Cadillac CT4 I (2019-2024) wht/gry 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

AUTOMATED DRIVING MAPPING MODULE AUTOSAR CAN BUS (+) 8 SERIAL DATA BATTERY POSITIVE VOLT BLK WIRE BLU/GRY WIRE BRN WIRE BRN/BLU WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ETHERNET BUS 11 (-) ETHERNET BUS 3 (+) ETHERNET BUS 7 (-) HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE LOGIC REAR BODY WIRING HARNESS JUNCTION BLOCK RED WIRE RED/YEL WIRE W/O WINDSHIELD HEAD-UP DISPLAY WHT/BRN WIRE WHT/GRY WIRE YEL WIRE YEL/BRN WIRE

A/C EVAPORATOR TEMPERATURE SENS SIG AIR CONDITIONING SYSTEM AIR CONDITIONING, DOOR LOCKS, ANTI-THEFT SYSTEMS AMBIENT LIGHT SENS SIG ANTI-LOCK BRAKES SYSTEM AUTOMATIC VEHICLE HOLD INDICATOR CTRL HEADLAMP SWITCH ON SIG AUTOMATIC VEHICLE HOLD SWITCH SIGNAL AUTOSAR CAN BUS (+) 2 SERIAL DATA BLK WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLOWER MOTOR SPEED CTRL BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (RIGHT SIDE OF DASH) BODY CONTROL MODULE LIN BUS 6 BODY CTRL MDL LIN BUS 11 BODY CTRL MODULE LIN BUS 5 BRN/BLK WIRE BRN/GRN WIRE BRN/WHT WIRE CHILD SECURITY LOCK ACTUATOR CHILD SECURITY LOCK ACTUATOR STATUS SIG RIGHT REAR CHILD SECURITY LOCK MOTOR LOCK CTRL COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE CONTROL, TRANSMISSIONS SYSTEMS CRUISE CTRL SET/COAST/ RESUME/ACCELERATE SWITCH SIG CURB VIEW ENABLE SIGNAL DISTANCE SENSING CRUISE CTRL GAP UP/DOWN SWITCH SIG DOOR LOCKS, ANTI-THEFT SYSTEMS DRIVER MODE 1 SWITCH SIG DRIVER MODE 2 SWITCH SIGNAL DRIVER SOLAR SENS SIG ENHANCED DRIVER MODE 1 SWITCH SIG FOOTWELL ACCENT LIGHTING CTRL FRONT FOOTWELL ACCENT LIGHTING CTRL GND 14 GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE HAZARD WARNING SWITCH SIG HEADLAMP SWITCH FLASH SIG HEADLAMP SWITCH OFF SIG HEADLAMP SWITCH PARK LAMP SIG HEADLIGHTS SYSTEM HIGH BEAM SELECT SWITCH HIGH BEAM SIG HORN SWITCH SIG HORNS SYSTEM HOT AT ALL TIMES HVAC REMOTE ENABLE SIG HVAC SYSTEM ENABLE SIG IGNITION MODE SWITCH ACCESSORY LED SIG IGNITION MODE SWITCH MODE VOLTAGE IMMOBILIZER ANTENNA LOW SIG IMMOBILIZER ANTENNA SIG (+) INSIDE AIR TEMPERATURE SENS SIG INSTRUMENT PANEL ACCENT LIGHTING CTRL INSTRUMENT PANEL FUSE BLOCK INTERIOR LAMP SIGNAL INTERIOR PASSIVE ENTRY ANTENNA 1 HIGH SIG INTERIOR PASSIVE ENTRY ANTENNA 1 LOW SIG LEFT TURN SIG SWITCH SIG NAVIGATION SYSTEM POWER DISTRIBUTION SYSTEM REAR COMPARTMENT COURTESY LAMP CTRL REAR FOOTWELL ACCENT LIGHTING CTRL RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/VIO WIRE RETAINED ACCESSORY POWER RELAY 2 COIL CTRL RIGHT TURN SIG SWITCH SIG RUN/CRANK RELAY COIL CTRL SECONDARY FUSED BATTERY POSITIVE VOLTAGE 21 SECONDARY FUSED BATTERY POSITIVE VOLTAGE 22 SECONDARY FUSED BATTERY POSITIVE VOLTAGE 25 SECONDARY FUSED BATTERY POSITIVE VOLTAGE 40 SECURITY INDICATOR CTRL SENS LOW REFERENCE SOUND SYSTEMS STARTING/CHARGING, POWER DISTRIBUTION SYSTEMS STATUS SIG LEFT REAR STEERING WHEEL RESISTOR LADDER LOW REFERENCE TAP UP/DOWN SWITCH SIG TRACTION CTRL SWITCH SIG 1 TRANSMISSIONS SYSTEM VIO/BLU WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE WHT/YEL WIRE WINDSHIELD WASHER SWITCH SIG WINDSHIELD WIPER SWITCH LOW REFERENCE WINDSHIELD WIPER SWITCH LOW SIG WIPER/WASHER SYSTEM YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

APPROACH LAMP CONTROL BACKUP LAMP BACKUP LAMP CONTROL BACKUP LAMP CONTROL 2 BACKUP LAMPS CIRCUIT BLK WIRE BLU/VIO WIRE BLU/WHT WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/YEL WIRE CENTER HIGH MOUNTED STOP LAMP CENTER HIGH MOUNTED STOP LAMP SUPPLY VOLTAGE COMPUTER DATA LINES SYSTEM DRIVER OUTSIDE REAR- VIEW MIRROR ETHERNET BUS 7 (-) GND 13 GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT REAR PARK LAMP LEFT REAR PARK LAMP CONTROL RR TURN SIGNAL LAMP CONTROL 2 LEFT STOP/ TURN SIGNAL LAMP LEFT TAIL LAMP ASSEMBLY LEFT TURN IND LEFT TURN SIGNAL LAMP CONTROL 2 LEFT TURN SIGNAL REPEATER LAMP LIGHTING CONTROL MODULE (RIGHT SIDE OF DASH) LOGIC LR TURN SIGNAL LAMP CONTROL 2 NCA WIRE PARK LAMPS IND PASSENGER OUTSIDE REAR VIEW MIRROR REAR LICENSE PLATE LAMP REAR LICENSE PLATE LAMP CONTROL REAR TURN SIGNAL LAMP FEEDBACK SIG RIGHT REAR PARK LAMP RIGHT REAR PARK LAMP CONTROL RIGHT STOP/ TURN SIGNAL LAMP RIGHT TAIL LAMP ASSEMBLY RIGHT TURN IND RIGHT TURN SIGNAL LAMP CONTROL 2 RIGHT TURN SIGNAL REPEATER LAMP RR TURN SIGNAL LAMP FEEDBACK SIGNAL RUN/CRANK IGNITION 1 VOLTAGE 21 RUN/CRANK IGNITION 1 VOLTAGE 5 VIO/BLK WIRE VIO/GRY WIRE W/ HEAD-UP DISPLAY WINDSHIELD W/O HEAD-UP DISPLAY WINDSHIELD WHT/BLK WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE WINDSHIELD WIPER SWITCH HIGH SIGNAL WIPER/WASHER SYSTEM YEL/BLU WIRE

BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BRN/BLU WIRE DRIVER FRONT SEAT BACK VENTILATION BLOWER DRIVER FRONT SEAT CUSHION VENTILATION BLOWER GRN/VIO WIRE GRY/BLK WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED IGN INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC NCA WIRE PASSENGER FRONT SEAT BACK HEATER PASSENGER FRONT SEAT BACK VENTILATION BLOWER PASSENGER FRONT SEAT CUSHION HEATER PASSENGER FRONT SEAT CUSHION VENTILATION BLOWER VIO/GRY WIRE VIO/WHT WIRE WHT/BLU WIRE WHT/GRY WIRE

BLK WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/GRY WIRE BLU/YEL WIRE BODY CONTROL MODULE (RIGHT SIDE OF DASH) BRN/BLU WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH DAY NIGHT LED CONTROL DISTANCE SENSING CRUISE CONTROL GAP UP/DOWN SWITCH SIGNAL DRIVER INFORMATION CENTER DISPLAY ETHERNET BUS 7 (-) FORWARD COLLISION ALERT DISPLAY FORWARD COLLISION ALERT LED CONTROL FORWARD COLLISION SWITCH GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HAZARD WARNING SWITCH HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LANE DEPARTURE WARNING DISABLE IND LANE DEPARTURE WARNING DISABLE SWITCH LANE DEPARTURE WARNING DISABLE SWITCH SIGNAL LANE DEPARTURE WARNING IND LANE DEPARTURE WARNING INDICATOR CONTROL LANE DEPARTURE WARNING SWITCH LANE KEEP ASSIST IND LOGIC REAR BODY WIRING HARNESS JUNCTION BLOCK RED/YEL WIRE STEERING WHEEL AIR BAG COIL VEHICLE AHEAD INDICATOR IND VIO/GRY WIRE WHT WIRE WHT/GRY WIRE WINDSHIELD FRONT VIEW CAMERA

BATT POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BODY CONTROL MODULE LIN BUS 3 GND BRN/BLK WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DOWN DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH DRIVER OUTSIDE REAR VIEW MIRROR ACTUATOR DRIVER OUTSIDE REAR VIEW MIRROR COURTESY LAMP DRIVER OUTSIDE REAR VIEW MIRROR FOLDING ACTUATOR DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR DRIVER SIDE OBJECT DETECTION INDICATOR DRV MIR MTR COMMON CTRL DRV MIR MTR RH (+) LH (-) CTRL DRV MIR MTR UP (+) DOWN (-) CTRL DRV MIR POSITION SENS HI REF DRV MIR POSITION SENS LH (-) RH (+) SIG DRV MIR POSITION SENS UP (+) DOWN (-) SIG GRN/YEL WIRE GRY/BRN WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT LEFT TURN SIGNAL REPEATER LAMP LF MIRR MOTOR FOLD IN CONTROL LF MIRR MOTOR FOLD OUT CONTROL LH OUTSIDE REAR VIEW MIRR POS SENS LO REF LOGIC MIRROR DIMMING MIRRORS SYSTEM NAVIGATION SYSTEM OFF OUT REAR BODY WIRING HARNESS JUNCTION BLOCK RED/BLU WIRE RED/VIO WIRE RIGHT VIO/BLU WIRE VIO/RED WIRE WHT WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/YEL WIRE YEL/BRN WIRE YEL/WHT WIRE

AUTOSAR CAN BUS (+) 1 SERIAL DATA AUTOSAR CAN BUS (+) 2 SERIAL DATA BATTERY POSITIVE VOLTAGE BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BODY CONTROL MODULE (RIGHT SIDE OF DASH) BRN WIRE BRN/BLU WIRE BRN/WHT WIRE BUS 7 (-) COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ETHERNET FRT PRK ASSIST DISPLAY CTRL FRT PRK ASSIST SENS LOW REF GRN/BRN WIRE GRY/BLU WIRE GRY/GRN WIRE HAZARD WARNING SWITCH HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT FRONT MIDDLE PARKING ASSIST ALARM SENSOR LEFT FRONT OUTER PARKING ASSIST ALARM SENSOR LEFT REAR MIDDLE PARKING ASSIST ALARM SENSOR LEFT REAR OUTER PARKING ASSIST ALARM SENSOR LF MID PRK ASSIST SENS LF OUTER PRK ASSIST SENS LOGIC LR MID PRK ASSIST SENS SIG OBJECT SENS LOW REF OBJECT SENSOR VOLTAGE REF PARKING ASSIST CONTROL MODULE REAR BODY WIRING HARNESS JUNCTION BLOCK REAR PARKING ASSIST DISABLE IND REAR PARKING ASSIST DISABLE LED SIGNAL REAR PARKING ASSIST DISABLE SIGNAL REAR PARKING ASSIST DISABLE SWITCH RED/GRN WIRE RF MID PRK ASSIST SENS RF OUTER PRK ASSIST SENS RIGHT FRONT MIDDLE PARKING ASSIST ALARM SENSOR RIGHT FRONT OUTER PARKING ASSIST ALARM SENSOR RIGHT REAR MIDDLE PARKING ASSIST ALARM SENSOR RIGHT REAR OUTER PARKING ASSIST ALARM SENSOR RR MID PRK ASSIST SENS SIG LR OUTER PRK ASSIST SENS SIG RR OUTER PRK ASSIST SENS SIG SIG GROUND VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/GRY WIRE YEL WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE

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

BATT POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BODY CONTROL MODULE LIN BUS 3 GND BRN/BLK WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DOWN DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH DRIVER OUTSIDE REAR VIEW MIRROR ACTUATOR DRIVER OUTSIDE REAR VIEW MIRROR COURTESY LAMP DRIVER OUTSIDE REAR VIEW MIRROR FOLDING ACTUATOR DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR DRIVER SIDE OBJECT DETECTION INDICATOR DRV MIR MTR COMMON CTRL DRV MIR MTR RH (+) LH (-) CTRL DRV MIR MTR UP (+) DOWN (-) CTRL DRV MIR POSITION SENS HI REF DRV MIR POSITION SENS LH (-) RH (+) SIG DRV MIR POSITION SENS UP (+) DOWN (-) SIG GRN/YEL WIRE GRY/BRN WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT LEFT TURN SIGNAL REPEATER LAMP LF MIRR MOTOR FOLD IN CONTROL LF MIRR MOTOR FOLD OUT CONTROL LH OUTSIDE REAR VIEW MIRR POS SENS LO REF LOGIC MIRROR DIMMING MIRRORS SYSTEM NAVIGATION SYSTEM OFF OUT REAR BODY WIRING HARNESS JUNCTION BLOCK RED/BLU WIRE RED/VIO WIRE RIGHT VIO/BLU WIRE VIO/RED WIRE WHT WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/YEL WIRE YEL/BRN WIRE YEL/WHT WIRE