Chevrolet TrailBlazer III (2019-2024) blu/yel Wiring diagrams

ABS IND. ACC WAKE-UP SERIAL DATA BATTERY POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE (UNDER FRONT OF CENTER CONSOLE) BRAKE IND BRAKE PEDAL POSITION SENSOR BRK APPLY SENS CTRL BRK APPLY SENS LOW REF BRK APPLY SENS SIG BRK POSITION SENS SIG BRN WIRE BRN/BLU WIRE CENTER CONSOLE MULTI-FUNCTION SWITCH COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (ON RIGHT SIDE OF RADIATOR) ENGINE CTRL SENS LOW REF 2 ENGINE CTRL VEHICLE SENS 5 VOLT REF 1 ESC IND GRN/BLK WIRE GRY/RED WIRE HIGH SPD GMLAN SER DATA (-) 3 HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER LOGIC PARK BRAKE CONTROL SWITCH (CENTER CONSOLE) RED/BRN WIRE SERIAL DATA COMMUNICATION ENABLE TRACTION CONTROL OFF IND TRACTION CTRL SW SIG 1 TRACTION OFF SWITCH UNDERHOOD FUSE BLOCK VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE

12 VOLT REF 5 VOLT REF ACC IGN VOLT ACCELERATE SW SIG AMBIENT LIGHT SENS SIG ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM AUTOMATIC HI BEAM CTRL BATT POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (UNDER FRONT OF CENTER CONSOLE) BRAKE APPLY SENS CTRL BRAKE APPLY SENS LOW REF BRAKE APPLY SENS SIG BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE CHARGE IND CTRL COMPUTER DATA LINES SYSTEM DIMMER SW LOW REF DOOR LOCK RECEIVER CTRL DOOR LOCK RECEIVER LOW REF DOOR LOCKS, ANTI-THEFT SYSTEMS FOG LAMP SW SIG FRONT FOG LAMP SW SIG GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HAZ SW RH TURN SIG HAZ WARN SW LEFT TURN SIG HAZARD WARNING SW SIG HDLP SW FLASH SIG HDLP SW ON SIG HEADLAMP SW PARK LAMP SIG HEADLIGHTS SYSTEM HI BEAM SELECT SW HI SPD GMLAN SER DATA (+) 1 HI SPD GMLAN SER DATA (+) 1 LOCK RECEIVER RECEIVE SIG HORN SW SIG HORNS SYSTEM HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 1 ENERGIZED IGN KEY RESISTOR SIG IGN MODE SW ACC LED SIG IGN MODE SW START LED SIG IGNITION MODE SW MODE VOLT IMMO CTRL MODULE CTRL IMMOBILIZER LOW REF IND DIMMING CTRL INSTRUMENT PANEL FUSE BLOCK INTERIOR LAMP DEFEAT SW SIG INTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM LED BACKLIGHT DIMMING CTRL 1 LED DIMMING SIG LIFTGATE WINDOW/REAR COMPT LIN BUS 1 LIN BUS 4 LOCK RECEIVER TRANSMIT SIG LOW SPD GMLAN SERIAL DATA OFF/RUN/CRANK IGN VOLT PANEL LAMP DIMMER SW SIG POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM SOUND SYSTEMS RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RR WINDOW WIPER SW SIG RUN/CRANK IGN 1 VOLT SHIFT POSITION SIG SOUND SYSTEMS SPORT MODE SW SIG STARTING/CHARGING SYSTEM STEERING WHEEL CTRL SIG 1 STOP/START IND CTRL STOP/START SW SIG TAP UP/TAP DOWN SW SIG TRACTION CTRL SW SIG 1 TRANSMISSIONS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM UP/DOWN SW SIG VIO/BLK WIRE VIO/BLU WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE WINDSHIELD WASHER SW SIG WINDSHIELD WIPER SW HI SIG WINDSHIELD WIPER SW LOW REF WINDSHIELD WIPER SW LOW SIG WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE

ACC PEDAL POS 5 VOLT REF (1) ACC PEDAL POS 5 VOLT REF 2 ACC PEDAL POS LOW REF 1 ACC PEDAL POS POS SIG 1 ACC PEDAL POS LOW REF 2 ACC PEDAL POS SIG 2 ACCELERATOR PEDAL POSITION SENSOR BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (UNDER FRONT OF CENTER CONSOLE) BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) BRK APPLY SENS CTRL BRK APPLY SENS LOW REF BRK APPLY SENS SIG BRK POS SENS SIG BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRUISE CTRL SET/COAST/ RESUME/ACC SW SIG 12 VOLT REF CRUISE/ETC/ TCC BRK SIG CRUISE/ETC/TCC BRK SIG DISTANCE SENSING CRUISE CTRL GAP UP/DOWN SW SIG ENGINE CONTROL MODULE ENGINE CTRL SENS LOW REF 2 ENGINE CTRL VEHICLE SENS 5 VOLT REF 1 GRN/ORG WIRE GRN/WHT WIRE GROUND GRY/GRN WIRE HI SPD GMLAN SER DATA (+) 1 HI SPD GMLAN SER DATA (+) 3 HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL FUSE BLOCK LEFT STEERING WHEEL CONTROLS SWITCH LOGIC RED/VIO WIRE RUN/CRANK IGNITION 1 VOLT 1 STEERING WHEEL AIR BAG COIL THROTTLE ACTUATOR CLOSE CTRL THROTTLE ACTUATOR OPEN CTRL THROTTLE BODY (MOUNTED TO FRONT OF INTAKE MANIFOLD) THROTTLE POS SENS SENT 1 SIG THROTTLE POS SENS LOW REF UNDERHOOD FUSE BLOCK VIO WIRE VIO/GRN WIRE VIO/GRY WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/WHT WIRE

BATT POSITIVE VOLT BATTERY FUSE BLOCK BLK WIRE BLU WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY GROUND GRY/GRN WIRE HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) (2) HOT AT ALL TIMES INSTRUMENT CLUSTER LOGIC LOW SPD GMLAN SERIAL DATA 2 POWER STEERING CONTROL MODULE (MOUNTED TO STEERING ACTUATOR) RED/GRN WIRE SERIAL DATA COMM ENABLE WHT WIRE WHT/BLU WIRE

ACTIVE NOISE CANCELLATION MODULE (RIGHT REAR LUGGAGE COMPT) AUDIO MUTE SIG BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/WHT WIRE ENABLE SIG GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/BRN WIRE LEFT FRONT ACTIVE NOISE CANCELLATION MICROPHONE LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER SPEAKER LEFT REAR ACTIVE NOISE CANCELLATION MICROPHONE LEFT REAR DOOR SPEAKER LF LOW LEVEL AUDIO SIG LF SPEAKER (-) CTRL 1 GND LF SPEAKER CTRL (+) 1 BATT POS VOL LR LOW LEVEL AUDIO SIG + LR SPEAKER (+) CTRL LR SUBWOOFER CTRL (-) MICROPHONE 1 FDBK SIG MICROPHONE 1 SIG MICROPHONE 2 FDBK SIG MICROPHONE 2 SIG MICROPHONE 3 FDBK SIG MICROPHONE 3 SIG MICROPHONE 4 FDBK SIG MICROPHONE 4 SIG RED/BRN WIRE REPLICATED SIG RF LOW LEVEL AUDIO SIG RF SPEAKER (-) CTRL 1 RIGHT FRONT ACTIVE NOISE CANCELLATION MICROPHONE RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT REAR ACTIVE NOISE CANCELLATION MICROPHONE RIGHT REAR DOOR SPEAKER RR LOW LEVEL AUDIO SIG + RR SPEAKER (+) CTRL SUBWOOFER SPEAKER VIO/BLU WIRE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE

AUDIO AMPLIFIER (RIGHT REAR WHEEL WELL) BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM ETHERNET BUS 6 (-) GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/VIO WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE LEFT FRONT ACTIVE NOISE CANCELLATION MICROPHONE LEFT FRONT SPEAKER CONTROL (+) 1 BATT POSITIVE VOLT LEFT FRONT SPEAKER CONTROL (-) 1 GROUND LEFT REAR ACTIVE NOISE CANCELLATION MICROPHONE LEFT REAR SPEAKER CONTROL (+) LEFT/REAR SUBWOOFER CONTROL (-) LOW SPEED GMLAN SERIAL DATA 2 NOISE CANCELLATION MICROPHONE 1 FEEDBACK SIG NOISE CANCELLATION MICROPHONE 1 SIG NOISE CANCELLATION MICROPHONE 2 FEEDBACK SIG NOISE CANCELLATION MICROPHONE 2 SIG NOISE CANCELLATION MICROPHONE 3 FEEDBACK SIG NOISE CANCELLATION MICROPHONE 3 SIG NOISE CANCELLATION MICROPHONE 4 FEEDBACK SIG NOISE CANCELLATION MICROPHONE 4 SIG RED/BRN WIRE RIGHT FRONT ACTIVE NOISE CANCELLATION MICROPHONE RIGHT FRONT SPEAKER CONTROL (+) 1 RIGHT REAR ACTIVE NOISE CANCELLATION MICROPHONE RIGHT REAR SPEAKER CONTROL (+) RIGHT SUBWOOFER CONTROL (-) VIO/BLU WIRE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE

ACTIVE NOISE CANCELLATION MODULE (RIGHT REAR LUGGAGE COMPT) AUDIO MUTE SIG BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/WHT WIRE ENABLE SIG GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/BRN WIRE LEFT FRONT ACTIVE NOISE CANCELLATION MICROPHONE LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER SPEAKER LEFT REAR ACTIVE NOISE CANCELLATION MICROPHONE LEFT REAR DOOR SPEAKER LF LOW LEVEL AUDIO SIG LF SPEAKER (-) CTRL 1 GND LF SPEAKER CTRL (+) 1 BATT POS VOL LR LOW LEVEL AUDIO SIG + LR SPEAKER (+) CTRL LR SUBWOOFER CTRL (-) MICROPHONE 1 FDBK SIG MICROPHONE 1 SIG MICROPHONE 2 FDBK SIG MICROPHONE 2 SIG MICROPHONE 3 FDBK SIG MICROPHONE 3 SIG MICROPHONE 4 FDBK SIG MICROPHONE 4 SIG RED/BRN WIRE REPLICATED SIG RF LOW LEVEL AUDIO SIG RF SPEAKER (-) CTRL 1 RIGHT FRONT ACTIVE NOISE CANCELLATION MICROPHONE RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT REAR ACTIVE NOISE CANCELLATION MICROPHONE RIGHT REAR DOOR SPEAKER RR LOW LEVEL AUDIO SIG + RR SPEAKER (+) CTRL SUBWOOFER SPEAKER VIO/BLU WIRE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE

AWD IND AWD INDICATOR CTRL BATT POS VOLT BLK WIRE BLK/GRY WIRE BLK/VIO WIRE BLU WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BRN/GRN WIRE CENTER CONSOLE MULTI-FUNCTION SWITCH COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY GMLAN SERIAL DATA (+) 1 BATT POS VOLT GMLAN SERIAL DATA - 1 GMLAN SERIAL DATA 2 GRN/BRN WIRE GRN/GRY WIRE GROUND GRY/GRN WIRE GRY/YEL WIRE HALL 1 HALL 2 HALL GROUND HALL VCC HOT AT ALL TIMES IND DIMMING CTRL INSTRUMENT CLUSTER LIN BUS 4 LOGIC MOTOR POS SENS LO REF POS SENSOR SIGNAL POWER TRANSFER UNIT SHIFT ACTUATOR PWR TRANSFER MTR CTRL A PWR TRANSFER MTR CTRL B REAR AXLE TEMP SENS REAR AXLE TEMP SENS VOLT REF REAR BODY FUSE BLOCK REAR DIFFERENTIAL CLUTCH CONTROL MODULE REAR DIFFERENTIAL OIL TEMPERATURE SENSOR REAR DIFFERENTIAL CLUTCH SOLENOID VALVE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE SENS VOLT REF SERIAL DATA 2 SERIAL DATA COM ENABLE UNDERHOOD FUSE BLOCK VIO WIRE VIO/BRN WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/RED WIRE

AIR BAG IND BATT POS VOLT BLK WIRE BLU WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/ORG WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY DRIVER KNEE AIR BAG DRV KNEE AIR BAG HI CTRL DRV KNEE AIR BAG LO CTRL ETHERNET BUS 7 (-) GRN WIRE GRY/BLU WIRE GRY/ORG WIRE HI SPD GMLAN SERIAL DATA (-) (2) HOT W/ IGNITION MAIN RELAY ENERGIZED IGN INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (RIGHT SIDE OF DASH) INSTRUMENT CLUSTER LOGIC LOW SPD GMLAN SERIAL DATA NCA WIRE ORG/ WIRE ORG/BLU WIRE ORG/GRN WIRE ORG/VIO WIRE ORG/WHT WIRE PASS AIR BAG OFF IND CTRL PASS AIR BAG ON IND CTRL PASS INSTRUMENT PANEL AIR BAG STAGE 1 HI CTRL PASS INSTRUMENT PANEL AIR BAG STAGE 1 LO CTRL PASS INSTRUMENT PANEL AIR BAG STAGE 2 HI CTRL PASS INSTRUMENT PANEL AIR BAG STAGE 2 LO CTRL PASS KNEE AIR BAG HI CTRL PASS KNEE AIR BAG LO CTRL PASS SEAT BELT IND CTRL PASSENGER AIR BAG DISABLED INDICATOR PASSENGER AIR BAG OFF IND PASSENGER AIR BAG ON IND PASSENGER INSTRUMENT PANEL AIR BAG PASSENGER KNEE AIR BAG PASSENGER SEAT BELT IND RED/GRN WIRE SD COMM ENABLE SEAT BELT IND SHORTING BAR STEERING WHEEL AIR BAG COIL STEERING WHEEL AIR BAG STAGE 1 HI CTRL STEERING WHEEL AIR BAG STAGE 1 LO CTRL STEERING WHEEL AIR BAG STAGE 2 HI CTRL STEERING WHEEL AIR BAG STAGE 2 LO CTRL UNDERHOOD FUSE BLOCK VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/ORG WIRE YEL/ORG WIRE

BLK WIRE BLK/ORG WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SWITCH BRAKE IND COMPUTER DATA LINES SYSTEM DATA 2 (+) DRIVER INFORMATION CENTER DISPLAY DRIVER SEAT BELT SWITCH DRIVER SEAT BELT BUCKLE DRV SEAT BELT SW LO REF DRV SEAT BELT SW SIG ETHERNET BUS 4 (-) GLMAN SER GMLAN SERIAL DATA 2 GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES IGNITION SWITCH INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK KEY-IN IGNITION SWITCH LO SPEED LOGIC NCA WIRE NETWORK BUS 3 OFF ORG/BRN WIRE ORG/VIO WIRE PARKING ASSIST IND PASS SEAT BELT SW LOW REF PASS SEAT BELT SW SIG PASSENGER DOOR LATCH ASSEMBLY PASSENGER SEAT BELT SWITCH PASSENGER SEAT BELT BUCKLE PASSENGER WINDOW SWITCH RADIO RED/YEL WIRE RF DR AJAR SW SIG RUN WIRE SEAT BELT IND TIRE PRESSURE IND W/ UP LEVEL W/O UP LEVEL WHT WIRE WHT/VIO WIRE