Cadillac CT4 I (2019-2024) blu/yel Wiring diagrams

ACTIVE GRILLE AIR SHUTTER 1 ACTUATOR AUTOSAR CAN BUS SERIAL DATA (-) 5 BLK WIRE BLU/WHT WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK GRN/VIO WIRE GROUND HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED IGN INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC RUN/CRANK IGN 1 VOLTAGE VIO/BLK WIRE VIO/BLU WIRE W/O WINDSHIELD HEAD-UP DISPLAY

AUDIO AMPLIFIER AUTOSAR CAN BUS AUTOSAR CAN BUS (+) 1 SERIAL DATA AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (+) 4 SERIAL DATA AUTOSAR CAN BUS (+) 5 SERIAL DATA AUTOSAR SERIAL DATA AUTOSAR SERIAL DATA CAN BUS (-) 4 SERIAL DATA AUTOSAR SERIAL DATA CAN BUS (-) 8 SERIAL DATA BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/WHT WIRE CAN BUS (-) 8 SERIAL DATA DRIVER SEAT ADJUSTER MEMORY MODULE ETHERNET BUS 3 (+) ETHERNET BUS 4 (-) GND 21 GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES LEFT FRONT SHORT RANGE RADAR SENSOR LEFT SIDE OBSTACLE DETECTION CONTROL MODULE LIN BUS 1 LONG RANGE FORWARD RANGE RADAR SENSOR PASS SEAT MEM CTRL MOD LIN BUS 2 PASSENGER SEAT ADJUSTER MEMORY MODULE REAR BODY WIRING HARNESS JUNCTION BLOCK RED/BRN WIRE RIGHT FRONT SHORT RANGE RADAR SENSOR RIGHT SIDE OBSTACLE DETECTION CONTROL MODULE SECONDARY FUSED BATT POS VOLT 59 AUTOSAR SERIAL DATA CAN BUS (+) 8 SERIAL DATA SERIAL DATA GATEWAY MODULE (LEFT SIDE OF DASH) STEERING COLUMN TILT WHEEL, TELESCOPE CONTROL SWITCH TELEMATIC CONTROL MODULE W/ BRANDED SURROUND AMPLIFIER W/ LANE ACTIVE SAFETY W/ ONSTAR W/O BRANDED SURROUND AMPLIFIER W/O LANE ACTIVE SAFETY W/O ONSTAR WHT WIRE WHT/GRY WIRE

AUTOMATED DRIVING MAPPING MODULE AUTOSAR CAN BUS (+) 1 SERIAL DATA AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (+) 4 SERIAL DATA AUTOSAR CAN BUS (+) 8 SERIAL DATA BLU WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/WHT WIRE DIFFERENTIAL CONTROL MODULE ETHERNET BUS 11 (-) ETHERNET BUS 3 (+) GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HEATED STEERING WHEEL MODULE IMAGE PROCESSING MODULE (W/ INTEGRATED BRAKE ASSIST) LEFT SHORT RANGE RADAR REAR SENSOR LEFT SHORT RANGE RADAR REAR SIDE SENSOR LIN BUS 1 NCA WIRE RIGHT SHORT RANGE RADAR REAR SENSOR RIGHT SHORT RANGE RADAR REAR SIDE SENSOR STEERING WHEEL AIR BAG COIL W/ INTEGRATED BRAKE ASSIST W/ LANE ACTIVE SAFETY W/O ELECTRONIC AXLE POSITRACTION W/O INTEGRATED BRAKE ASSIST W/O LANE ACTIVE SAFETY WHT WIRE WHT/BRN WIRE WHT/GRY WIRE WINDSHIELD FRONT VIEW CAMERA YEL/BRN WIRE

2.0L 5-VOLT REF 1 ACTR CTRL CLS ACTR CTRL OPN BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLOCK ENGINE COOLANT FLOW CONTROL VALVE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM COOLANT TEMP SIG DATA DIVERTER VALVE POS SIG DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (UNDER FUSE BLOCK UNDERHOOD) ENGINE COOLANT BYPASS VALVE ENGINE COOLANT FLOW CONTROL VALVE ENGINE COOLANT TEMPERATURE SENSOR 1 ENGINE COOLANT TEMPERATURE SENSOR 2 ENGINE COOLANT TEMPERATURE SENSOR 3 ENGINE COOLANT TEMPERATURE SENSOR 4 ENGINE COOLANT TEMPERATURE SENSOR 5 ENGINE COOLANT TEMPERATURE SENSOR 6 GRN/BRN WIRE GROUND 61 GRY/VIO WIRE HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT 4 INSTRUMENT CLUSTER INSTRUMENT PANEL WIRING HARNESS FUSE BLOCK LOGIC MOST SERIAL ON UPPER SUPPORT RAIL) RADIATOR COOLANT TEMPERATURE SENSOR SENS 2 SIG SENS LO REF 1 SENS LO REF 2 TEMP SIG UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLU WIRE VIO/GRN WIRE W/O WINDSHIELD HEAD-UP DISPLAY WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE

AUTOSAR CAN BUS (+) 5 SERIAL DATA BATT POS VOLT BATTERY DISTRIBUTION ENGINE COMPT FUSE BLOCK BLK WIRE BLK/WHT WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE MASTER CYLINDER) BRAKE SYSTEM CONTROL MODULE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE HI SPEED GMLAN SER DATA (-) 2 HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT PARKING BRAKE ACTUATOR LEFT PRK BRK MTR APPLY CTRL LEFT PRK BRK MTR LOW REF LOGIC PARK BRAKE IND PARKING BRAKE CONTROL SWITCH RED/BRN WIRE RED/VIO WIRE RIGHT PARKING BRAKE ACTUATOR RIGHT PRK BRK MTR APPLY CTRL RIGHT PRK BRK MTR LOW REF RUN/CRANK IGNITION 1 VOLTAGE SERVICE PARK BRAKE IND VIO/BLK WIRE W/O WINDSHIELD HEAD-UP DISPLAY WHT 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

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

BATTERY POSITIVE VOLT BLK WIRE BLU WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE BODY CTRL MOD LIN BUS 3 CAN BUS (-) 1 SERIAL DATA CAN BUS (-) 1 SERIAL DATA OFF/ACCESSORY IGN VOLT COLUMN LOCK MODULE (LOWER STEERING COLUMN) COMPUTER DATA LINES SYSTEM DRIVER FRONT SIDE DOOR LATCH DRIVER FRONT SIDE DOOR WINDOW REGULATOR MOTOR FRONT DOOR LOCK IND CTRL GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC RED/GRY WIRE SERIAL DATA (-) (1) WHT WIRE