMING CTRL LOW SPD GMLAN SER DATA MIRRORS SYSTEM NETWORK SER BUS 4 REAR WINDOW WIPER SW SIG RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE REMOTE FUNCTION ACTR CTRL REMOTE FUNCTION ACTR TRANSMIT SIG SECURITY IND CTRL START IND STOP/START SWITCH SIG TAP UP/TAP DOWN SW SIG TRACTION CTRL SW SIG 1 TRAILER BRAKE APPLY SIG TRANSMISSIONS SYSTEM VIO WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/VIO WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/GRN WIRE YEL/GRY 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

BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLANT DIVERTER VLV POS SIG COOLANT TEMP SIG COOLING FANS SYSTEM CRANKCASE PRESSURE SENSOR CTRL BANK 1 SENS 1 DRIVER MODE SELECT SWITCH DRIVER MODE SWITCH SIG ENGINE CONTROL MODULE (MOUNTED AT RIGHT SIDE OF BATTERY) ENGINE CTRL MODULE LIN BUS 1 ENGINE CTRL MODULE LIN BUS 2 ENGINE CTRL SENS LO REF 2 ENGINE OIL TEMPERATURE SENSOR FEEDBACK SIG FLUID TEMP SENS SIG FUEL PRESSURE SENSOR FUEL PRESSURE, TEMPERATURE SENSOR FUEL RAIL PRESSURE SENS SIG GND 3 GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/VIO WIRE GRY/WHT WIRE HEATED OXYGEN SENSOR 1 INLET TEMPERATURE SIG LOGIC MODE NCA WIRE OIL PRESS SENS SIG OIL TEMP SENS SIG PARK SW 2 SIG PRESS SENS SIG PRESS SENS SIG BANK 1 PRESS SIG PWR MOD WAKE-UP SIG RLY FUSED SPLY 5 SENS 2 SIG SENS LO REF 1 TRANSMISSIONS SYSTEM TURBOCHARGER BOOST SENSOR VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRY WIRE

"CHECK ENGINE" IND CTRL A/C COMPRESSOR CLUTCH RELAY A/C REFRIGERANT PRESS SENS SIG A/C REFRIGERANT PRESSURE SENSOR ACCELERATOR PEDAL POS SIG 1 ACCELERATOR PEDAL POS SIG 2 ACCELERATOR PEDAL POSITION SENSOR AFTER BOIL COOLENT PUMP RELAY CTRL AIR CONDITIONING SYSTEM AMBIENT AIR TEMP SENS SIG BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BRAKE POSITION SENS SIG BRAKE VACUUM SENS SIG BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG DOOR LOCKS, ANTI-THEFT SYSTEMS DRIVER MODE SW SIG ENGINE CONTROL MODULE EVAPORATIVE EMISSION VENT SOLENOID VALVE FUEL PUMP FUEL PUMP PRIMARY RLY CTRL FUEL PUMP, LEVEL SENSOR ASSEMBLY GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE HI SPD GMLAN SERIAL DATA (+) (3) HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) 7 HOOD OPEN SW SIG HOT AT ALL TIMES HUMIDITY SENS SIG IGNITION 1 VOLT IMS FEEDBACK SIG IMSM CTRL BACKUP INTAKE AIR TEMP SENS SIG LOW REF LOW REF (1) LOW REF 2 MASS AIR FLOW SENS SIG NCA WIRE PINION SOLENOID ACC RELAY CTRL POWERTRAIN MAIN RLY FUSED SPLY 1 POWERTRAIN MAIN RLY FUSED SPLY 2 POWERTRAIN RLY COIL CTRL REAR BODY FUSE BLOCK RED WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE STARTER ENABLE RELAY CTRL STARTING/CHARGING SYSTEM TRANSMISSIONS SYSTEM VIO WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/YEL WIRE WAKEUP SERIAL DATA WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/VIO WIRE YEL/WHT WIRE

A/C COMP CLUTCH RLY CTRL A/C COMPRESSOR CLUTCH RELAY A/C REFRIGERANT PRESSURE SENS SIG ACC WAKE-UP SERIAL DATA AIR CONDITIONING SYSTEM AIR TEMP SENS SIG APP LOW REF 1 APP LOW REF 2 APP SIG (1) APP SIG (2) AUXILIARY COOLANT PUMP RELAY BATT POS VOLT BATTERY FUSE BLOCK BLK/BLU WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BRK POSITION SENS SIG BRK VACUUM SENS SIG BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRK SIG DOOR LOCKS, ANTI-THEFT SYSTEMS DRV MODE SW SIG ENGINE CONTROL MODULE ENGINE CONTROLS IGNITION RELAY ENGINE IND CTRL EVAPORATIVE EMISSION VENT SOLENOID VALVE FUEL PUMP PRIMARY RELAY CTRL FUSED SPLY 1 FUSED SPLY 2 FUSED SPLY 3 GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE HI SPD GMLAN SERIAL DATA (+) (3) HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) 7 HOOD OPEN SW SIG (PINS: 57 TO 59 NOT USED) 60 HOT AT ALL TIMES HUMIDITY SENS SIG IGN MODE SW MODE CTRL BACKUP (PINS: 61 TO 63 NOT USED) 64 LEFT OF BATTERY) LOW REF MASS AIR FLOW SENS SIG RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RLY COIL CTRL RUN/CRANK IGN 1 VOLT 1 SIG GND STARTER ENABLE RLY CTRL STARTER PINION SOL RELAY CTRL STARTING/CHARGING SYSTEM TRANSMISSIONS SYSTEM TURBOCHAGER COOLANT PUMP RLY CTRL UNDERHOOD FUSE BLOCK VIO/BLU WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

BANK 1 SENS 1 BANK 1 SENS 2 BANK 2 SENS 1 BANK 2 SENS 2 BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BRN/BLU WIRE BRN/WHT WIRE CTRL CLOSE CTRL OPEN ENGINE CONTROL MODULE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY/RED WIRE GRY/WHT WIRE IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 IGNITION COIL 5 IGNITION COIL 6 IMS FEEDBACK SIG INTAKE AIR TEMP KNOCK SENS SIG 1 KNOCK SENS SIG 2 MANIFOLD ABSOLUTE PRESSURE SENSOR MAP SENS LOW REF MAP SENS SIG NCA WIRE PLUG SENS SIG SPARK TRANSMISSIONS SYSTEM VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE YEL/WHT WIRE