Cadillac CT4-V I (2019-2024) blk/wht Wiring diagrams

ACTR UNLOCK CTRL 1 AIR CONDITIONING SYSTEM AMBIENT LIGHT/SUNLOAD SENSOR BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BODY CONTROL MODULE (RIGHT SIDE OF DASH) BRN/BLK WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE CAN BUS (-) 2 SERIAL DATA COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DRIVER EXTERIOR DOOR HANDLE ASSEMBLY DRIVER EXTERIOR DOOR HANDLE SWITCH FUEL DR ACTR LOCK CTRL GRN/BLK WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE HOOD STATUS B SIG HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES IMMO ANT LOW SIG INTR KYLS ANT 1 HIGH SIG IMMO ANT SIG [+] INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK INTR KYLS ANT 1 LOW SIG INTR KYLS ANT 2 LOW SIG KYLS ANT HIGH SIG KYLS ANT LOW SIG LEFT LOW FREQUENCY BODY SIDE ANTENNA LEFT REAR EXTERIOR DOOR HANDLE ASSEMBLY LEFT REAR EXTERIOR DOOR HANDLE SWITCH LF ACTR LOCK CTRL LF ANT HIGH SIG LF ANT LOW SIG LF DR EXTR SW LOCK SIG LIN BUS 16 LIN BUS 4 LOCK ACTR UNLOCK CTRL 2 LOW FREQUENCY INSTRUMENT PANEL ANTENNA LOW FREQUENCY REAR BUMPER ANTENNA LR DR EXTR SW LOCK SIG LR DR LOCK ACTR LOCK CTRL NCA WIRE OPEN SW SIG PASSENGER EXTERIOR DOOR HANDLE ASSEMBLY PASSENGER EXTERIOR DOOR HANDLE SWITCH REAR BODY WIRING HARNESS JUNCTION BLOCK REAR DEFOG RLY CTRL RED/BLU WIRE RED/VIO WIRE REMOTE FUNCTION ACTUATOR MODULE RF DOOR ANT SIG HIGH INTR KYLS ANT 2 HIGH SIG RF DOOR ANT SIG LOW RF DR EXTR SW LOCK SIG RF DR LOCK ACTR LOCK CTRL RIGHT REAR EXTERIOR DOOR HANDLE ASSEMBLY RIGHT REAR EXTERIOR DOOR HANDLE SWITCH RR DR EXTR SW LOCK SIG RR DR LOCK ACTR LOCK CTRL SCTY IND CTRL SCTY LOCK ACTR SIG LR SCTY LOCK ACTR SIG RR SCTY LOCK MTR LOCK CTRL SENS LOW REF VIO WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/GRY WIRE YEL/GRN WIRE

ACC IND BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/YEL WIRE BODY CONTROL MODULE BRN/BLK WIRE CAN-BUS COMPUTER DATA LINES SYSTEM DRIVER FRONT SEAT ADJUSTER SWITCH DRIVER FRONT SIDE DOOR WINDOW REGULATOR MOTOR DRIVER SEAT ADJUSTER MEMORY MODULE ENGINE CONTROL MODULE ENGINE START/ STOP ENGINE WIRING HARNESS JUNCTION BLOCK FROM ENGINE WIRING HARNESS JUNCTION BLOCK (DIAGRAM 1 OF 8) FROM REAR BODY WIRING HARNESS JUNCTION BLOCK (DIAGRAM 7 OF 8) GRN/BLK WIRE IGNITION MODE SWITCH ACCESSORY LED SIGNAL IGNITION MODE SWITCH MODE VOLTAGE IGNITION MODE SWITCH START LED SIGNAL ILL LEFT REAR SIDE DOOR WINDOW SWITCH LOW REFERENCE MULTI-FUNCTION POWER SUPPLY CONVERTER ON/OFF VEHICLE SWITCH PASSENGER FRONT SEAT ADJUSTER SWITCH PASSENGER SEAT ADJUSTER MEMORY MODULE PASSIVE START SWITCH SIGNAL 2 REAR BODY WIRING HARNESS JUNCTION BLOCK RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE SERIAL DATA GATEWAY MODULE START IND STARTER RELAY TO INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK (DIAGRAM 4 OF 8) TRAILER IGNITION POWER RELAY VIO/GRN WIRE W/ MEMORY W/ POWER BOLSTER PASSENGER SEAT W/O MEMORY W/O POWER BOLSTER PASSENGER SEAT WHT WIRE YEL WIRE YEL/BLK WIRE

BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DISPLAY GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC LVDS RADIO RADIO CONTROL RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE VIO WIRE VIO/BLU WIRE VIO/YEL WIRE W/ ONSTAR W/O ONSTAR WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/WHT WIRE CARD READER RECEPTACLE COAX COMPUTER DATA LINES SYSTEM GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY/YEL WIRE LEFT FRONT MOBILE TELEPHONE MICROPHONE LOGIC LVDS NCA WIRE RED/BLU WIRE RED/VIO WIRE RIGHT FRONT MOBILE TELEPHONE MICROPHONE USB VEHICLE PERFORMANCE CAMERA VEHICLE PERFORMANCE DATA RECORDER VEHICLE PERFORMANCE GPS ANTENNA VIO WIRE VIO/BLU WIRE VIO/YEL WIRE W/ ONSTAR W/O ONSTAR WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/VIO WIRE

1 PU 2 PU AUDIO (-) CONTROL AUDIO (-) CTRL AUTOSAR CAN BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/WHT WIRE BUS (-) 5 SER DATA CELL PHONE SIG CELL/GPS CELLULAR TELE CELLULAR TELE MICRO COAX COAXIAL ANTENNA COMBINED SIG COMPUTER DATA COMPUTER DATA LINES SYSTEM ETHERNET BUS 4 (-) GRN/BLK WIRE GRN/YEL WIRE GRY WIRE GRY/WHT WIRE GRY/YEL WIRE HIGH FREQUENCY ANTENNA INFOTAINMENT CONTROL SWITCH INTERIOR LIGHTS LINES SYSTEM LOGIC LOW REF LOW REF 7 MICRO SIG + MULTIMEDIA RECEPTACLE NCA WIRE RED/VIO WIRE SYSTEM USB VIO/BLU WIRE VOICE RECOGNITION W/ ONSTAR W/O ONSTAR WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/VIO WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DISPLAY GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY/YEL WIRE GY LVDS HOT AT ALL TIMES INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC LVDS RADIO RADIO CONTROL RED/BLU WIRE RED/VIO WIRE VIO WIRE VIO/YEL WIRE W/ ONSTAR W/O ONSTAR WHT/BLK WIRE

1 PU 2 PU AUDIO (-) CONTROL AUDIO (-) CTRL AUTOSAR CAN BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/VIO WIRE BRN/WHT WIRE BUS (-) 5 SER DATA CELL PHONE SIG CELL/GPS CELLULAR TELE CELLULAR TELE MICRO COAX COAXIAL ANTENNA COMBINED SIG COMPUTER DATA LINES SYSTEM ETHERNET BUS 4 (-) GRN/BLK WIRE GRY WIRE GRY/WHT WIRE GRY/YEL WIRE INFOTAINMENT CONTROL SWITCH LOGIC LOW REF LOW REF 7 MICRO SIG + MULTIMEDIA RECEPTACLE NCA WIRE RED/VIO WIRE USB VOICE RECOGNITION W/ ONSTAR W/O ONSTAR WHT/BLK WIRE YEL WIRE

AM/FM RADIO ANTENNA AMPLIFIER BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN/BLK WIRE BRN/VIO WIRE BRN/WHT WIRE COAX COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH GRN/BLK WIRE GRN/GRY WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE LEFT RADIO QUARTER SPEAKER LOGIC LVDS MUTE RADIO REAR VIEW CAMERA RIGHT RADIO BODY REAR SIDE CORNER UPPER GARNISH MOLDING RIGHT RADIO REAR SIDE DOOR SPEAKER USB VIO/WHT WIRE VOICE WHT WIRE WHT/BLK WIRE YEL/BRN WIRE

AUTOMATIC TRANSMISSION (10-SPEED A/T) AUTOMATIC TRANSMISSION (8-SPEED A/T) AUTOMATIC TRANSMISSION CONTROL LEVER AUTOMATIC TRANSMISSION MANUAL SHIFT SHAFT POSITION SWITCH BATT POS VOLT BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRAKE PEDAL POSITION SENSOR BRK APPLY SENS LOW REF BRK APPLY SENS SIG BRK APPLY SENS SPLY VOLT BRK POS SENS SIG BRN/BLU WIRE CAN BUS (-) 2 SER DATA CAN BUS (-) 2 SERIAL DATA COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (UNDERHOOD UNDER FUSE BLOCK) ENGINE CONTROLS SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK ETHERNET BUS 7 (+) ETHERNET BUS 7 (-) GND 13 GRN WIRE GRN/YEL WIRE GRY/BLU WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOCK SHIFT POS SIG LOGIC NCA WIRE PARK POSITION SWITCH PARK SW SIG PARK SW SIG 2 PRK LOCK SOL ACT CTRL RED/BRN WIRE RED/GRY WIRE RUN/CRANK IGNITION 1 VOLTAGE 21 SENS 5 VOLT REF 1 SENS LOW REF 1 SW MODE CTRL X SWITCH MODE CTRL Y TRANS OUT SHAFT SPD TRANSMISSION CONTROL MODULE TRANSMISSION PARK VALVE POSITION SWITCH TRANSMISSION SHIFT LOCK CONTROL SOLENOID ACTUATOR TRANSMISSIONS SYSTEM VIO/BLK WIRE VIO/WHT WIRE W/O WINDSHIELD HEAD-UP DISPLAY WHT WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/GRN WIRE YEL/GRY WIRE

AUTOSAR CAN BUS (+) 2 SERIAL DATA BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (RIGHT SIDE OF DASH) BRN WIRE BRN/GRY WIRE CAN BUS (+) 2 CAN BUS (-) 2 LIFTGATE AJAR SWITCH SIGNAL 1 COMPUTER DATA LINES SYSTEM DISPLAY DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH GRN/BLK WIRE GRN/YEL WIRE GROUND HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK INTERIOR REAR COMPARTMENT LID RELEASE SWITCH LIFTGATE WINDOW/REAR COMPT LID UNLATCH SIGNAL LIGHTING CONTROL MODULE LIN BUS 2 LIN BUS 3 LOGIC MULTI-FUNCTION CARRIER REAR LICENSE PLATE LAMP REAR CLOSURE HANDLE SWITCH OPEN SIGNAL REAR CLOSURE UNLATCH ACTUATOR UNLATCH CONTROL REAR COMPARTMENT LID LATCH RED WIRE RED/BRN WIRE VIO/BLU WIRE VIO/GRY WIRE W/ WINDSHIELD HEAD-UP DISPLAY W/O WINDSHIELD HEAD-UP DISPLAY WHT WIRE YEL/BLU WIRE