Cadillac CT6 I facelift (2018-2023) batt pos volt 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

"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

4.2L TURBO AMBIENT LIGHT SENSOR SIG BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLU WIRE BODY CONTROL MODULE (LOWER LEFT END OF DASH) BRN/VIO WIRE COMPUTER DATA LINES SYSTEM GRN WIRE GROUND HDLP DIMMER SW HI BEAM SIG HDLP HI BEAM RELAY CTRL HDLP RELAY COIL CTRL HDLP RELAY CTRL HDLP SW FLASH TO PASS SIG HDLP SW HDLPS OFF SIG CTRL HDLP SW ON SIG HEADLAMP HIGH BEAM RELAY HEADLAMP RELAY HI BEAM AUTO ON/OFF SW SIG HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL FUSE BLOCK LEFT HDLP LOW BEAM CTRL LEFT HEADLAMP LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP CONTROL MODULE LEFT HEADLAMP COOLING FAN NCA WIRE RED WIRE RED/BLU WIRE RED/GRY WIRE RIGHT HDLP LOW BEAM CTRL RIGHT HEADLAMP RELAY UNDERHOOD AUXILIARY FUSE BLOCK UNDERHOOD FUSE BLOCK VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/GRY WIRE YEL WIRE YEL/BRN WIRE

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

ACTIVE SAFETY CONTROL MODULE 1 B+ VOLT BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLU WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM FLEXRAY COMMUNICATION ENABLE GRN WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 2 ENERGIZED LANE DEPARTURE WARNING IND CTRL LOGIC MULTI-FUNCTION ENERGY STORAGE CAPACITOR CONTROL MODULE N/A REAR BODY FUSE BLOCK RED WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE SENS CTRL 1 SERIAL DATA (-) (10) SERIAL DATA (-) 4 SERIAL DATA (-) 9 SERIAL DATA 2 UP/DOWN SW SIG WHT WIRE WHT/RED WIRE WINDSHIELD FRONT VIEW CAMERA YEL WIRE

BATT POS VOLT BLK WIRE BLK/BLU WIRE BLU/VIO WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DRIVER MONITORING SYSTEM CAMERA DRIVER MONITORING SYSTEM CONTROL MODULE FORWARD COLLISION SWITCH GN LVDS GN LVDS LVDS CABLE GRY/GRN WIRE LAMP 1 CTRL LAMP 2 CTRL LAMP RTN LANE KEEP ASSIST IND LANE KEEP ASSIST SWITCH LEFT LOWER STEERING WHEEL CONTROLS SWITCH LEFT UPPER STEERING WHEEL CONTROLS SWITCH LOGIC LVDS LVDS CABLE RED/GRN WIRE RES+ RIGHT UPPER STEERING WHEEL CONTROLS SWITCH SENS CTRL 1 SERIAL DATA (-) 4 SET- STEERING WHEEL AIR BAG COIL STEERING WHEEL LANE CENTERING INDICATORS VIO/WHT WIRE WHT WIRE WHT/RED WIRE WHT/VIO WIRE YEL/BLU WIRE

AUDIO AMPLIFIER BATT POS VOLT BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM CRANKSHAFT POSITION SENS REPLICATED SIG ETHERNET BUS 6 (-) FRONT CENTER SPEAKER (-) CTRL FRT CENTER SPKR (-) LO REF GMLAN SERIAL DATA GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HIGH SPEED GMLAN SERIAL DATA (+) 9 HOT AT ALL TIMES LEFT FRONT DOOR SPEAKER LEFT REAR WINDOW SHELF SPEAKER LF SPEAKER (-) 2 LO REF LF SPEAKER (-) CTRL 1 LF SPEAKER (-) CTRL 2 LF SPEAKER SIG (-) 1 LH/RR SPEAKER CTRL (+) LH/RR SPEAKER SIG (-) LO REF LOW SPEED GMLAN SERIAL DATA 2 LR MIDRANGE SPKR (+) CTRL LR SPEAKER (+) CTRL LR SPEAKER SIG (-) MICROPHONE 1 LO REF MICROPHONE 1 SIG MICROPHONE 2 LO REF MICROPHONE 2 SIG MICROPHONE 3 LO REF MICROPHONE 3 SIG REAR BODY FUSE BLOCK RED/YEL WIRE RF SPEAKER (-) CTRL 1 RF SPEAKER (-) CTRL 2 RF SPEAKER SIG (-) 1 RF SPKR (-) 2 LO REF RIGHT FRONT DOOR SPEAKER RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR WINDOW SHELF SPEAKER RR MIDRANGE SPKR (+) CTRL RR MIDRANGE SPKR (-) LO REF RR SPEAKER (+) CTRL RR SPEAKER SIG (-) SIG GND VIO/BLU WIRE W/ PREMIUM SURROUND AMPLIFIER WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE 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

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