Cadillac XT4 I (2018-2023) yel Wiring diagrams

2 WAY ACTIVE SAFETY BLK WIRE BLU WIRE BLU/VIO WIRE BLU/YEL WIRE DOWN DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT FRONT VERTICAL MOTOR DRIVER SEAT HORIZONTAL MOTOR DRIVER SEAT LUMBAR SUPPORT MOTOR DRIVER SEAT REAR VERTICAL MOTOR DRIVER SEAT RECLINE MOTOR GRN/BRN WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES RED/VIO WIRE RWD UNDERHOOD FUSE BLOCK VIO WIRE W/ OBSTACLE DETECTION ENHANCED SIDE W/O OBSTACLE DETECTION ENHANCED SIDE YEL WIRE YEL/BLU WIRE

BLK WIRE BLK/RED WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE GRN WIRE GRY WIRE GRY/ORG WIRE HEATED STEERING WHEEL IND HEATED STEERING WHEEL SWITCH HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT LEFT STEERING WHEEL CONTROLS SWITCH LOGIC ORG/ WIRE RED WIRE RIGHT STEERING WHEEL CONTROLS SWITCH SENS SIG SERIAL DATA BUS 19 STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATER STEERING WHEEL HEATING CONTROL MODULE SW LED CTRL SW SIG UNDERHOOD FUSE BLOCK VIO WIRE VOLT SIG WHL HI CTRL WHT WIRE YEL WIRE

AUXILIARY UNDERHOOD FUSE BLOCK BATTERY FUSE BLOCK BLK WIRE BODY CONTROL MODULE BRN WIRE BRN/WHT WIRE GRN WIRE GRY WIRE HORN RELAY HORN RLY CTRL HORN SW SIG HORN SWITCH HOT AT ALL TIMES LEFT HORN NCA WIRE RED WIRE RIGHT HORN STEERING WHEEL AIR BAG COIL UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE

BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY GMLAN SERIAL DATA GRN WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LGATE AJAR SW SIG 1 LICENSE PLATE LAMP LIFTGATE DOOR LOCK ACTUATOR LIFTGATE UNLATCH RELAY LIFTGATE UNLATCH SWITCH LIFTGLASS/RR COMPT LID MTR REL CTRL LOGIC LOW SPD GMLAN SERIAL DATA RED WIRE RED/WHT WIRE RR CLOSURE HNDL SW OPEN SIG UNDERHOOD FUSE BLOCK VIO/GRY WIRE WHT WIRE YEL WIRE YEL/BLU WIRE

ACCESSORY WAKEUP SERIAL DATA BLK WIRE BLK/WHT WIRE BLOWER MOTOR BLU WIRE BLU/BLK WIRE BODY CONTROL MODULE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER WINDOW SWITCH ENGINE CONTROL MODULE FROM INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 5 OF 7) FUEL PUMP DRIVER CONTROL MODULE GRN WIRE GRY WIRE HANDS-FREE LIFTGATE CONTROL MODULE HIGH SPEED GMLAN SERIAL DATA (+) 3 IGN MODE SW START LED SIG IGN MODE SWITCH MODE VOLT IGNITION MODE SWITCH INTERIOR KEYLESS ENTRY CONTROL MODULE LIFTGATE CONTROL MODULE LIGHTS SYSTEM PASSENGER WINDOW SWITCH PASSIVE START SW 2 LOW REF PASSIVE START SW SIG 2 POWER SUPPLY TRANSFORMER PUSH BUTTON START CHALLENGE ACTIVE SIG REAR DIFFERENTIAL CLUTCH CONTROL MODULE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RUN/CRANK IGN 1 VOLTAGE SPLY VOLTAGE 1 SPLY VOLTAGE 2 STARTER ENABLE RLY CTRL STARTER RELAY TO IGNITION MAIN RELAY (DIAGRAM 4 OF 7) TO INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 7 OF 7) VIO WIRE VIO/GRY WIRE VIO/YEL WIRE W/ MEMORY WHT WIRE YEL WIRE YEL/BLK WIRE YEL/VIO WIRE

BLK WIRE BODY CONTROL MODULE BRN WIRE CENTER CONSOLE ACCESSORY POWER RECEPTACLE CENTER CONSOLE COMPARTMENT ACCESSORY POWER RECEPTACLE CHARGE IND CTRL CIGARETTE LIGHTER RECEPTACLE DATA LINK CONNECTOR FAULT IND CTRL FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 7) GRN WIRE INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT PANEL MULTI- FUNCTION SWITCH KEYLESS ENTRY CONTROL MODULE MOBILE DEVICE WIRELESS CHARGER MODULE PASSENGER PRESENCE MODULE PWR FSD CTRL RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RETAINED ACCESSORY RETAINED ACCESSORY POWER RELAY SEAT HEATING SWITCH SERIAL DATA GATEWAY MODULE STEERING COLUMN LOCK MODULE USB RECEPTACLE VIO WIRE W/ CIGARETTE LIGHTER W/O CIGARETTE LIGHTER YEL WIRE

3/4 5 VOLT REF AJAR SW SIG 1 AJAR SW SIG 2 AJAR SW SIG 3 BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY FACE SW SIG GMLAN SERIAL DATA GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE HANDS-FREE CLOSURE RELEASE SENS SIG 1 HANDS-FREE CLOSURE RELEASE SENS LO REFR 1 HANDS-FREE CLOSURE RELEASE SENS SIG 2 HANDS-FREE CLOSURE RELEASE SENS LO REFR 2 HANDS-FREE LIFTGATE SENSOR CONTROL MODULE HOT AT ALL TIMES INSTRUMENT CLUSTER INTERIOR LIFTGATE CONTROL SWITCH LATCH MTR CLOSE CTRL LATCH MTR OPEN CTRL LEFT LIFTGATE OBJECT SENSOR LIFTGATE CLOSE SWITCH LIFTGATE CONTROL MODULE LIFTGATE LATCH ASSEMBLY LIFTGATE MOTOR ASSEMBLY (UNDER LEFT SIDE OF LIFTGATE) LIFTGATE UNLATCH SWITCH LOGIC LOW REF LOW SPEED GMLAN SERIAL DATA 2 LOWER HANDS-FREE LIFTGATE SENSOR MAX MTR CLOSE CTRL MTR OPEN CTRL MTR RELEASE CTRL 2 NCA WIRE NETWORK BUS 18 OBJ SENS SIG OFF ON/OFF SW SIG OPEN/CLOSE SW SIG POS SIG 1 POS SIG 2 REAR OPEN/ CLOSE SWITCH RED/BRN WIRE RED/VIO WIRE RED/WHT WIRE RIGHT LIFTGATE OBJECT SENSOR RR CLOSURE OPEN SW LED CTRL SW OPEN SIG UNDERHOOD FUSE BLOCK UPPER HANDS-FREE LIFTGATE SENSOR W/ HANDSFREE W/O HANDSFREE WHT WIRE WHT/BLK WIRE WHT/GRY WIRE YEL WIRE YEL/BLU WIRE

BATT POSITIVE VOLT BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU/RED WIRE BLU/WHT WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/YEL WIRE GRY WIRE HIGH HEAT IND HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT REAR BACK SEAT HEATING ELEMENT LEFT REAR CUSHION SEAT HEATING ELEMENT LEFT REAR CUSHION/ BACK SWITCH LOGIC LOW HEAT IND MED HEAT IND LR CUSHION NTC LO REF LR CUSHION NTC SIG LR HEATED SEAT CUSHION ELEMENT CTRL LR HEATED SEAT CUSHION ELEMENT LO REF LR SEAT BACK NTC SIG REAR SEAT HEATING CONTROL MODULE (UNDER LEFT REAR SEAT CUSHION) RED WIRE RED/GRY WIRE RED/YEL WIRE RIGHT REAR BACK SEAT HEATING ELEMENT RIGHT REAR CUSHION SEAT HEATING ELEMENT RIGHT REAR CUSHION/ BACK SWITCH RR CUSHION NTC LO REF RR CUSHION NTC SIG RR HEATED SEAT CUSHION ELEMENT CTRL RR HEATED SEAT ELEMENT LO REF RR SEAT BACK NTC LO REF RR SEAT BACK NTC SIG SEAT HEATING SWITCH SERIAL DATA BUS 2 WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

BATT POS VOLT BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLU WIRE BLU/VIO WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM DELAY SWITCH GRN/WHT WIRE GRY WIRE GRY/VIO WIRE HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LIN SERIAL DATA 1 RAIN SENSOR REAR WINDOW WASHER PUMP RELAY REAR WINDOW WASHER RLT CTRL REAR WINDOW WIPER SW SIG REAR WIPER RELAY REAR WIPER SWITCH RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE SIG GND UNDERHOOD FUSE BLOCK W/ MOISTURE SENSITIVE WINDSHIELD WIPER SYSTEM WASHER SWITCH WHT WIRE WHT/BLK WIRE WHT/VIO WIRE WINDSHIELD WASHER PUMP RELAY WINDSHIELD WASHER SW SIG WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY WINDSHIELD WIPER SW HIGH SIG WINDSHIELD WIPER SW LOW REF WINDSHIELD WIPER SW LOW SIG WINDSHIELD WIPER WIPER SW HIGH SIG WINDSHIELD WIPER/WASHER SWITCH WIPER SWITCH YEL WIRE YEL/BRN WIRE

AMBIENT AIR TEMPERATURE SENSOR BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BRN/BLU WIRE BRN/GRY WIRE ENGINE COOLANT TEMPERATURE SENSOR 2 ENGINE COOLANT TEMPERATURE SENSOR 3 ENGINE OIL TEMPERATURE SENSOR EVAPORATIVE EMISSION PURGE SOLENOID VALVE EVAPORATIVE EMISSION VENT SOLENOID VALVE FUEL TANK PRESSURE SENSOR GRN WIRE GRN/BLU WIRE RADIATOR COOLANT TEMPERATURE SENSOR RED/YEL WIRE RIGHT SIDE OF RADIATOR) TURBOCHARGER BYPASS SOLENOID VALVE VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE