Chevrolet TrailBlazer II facelift (2017-2024) computer data lines system Wiring diagrams

ACTIVE GRILLE AIR SHUTTER ACTUATOR 1 BLK WIRE BLU/BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (ON RIGHT SIDE OF RADIATOR) ENGINE CTRL MOD LIN BUS 1 GRN/VIO WIRE GRY/GRN WIRE HI SPD GMLAN SER DATA (-) 7 HOT W/ ENGINE CONTROL IGNITION RELAY ENERGIZED INSTRUMENT CLUSTER J117 (1.3L TURBO) J118 (1.2L TURBO) LOGIC LOW SPEED GMLAN SERIAL DATA 2 UNDERHOOD FUSE BLOCK VIO/BLU WIRE VPWR WHT WIRE

ACCESSORY IGN VOLT BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE (UNDER FRONT OF CENTER CONSOLE) BRN/BLK WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CONTROL CONTROL MODULE DR LOCK ACTUATOR LOCK CTRL DR LOCK ACTUATOR LOCK CTRL 2 DR LOCK ACTUATOR UNLOCK CTRL DRIVER DOOR LATCH ASSEMBLY DRIVER DR LOCK SW LOCK SIG DRIVER DR LOCK SW UNLOCK SIG DRIVER WINDOW MOTOR ENGINE CONTROL MODULE ENGINE HOOD SWITCH GMLAN SERIAL DATA GRN/GRY WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOOD AJAR SW SIG HOOD OPEN SWITCH SIG IGN MODE SW ACCESSORY LED SIG IGN MODE SW MODE VOLT IGN MODE SW START LED SIG IMMOBILIZER IMMOBILIZER ANTENNA IMMOBILIZER CONTROL MODULE IMMOBILIZER CONTROL MODULE CONTROL KEYLESS ENTRY ANTENNA LED BACKLIGHT DIMMING CTRL 1 LIFTGATE AJAR SW SIG 1 LIFTGATE LATCH LIN BUS 1 LOGIC LOW REFERENCE NCA WIRE REMOTE CONTROL DOOR LOCK RECEIVER REMOTE CTRL DR LOCK RECEIVER CTRL REMOTE CTRL DR LOCK RECEIVER TRANSMIT SIG REMOTE CTRL DR LOCK RECEIVER LOW REF REMOTE CTRL DR RECEIVER RECEIVE SIG RFA CTRL RFA LOW REF RFA REC SIG RFA TRANS SIG RUN/CRANK IGN 1 VOLT SYSTEM IMMOBILIZER VEHICLE ANTI-THEFT VEHICLE ANTI-THEFT SYS IMMOBILIZER LOW REFERENCE IMMOBILIZER LIN BUS 1 VIO/BLK WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/VIO WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/VIO WIRE

BLK WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/VIO WIRE BRN/BLK WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER DOOR LOCK SWITCH DRIVER WINDOW/ OUTSIDE REAR VIEW MIRROR SWITCH GRN/GRY WIRE GRN/YEL WIRE GRY WIRE LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LOGIC PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR LOCK SWITCH PASSENGER WINDOW SWITCH RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH VIO/BLK WIRE VIO/YEL WIRE WHT/VIO WIRE YEL WIRE YEL/BLU WIRE YEL/VIO 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

5-VOLT REF 1 ACC VOLT HI SPEED GMLAN SERIAL DATA (-) 1 BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLU WIRE BLU/YEL WIRE BODY CONTROL MODULE BRAKE PEDAL POSITION SENSOR BRK APPLY SENS CTRL BRK APPLY SENS SIG BRK POS SENS SIG COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (ON RIGHT SIDE OF RADIATOR) HI SPEED GMLAN SERIAL DATA (-) 1 HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK KEY CAPTURE SOLENOID ACTUATOR KEY-IN SWITCH LOW REF LOW REF 2 OFF OFF/RUN/CRANK VOLTAGE PARK POSITION SWITCH POWER DISTRIBUTION SYSTEM RED/VIO WIRE RED/YEL WIRE RUN WIRE SHIFT POS SIG TRANSMISSION SHIFT LEVER VIO/GRY WIRE WHT WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE

BLK WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BRAKE SYSTEM CONTROL MODULE BRN WIRE COMPUTER DATA LINES SYSTEM FUSED BATT POS VOLT GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE HI SPD GMLAN SER DATA (+) 1 HI SPD GMLAN SER DATA (-) 1 PARK BRK SW SIG HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER LEFT PARK BRAKE ACTUATOR LH PARK BRK MTR APPLY CTRL LH PARK BRK MTR LOW REF LOGIC LOW SPD GMLAN SER DATA 2 GND NCA WIRE PARK BRAKE CONTROL SWITCH PARK BRK APPLY SW SIG PARK BRK APPLY SW VOLT REF PARK BRK RELEASE SW SIG PARK BRK RELEASE SW VOLT REF PARK BRK SW SPLY VOLT PARK IND RED/YEL WIRE RH PARK BRK MTR LOW REF RH PRK BRAKE MTR APPLY CTRL RIGHT PARK BRAKE ACTUATOR RUN/ CRANK IGNITION 1 VOLT SERVICE PARK BRAKE IND UNDERHOOD FUSE BLOCK VIO/GRN WIRE WHT WIRE YEL WIRE YEL/RED 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

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

2 SPEED A/T AUTOMATIC TRANSMISSION ASSEMBLY BATTERY POSITIVE VOLTAGE BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BODY CONTROL MODULE (UNDER FRONT OF CENTER CONSOLE) BRAKE PEDAL POSITION SENSOR BRK APPLY SEN LO REF BRK APPLY SENS BRK APPLY SENS SIG BRK POSITION SENS SIG COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE CONTROL SENSORS LOW REFERENCE 2 ENGINE CONTROL VEHICLE SENSORS 5 VOLT REF 1 GRN/YEL WIRE GRY/GRN WIRE GRY/YEL WIRE HI SPD GMLAN SER DATA (+) 1 HI SPD GMLAN SER DATA (+) 1 TRANSMISSION IGNITION MODE SW MODE CTRL HI SPEED GMLAN SERIAL DATA (-) 1 HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER LOGIC LOW SPD GMLAN SER DATA 2 NCA WIRE PARK LOCK SOL ACTUATOR CTRL PARK SWITCH 2 SIGNAL MODE SW MODE CTRL Y RED/WHT WIRE RUN/ CRANK IGNITION 1 VOLT SIGNAL GROUND TRANSMISSION CONTROL MODULE TRANSMISSION RANGE SENSOR TRANSMISSION SHIFT LEVER TRANSMISSION SHIFT LOCK CONTROL SOLENOID ACTUATOR UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL/BLU WIRE