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

AUTOSAR CAN BUS (+) 2 SERIAL DATA BACKUP LAMP CONTROL BLK WIRE BLK/WHT WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK GRN/WHT WIRE GROUND 22 HOT AT ALL TIMES INSIDE REAR VIEW MIRROR LIGHTING CONTROL MODULE (RIGHT SIDE OF DASH) NCA WIRE RADIO REAR BACKUP FASCIA AUXILIARY SIGNAL LAMP RED/WHT WIRE SECONDARY FUSED BATTERY POSITIVE VOLTAGE 27 TRANSMISSION CONTROL MODULE WHT WIRE

APPROACH LAMP CONTROL AUTOSAR CAN BUS (+) 2 SERIAL DATA BLK WIRE BLK/WHT WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/YEL WIRE CENTER HIGH MOUNTED STOP LAMP SPLY VOLTAGE COMPUTER DATA LINES SYSTEM CRUISE/ETC/TCC BRAKE SIGNAL ENGINE WIRING HARNESS JUNCTION BLOCK EXTERIOR DOOR HANDLE LAMP CONTROL FRONT TURN SIGNAL LAMP FEEDBACK SIGNAL GRN/GRY WIRE GRN/VIO WIRE GRN/YEL WIRE HOT AT ALL TIMES LEFT CORNERING LAMP CONTROL LEFT FRONT LAMP ASSEMBLY CONTROL LEFT FRONT PARK LAMP CONTROL LEFT FRONT SIDE MARKER LAMP LEFT FRONT TURN SIGNAL LAMP CONTROL LEFT PARK LAMP CONTROL 2 LEFT REAR PARK LAMP CONTROL LEFT REAR TURN SIGNAL LAMP CONTROL 2 LEFT TURN SIGNAL LAMP CONTROL 2 LIGHTING CONTROL MODULE (RIGHT SIDE OF DASH) LOGIC REAR LICENSE PLATE LAMP CONTROL REAR TURN SIGNAL LAMP FEEDBACK SIGNAL RED/WHT WIRE RIGHT CORNERING LAMP CONTROL RIGHT FRONT PARK LAMP CONTROL RIGHT FRONT SIDE MARKER LAMP RIGHT FRONT TURN SIGNAL LAMP CONTROL RIGHT FRONT TURN SIGNAL LAMP FEEDBACK SIGNAL RIGHT PARK LAMP CONTROL 2 RIGHT REAR PARK LAMP CONTROL RIGHT REAR TURN SIGNAL LAMP CONTROL 2 RIGHT REAR TURN SIGNAL LAMP FEEDBACK SIGNAL RIGHT TURN SIGNAL LAMP CONTROL 2 SECONDARY FUSED BATTERY POSITIVE VOLTAGE 27 VIO/BLK WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE WHT/YEL WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/WHT WIRE

2.0L TURBO 3.0L TURBO AUTOSAR CAN BUS SERIAL DATA (+) 3 AUTOSAR CAN BUS SERIAL DATA (+) 2 AUTOSAR CAN BUS SERIAL DATA (+) 5 AUTOSAR CAN BUS SERIAL DATA (-) 5 BLK WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE ENGINE WIRING HARNESS JUNCTION BLOCK FRONT BUMPER SHUTTER ACTUATOR 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 LIN LIN BUS 1 LOGIC RUN/CRANK IGN 1 VOLTAGE VIO/BLK WIRE VIO/BLU WIRE

2.0L TURBO ACCESSORY TIME DELAY CUTOFF RELAY AIR CONDITIONING COMPRESSOR AIR CONDITIONING CLUTCH AUDIO AMPLIFIER AUTOMATIC TRANSMISSION ELECTRIC/ AUXILIARY TRANSMISSION FLUID PUMP BATTERY MONITOR MODULE BLK WIRE BRN WIRE COLUMN LOCK MODULE CRUISE CONTROL SWITCH DATA LINK CONNECTOR DIMMER SWITCH DRIVER STEERING WHEEL MONITORING SYSTEM MODULE ENGINE COOLANT FLOW CONTROL VALVE ENGINE RESTART RELAY ENGINE WIRING HARNESS JUNCTION BLOCK EVAPORATIVE EMISSION CANISTER PURGE PUMP FORWARD COLLISION ALERT DISPLAY HEAD-UP DISPLAY HEAD-UP DISPLAY SWITCH HEATED STEERING WHEEL MODULE IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 IGNITION MAIN RELAY INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT AUTOMATIC TRANSMISSION MANUAL SHIFT AUXILIARY POSITION SWITCH LEFT FRONT FLOOR COURTESY LAMP NCA WIRE ON/OFF VEHICLE SWITCH PARKING BRAKE CONTROL SWITCH RIGHT AUTOMATIC TRANSMISSION MANUAL SHIFT AUXILIARY POSITION SWITCH RIGHT RADIO ANTENNA COIL STARTER RELAY STEERING WHEEL AIR BAG COIL STEERING WHEEL HORN CONTACT STEERING WHEEL RADIO CONTROL SWITCH TELEMATIC CONTROL MODULE TURN SIGNAL SWITCH W/ LANE ACTIVE SAFETY W/ STEERING WHEEL W/O LANE ACTIVE SAFETY WHT WIRE YEL WIRE

BLK WIRE BRAKE FLUID LEVEL SENSOR BRAKE MASTER CYLINDER) BRAKE SYSTEM CONTROL MODULE DRIVER DOOR LOCK SWITCH DRIVER FRONT SEAT ADJUSTER MEMORY SWITCH DRIVER FRONT SEAT ADJUSTER SWITCH DRIVER FRONT SEAT BACK VENTILATION BLOWER DRIVER FRONT SEAT BOLSTER MEMORY MODULE DRIVER FRONT SEAT CUSHION VENTILATION BLOWER DRIVER FRONT SEAT LUMBAR SWITCH DRIVER FRONT SIDE DOOR COURTESY LAMP DRIVER FRONT SIDE DOOR LATCH ASSEMBLY DRIVER FRONT SIDE DOOR LIGHT CONDUCTOR TRIM PANEL LAMP DRIVER FRONT SIDE DOOR PULL CUP ILLUMINATION LAMP DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH DRIVER FRONT SIDE DOOR WINDOW REGULATOR MOTOR DRIVER OUTSIDE REAR VIEW MIRROR EXTERIOR FLOOD LAMP DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR DRIVER SEAT ADJUSTER MEMORY MODULE ENGINE WIRING HARNESS JUNCTION BLOCK INFOTAINMENT CONTROL SWITCH INTERIOR REAR COMPARTMENT LID RELEASE SWITCH LEFT FRONT SEAT BELT RETRACTOR MOTOR LEFT FRONT SIDE DOOR INSIDE HANDLE ILLUMINATION LAMP LEFT FRONT SIDE DOOR MAP COURTESY POCKET LAMP LEFT FRONT SIDE DOOR OUTSIDE HANDLE LEFT OUTSIDE REAR VIEW MIRROR TURN SIGNAL LAMP LEFT REAR FLOOR COURTESY LAMP LEFT REAR FRONT SEAT LANE DEPARTURE WARNING ACTUATOR MULTIMEDIA RECEPTACLE NCA WIRE RADIO RADIO CONTROL RIGHT REAR FRONT SEAT LANE DEPARTURE WARNING ACTUATOR W/ MEMORY W/ VENTILATION SEATS W/O MEMORY WHT WIRE WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER MOTOR WINDSHIELD WIPER MOTOR RELAY

2 WAY 4-WAY AIR CONDITIONING CLUTCH AIR CONDITIONING COMPRESSOR AUTOMATIC TRANSMISSION ELECTRIC/ AUXILIARY TRANSMISSION FLUID PUMP BLK WIRE CHARGE AIR COOLER COOLANT PUMP ENGINE RESTART RELAY ENGINE WIRING HARNESS JUNCTION BLOCK FRONT SEAT HEATER VENT CONTROL MODULE HEATER COOLANT PUMP IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 IGNITION COIL 5 IGNITION COIL 6 LIGHTING CONTROL MODULE NCA WIRE PASSENGER DOOR LOCK SWITCH PASSENGER FRONT SEAT ADJUSTER SWITCH PASSENGER FRONT SEAT BACK LUMBAR PUMP PASSENGER FRONT SEAT BACK VENTILATION BLOWER PASSENGER FRONT SEAT BLADDER CONTROL MODULE PASSENGER FRONT SEAT BOLSTER MEMORY MODULE PASSENGER FRONT SEAT CUSHION VENTILATION BLOWER PASSENGER FRONT SEAT LUMBAR SWITCH PASSENGER FRONT SIDE DOOR COURTESY LAMP PASSENGER FRONT SIDE DOOR LATCH PASSENGER FRONT SIDE DOOR LIGHT CONDUCTOR TRIM PANEL PASSENGER FRONT SIDE DOOR PULL CUP ILLUMINATION LAMP PASSENGER FRONT SIDE DOOR WINDOW REGULATOR MOTOR PASSENGER FRONT SIDE DOOR WINDOW SWITCH PASSENGER OUTSIDE REAR VIEW MIRROR GLASS PASSENGER SEAT ADJUSTER MEMORY MODULE RIGHT FRONT SEAT BELT RETRACTOR MOTOR RIGHT FRONT SIDE DOOR INSIDE HANDLE ILLUMINATION LAMP RIGHT FRONT SIDE DOOR OUTSIDE HANDLE RIGHT OUTSIDE REAR VIEW MIRROR TURN SIGNAL LAMP RIGHT REAR FLOOR COURTESY LAMP STARTER RELAY W/ HEATED SEATS W/ MEMORY W/ PASSENGER POWER BOLSTER SEAT W/ PASSENGER POWER W/O BOLSTER SEAT WHT WIRE YEL WIRE

BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BATTERY DISTRIBUTION FUSE BLOCK BLK WIRE BODY CONTROL MODULE BRN WIRE BRN/WHT WIRE ENGINE WIRING HARNESS JUNCTION BLOCK GRN WIRE GRN/WHT WIRE GRY WIRE HIGH NOTE HORN HORN RELAY HORN RELAY CONTROL HORN SWITCH SIGNAL HOT AT ALL TIMES LOW NOTE HORN NCA WIRE RED WIRE RED/GRN WIRE STEERING WHEEL AIR BAG COIL STEERING WHEEL HORN CONTACT WHT WIRE

2.0L TURBO 3.0L TURBO 4-WAY 6-WAY ACC IND BATT POS VOLT 62 BATT POS VOLT 63 BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY 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 INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK (DIAGRAM 4 OF 8) FROM REAR BODY WIRING HARNESS JUNCTION BLOCK (DIAGRAM 7 OF 8) GRN/BLK WIRE GRN/VIO WIRE GROUND 25 IGNITION MODE POWER IGNITION MODE SWITCH ACCESSORY LED SIGNAL IGNITION MODE SWITCH MODE VOLTAGE IGNITION MODE SWITCH SIGNAL 2 IGNITION MODE SWITCH START LED SIGNAL ILL LEFT REAR SIDE DOOR WINDOW REGULATOR MOTOR LOW REFERENCE MULTI-FUNCTION POWER SUPPLY CONVERTER ON/OFF VEHICLE SWITCH PASSENGER FRONT SEAT ADJUSTER SWITCH PASSENGER SEAT ADJUSTER MEMORY MODULE 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 STRT ENABLE RLY CTRL TO ENGINE WIRING HARNESS JUNCTION BLOCK (DIAGRAM 1 OF 8) VIO/GRN WIRE W/ MEMORY W/O MEMORY WAKEUP SIGNAL WHT WIRE YEL WIRE YEL/BLK 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

3.0L TURBO AUTOMATIC TRANSMISSION AUTOSTAR CAN BUS SERIAL DATA 2 (-) BATTERY BATTERY DISTRIBUTION FUSE BLOCK BATTERY MONITOR MODULE BLK WIRE BLU WIRE BLU/GRY WIRE COMPUTER DATA LINES SYSTEM ENGINE RESTART RELAY ENGINE WIRING HARNESS JUNCTION BLOCK ETRS OUT OF PARK SWITCH 2 SIGNAL ETRS OUT OF PARK SWITCH SIGNAL GRN WIRE HOT AT ALL TIMES NCA WIRE RED/YEL WIRE STARTER STARTER RELAY STOP/ START IND STOP/START SWITCH TRANSMISSION CONTROL MODULE TRANSMISSION PARK VALVE POSITION SWITCH TRANSMISSION SHAFT SPEED SNR CKT TRANSMISSIONS SYSTEM VEHICLE STABILITY CONTROL SYSTEM SWITCH VIO/WHT WIRE W/O WIRELESS CHARGER WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/VIO WIRE