Cadillac CT4-V I (2019-2024) instrument panel wiring harness junction block 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

ABS IND. AUTOSAR CAN BUS (+) 2 SERIAL DATA BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (RIGHT SIDE OF DASH) BRAKE APPLY SENSOR LOW REF BRAKE APPLY SENSOR SIGNAL BRAKE APPLY SENSOR VOLTAGE REF BRAKE IND BRAKE PEDAL POSITION SENSOR BRAKE POSITION SENSOR SIGNAL BRN/BLU WIRE CENTER CONSOLE MULTI-FUNCTION SWITCH COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ELECTRIC PARK BRAKE IND ENGINE CONTROL MODULE (UNDERHOOD UNDER FUSE BLOCK) ENGINE CONTROL MODULE LIN BUS 1 ENGINE CONTROL MODULE LIN BUS 2 ENGINE CONTROL SENSORS 5 VOLT REFERENCE 1 ENGINE CONTROL VEHICLE SENSORS LOW REFERENCE 1 ENGINE CONTROLS SYSTEM GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT FRONT DISC BRAKE PAD WEAR SENSOR LOGIC NCA WIRE PARK BRAKE IND PARKING BRAKE CONTROL SWITCH RED/VIO WIRE RIGHT REAR DISC BRAKE PAD WEAR SENSOR TRACTION CONTROL SWITCH TRACTION CONTROL SWITCH SIGNAL 1 VIO/BLK WIRE W/O WINDSHIELD HEAD-UP DISPLAY WHT WIRE WHT/GRN WIRE

A/C COMPRESSOR CLUTCH RELAY A/C EVAPORATOR AIR TEMPERATURE SENSOR AIR TEMP SENS SIG ANTI-THEFT SYSTEM AUXILIARY UNDERHOOD FUSE BLOCK BATT POS VOLT 22 BATTERY FUSE BLOCK BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLOWER MOTOR (RIGHT SIDE OF HVAC MODULE) BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BLWR MTR SPD CTRL BLWR SPD FEEDBACK SIG BODY CONTROL MODULE (RIGHT SIDE OF DASH) BRN WIRE BRN/GRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER SOLAR SENS SIG GND 14 GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/GRN WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HVAC REM ENABLE SIG HVAC SYS ENABLE SIG INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LH AIR TEMP SENS SIG LH UPPER TEMP SENS SIG LIN BUS 5 LIN BUS 6 LOGIC NCA WIRE NOT USED RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/YEL WIRE RH UPPER TEMP SENS SIG SENS LO REFE SOL VLV CTRL SUNLOAD TEMPERATURE, AMBIENT LIGHT, SECURITY INDICATOR SENSOR TEMP SENS SIG UNDERHOOD FUSE BLOCK VIO/BLU WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/YEL WIRE

BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLU WIRE CAN BUS (-) 5 DRIVER FRONT SEAT ADJUSTER SWITCH DRIVER FRONT SEAT BOLSTER MEMORY MODULE DRV SEAT MEMORY CTRL ETHERNET BUS 2 (-) ETHERNET BUS 7 (-) GRN/BLK WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE HAZARD WARNING SWITCH HEAD-UP DISPLAY HEATED STEERING WHEEL MODULE HOT AT ALL TIMES INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LIN BUS 1 LIN BUS 12 MOD LIN BUS 2 NCA WIRE PASS SEAT MEMORY CTRL PASSENGER FRONT SEAT ADJUSTER SWITCH PASSENGER FRONT SEAT BOLSTER MEMORY MODULE RED/GRN WIRE SERIAL DATA SERIAL DATA CAN BUS (-) 5 SERIAL DATA GATEWAY MODULE (LEFT SIDE OF DASH) STEERING WHEEL AIR BAG COIL STEERING WHEEL RADIO CONTROL SWITCH VEHICLE PERFORMANCE DATA RECORDER WHT WIRE WHT/VIO WIRE YEL/VIO WIRE

AJAR SW SIG 1 BLK WIRE BLU/GRN WIRE BLU/YEL WIRE CAN BUS (+) 2 COMPUTER DATA LINES SYSTEM DOME LIGHT ON/OFF SWITCH DOOR AJAR SWITCH GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT ROOF RAIL REAR SEAT POSITION READING, COURTESY LAMP LEFT SUNSHADE LEFT SUNSHADE MIRROR LAMP LIGHTING CONTROL MODULE LIN BUS 3 LOGIC NCA WIRE PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR SWITCH PANEL CONTROL MODULE PASSENGER WINDOW MOTOR REAR COMPARTMENT LID LATCH RED/BLU WIRE RIGHT ROOF RAIL REAR SEAT POSITION READING, COURTESY LAMP RIGHT SUNSHADE RIGHT SUNSHADE MIRROR LAMP ROOF CONSOLE VIO WIRE VIO/GRY WIRE W/O MOISTURE SENSITIVE SYSTEM, GARAGE DOOR OPENER WHT WIRE

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

AUTOSAR CAN BUS (+) 4 SERIAL DATA BATTERY POSITIVE VOLTAGE BLK WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM DOWN DRIVE SEAT ADJUSTER MEMORY MODULE (UNDER DRIVER'S SEAT) DRIVER FRONT SEAT ADJUSTER MEMORY SWITCH DRIVER SEAT MEMORY CTRL MODULE LIN BUS 1 EXIT GRN/BRN WIRE GRN/WHT WIRE GROUND GRY/VIO WIRE HOT AT ALL TIMES INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RED/BRN WIRE RWD SEAT MEMORY SW SET SIG SEAT MEMORY SW SIG 1 SET- STEERING COLUMN TELESCOPE ACTUATOR STEERING COLUMN TELESCOPE MOTOR FORWARD CTRL STEERING COLUMN TELESCOPE MOTOR LOW REFERENCE STEERING COLUMN TELESCOPE MOTOR REARWARD CTRL STEERING COLUMN TELESCOPE MOTOR SIG STEERING COLUMN TILT MOTOR DOWN CTRL STEERING COLUMN TILT MOTOR LOW REF STEERING COLUMN TILT MOTOR SIGNAL STEERING COLUMN TILT MOTOR UP CTRL STEERING COLUMN TILT WHEEL ACTUATOR STEERING COLUMN TILT WHEEL, TELESCOPE CONTROL MODULE STEERING COLUMN TILT WHEEL, TELESCOPE SWITCH STEERING COLUMN TILT, TELESCOPE SW DOWN SIG STEERING COLUMN TILT, TELESCOPE SW FEEDBACK SIG STEERING COLUMN TILT, TELESCOPE SW FORWARD SIG STEERING COLUMN TILT, TELESCOPE SW REARWARD SIG STEERING COLUMN TILT, TELESCOPE SW UP SIG VIO/BLK WIRE VIO/GRY WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE

AM/FM RADIO ANTENNA AMPLIFIER BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/WHT WIRE COAX COMPUTER DATA LINES SYSTEM DOWN GRN/BLK WIRE GRN/GRY WIRE GRN/YEL WIRE HOT AT ALL TIMES INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT LOGIC REAR BODY WIRING HARNESS JUNCTION BLOCK RED/GRN WIRE RED/YEL WIRE RIGHT UP SEEK DOWN SEEK UP SEL STEERING WHEEL AIR BAG COIL STEERING WHEEL RADIO CONTROL SWITCH VIO WIRE VIO/BLU WIRE VIO/WHT WIRE VOL (-) YEL WIRE YEL/BLK WIRE

AUTOSAR CAN BUS (+) 5 SERIAL DATA BATT POS VOLT BATTERY DISTRIBUTION ENGINE COMPT FUSE BLOCK BLK WIRE BLK/WHT WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE MASTER CYLINDER) BRAKE SYSTEM CONTROL MODULE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE HI SPEED GMLAN SER DATA (-) 2 HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT PARKING BRAKE ACTUATOR LEFT PRK BRK MTR APPLY CTRL LEFT PRK BRK MTR LOW REF LOGIC PARK BRAKE IND PARKING BRAKE CONTROL SWITCH RED/BRN WIRE RED/VIO WIRE RIGHT PARKING BRAKE ACTUATOR RIGHT PRK BRK MTR APPLY CTRL RIGHT PRK BRK MTR LOW REF RUN/CRANK IGNITION 1 VOLTAGE SERVICE PARK BRAKE IND VIO/BLK WIRE W/O WINDSHIELD HEAD-UP DISPLAY WHT WIRE

BATTERY POSITIVE VOLT BLK WIRE BLU WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE BODY CTRL MOD LIN BUS 3 CAN BUS (-) 1 SERIAL DATA CAN BUS (-) 1 SERIAL DATA OFF/ACCESSORY IGN VOLT COLUMN LOCK MODULE (LOWER STEERING COLUMN) COMPUTER DATA LINES SYSTEM DRIVER FRONT SIDE DOOR LATCH DRIVER FRONT SIDE DOOR WINDOW REGULATOR MOTOR FRONT DOOR LOCK IND CTRL GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC RED/GRY WIRE SERIAL DATA (-) (1) WHT WIRE