Cadillac CT6 I facelift (2018-2023) rear body fuse block Wiring diagrams

B+ VOLT BLK WIRE BLU/WHT WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR DRIVER SIDE OBJECT DETECTION INDICATOR DRV SIDE OBJECT DETECTION LED SIG 1 GRN WIRE GROUND GRY WIRE GRY/YEL WIRE HIGH SPD GMLAN SERIAL DATA (+) 5 HOT W/ BATTERY SAVER RELAY 2 ENERGIZED LEFT SIDE OBJECT SENSOR MODULE LOW SPD GMLAN SERIAL DATA PASS SIDE OBJECT DETECTION LED SIG (1) PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS PASSENGER SIDE OBJECT DETECTION INDICATOR REAR BODY FUSE BLOCK RED/GRN WIRE RIGHT SIDE OBJECT SENSOR MODULE

ACTIVE SAFETY CONTROL MODULE 1 BLK WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR VIEW MIRROR DRIVER SIDE OBJECT DETECTION INDICATOR GROUND GRY WIRE GRY/YEL WIRE HIGH SPEED GMLAN SERIAL DATA (-) (2) HOT W/ IGNITION MAIN RELAY ENERGIZED PASSENGER OUTSIDE REAR VIEW MIRROR GLASS PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER SIDE OBJECT DETECTION INDICATOR REAR BODY FUSE BLOCK RUN/CRANK IGNITION 1 VOLTAGE VIO/GRY WIRE WHT 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

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

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

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

BACKUP LP CTRL BLK WIRE BLK/YEL WIRE BU LVDS CAMERA VIDEO SIG DIMMING CONTROL SWITCH DISPLAY DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR GRN WIRE GRN/WHT WIRE GROUND HOT W/ IGNITION MAIN RELAY ENERGIZED INSIDE REAR VIEW MIRROR LOGIC LOW REF LVDS BU CAMERA VIDEO SIG MIRROR DIMMING ON/OFF SWITCH PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS POWER DISTRIBUTION SYSTEM REAR BODY FUSE BLOCK RUN/CRANK IGN 1 VOLT SIG VIDEO DISPLAY INSIDE REAR VIEW MIRROR CAMERA VIO WIRE VIO/GRN WIRE WHT WIRE YEL WIRE YEL/WHT WIRE

BATT POSITIVE VOLT BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE FRONT SUNROOF SUNSHADE MOTOR FRONT SUNROOF SWITCH FT SUNSHADE SW SIG GRN WIRE GRN/BRN WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES LEFT REAR DOOR SUNSHADE SWITCH LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 1 LOGIC MTR 3 4 MTR OVERHEAD CONSOLE MULTI- FUNCTION SWITCH REAR BODY FUSE BLOCK REAR SUNROOF SUNSHADE MOTOR REAR SUNROOF SWITCH RED/GRY WIRE RIGHT REAR DOOR SUNSHADE SWITCH RR SUNSHADE SW OPEN SIG SLIDE SNRF SW DATA 1 SIG SNRF SW LO REF SNRF VENT SW SIG SUNROOF MOTOR (ABOVE HEADLINER) SUNROOF SUNSHADE CONTROL MODULE TILT WHT WIRE WHT/GRN WIRE YEL/GRN WIRE