Cadillac CT6 I facelift (2018-2023) instrument panel fuse block Wiring diagrams

BATT POS VOLT BATTERY FUSE BLOCK BATTERY POSITIVE VOLTAGE BK COAX BLK WIRE BLU/GRN WIRE BN GN COAX COMPUTER DATA LINES SYSTEM GRILLE FRONT VIEW CAMERA GROUND GRY/GRN WIRE GY LVDS HIGH SPEED GMLAN SERIAL DATA (+) 9 HIGH SPEED GMLAN SERIAL DATA (+) 9 HIGH SPEED GMLAN SERIAL DATA (-) 9 HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT SIDE VIEW CAMERA LOW SPEED GMLAN SERIAL DATA 2 LVDS LVDS BK MEMORY CARD RECEPTACLE POWER SUPPLY TRANSFORMER (REAR OF RIGHT REAR WHEELWELL) RADIO REAR VIEW CAMERA RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RIGHT SIDE VIEW CAMERA SERIAL DATA COMMUNICATION ENABLE USB VIDEO PROCESSING CONTROL MODULE (RIGHT SIDE OF LUGGAGE COMPT) WHT/BLU WIRE WHT/GRN WIRE

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

4.2L TWIN TURBO ACTIVE SAFETY CONTROL MODULE ALERT LED CTRL ALERT LED CTRL LO SPD GMLAN SERIAL DATA B+ VOLT BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BODY CONTROL MODULE COLLISION ALERT INDICATORS COMPUTER DATA LINES SYSTEM DIMMING CTRL DRIVER INFORMATION CENTER DISPLAY EXCEPT 4.2L TWIN TURBO FORWARD COLLISION SWITCH FRONT OBJECT SENS CTRL 2 COMM ENABLE GRN 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 HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INSTRUMENT PANEL FUSE BLOCK LANE DEPARTURE WARNING IND LANE DEPARTURE WARNING IND CTRL LANE KEEP ASSIST IND LANE KEEP ASSIST SWITCH LEFT LOWER STEERING WHEEL CONTROLS SWITCH LEFT UNDERHOOD FUSE BLOCK LEFT UPPER STEERING WHEEL CONTROLS SWITCH LO SPD GMLAN SERIAL DATA LOGIC LOGIC INSTRUMENT CLUSTER POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER REAR BODY FUSE BLOCK RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE REFLECTED LED DISPLAY DIMMING CTRL RES+ RIGHT UPPER STEERING WHEEL CONTROLS SWITCH SERIAL DATA (-) (1) SERIAL DATA (-) 1 SERIAL DATA (-) 4 SET- STEERING WHEEL AIR BAG COIL UNDERHOOD FUSE BLOCK UP/DOWN SW SIG VEHICLE AHEAD IND VIO WIRE VIO/GRY WIRE VIO/WHT WIRE W/ BRAKE PREFILL INTEGRATED BRAKE ASSIST W/O BRAKE PREFILL INTEGRATED BRAKE ASSIST W/O HEADUP DISPLAY WHT WIRE WHT/GRY WIRE WHT/RED WIRE WINDSHIELD FRONT VIEW CAMERA

AM/FM AUDIO LOW REF MICROPHONE LOW REF AUDIO SIG MICROPHONE SIG BATTERY POSITIVE VOLTAGE BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE COAX COAX BK COAX BU COMPUTER DATA LINES SYSTEM DOWN GPS GRN/BLK WIRE GRY/BRN WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT LOGIC RIGHT UPPER STEERING WHEEL CONTROLS SWITCH MICROPHONE (-) LOW REF MICROPHONE SIG RADIO RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE RIGHT SEATS SYSTEM SEEK UP SEEK DOWN SEL SIG GND STEERING WHEEL AIR BAG COIL VIO/WHT WIRE VIO/YEL WIRE VOL VOL W/ ONSTAR W/O ONSTAR WHT/YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

AUDIO AMPLIFIER BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE CENTER CONSOLE SPEAKER CENTER INSTRUMENT PANEL SPEAKER CENTER SPEAKER I/P MOTOR DIAGNOSTIC SIGNAL CENTER SPEAKER LIMIT SWITCH DOWN SIGNAL CENTER SPEAKER LIMIT SWITCH UP SIGNAL CENTER SPEAKER O/P MOTOR DIRECTION SIGNAL CENTER SPEAKER O/P MOTOR SPEED SIGNAL GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/VIO WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT FRONT MID-RANGE SPEAKER (-) LOW REF LEFT FRONT SEAT LEFT SPEAKER (-) LOW REF LEFT FRONT SEAT LEFT SPEAKER CONTROL (+) LEFT FRONT SEAT RIGHT SPEAKER (-) LOW REF LEFT FRONT SEAT RIGHT SPEAKER CONTROL (+) LEFT FRONT SPEAKER CONTROL (+) 1 LEFT FRONT SPEAKER SIGNAL (-) 1 LEFT FRONT TWEETER SPEAKER (-) LOW REF LEFT FRONT TWEETER SPEAKER CONTROL (+) LEFT REAR DOOR SPEAKER LEFT REAR SPEAKER SIGNAL (-) LEFT REAR TWEETER SPEAKER LEFT REAR WINDOW SHELF SPEAKER LOGIC REAR BODY FUSE BLOCK RED/VIO WIRE RED/YEL WIRE RIGHT FRONT MID-RANGE SPEAKER (-) LOW REF RIGHT FRONT MID-RANGE SPEAKER CONTROL (+) RIGHT FRONT SEAT LEFT SPEAKER (-) LOW REF RIGHT FRONT SEAT LEFT SPEAKER CONTROL (+) RIGHT FRONT SEAT RIGHT SPEAKER (+) RIGHT FRONT SEAT RIGHT SPEAKER (-) LOW REF RIGHT FRONT TWEETER SPEAKER (-) LOW REF RIGHT FRONT TWEETER SPEAKER CONTROL (+) RIGHT REAR SPEAKER CONTROL (+) RIGHT REAR SPEAKER SIGNAL (-) RIGHT REAR WINDOW SHELF SPEAKER SIGNAL GROUND SPEAKER (-) LOW REF SPEAKER CONTROL SPEAKER CONTROL (-) 1 SPEAKER SIGNAL (-) 1 VIO/BRN WIRE VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/WHT WIRE

AM/FM AUDIO LOW REF MICROPHONE LOW REF AUDIO SIG MICROPHONE SIG BATTERY POSITIVE VOLTAGE BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE COAX COAX BK COAX BU COMPUTER DATA LINES SYSTEM DOWN GPS GRN/BLK WIRE GRY/BRN WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT LOGIC RIGHT UPPER STEERING WHEEL CONTROLS SWITCH MICROPHONE (-) LOW REF MICROPHONE SIG RADIO RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE RIGHT SEATS SYSTEM SEEK UP SEEK DOWN SEL SIG GND STEERING WHEEL AIR BAG COIL VIO/WHT WIRE VIO/YEL WIRE VOL VOL W/ ONSTAR W/O ONSTAR WHT/YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

ACTIVE SAFETY CONTROL MODULE (RIGHT SIDE OF BATTERY WELL) ACTIVE SAFETY CONTROL MODULE 1 (RIGHT REAR OF BATTERY WELL) BLK WIRE BLK/GRY WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/YEL WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DISPLAY LOGIC GRN WIRE GRN/BRN WIRE GRY/GRN WIRE HI SPD GMLAN SERIAL DATA (+) 8 HI SPD GMLAN SERIAL DATA (-) (2) INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL MULTI-FUNCTION SWITCH 1 LEFT MIDDLE REAR PARKING ASSIST SENSOR LEFT OUTER REAR PARKING ASSIST SENSOR LEFT REAR SIDE PARKING ASSIST SENSOR PARKING ASSIST DISABLE IND REAR PARK ASSIST DISABLE SIG REAR PARK ASSIST LED DISABLE SIG RED/BLU WIRE RED/WHT WIRE RIGHT MIDDLE REAR PARKING ASSIST SENSOR RIGHT OUTER REAR PARKING ASSIST SENSOR RIGHT REAR SIDE PARKING ASSIST SENSOR W/ BRAKE PREFILL INTEGRATED BRAKE ASSIST W/O BRAKE PREFILL INTEGRATED BRAKE ASSIST WHT WIRE WHT/GRY WIRE YEL WIRE YEL/BLU WIRE YEL/VIO WIRE YEL/WHT WIRE

AM/FM AUDIO SIG MICROPHONE SIG AUDIO LOW REF MICROPHONE LOW REF BATTERY POSITIVE VOLTAGE BK COAX BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BU COAX COAX COMPUTER DATA LINES SYSTEM DOWN GPS GRN/BLK WIRE GRY/BRN WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT LOGIC RIGHT UPPER STEERING WHEEL CONTROLS SWITCH MICROPHONE (-) LOW REF MICROPHONE SIG RADIO RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE RIGHT SEATS SYSTEM SEEK UP SEEK DOWN SEL SIG GND STEERING WHEEL AIR BAG COIL VIO/WHT WIRE VIO/YEL WIRE VOL VOL W/ ONSTAR W/O ONSTAR WHT/YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

AUDIO AMPLIFIER BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE CENTER CONSOLE SPEAKER CENTER INSTRUMENT PANEL SPEAKER CENTER SPEAKER I/P MOTOR DIAGNOSTIC SIGNAL CENTER SPEAKER LIMIT SWITCH DOWN SIGNAL CENTER SPEAKER LIMIT SWITCH UP SIGNAL CENTER SPEAKER O/P MOTOR DIRECTION SIGNAL CENTER SPEAKER O/P MOTOR SPEED SIGNAL GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/VIO WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT FRONT MID-RANGE SPEAKER (-) LOW REF LEFT FRONT SEAT LEFT SPEAKER (-) LOW REF LEFT FRONT SEAT LEFT SPEAKER CONTROL (+) LEFT FRONT SEAT RIGHT SPEAKER (-) LOW REF LEFT FRONT SEAT RIGHT SPEAKER CONTROL (+) LEFT FRONT SPEAKER CONTROL (+) 1 LEFT FRONT SPEAKER SIGNAL (-) 1 SIGNAL GROUND LEFT FRONT TWEETER SPEAKER (-) LOW REF LEFT FRONT TWEETER SPEAKER CONTROL (+) LEFT REAR DOOR SPEAKER LEFT REAR SPEAKER SIGNAL (-) LEFT REAR TWEETER SPEAKER LEFT REAR WINDOW SHELF SPEAKER LOGIC REAR BODY FUSE BLOCK RED/VIO WIRE RED/YEL WIRE RIGHT FRONT MID-RANGE SPEAKER (-) LOW REF RIGHT FRONT MID-RANGE SPEAKER CONTROL (+) RIGHT FRONT SEAT LEFT SPEAKER (-) LOW REF RIGHT FRONT SEAT LEFT SPEAKER CONTROL (+) RIGHT FRONT SEAT RIGHT SPEAKER (+) RIGHT FRONT SEAT RIGHT SPEAKER (-) LOW REF RIGHT FRONT TWEETER SPEAKER (-) LOW REF RIGHT FRONT TWEETER SPEAKER CONTROL (+) RIGHT REAR SPEAKER CONTROL (+) RIGHT REAR SPEAKER SIGNAL (-) RIGHT REAR WINDOW SHELF SPEAKER SPEAKER (-) LOW REF SPEAKER CONTROL SPEAKER CONTROL (-) 1 SPEAKER SIGNAL (-) 1 VIO/BRN WIRE VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/WHT WIRE

AM/FM AUDIO SIG MICROPHONE SIG AUDIO LOW REF MICROPHONE LOW REF BATTERY POSITIVE VOLTAGE BK COAX BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BU COAX COAX COMPUTER DATA LINES SYSTEM DOWN GPS GRN/BLK WIRE GRY/BRN WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT LOGIC RIGHT UPPER STEERING WHEEL CONTROLS SWITCH MICROPHONE (-) LOW REF MICROPHONE SIG RADIO RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE RIGHT SEATS SYSTEM SEEK UP SEEK DOWN SEL SIG GND STEERING WHEEL AIR BAG COIL VIO/WHT WIRE VIO/YEL WIRE VOL VOL W/ ONSTAR W/O ONSTAR WHT/YEL WIRE YEL/BLK WIRE YEL/BLU WIRE