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

BATTERY FUSE BLOCK BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLU WIRE BLU/GRN WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE DRIVER LEFT REAR SEAT HAPTIC MOVEMENT MOTOR DRIVER RIGHT REAR SEAT HAPTIC MOVEMENT MOTOR DRIVER SEAT LUMBAR SUPPORT HORIZONTAL MOTOR DRIVER SEAT MEMORY CONTROL MODULE DRIVER SEAT MEMORY SWITCH DRIVER SEAT RECLINE MOTOR EXIT GRN WIRE GRN/YEL WIRE HIGH REF HIGH REFERENCE (2) HORIZONTAL SIG HOT AT ALL TIMES LOGIC LOW REF LOW REFERENCE MULTI-FUNCTION ENERGY STORAGE CAPACITOR CONTROL MODULE N/A POSITION SENS SIGNAL POSITION SENSOR SIG POSITIVE VOLT REAR BODY FUSE BLOCK RED WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE SEAT MOTOR CONTROL SET SIG SET- SWITCH SIG 1 VIO WIRE W/ DELUXE W/ LUXURY WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/BRN 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

4.2L TURBO AMBIENT LIGHT/ SUNLOAD SENSOR AUTO HIGH BEAM IND AUTO HIGH BEAM SWITCH AUTO OFF BATTERY FUSE BLOCK BLK WIRE BLK/WHT WIRE BRN/VIO WIRE CLUSTER INSTRUMENT COMPUTER DATA COMPUTER DATA LINES SYSTEM FTP GRN WIRE GRY/BRN WIRE HEAD HEADLAMP HIGH BEAM RELAY HIGH BEAM LAMP IND HOT AT ALL TIMES HVAC CONTROL MODULE LEFT HEADLAMP RELAY LEFT UNDERHOOD FUSE BLOCK LINES SYSTEM LO REF LOGIC LOW SPD GMLAN SER DATA MULTI-FUNCTION ENERGY STORAGE CAPACITOR CONTROL MODULE N/A NCA WIRE PARK REAR BODY FUSE BLOCK RED WIRE RED/GRY WIRE RIGHT HEADLAMP RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP CONTROL MODULE RIGHT HEADLAMP COOLING FAN RUN/CRANK IGNITION 1 VOLTAGE SERIAL DATA TURN SIGNAL/ MULTI-FUNCTION SWITCH VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/GRY WIRE YEL WIRE YEL/BRN 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

BATT POS VOLT BLK WIRE BLK/BRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/GRN WIRE BLU/WHT WIRE BRN/BLK WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DRIVER OUTSIDE REAR VIEW MIRROR COURTESY LAMP DRIVER OUTSIDE REAR VIEW MIRROR FOLDING MOTOR DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR VIEW MIRROR LAMPS ASSEMBLY DRIVER OUTSIDE REAR VIEW MIRROR MOTOR DRIVER OUTSIDE REAR- VIEW MIRROR DRIVER SIDE OBJECT DETECTION INDICATOR DRV MIR MTR COMMON CTRL DRV MIR MTR FOLD IN CTRL DRV MIR MTR FOLD OUT CTRL DRV MIR MTR RH (+) LH (-) CTRL DRV MIR MTR UP (+) DWN (-) CTRL DRV MIR POS DRV MIR POS SENS LH (-) RH (+) SIG DRV MIR POS SENS UP (+) DWN (-) SIG DRV MIR POS SNSR LOW REF DRV MIR SW RH (+) LH (-) SIGNAL DRV MIR SW UP (-) DN (+) SIG GRN/WHT WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES LED DIMMING SIG LEFT RIGHT LEFT TURN SIGNAL REPEATER LAMP LIN DATA BUS 8 MIR SW LOW REF MIRROR CONTROL MODULE (IN DRIVER'S DOOR) MIRROR DIMMING MIRRORS SYSTEM NAVIGATION SYSTEM OUTSIDE REAR VIEW MIRROR SWITCH REAR BODY FUSE BLOCK RED/VIO WIRE UP DOWN VIO WIRE VIO/BLU WIRE VIO/RED WIRE WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BRN WIRE YEL/WHT WIRE

BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/YEL WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DRIVER SEAT MEMORY CONTROL MODULE DRIVER SEAT MEMORY SWITCH EXIT GRN WIRE GRN/BLK WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES LIN NETWORK BUS 8 LOGIC LOW REF LOW SPEED GMLAN SERIAL DATA MIRROR DIMMING MIRRORS SYSTEM MULTI-FUNCTION ENERGY STORAGE CAPACITOR CONTROL MODULE N/A NAVIGATION SYSTEM ORG/BLK WIRE PASS MIR MTR COMMON CTRL PASS MIR MTR FOLD IN CTRL PASS MIR MTR FOLD OUT CTRL PASS MIR MTR LH (-) RH (+) CTRL PASS MIR MTR UP (+) DWN (-) CTRL PASS MIR POS PASS MIR POS SENS LH (-) RH (+) SIG PASS MIR POS SENS LOW REF PASS MIR POS SENS UP (+) DWN (-) SIG PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR COURTESY LAMP PASSENGER OUTSIDE REAR VIEW MIRROR FOLDING MOTOR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS PASSENGER OUTSIDE REAR VIEW MIRROR LAMPS ASSEMBLY PASSENGER OUTSIDE REAR VIEW MIRROR MOTOR PASSENGER SIDE OBJECT DETECTION INDICATOR PASSENGER WINDOW SWITCH REAR BODY FUSE BLOCK RED WIRE RED/GRY WIRE RED/VIO WIRE RIGHT TURN SIGNAL REPEATER LAMP SET SIG SET- SW SIG VIO/WHT WIRE WHT WIRE YEL WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

BATTERY FUSE BLOCK BATTERY POSITIVE VOLTAGE BLK WIRE BLK/BLU WIRE BLU WIRE BLU/GRN WIRE BLU/YEL WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM DATA BUS 8 DOWN SWITCH SIGNAL DRIVER SEAT MEMORY CONTROL MODULE DRIVER SEAT MEMORY SWITCH EXIT FORWARD SWITCH SIGNAL GMLAN SERIAL DATA GRN WIRE GRN/BRN WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/VIO WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LOGIC LOW REF MOTOR SIGNAL MULTI-FUNCTION ENERGY STORAGE CAPACITOR CONTROL MODULE N/A NETWORK 8 REAR BODY FUSE BLOCK REARWARD SWITCH SIGNAL RED WIRE RED/BRN WIRE RED/GRY WIRE SET- STEERING COLUMN POSITION CONTROL MODULE STEERING COLUMN TELESCOPE MOTOR STEERING COLUMN TILT MOTOR STEERING COLUMN TILT, TELESCOPE SWITCH SW SIG SW SIG 1 TELESCOPE MOTOR FORWARD TELESCOPE MTR DOWN TELESCOPE MTR REARWARD TELESCOPE MTR UP TILT LOW REF TILT MOTOR SIGNAL UP SWITCH SIGNAL WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BRN WIRE

BLK/BLU WIRE BLK/GRY WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BRN/WHT WIRE EXIT GRN WIRE GRN/YEL WIRE HIGH REF HIGH REFERENCE (2) HORIZONTAL SIG HOT AT ALL TIMES LOW REF LOW REFERENCE PASSENGER SEAT LUMBAR SUPPORT HORIZONTAL MOTOR PASSENGER SEAT MEMORY CONTROL MODULE PASSENGER SEAT MEMORY SWITCH PASSENGER SEAT RECLINE MOTOR POSITION SENS SIGNAL POSITION SENSOR SIG POSITIVE VOLT REAR BODY FUSE BLOCK RED/BRN WIRE RED/GRY WIRE RED/WHT WIRE SET SIG SET- SWITCH SIG 1 VIO WIRE W/ DELUXE W/ LUXURY W/O LUXURY WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLU 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

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