Cadillac CT6 I facelift (2018-2023) red/brn Wiring diagrams

"ON" BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLU WIRE BODY CONTROL MODULE (LOWER LEFT END OF DASH) COMPUTER DATA LINES SYSTEM COURTESY LP SW SIG DECKLID SILL PLATE LAMP GRN WIRE GRN/GRY WIRE GRY WIRE GRY/GRN WIRE HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES INADVERTENT PWR CTRL INTR LP CTRL INTR LP DEFEAT SW SIG LED AMBIENT LIGHTING CTRL 1 LED AMBIENT LIGHTING CTRL 2 LEFT REAR COMPARTMENT COURTESY LAMP LOGIC MULTI-FUNCTION ENERGY STORAGE CAPACITOR CONTROL MODULE N/A OFF OVERHEAD CONSOLE MULTI- FUNCTION SWITCH POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER (REAR OF RIGHT REAR WHEELWELL) REAR BODY FUSE BLOCK REAR COMPARTMENT LID LP CTRL RED WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RIGHT REAR COMPARTMENT COURTESY LAMP SUPLY VOLT VIO/GRN WIRE WHT WIRE WHT/BRN WIRE WHT/YEL WIRE

BLK WIRE BLK/BLU WIRE BLU WIRE BLU/GRN WIRE BOLSTER PUMP BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA BUS 7 DATA BUS 8 DRIVER SEAT MEMORY CONTROL MODULE DRIVER SEAT MEMORY SWITCH EXIT GRN WIRE GRN/BRN WIRE GRN/WHT WIRE HIGH REFERENCE (2) HOT AT ALL TIMES LEFT REAR SEAT BOLSTER MEMORY CONTROL MODULE LEFT REAR SEAT LUMBAR/BOLSTER PUMP LEFT REAR SEAT MEMORY CONTROL MODULE LO REF POSITION SENS SIGNAL POSITION SENSOR SIG POSITIVE VOLT REAR BODY FUSE BLOCK RED/BRN WIRE RED/GRY WIRE RED/WHT WIRE SENSOR SIGNAL SERIAL DATA SET SIG SET- SWITCH SIG 2 SWITCH SIGN 1 VIO/BRN WIRE WHT WIRE WHT/BLU WIRE YEL WIRE

BLK/WHT WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/YEL WIRE COAX GRN/BLK WIRE GRN/BRN WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/BRN WIRE HOT AT ALL TIMES LEFT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE NCA WIRE REAR AUDIO AMPLIFIER REAR BODY FUSE BLOCK REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RED/BRN WIRE RED/YEL WIRE RIGHT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE SUBWOOFER SPEAKER WHT/YEL WIRE WI-FI WLAN WIRELESS COMMUNICATION ANTENNA

BLK WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/GRY WIRE DRIVER SEAT LEFT SPEAKER DRIVER SEAT RIGHT SPEAKER GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/YEL WIRE LEFT SUBWOOFER SPEAKER NCA WIRE PASSENGER SEAT LEFT SPEAKER PASSENGER SEAT RIGHT SPEAKER RED WIRE RED/BRN WIRE RED/YEL WIRE RIGHT SUBWOOFER SPEAKER WHT WIRE WHT/BLK WIRE WHT/YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/WHT WIRE

BLK/WHT WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/YEL WIRE COAX GRN/BLK WIRE GRN/BRN WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/BRN WIRE HOT AT ALL TIMES LEFT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE NCA WIRE REAR AUDIO AMPLIFIER REAR BODY FUSE BLOCK REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RED/BRN WIRE RED/YEL WIRE RIGHT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE SUBWOOFER SPEAKER WHT/YEL WIRE WI-FI WLAN WIRELESS COMMUNICATION ANTENNA

BLK WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/GRY WIRE DRIVER SEAT LEFT SPEAKER DRIVER SEAT RIGHT SPEAKER GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/YEL WIRE LEFT SUBWOOFER SPEAKER NCA WIRE PASSENGER SEAT LEFT SPEAKER PASSENGER SEAT RIGHT SPEAKER RED WIRE RED/BRN WIRE RED/YEL WIRE RIGHT SUBWOOFER SPEAKER WHT WIRE WHT/BLK WIRE WHT/YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/WHT WIRE

BLK WIRE BLK/BLU WIRE BLU/GRN WIRE BOLSTER PUMP BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA BUS 14 DATA BUS 16 EXIT GRN WIRE GRN/VIO WIRE GRN/YEL WIRE HIGH REFERENCE (2) HOT AT ALL TIMES LO REF PASSENGER SEAT MEMORY CONTROL MODULE PASSENGER SEAT MEMORY SWITCH POSITION SENS SIG POSITION SENSOR SIG POSITIVE VOLT REAR BODY FUSE BLOCK RED/BRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT REAR SEAT BOLSTER MEMORY CONTROL MODULE RIGHT REAR SEAT LUMBAR/ BOLSTER PUMP RIGHT REAR SEAT MEMORY CONTROL MODULE SENSOR SIG SERIAL DATA SET SIG SET- SWITCH SIG 1 SWITCH SIGN 1 WHT WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE

3.6L 4.2L TURBO ACCY WAKE-UP SERIAL DATA AUTO STOP START IND CTRL AUTO STOP START SWITCH SIGNAL BATTERY POS VOLT BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BODY CONTROL MODULE (LOWER LEFT END OF DASH) COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE GMLAN SERIAL DATA - 1 GRN WIRE GRN/BLK WIRE GROUND GROUND 38 HI SPD GMLAN HI SPD GMLAN SER DATA (+) 3 HI SPD GMLAN SERIAL DATA (-) (1) HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT IGN MODE SW VOLT IGNITION MODE SWITCH KEYLESS ENTRY CONTROL MODULE (RIGHT KICK PANEL) LOGIC LOW SPD GMLAN SERIAL DATA MULTI-FUNCTION ENERGY STORAGE CAPACITOR CONTROL MODULE PMRY FSD BATT POSI VOLT 1 PMRY FSD BATT POSI VOLT 10 PMRY FSD BATT POSI VOLT 3 PMRY FSD BATT POSI VOLT 6 POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER (REAR OF RIGHT REAR WHEELWELL) REAR BODY FUSE BLOCK RED/BRN WIRE RED/GRY WIRE RED/WHT WIRE RLY CTRL RUN/CRANK IGN 1 VOLT 8 SER DATA (-) (1) START SW 2 LOW REF START SW SIG 2 TRANSMISSION CONTROL MODULE VIO/GRN WIRE VIO/GRY WIRE VIO/YEL WIRE W/ HANDSFREE LANE FOLLOWING W/O HANDSFREE LANE FOLLOWING WHT WIRE YEL/VIO WIRE

1-BK AUXILIARY BATT POS VOLT BATT POS VOLT ENTERTAINMENT REMOTE ENABLE SIG BATTERY FUSE BLOCK BK DISPLAY SIG BK LVDS BK LVDS DISPLAY SIG BK LVDS REMOTE DISPLAY SIG BK USB USB SERIAL DATA BLK/WHT WIRE BLU/VIO WIRE BN LVDS AUXILIARY VIDEO SIG BRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE BU LVDS VIDEO SIG COMPUTER DATA LINES SYSTEM DRIVER SEATBACK VIDEO DISPLAY ENTERTAINMENT REMOTE ENABLE SIG ETHERNET BUS 3 (+) GRN/WHT WIRE GRY/GRN WIRE GY USB SERIAL DATA HEADPHONE LOW REF HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 2 ENERGIZED LF HEADPHONE SIG LOGIC AUDIO/VIDEO INPUT ADAPTER LOW SPEED GMLAN SERIAL DATA 2 LVDS LVDS 2-BK MEDIA DISC PLAYER NCA WIRE PASSENGER SEATBACK VIDEO DISPLAY POWER SUPPLY TRANSFORMER REAR BODY FUSE BLOCK REAR SEAT AUDIO HEADPHONE COM SIG REAR SEAT AUDIO HEADPHONE LOW REF RED/BRN WIRE RED/GRY WIRE REMOTE 4 ENABLE SIG LF HEADPHONE SIG RF HEADPHONE SIG SIG GND SIGNAL GROUND USB W/ LUXURY SEAT W/O LUXURY SEAT

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