Cadillac CT6 I facelift (2018-2023) instrument cluster Wiring diagrams

3.6L 4.2L TURBO AUXILIARY UNDERHOOD FUSE BLOCK BATTERY BATTERY FUSE BLOCK BATTERY SENSOR FUSE HOLDER BATTERY SENSOR MODULE BLK WIRE BLU WIRE BRN WIRE CHARGE IND CHARGE IND CTRL COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE FUSE GENERATOR GENERATOR FIELD DUTY CYCLE SIG GRN/VIO WIRE GRY WIRE GRY/GRN WIRE HIGH SPEED GMLAN SERIAL DATA (-) (1) INSTRUMENT CLUSTER LOGIC LOW SPEED GMLAN NCA WIRE RED WIRE RED/GRY WIRE SERIAL DATA STARTING CIRCUIT UNDERHOOD FUSE BLOCK WHT WIRE

BLK WIRE COMPUTER DATA LINES SYSTEM DOOR AJAR IND DRIVER INFORMATION CENTER DISPLAY GRY WIRE GRY/GRN WIRE INSTRUMENT CLUSTER LEFT REAR DOOR ACCENT LAMP LEFT REAR DOOR HANDLE FLOOD LAMP LEFT REAR DOOR PULL HANDLE FLOOD LAMP LOGIC RIGHT REAR DOOR ACCENT LAMP RIGHT REAR DOOR HANDLE FLOOD LAMP RIGHT REAR DOOR PULL HANDLE FLOOD LAMP RIGHT REAR FLOOR COURTESY LAMP VIO/GRN WIRE WHT/YEL WIRE

ACTIVE SAFETY CONTROL MODULE 2 B+ VOLT BLK WIRE BLU WIRE BLU/RED WIRE BLU/YEL WIRE COLUMN FRICTION ENGAGE CTRL COLUMN FRICTION RLY CTRL COLUMN FRICTION SPLY COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY GMLAN DATA (+) 2 GRN/GRY WIRE GRY/GRN WIRE HIGH SPEED GMLAN SERIAL DATA (-) (1) HIGH SPEED GMLAN SERIAL DATA (-) (2) HOT AT ALL TIMES INSTRUMENT CLUSTER LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 27 LOGIC LOW SPD GMLAN SERIAL DATA 2 POWER STEERING CONTROL MODULE POWER STEERING MOTOR REAR BODY FUSE BLOCK RED/BLU WIRE RED/BRN WIRE SERIAL DATA COMMUNICATION ENABLE STEERING COLUMN FRICTION CONTROL MODULE STEERING WHEEL ANGLE SENSOR MODULE UNDERHOOD AUXILIARY FUSE BLOCK VIO WIRE VIO/GRN WIRE WHT WIRE WHT/BLU WIRE WHT/YEL WIRE

3.6L 4.2L TURBO AUXILIARY AUDIO INPUT BLK WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SWITCH BRAKE SYSTEM CONTROL MODULE COOLING FAN MOTOR ELECTRONIC BRAKE CONTROL MODULE ENGINE OIL LEVEL SWITCH HEAD-UP DISPLAY IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 IGNITION COIL 5 IGNITION COIL 6 IGNITION COIL 7 IGNITION COIL 8 INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INFO DISPLAY MODULE INFOTAINMENT CONTROL SWITCH INSTRUMENT CLUSTER LONG RANGE RADAR SENSOR MODULE MEMORY CARD RECEPTACLE PASSENGER PRESENCE MODULE POWER SOUNDER CONTENT THEFT DETERRENT ALARM MODULE LOGIC POWER STEERING CONTROL MODULE RADIO TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE UNDERHOOD FUSE BLOCK W/ INTEGRATED BRAKE ASSIST W/ ONSTAR WHT WIRE WINDSHIELD WIPER MOTOR WINDSHIELD WIPER RELAY

3.6L 3.6L 4.2L TURBO 4.2L TURBO ACTIVE STEERING CONTROL MODULE BATTERY SAVER RELAY 1 BATTERY SAVER RELAY 2 BLK WIRE BODY CONTROL MODULE BRN WIRE COLLISION ALERT INDICATORS DATA LINK CONNECTOR DOOR DEAD LOCK RELAY DRIVER MONITORING SYSTEM CONTROL MODULE FUEL DOOR LOCK RELAY HEAD-UP DISPLAY HEAD-UP DISPLAY SWITCH HORN SWITCH IGNITION MAIN RELAY IGNITION MODE SWITCH INSTRUMENT CLUSTER INSTRUMENT PANEL COMPARTMENT DOOR UNLATCH ACTUATOR RELAY INSTRUMENT PANEL DIMMER SWITCH INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL MULTI-FUNCTION SWITCH 1 LEFT FRONT INNER FLOOR COURTESY LAMP LEFT FRONT OUTER FLOOR COURTESY LAMP LEFT LOWER STEERING WHEEL CONTROLS SWITCH LEFT TRANSMISSION MANUAL SHIFT SWITCH LEFT UNDERHOOD FUSE BLOCK LEFT UPPER STEERING WHEEL CONTROLS SWITCH LOGIC MULTI-AXIS ACCELERATION SENSOR 2 NCA WIRE NIGHT VISION CAMERA WASHER PUMP RELAY PARK BRAKE CONTROL SWITCH REAR BODY FUSE BLOCK REAR DEFOGGER RELAY RETAINED ACCESSORY POWER RELAY RIGHT LOWER STEERING WHEEL CONTROLS SWITCH RIGHT TRANSMISSION MANUAL SHIFT SWITCH RIGHT UPPER STEERING WHEEL CONTROLS SWITCH SERIAL DATA GATEWAY MODULE STEERING COLUMN FRICTION CONTROL MODULE STEERING COLUMN LOCK MODULE LOGIC STEERING COLUMN POSITION CONTROL MODULE STEERING WHEEL AIR BAG COIL STEERING WHEEL ANGLE SENSOR MODULE STEERING WHEEL HEATER STEERING WHEEL HEATING CONTROL MODULE STEERING WHEEL LANE CENTERING INDICATORS TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK W/ HEAD UP DISPLAY WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER RELAY

3.6L BLU/BLK WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE CENTER INSTRUMENT PANEL SPEAKER COAX COMPUTER DATA LINES SYSTEM CRANKSHAFT DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE INSTRUMENT CLUSTER LEFT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LEFT INSTRUMENT PANEL SPEAKER LEFT REAR DOOR SPEAKER LOGIC LOW SPD GMLAN POSITION REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE REPLICATED RIGHT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RIGHT REAR DOOR SPEAKER SENS SERIAL DATA 2 SIG SUBWOOFER SPEAKER VIO/BLU WIRE WHT WIRE WI-FI WLAN WIRELESS COMMUNICATION ANTENNA YEL/WHT WIRE

BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLU WIRE BLU/BRN WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DISABLE SIG DISABLE SW SIG DRIVER INFORMATION CENTER DISPLAY FRONT PARKING AID DISPLAY CTRL GMLAN SERIAL DATA GRN WIRE GRN/BRN WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT CORNER SENS LEFT FRONT SIDE PARKING ASSIST SENSOR LEFT MID SENS LEFT MIDDLE FRONT PARKING ASSIST SENSOR LEFT OUTER FRONT PARKING ASSIST SENSOR LF OBJECT SENS SIG LOGIC LR CORNER SEN SIG LR MIDDLE SENS SIG LR OBJECT SENS SIG OBJECT SENS CTRL OBJECT SENS LOW REF PARKING ASSIST CONTROL MODULE POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER REAR BODY FUSE BLOCK REAR PARK ASSIST DISABLE SIG RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RF OBJECT SENS SIG RIGHT CORNER SENS RIGHT FRONT SIDE PARKING ASSIST SENSOR RIGHT MID SENS RIGHT MIDDLE FRONT PARKING ASSIST SENSOR RIGHT OUTER FRONT PARKING ASSIST SENSOR RR CORNER SEN SIG RR MIDDLE SENS SIG RR OBJECT SENS SIG SENS LOW REF SERIAL DATA 2 SERIAL DATA COMM ENABLE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/GRY WIRE YEL WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE

3.6L BLU/BLK WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE CENTER INSTRUMENT PANEL SPEAKER COAX COMPUTER DATA LINES SYSTEM CRANKSHAFT DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE INSTRUMENT CLUSTER LEFT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LEFT INSTRUMENT PANEL SPEAKER LEFT REAR DOOR SPEAKER LOGIC LOW SPD GMLAN POSITION REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE REPLICATED RIGHT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RIGHT REAR DOOR SPEAKER SENS SERIAL DATA 2 SIG SUBWOOFER SPEAKER VIO/BLU WIRE WHT WIRE WI-FI WLAN WIRELESS COMMUNICATION ANTENNA YEL/WHT WIRE

BATT POS VOLT BLK WIRE BLK/ORG WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT END OF DASH) BRAKE FLUID LEVEL SWITCH (ON BRAKE FLUID RESERVOIR) BRAKE IND BRK FLUID LEVEL SENS SIG BRN WIRE COMPUTER DATA LINES SYSTEM DISPLAY DOOR AJAR IND DRIVER DOOR LATCH ASSEMBLY DRIVER SEAT BELT SWITCH DRIVER SEAT BELT BUCKLE DRV SEAT BELT SW LOW REF DRV SEAT BELT SW SIG ELECTRONIC BRAKE CONTROL MODULE (UNDER UNDERHOOD FUSE BLOCK) GRN WIRE GRN/GRY WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE HEAD HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (UNDER FLOOR CONSOLE) INSTRUMENT CLUSTER LEFT REAR DOOR LATCH ASSEMBLY LF DOOR AJAR SW SIG LOGIC LOGIC DRIVER WINDOW MOTOR LOGIC LEFT REAR WINDOW MOTOR LOGIC PASSENGER WINDOW MOTOR LOGIC RIGHT REAR WINDOW MOTOR LR DOOR AJAR SW SIG OFF OFF SIG CTRL ORG/BRN WIRE PARK AUTO PARK BRAKE CONTROL SWITCH PARK BRK APPLY SW SIG PARK BRK APPLY SW VOLT REF PARK BRK RELEASE SW SIG PARK BRK SW SIG PARK BRK SW SPLY VOLT PARK LAMP SIG PARK RELEASE SW VOLT REF PASSENGER DOOR LATCH ASSEMBLY RADIO REAR BODY FUSE BLOCK REAR COMPARTMENT LID LATCH RED/WHT WIRE RF DOOR AJAR SW SIG RIGHT REAR DOOR LATCH ASSEMBLY RR DOOR AJAR SW SIG SEAT BELT IND SER DATA SER DATA (+) 2 SER DATA (-) (1) SER DATA BUS 3 SER DATA BUS 4 SERIAL DATA SW ON SIG SW SIG 1 TIRE PRESSURE IND TURN SIGNAL/MULTI-FUNCTION SWITCH VIO/GRY WIRE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/RED WIRE

3.6L 4.2L TURBO BATT POS VOLT BATT POS VOLT LIN SERIAL DATA BUS 1 BATTERY FUSE BLOCK BLK WIRE BLK/GRY WIRE BLU WIRE BODY CONTROL MODULE (LOWER LEFT END OF DASH) BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE CAMERA WASH SIG CAMERA WASH SWITCH COMPUTER DATA LINES SYSTEM DELAY SWITCH DRIVER INFORMATION CENTER DISPLAY FRONT WINDSHIELD WIPER SW HI SIG HDLP WASHER RLY CTRL GND (RAIN SENSOR) GND HI SPD GMLAN SERIAL DATA (+) 1 GRN/BRN WIRE GRY WIRE GRY/GRN WIRE GRY/VIO WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 2 ENERGIZED INSTRUMENT CLUSTER INT LOW OFF INT LOW OFF HIGH LEFT UNDERHOOD FUSE BLOCK LOGIC LOW SPD GMLAN SERIAL DATA LOW WASHER FLUID IND CTRL MIST MIST HIGH MULTI-FUNCTION ENERGY STORAGE CAPACITOR CONTROL MODULE N/A NIGHT VISION CAMERA WASHER PUMP NIGHT VISION CAMERA WASHER PUMP RELAY POWER SUPPLY TRANSFORMER REAR BODY FUSE BLOCK RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/VIO WIRE SPLY VOLT UNDERHOOD FUSE BLOCK VIO WIRE WASHER SWITCH WHT WIRE WHT/BLK WIRE WHT/VIO WIRE WINDOW SHELF) (UNDER REAR WINDSHIELD WASHER FLUID LEVEL SWITCH WINDSHIELD WASHER PUMP WINDSHIELD WASHER PUMP RELAY WINDSHIELD WASHER RLY CTRL WINDSHIELD WASHER SW SIG WINDSHIELD WIPER MOTOR WINDSHIELD WIPER MTR PRK SW SIG WINDSHIELD WIPER MTR RLY COIL CTRL WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY WINDSHIELD WIPER SW HI SIG WINDSHIELD WIPER SW LOW REF WINDSHIELD WIPER SW LOW SIG WINDSHIELD WIPER/WASHER SWITCH WIPER SWITCH YEL/BLU WIRE YEL/BRN WIRE