Cadillac CT5 I (2019-2024) engine wiring harness junction block Wiring diagrams

AUTOSAR CAN BUS SER DATA (-) 1 AUTOSAR CAN BUS SER DATA (-) 2 BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SENSOR BRAKE FLUID LEVEL SWITCH SIGNAL BRAKE MASTER CYLINDER (LEFT REAR OF ENGINE COMPT) BRAKE SYSTEM CONTROL MODULE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK FRONT BRK PAD WEAR SENS SIG GRN/GRY WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT FRONT DISC BRAKE PAD WEAR SENSOR LEFT FRONT WHEEL SPD SENS CTRL LEFT FRONT WHEEL SPD SENS SIG LEFT FRONT WHEEL SPEED SENSOR LEFT PARK BRAKE ACTUATOR LEFT PRK BRK MOTOR LOW REF LEFT PRK BRK MTR APPLY CTRL LEFT REAR WHEEL SPD SENS CTRL LEFT REAR WHEEL SPD SENS SIG LEFT REAR WHEEL SPEED SENSOR LIN BUS 1 NCA WIRE REAR BRK PAD WEAR SENS SIG RED/BRN WIRE RED/WHT WIRE RIGHT FRONT WHEEL SPD SENS CTRL RIGHT FRONT WHEEL SPD SENS SIG RIGHT FRONT WHEEL SPEED SENSOR RIGHT PARK BRAKE ACTUATOR RIGHT PRK BRK MTR APPLY CTRL RIGHT PRK BRK MTR LOW REF RIGHT REAR WHEEL SPD SENS CTRL RIGHT REAR WHEEL SPD SENS SIG RIGHT REAR WHEEL SPEED SENSOR RUN/CRANK IGN 1 VOLTAGE VIO WIRE VIO/BLK WIRE WHT WIRE YEL WIRE

2.0L TURBO 3.0L TURBO AUTOSAR CAN BUS (-) 2 SER DATA BLK WIRE BLU WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/VIO WIRE CAN-BUS COMPUTER DATA LINES SYSTEM CONTENT THEFT DETERRENT ALARM CONTENT THEFT DETERRENT SENSOR DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BLU WIRE GRN/BRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/VIO WIRE HEADLIGHTS SYSTEM HOOD STATUS A SIG HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT REAR DOOR LOCK SWITCH LH HDLP LO BEAM CTRL LIGHTING CONTROL MODULE (RIGHT SIDE OF DASH) LOGIC LR DR LK IND CTRL LR DR UNLK IND CTRL PASSENGER DOOR LOCK SWITCH PASSENGER FRONT SIDE DOOR WINDOW SWITCH RED/BLU WIRE RED/BRN WIRE RH HDLP LO BEAM CTRL RIGHT REAR DOOR LOCK SWITCH RR DR LK CTRL RR DR UNLK CTRL SECURITY IND ULTRASONIC INTRUSION SENSOR 1 ULTRASONIC INTRUSION SENSOR 2 (BACK OF OVERHEAD CONSOLE) VIO/BLU WIRE VIO/WHT WIRE WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/VIO WIRE

2.0L TURBO 3.0L AUTOSAR CAN BUS (+) SER DATA AUTOSAR CAN BUS (-) 2 SER DATA AUXILIARY TRANS OIL PUMP CTRL BATTERY POSITIVE VOLT BLK/BRN WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/YEL WIRE BRN/WHT WIRE CLUTCH C CTRL CLUTCH D CTRL CLUTCH E CTRL CLUTCH SOLENOID CONTROL COMPUTER DATA LINES SYSTEM DEFAULT DISABLE SOL CTRL ENGINE CONTROL MODULE (FRONT LEFT OF ENGINE COMPT) ENGINE WIRING HARNESS JUNCTION BLOCK ETRS OUT OF PARK SW 2 SIG ETRS OUT OF PARK SW SIG ETRS PRESS SW SIG GRN/BLK WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IN SPD SIG INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LIN BUS 1 OUT SPD SIG PARK INHIBIT SOL CTRL POWER DISTRIBUTION SYSTEM RED/GRN WIRE RUN/CRANK IGNITION 1 VOLT TRANS CLUTCH F CTRL TRANS CLUTCH G CTRL TRANS CLUTCH H CTRL TRANS HI SIDE DRIVER 1 CTRL TRANS HI SIDE DRIVER 2 CTRL TRANS IN SPD SENS SIG TRANS INTERMEDIATE SPD SIG TRANS LINE PRESS SOL CTRL TRANS OIL TEMP SENS LO REF TRANS OIL TEMP SENS SIG TRANSMISSION CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) VIO WIRE VIO/BLK WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

AUTOMATIC TRANSMISSION BLK WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/GRY WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ELECTRIC/ AUXILIARY TRANSMISSION FLUID PUMP ENGINE WIRING HARNESS JUNCTION BLOCK GEAR SHIFT CONTROL MODULE GRN WIRE GRN/GRY WIRE GRN/ORG WIRE GRN/VIO WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/BRN WIRE GRY/ORG WIRE HOT AT ALL TIMES IGNITION 1 VOLT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC NCA WIRE ORG/ WIRE POWERTRAIN SENS BUS ENABLE RED/WHT WIRE SERIAL DATA SERIAL DATA (+) (3) SERIAL DATA (-) BATTERY POS VOLT TRANSMISSION CONTROL SOLENOID VALVE 7 TRANSMISSION CONTROL SOLENOID VALVE 8 TRANSMISSION PARK VALVE LOCK SOLENOID ACTUATOR VIO/BLK WIRE VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/YEL WIRE

3.0L TURBO A/C COMPRESSOR CLUTCH RELAY BLK WIRE BLU/BRN WIRE BLU/YEL WIRE BRN/GRN WIRE CHARGE AIR COOLER COOLANT PUMP COMPUTER DATA LINES SYSTEM ENGINE COOLING FAN MOTOR ENGINE WIRING HARNESS JUNCTION BLOCK GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/GRN WIRE HEATER COOLANT PUMP HEATER COOLANT PUMP (AWD) HEATER COOLANT PUMP RELAY HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED LIN BUS 1 LOGIC NCA WIRE RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RWD VIO/BLU WIRE VOLT 8 WHT/GRY WIRE YEL/BLU WIRE

AUTO SAR CAN BUS (+) 5 SERIAL DATA AUTO SAR CAN BUS (-) 5 SERIAL DATA AUTOSAR CAN BUS (+) 1 SERIAL DATA AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (+) 8 SERIAL DATA BATT POS VOLT 65 BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK HOT AT ALL TIMES IMAGE PROCESSING MODULE (FRONT LEFT SIDE OF REAR WINDOW SHELF) INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT FRONT SHORT RANGE RADAR SENSOR LOGIC LONG RANGE FORWARD RANGE RADAR SENSOR REAR BODY WIRING HARNESS JUNCTION BLOCK REAR SHORT RANGE RADAR SENSOR RED/ORG WIRE RED/YEL WIRE RIGHT FRONT SHORT RANGE RADAR SENSOR WHT WIRE WHT/GRY WIRE

2.0L TURBO 3.0L TURBO ACT CTRL CLS ACT CTRL OPN BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE ENGINE COOLANT TEMPERATURE SENSOR 1 ENGINE COOLANT TEMPERATURE SENSOR 2 ENGINE COOLANT TEMPERATURE SENSOR 3 ENGINE COOLANT TEMPERATURE SENSOR 4 ENGINE WIRING HARNESS JUNCTION BLOCK GND 61 GRN/BLU WIRE GRN/YEL WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT 4 INLET TEMP SIG INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LATE PRODUCTION LIN BUS 4 LO REF 2 MANIFOLD TEMP SIG OUTLET TEMP SIG RADIATOR COOLANT TEMPERATURE SENSOR RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT SIDE OF RADIATOR) SENS 5 VOLT REF 1 SENS LO REF 1 SENS LO REF 2 TCM IGN/ECM IGN (EARLY PRODUCTION) TCM IGN/ECM IGN/ SHIFT IGN/ BRAKE IGN TEMP SENS 2 SIG TEMP SENS SIG TEMP SIG VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VLV POS SIG WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE

AUTOSAR CAN BATT POS VOLT BEAM CTRL BLK WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/YEL WIRE BRAKE MASTER CYLINDER) BRAKE SYSTEM CONTROL MODULE BUS (-) 2 SER CAN-BUS COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK GRN WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES LEFT DAYTIME RUNNING LAMP (W/O FRONT CORNERING LAMP) LEFT DAYTIME RUNNING LAMP, LEFT FRONT HEADLAMP LEFT HEADLAMP CONTROL MODULE LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LF DRL CTRL LF LP ASSY 2 LF LP ASSY CTRL LH HDLP HI LH HDLP LO LH PRK LP CTRL 2 LIGHTING CONTROL MODULE LIN BUS 1 LOGIC RED/WHT WIRE RF DRL CTRL RH HDLP HI RH HDLP LO RH LP ASSY 2 RH PRK LP CTRL 2 RIGHT DAYTIME RUNNING LAMP RIGHT DAYTIME RUNNING LAMP (W/O FRONT CORNERING LAMP) RIGHT FRONT HEADLAMP RIGHT HEADLAMP CONTROL MODULE RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP SECONDARY FUSED SPLY VOLT WHT WIRE WHT/YEL WIRE YEL WIRE

2.0L TURBO 3.0L TURBO AMBIENT AIR TEMP SENS SIG AMBIENT AIR TEMPERATURE SENSOR AUTOSAR CAN BUS (+) 2 SERIAL DATA BATT POSITIVE VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM ENGINE OIL LEVEL INDICATOR SWITCH ENGINE OIL PRESSURE SENSOR ENGINE OIL TEMPERATURE SENSOR ENGINE WIRING HARNESS JUNCTION BLOCK FUEL PUMP POWER CONTROL MODULE FUEL SENS 2 LO REF PRIMARY FUEL LEVEL SENS SIG FUEL SENS LO REF HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOW REF LOW REF (1) OIL LEVEL SW SIG OIL PRESS SENS SIG OIL PRESSURE SNSE SIG OIL TEMP SENS SIG PRESS SENS 5 VOLT REF PRIMARY FUEL LEVEL SENSOR FUEL TANK, FUEL PUMP MODULE PRIVATE SERIAL DATA POWERTRAIN CAN BUS (+) PRIVATE SERIAL DATA POWERTRAIN CAN BUS (-) SECONDARY FUEL LEVEL SENS SIG RED/WHT WIRE SECONDARY FUEL LEVEL SENSOR SENS LOW REF 1 TEMP SENS SIG VIO WIRE VIO/BLU WIRE WHT WIRE WHT/BRN WIRE WHT/RED WIRE YEL/BRN WIRE

BATT POS VOLT BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER RIGHT SIDE OF DASH) BRN/GRY WIRE CAN BUS (+) 2 COMPUTER DATA LINES SYSTEM DELAY SWITCH DRIVER INFORMATION CENTER DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK GRN/WHT WIRE GRY WIRE GRY/VIO WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK INT LOW OFF LIGHTING CONTROL MODULE LOGIC LOW IND CTRL MIST NCA WIRE RED/BLU WIRE RED/BRN WIRE SER DATA BUS 5 SERIAL DATA 2 VIO WIRE WASHER RLY CTRL WASHER SW SIG WASHER SWITCH WHT WIRE WHT/BLK WIRE WINDSHIELD OUTSIDE MOISTURE/AMBIENT LIGHT, HUMIDITY SENSOR WINDSHIELD WASHER PUMP WINDSHIELD WASHER PUMP RELAY WINDSHIELD WASHER SOLVENT CONTAINER LEVEL SENSOR WINDSHIELD WIPER MOTOR WINDSHIELD WIPER MOTOR RELAY WINDSHIELD WIPER MTR RLY COIL CTRL WINDSHIELD WIPER SW HI SIG WINDSHIELD WIPER, WINDSHIELD WASHER SWITCH WIPER SW LOW REF WIPER SW LOW SIG WIPER SWITCH YEL/BLU WIRE YEL/WHT WIRE