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

ACCESSORY WAKEUP SER DATA AUXILIARY OIL PUMP CTRL BATT POS VOLT BLK/BLU WIRE BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BRN WIRE BRN/WHT WIRE CLTH SOL VLV A CTRL CLTH SOL VLV E CTRL COMPUTER DATA LINES SYSTEM FLUID PUMP FEEDBACK SIG GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HI SPD GMLAN SERIAL DATA (+) (3) HI SPD GMLAN SERIAL DATA (+) 3 CLTH SOL VLV D CTRL HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (+) (1) HI SPD GMLAN SERIAL DATA (-) 3 FLUID PRESS SEN 1 CKT LO REF HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN MODE SW MODE CTRL IN SPD SIG OUT SPD SIG PRESS CTRL SOL VLV CTRL PRIMARY PULLEY PRESS SEN SIG RED/YEL WIRE RUN/CRANK IGN 1 VOLT 1 SECONDARY PULLEY PRESS SEN SIG GND TORQUE CONV CLTH SOL VLV CTRL TRANS CLTH F CTRL TRANS HI SIDE DRV 1 SIG TRANS HI SIDE DRV 2 CTRL TRANS INTERMEDIATE SPD SIG TRANS OIL TEMP SENS LO REF TRANS OIL TEMP SENS SIG TRANSMISSION CONTROL MODULE UNDERHOOD FUSE BLOCK VIO WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLU/RED WIRE BRN WIRE BRN/WHT WIRE ELECTRIC/AUXILIARY TRANSMISSION FLUID PUMP GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES NCA WIRE RED/YEL WIRE TRANSMISSION FLUID PRESSURE SENSOR 1 TRANSMISSION FLUID PRESSURE SENSOR 2 TRANSMISSION INTERMEDIATE SHAFT SPEED SENSOR TRANSMISSION OUTPUT SHAFT SPEED SENSOR UNDERHOOD FUSE BLOCK VIO WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

ACCESSORY WAKEUP SERIAL DATA AUTOMATIC TRANSMISSION ACCUMULATOR SOLENOID VALVE BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CLUTCH SOL VALVE A CTRL CLUTCH SOL VALVE B CTRL CLUTCH SOL VALVE C CTRL CLUTCH SOL VALVE D CTRL TRANS CLUTCH F CTRL CLUTCH SOL VALVE E CTRL COMPUTER DATA LINES SYSTEM GRN/GRY WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN MODE SW MODE CTRL IN SPD SIG OUT SPD SIG RED/YEL WIRE RUN/CRANK IGNITION 1 VOLT SIG GND BATTERY POSITIVE VOLT SURGE ACCUMULATOR SOL VALVE LOW SIDE CTRL TCC/CLUTCH SOL VALVE CTRL TRANS CLUTCH G CTRL TRANS CLUTCH H CTRL TRANS FLUID TEMP SENS LO REF TRANS FLUID TEMP SENS SIG TRANS HI SIDE DRV 1 CTRL TRANS HI SIDE DRV 2 CTRL TRANS INTERMEDIATE SPD SIG TRANS OIL LVL SENS SIG TRANSMISSION CONTROL MODULE TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSION INPUT/INTERMEDIATE SHAFT SPEED SENSOR TRANSMISSION INTERMEDIATE SHAFT SPEED SENSOR UNDERHOOD FUSE BLOCK VIO WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRY WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN 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

A/C COMPRESSOR CLUTCH ACTIVE GRILLE AIR SHUTTER 1 ACTUATOR AUTOMATIC TRANSMISSION ASSEMBLY ELECTRIC/ AUXILIARY TRANSMISSION FLUID PUMP AUXILIARY COOLANT PUMP BEAM RIGHT HIGH HEADLAMP BEAM RIGHT LOW HEADLAMP BLK WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SWITCH BRAKE SYSTEM CONTROL MODULE COOLING FAN CONTROL MODULE ENGINE CONTROL MODULE ENGINE COOLANT FLOW CONTROL VALVE ENGINE COOLANT FLOW CONTROL VALVE BLOCK ENGINE COOLANT PUMP ENGINE HOOD SWITCH ENGINE OIL LEVEL SWITCH EVAPORATIVE EMISSION PURGE PUMP IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 LEFT FRONT FOG LAMP LEFT FRONT SIDE MARKER LAMP MULTI-FUNCTION INTAKE AIR SENSOR NCA WIRE RIGHT DAYTIME RUNNING LAMP RIGHT FRONT FOG LAMP RIGHT FRONT PARK LAMP RIGHT FRONT SIDE MARKER LAMP RIGHT FRONT TURN SIGNAL LAMP RIGHT HEADLAMP ASSEMBLY STARTER PINION SOLENOID ACTUATOR RELAY STARTER RELAY TRANSMISSION CONTROL MODULE UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 1 UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 3 UNDERHOOD FUSE BLOCK WINDSHIELD WASHER FLUID LEVEL SENSOR

AMBIENT LIGHT SENS SIG AMBIENT LIGHT/ SUNLOAD SENSOR BATTERY FUSE BLOCK BATTERY POSITIVE VOLTAGE BLK WIRE BLK/GRN WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BODY CONTROL MODULE (UNDER FRONT OF CENTER CONSOLE) BRN/VIO WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM FOG LAMP RELAY CTRL FRONT FOG LAMP RELAY FRONT FOG LAMP SW SIG FTP GRY/BLU WIRE GRY/BRN WIRE HDLP HI BEAM RELAY CTRL HDLP SW FLASH SIG HDLP SW ON SIG HEADLAMP HIGH BEAM RELAY HI BEAM SELECT SW HI BEAM SIG HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES HVAC CONTROL MODULE LEFT DAYTIME RUNNING LAMP, LEFT FRONT DRL CTRL LEFT FRONT PARK LAMP LEFT HDLP LOW BEAM CTRL LEFT HEADLAMP ASSEMBLY LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LEFT PARK LAMP CTRL RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RIGHT FRONT DRL CTRL RIGHT HDLP LOW BEAM CTRL RIGHT PARK LAMP CTRL SOLAR SENS LOW REF TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK VIO/GRY WIRE W/ FRONT FOG LAMP W/ HEADLAMPS AUTOMATIC ON-OFF CONTROL WHT WIRE WHT/BLU WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE

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

BATTERY POSITIVE VOLT BLK WIRE BLU/BRN WIRE BODY CONTROL MODULE (UNDER FRONT OF CENTER CONSOLE) BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE HOOD SWITCH GRN/GRY WIRE GRN/VIO WIRE GRY/BLK WIRE GRY/GRN WIRE HI SPD GMLAN SER DATA (-) 7 HOOD OPEN SW SIG HORN AJAR SW SIG HOT AT ALL TIMES IMMOBILIZER ANTENNA IMMOBILIZER CONTROL MODULE IMMOBILIZER CTRL IMMOBILIZER LIN BUS 1 IMMOBILIZER LIN BUS 1 MODULE CTRL IMMOBILIZER LOW REF INSTRUMENT CLUSTER LOGIC NETWORK BUS 11 RED/BRN WIRE SECURITY IND UNDERHOOD FUSE BLOCK VEHICLE ANTI-THEFT SYS IMMOBILIZER LO REF W/ KEYLESS ENGINE START SWITCH WHT WIRE YEL 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

AUTO BATT POS VOLT BLK WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BODY CONTROL MODULE (UNDER FRONT OF CENTER CONSOLE) BRAKE SYSTEM CONTROL MODULE BRK FLUID LEVEL SENS SIG BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE HDLP SW ON SIG HDLP SW PARK LP SIG HEAD HEADLAMP SWITCH HI SPD GMLAN SER DATA (+) 1 HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LF DR AJAR SW SIG LOGIC LR DR AJAR SW SIG NETWORK BUS 3 NETWORK BUS 4 OFF OFF/RUN/CRANK IGNITION VOLTAGE PARK PARK BRAKE CONTROL SWITCH PRK BRK APPLY SW SIG PRK BRK APPLY SW VOLT REF PRK BRK SW SIG PRK BRK REL SW VOLT REF PRK BRK SW SUPPLY VOLT RED/BRN WIRE RED/YEL WIRE RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RR DR AJAR SW SIG UNDERHOOD FUSE BLOCK WHT WIRE WHT/VIO WIRE YEL WIRE YEL/RED WIRE