Cadillac CT4-V I (2019-2024) (upper right end of dash) Wiring diagrams

ACTIVE GRILLE AIR SHUTTER 1 ACTUATOR AUTOSAR CAN BUS SERIAL DATA (-) 5 BLK WIRE BLU/WHT WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK GRN/VIO WIRE GROUND HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED IGN INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LIN LOGIC RUN/CRANK IGN 1 VOLTAGE VIO/BLK WIRE VIO/BLU WIRE W/O WINDSHIELD HEAD-UP DISPLAY

BLK WIRE BLU/WHT WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DOOR LOCK DRIVER INFORMATION CENTER DISPLAY GRN/BLU WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/VIO WIRE IND CTRL INSTRUMENT CLUSTER LIN BUS 2 LIN BUS 3 LIN BUS 4 LOCK CTRL LOGIC OPEN SW SIG PASSENGER DOOR LOCK SWITCH PASSENGER FRONT SIDE DOOR WINDOW CONTROL SWITCH RED/BLU WIRE RED/BRN WIRE RIGHT REAR SIDE DOOR LATCH RIGHT REAR SIDE DOOR WINDOW SWITCH RR DR AJAR SECURITY IND SERIAL DATA SW SIG UNLOCK CTRL VIO WIRE VIO/WHT WIRE W/O WINDSHIELD HEAD-UP DISPLAY WHT/BLU WIRE YEL/BLU WIRE YEL/VIO WIRE

AUTOSAR CAN BUS (+) 5 SERIAL DATA BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT FRONT SHORT RANGE RADAR SENSOR LEFT REAR SIDE SHORT RANGE RADAR SENSOR LOGIC LONG RANGE FORWARD RANGE RADAR SENSOR RED/YEL WIRE RIGHT FRONT SHORT RANGE RADAR SENSOR RIGHT REAR SIDE SHORT RANGE RADAR SENSOR WHT/GRY WIRE

BLK WIRE BLU/GRN WIRE BLU/WHT WIRE BRN/GRN WIRE BRN/GRY WIRE FRONT TURN SIG LAMP FEEDBACK SIG GRN WIRE GRN/VIO WIRE GRY WIRE HEADLIGHTS SYSTEM LEFT CORNERING LAMP CONTROL LEFT FRONT LAMP ASSEMBLY CONTROL LEFT FRONT DRL CONTROL LEFT FRONT PARK LAMP LEFT FRONT PARK LAMP CONTROL LEFT FRONT PARK LAMP CONTROL LEFT FRONT DRL CONTROL LEFT FRONT SIDE MARKER LAMP LEFT FRONT TURN SIGNAL LAMP CONTROL LEFT HEADLAMP HI BEAM CONTROL LEFT HEADLAMP HIGH BEAM CONTROL LEFT HEADLAMP LOW BEAM CONTROL LIGHTING CONTROL MODULE (RIGHT SIDE OF DASH) LOGIC LOW WASHER FLUID INDICATOR CTRL NCA WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RF TURN SIG LAMP FEEDBACK SIG RIGHT CORNERING LAMP RIGHT FRONT PARK LAMP RIGHT FRONT PARK LAMP CONTROL RIGHT FRONT SIDE MARKER LAMP RIGHT FRONT TURN SIGNAL LAMP RIGHT HEADLAMP ASSEMBLY RIGHT PARK DAYTIME RUNNING LAMP RIGHT TURN SIGNAL LAMP SEC FUSED BATT POSITIVE VOLT 55 SEC FUSED BATT POSITIVE VOLT 56 SECONDARY FUSED BATT POS VOLT 57 VIO WIRE VIO/BLK WIRE WHT WIRE WHT/VIO WIRE WHT/YEL WIRE WINDSHIELD WASHER RELAY CONTROL WINDSHIELD WIPER MOTOR PARK SW SIG WINDSHIELD WIPER MOTOR RLY COIL CTRL WINDSHIELD WIPER SWITCH HIGH SIG WIPER/WASHER SYSTEM YEL WIRE YEL/GRY WIRE YEL/WHT WIRE

2.7L TURBO ACTIVE GRILLE AIR SHUTTER ACTUATOR BLK WIRE CONTENT THEFT DETERRENT ALARM DIFFERENTIAL CONTROL MODULE DIFFERENTIAL LOCK MOTOR FRONT BUMPER SHUTTER ACTUATOR FUEL PUMP POWER CONTROL MODULE J402 (2.7L TURBO) LEFT FRONT SHORT RANGE RADAR SENSOR LEFT FRONT SIDE MARKER LAMP LEFT REAR BODY STRUCTURE STOP LAMP LEFT SIDE OBSTACLE DETECTION CONTROL MODULE LEFT SOUND QUALITY EXHAUST CONTROL VALVE ACTUATOR LEFT TAIL LAMP ASSEMBLY LOGIC MULTI-FUNCTION POWER SUPPLY CONVERTER NCA WIRE REAR BODY WIRING HARNESS JUNCTION BLOCK REAR DEFOGGER RELAY RIGHT FRONT HEADLAMP RIGHT FRONT SHORT RANGE RADAR SENSOR RIGHT FRONT SIDE MARKER LAMP RIGHT FRONT TURN SIGNAL LAMP RIGHT HEADLAMP CONTROL MODULE RIGHT REAR DISC BRAKE PAD WEAR SENSOR RIGHT SIDE OBSTACLE DETECTION CONTROL MODULE RIGHT SOUND QUALITY EXHAUST CONTROL VALVE ACTUATOR SUSPENSION CONTROL MODULE WHT WIRE WINDSHIELD WASHER PUMP WINDSHIELD WASHER SOLVENT CONTAINER LEVEL SENSOR

BATT 27 BATT 28 BATT 29 BATT 55 BATT 56 BATT 57 BLK WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/YEL WIRE CAN BUS (-) 2 SERIAL DATA COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK GRN WIRE GROUND 22 GRY/BLU WIRE HOT AT ALL TIMES INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT FRONT HEADLAMP LEFT HEADLAMP CONTROL MODULE LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LEFT PARK DAYTIME RUNNING LAMP LH FRT DRL CTRL LH FRT LAMP ASSEMBLY CTRL LH HDLP HI BEAM CTRL LH HDLP LOW BEAM CTRL LIGHTING CONTROL MODULE LOGIC NCA WIRE RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RH FRT DRL CTRL RH FRT LAMP ASSEMBLY CTRL RH HDLP HI BEAM CTRL RH HDLP LOW BEAM CTRL RIGHT FRONT HEADLAMP RIGHT HEADLAMP CONTROL MODULE RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP RIGHT PARK DAYTIME RUNNING LAMP WHT WIRE YEL WIRE

BLK WIRE BLU/WHT WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DOOR LOCK DRIVER INFORMATION CENTER DISPLAY GRN/BLU WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/VIO WIRE IND CTRL INSTRUMENT CLUSTER LIN BUS 2 LIN BUS 3 LIN BUS 4 LOCK CTRL LOGIC OPEN SW SIG PASSENGER DOOR LOCK SWITCH PASSENGER FRONT SIDE DOOR WINDOW CONTROL SWITCH RED/BLU WIRE RED/BRN WIRE RIGHT REAR SIDE DOOR LATCH RIGHT REAR SIDE DOOR WINDOW SWITCH RR DR AJAR SECURITY IND SERIAL DATA SW SIG UNLOCK CTRL VIO WIRE VIO/WHT WIRE W/O WINDSHIELD HEAD-UP DISPLAY WHT/BLU WIRE YEL/BLU WIRE YEL/VIO WIRE

BATT POS VOLT BLK WIRE BLK/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (RIGHT SIDE OF DASH) BRN/GRN WIRE BRN/GRY WIRE CAN BUS (+) 2 COMPUTER DATA LINES SYSTEM DELAY SWITCH DRIVER INFORMATION CENTER DISPLAY GRY WIRE GRY/VIO WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE INT LOW OFF INT LOW OFF HIGH LIGHTING CONTROL MODULE LOGIC LOW IND CTRL MIST MIST HIGH MTR PARK SW SIG RED/BRN WIRE SER DATA BUS 5 SERIAL DATA 2 UNDERHOOD FUSE BLOCK VIO WIRE WASHER RLY CTRL WASHER SW SIG WASHER SWITCH WHT WIRE WHT/BLK WIRE WHT/VIO WIRE WINDSHIELD WASHER PUMP WINDSHIELD WASHER PUMP RELAY WINDSHIELD WASHER SOLVENT CONTAINER LEVEL SENSOR WINDSHIELD WIPER MOTOR WINDSHIELD WIPER MOTOR RELAY WINDSHIELD WIPER MOTOR SPEED CONTROL RELAY WINDSHIELD WIPER MTR RLY COIL CTRL SW HI SIG WINDSHIELD WIPER SW HI SIG WINDSHIELD WIPER/WASHER SWITCH WIPER SW LOW REF WIPER SW LOW SIG WIPER SWITCH YEL/BLU WIRE YEL/BRN WIRE

BATTERY FUSE BLOCK BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT BYPASS VALVE ENGINE COOLANT FLOW CONTROL VALVE (REAR OF GENERATOR) ENGINE WIRING HARNESS JUNCTION BLOCK FRONT BUMPER SHUTTER ACTUATOR FUEL PUMP FUEL PUMP, LEVEL SENSOR ASSEMBLY (TOP OF FUEL TANK) GRN WIRE GRN/BLK WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/YEL WIRE HOT AT ALL TIMES LOGIC NCA WIRE PRIMARY FUEL LEVEL SENSOR RED/BLU WIRE RED/GRN WIRE SECONDARY FUEL LEVEL SENSOR UNDERHOOD AUXILIARY FUSE BLOCK VIO WIRE VIO/BLU WIRE VIO/GRY WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRY WIRE

A/C COMPRESSOR CLTH RLY CTRL A/C REFRIGERANT PRESS SENS SIG ACCELERATOR PEDAL POSI LOW REF 1 ACCELERATOR PEDAL POSI LOW REF 2 ACCELERATOR PEDAL POSI SIG 1 ACCELERATOR PEDAL POSI SIG 2 ACCELERATOR PEDAL POSITION SENSOR AIR CONDITIONING SYSTEM AMBIENT AIR TEMP SENS SIG AMBIENT AIR TEMPERATURE SENSOR ANTI-THEFT SYSTEM BATT POS VOLT 4 BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRK POS SENS SIG BRN/BLU WIRE BRN/RED WIRE CAMSHAFT MTR POSI SENS 1 SIG CAMSHAFT MTR POSI SENS 2 SIG CAMSHAFT POSI MTR CTRL A CAMSHAFT POSI MTR CTRL B CAMSHAFT POSI MTR CTRL C CAMSHAFT POSI MTR CTRL D CAMSHAFT POSI SENS 2 GND CAN BUS (+) 3 SERIAL DATA CAN BUS (-) 2 SERIAL DATA CAN BUS (-) SERIAL DATA COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG CYLINDER 2 FRONT SOL CTRL CYLINDER 2 REAR SOL CTRL CYLINDER 3 FRONT SOL CTRL CYLINDER 3 REAR SOL CTRL CYLINDER 4 FRONT SOL CTRL CYLINDER 4 POSI SENS SIG CYLINDER 4 REAR SOL CTRL DRIVELINE MOUNT ACTU 1 CTRL ENGINE CONTROL MODULE (UNDER FUSE BLOCK UNDERHOOD) ENGINE WIRING HARNESS JUNCTION BLOCK EXHAUST LOBE AXIAL POSI SIG 1 EXHAUST LOBE AXIAL POSI SIG 2 FRONT BUMPER SHUTTER ACTUATOR FUEL PUMP PRIMARY RLY CTRL GND 61 POWERTRAIN MAIN RLY FUSED SPLY 1 GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE HOOD STATUS A SIG HOT AT ALL TIMES INTAKE LOBE AXIAL POSI SIG 1 INTAKE LOBE AXIAL POSI SIG 2 LIN BUS 4 LOGIC MASS AIR FLOW SENS SIG MASS AIRFLOW SENSOR ORG/GRN WIRE POWERTRAIN MAIN RLY FUSED SPLY 2 POWERTRAIN RLY COIL CTRL RED/BRN WIRE RUN/CRANK IGN 1 VOLT 4 STARTER ENABLE RLY CTRL STARTER PINION SOL ACTU RLY CTRL STARTING/CHARGING SYSTEM STEP CAM A CTRL STEP CAM B CTRL VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/VIO WIRE YEL/WHT WIRE