Chevrolet TrailBlazer III (2019-2024) underhood fuse block Wiring diagrams

ACC WAKE-UP SERIAL DATA BATTERY FUSE BLOCK BATTERY POSITIVE VOLTAGE BLK WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SWITCH BRAKE PRESSURE MODULATOR BRAKE SYSTEM CONTROL MODULE BRK FLUID LEVEL SWITCH SIG BRN WIRE COMPUTER DATA LINES SYSTEM GRN/GRY WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) (2) HOT AT ALL TIMES LEFT FRONT WHEEL SPD SENS CTRL LEFT FRONT WHEEL SPEED SENSOR LEFT PARK BRAKE ACTUATOR LEFT REAR WHEEL SPEED SENSOR LF FRONT WHEEL SPD SENS SIG LF PRK BRK MTR APPLY CTRL LF PRK BRK MTR LOW REF LF REAR WHEEL SPD SENS CTRL LF REAR WHEEL SPD SENS SIG NCA WIRE PRK BRK APPLY SW PRK BRK APPLY SW VOLT REF PRK BRK RELEASE SW SIG PRK BRK RELEASE SW VOLT REF PRK BRK SW SIG PRK BRK SW SPLY VOLT RED/GRY WIRE RED/YEL WIRE RIGHT FRONT WHEEL SPD SENS CTRL RIGHT FRONT WHEEL SPD SENS SIG RIGHT FRONT WHEEL SPEED SENSOR RIGHT PARK BRAKE ACTUATOR RIGHT PRK BRK MTR APPLY CTRL RIGHT PRK BRK MTR LOW REF RIGHT REAR WHEEL SPD SENS CTRL RIGHT REAR WHEEL SPD SENS SIG RIGHT REAR WHEEL SPEED SENSOR RUN/CRANK IGN 1 VOLT UNDERHOOD FUSE BLOCK VIO WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE YEL WIRE YEL/RED WIRE

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

ACC PWR RLY COIL CTRL ACC WAKE-UP SERIAL DATA AIR CONDITIONING SYSTEM BACKUP LAMP CTRL BATT POSITIVE VOLT BLK WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BODY CONTROL MODULE (UNDER FRONT OF CENTER CONSOLE) BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CHARGING SYSTEM FAULT IND CTRL COMPUTER DATA LINES SYSTEM COURTESY LAMP SW SIG CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG CURRENT SENS SIG DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, ANTI-THEFT, TRUNK, TAILGATE, FUEL DOORS SYSTEMS DR LK ACTUATOR LK CTRL DR LK ACTUATOR LK CTRL 2 DR LK ACTUATOR UNLK CTRL DRIVER DR LK SW LK SIG DRIVER DR LK SW UNLOCK SIG ENDGATE LATCH RLY COIL CTRL FOG LAMP RLY CTRL FRONT PARK LAMP CTRL GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE GRY/YEL WIRE HDLP HI BEAM RLY CTRL HEADLIGHTS SYSTEM HI MOUNTED STOP LAMP SPLY VOLT HI SPEED GMLAN SER DATA (-) 1 HOOD AJAR SW SIG HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES IGNITION MODE SW INADVERTENT LOAD CTRL INSTRUMENT PANEL FUSE BLOCK INTERIOR LAMP CTRL LED BACKLIGHT DIMMING CTRL 1 LF DRL CTRL LF TURN SIG LP CTRL LH HDLP LOW BEAM CTRL LH PARK LAMP CTRL LH REAR STOP LAMP CTRL LH TRAILER TURN SIG LAMP CTRL LIFTGATE AJAR SW SIG 1 LIN BUS 1 LIN BUS 2 LIN BUS 3 LOGISTICS MODE RLY CLOSE CTRL LOGISTICS MODE RLY OPEN CTRL LR TURN SIG LP CTRL PARK LK SOLENOID ACTUATOR CTRL PASS DR LK SW LK CTRL PASS DR LK SW UNLOCK CTRL POWER DISTRIBUTION SYSTEM REAR CLOSURE HANDLE SW OPEN SIG REAR FOG LAMP SIG REAR WINDOW WASHER RELAY CTRL REAR WIPER MTR RLY COIL CTRL RED/BRN WIRE RED/VIO WIRE RED/WHT WIRE RF DRL CTRL RF TURN SIG LAMP CTRL RH FRONT DRL CTRL RH HDLP LOW BEAM CTRL RH PARK LAMP CTRL RH TAIL LAMP CTRL RH TRAILER TURN SIG LAMP CTRL RR COMPT COURTESY LAMP CTRL RR LICENSE PLATE LAMP CTRL RR TURN SIG LAMP CTRL RUN/CRANK RELAY COIL CTRL SERIAL DATA COMM ENABLE SHIFT INTERLOCK SYSTEM SPORT MODE IND SIG PARK LAMP RLY CTRL TRUNK, TAILGATE, FUEL DOORS SYSTEM UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/VIO WIRE WHT/YEL WIRE WINDSHIELD WASHER RLY CTRL WINDSHIELD WIPER SW HIGH SIG WIPER MOTOR PARK SW SIG WIPER MOTOR RLY COIL CTRL WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/VIO WIRE

BATTERY FUSE BLOCK BLK WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR GRN WIRE GRY/VIO WIRE HOT AT ALL TIMES HVAC CONTROL MODULE (CENTER OF DASH) LOGIC LOW SPD GMLAN SERIAL DATA PASSENGER OUTSIDE REAR VIEW MIRROR GLASS PASSENGER OUTSIDE REAR VIEW MIRROR REAR DEFOG RLY CTRL REAR DEFOGGER GRID REAR DEFOGGER INDICATOR REAR DEFOGGER RELAY REAR DEFOGGER SWITCH RED/WHT WIRE UNDERHOOD FUSE BLOCK

BACKUP LP CTRL BLK WIRE BODY CONTROL MODULE GRN WIRE GRN/WHT WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED IGN INSIDE REAR VIEW MIRROR LOGIC MIRROR DIMMING NCA WIRE UNDERHOOD FUSE BLOCK VIO/GRY WIRE WHT WIRE

ACC IGN VOLT ANTENNA 1 SIG HI ANTENNA 1 SIG LO ANTENNA 2 SIG HI ANTENNA 2 SIG LO ANTENNA 3 SIG HI ANTENNA 3 SIG LO BATT POSITIVE VOLT BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE CENTER CONSOLE REAR KEYLESS ENTRY ANTENNA COMPUTER DATA LINES SYSTEM DOOR IND DRIVER DOOR HANDLE KEYLESS ENTRY ANTENNA DRIVER EXTERIOR DOOR HANDLE ASSEMBLY DRIVER INFORMATION CENTER DISPLAY DRIVER INTERIOR DOOR HANDLE SWITCH GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/GRN WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED IGN MODE SW CHALLENGE ACTIVE SIG IGNITION MODE SWITCH INSTRUMENT CLUSTER INSTRUMENT PANEL COMPARTMENT KEYLESS ENTRY ANTENNA KEYLESS ENTRY ANTENNA KEYLESS ENTRY CONTROL MODULE LO SPD GMLAN SER DATA LO SPD GMLAN SERIAL DATA 2 LOGIC PASSIVE START SW 2 LOW REF PASSIVE START SW SIG 2 POWER DISTRIBUTION SYSTEM REAR COMPARTMENT KEYLESS ENTRY ANTENNA RED WIRE RED/BRN WIRE RETAINED ACCESSORY POWER RELAY 2 COIL CTRL RUN/CRANK IGN 1 VOLT SECURITY IND UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLU WIRE

BLK WIRE BLK/WHT WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DRIVER DR HANDLE SW SIG DRIVER DR PASSIVE ENTRY ANTENNA HI SIG ENTRY ANTENNA LOW SIG GRN/BLK WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE HANDS-FREE LIFTGATE SENSOR LAMP HOT AT ALL TIMES KEYLESS ENTRY CONTROL MODULE (UNDER CENTER OF DASH) PASS DR HANDLE SW SIG PASS DR PASSIVE PASSENGER DOOR HANDLE KEYLESS ENTRY ANTENNA PASSENGER EXTERIOR DOOR HANDLE ASSEMBLY PASSENGER EXTERIOR DOOR HANDLE SWITCH REAR CLOSURE PASSIVE RED/BRN WIRE UHF SHORT RANGE LOW ENERGY REMOTE CONTROL ACCESS TRANSCEIVER UHF SHORT RANGE LOW ENERGY REMOTE CONTROL ACCESS TRANSCEIVER 1 UHF SHORT RANGE LOW ENERGY REMOTE CONTROL ACCESS TRANSCEIVER 2 UHF SHORT RANGE LOW ENERGY REMOTE CONTROL ACCESS TRANSCEIVER 3 UHF SHORT RANGE LOW ENERGY REMOTE CONTROL ACCESS TRANSCEIVER 4 UNDERHOOD FUSE BLOCK VIO WIRE VIO/GRY WIRE VIO/WHT WIRE

2 SPEED A/T 1.2L TURBO A/C COMPRESSOR CLUTCH RELAY AUXILIARY COOLANT PUMP RELAY BATTERY BATTERY FUSE BLOCK BATTERY SENSOR MODULE BLK WIRE BLU WIRE BODY CONTROL MODULE BRAKE SYSTEM CONTROL MODULE BRN WIRE COLLISION ALERT INDICATORS COOLING FAN CONTROL MODULE DRIVER WINDOW MOTOR ELECTRICAL AUXILIARY HEATER ENGINE CONTROL MODULE ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT PUMP EVAPORATIVE EMISSION VENT SOLENOID VALVE FRONT FOG LAMP RELAY FUEL PUMP DRIVER CONTROL MODULE GENERATOR GRN WIRE GRN/VIO WIRE GRY WIRE GRY/VIO WIRE HEADLAMP HIGH BEAM RELAY HORN RELAY HVAC CONTROL MODULE IGNITION MAIN RELAY INSIDE REAR VIEW MIRROR INSTRUMENT CLUSTER KEYLESS ENTRY CONTROL MODULE LEFT REAR WINDOW SWITCH NCA WIRE PASSENGER WINDOW SWITCH POWER STEERING CONTROL MODULE REAR DEFOGGER RELAY REAR VIEW CAMERA REAR WINDOW WASHER PUMP RELAY REAR WIPER MOTOR REAR WIPER RELAY RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT REAR WINDOW SWITCH SERIAL DATA GATEWAY MODULE STARTER MOTOR STARTER PINION SOLENOID ACTUATOR RELAY STARTER RELAY TO INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 2 OF 5) TO REAR BODY FUSE BLOCK (DIAGRAM 4 OF 5) TRANSMISSION CONTROL MODULE UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 1 UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 2 UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 3 UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 4 UHF SHORT RANGE LOW ENERGY REMOTE CONTROL ACCESS TRANSCEIVER UNDERHOOD FUSE BLOCK VIO WIRE VIO/GRY WIRE WHT WIRE WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER SPEED CONTROL RELAY

AUXILIARY AUDIO INPUT BLK WIRE BLU/BLK WIRE BODY CONTROL MODULE COMPUTER DATA LINES SYSTEM ELECTRIC/ AUXILIARY TRANSMISSION FLUID PUMP AUTOMATIC TRANSMISSION ASSEMBLY FROM INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 2 OF 5) GRN WIRE HVAC CONTROLS INFO DISPLAY MODULE INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT SIDE OBJECT SENSOR MODULE LIFTGATE UNLATCH RELAY LOW LEVEL MID/HIGH LEVEL PARKING ASSIST CONTROL MODULE POWER SUPPLY TRANSFORMER (UNDER THE FRONT OF CENTER CONSOLE) RADIO RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT SIDE OBJECT SENSOR MODULE STARTING/ CHARGING SYSTEM TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE TO BATTERY SAVER RELAY 1 DIAGRAM (5 OF 5) TO IGNITION SWITCH (DIAGRAM 5 OF 5) TO INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 5 OF 5) TO STARTER SOLENOID DIAGRAM (1 OF 5) TRANSMISSION CONTROL MODULE UNDERHOOD FUSE BLOCK VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WINDSHIELD FRONT VIEW CAMERA YEL WIRE YEL/BLK 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