Cadillac XT4 I (2018-2023) blu/wht Wiring diagrams

AIR QUALITY SENSOR SIGNAL AMBIENT LIGHT/SUNLOAD SENSOR (TOP CENTER OF DASH) BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLOWER MOTOR BLOWER MOTOR SPEED CTRL BLOWER SPEED FEEDBACK SIG BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BRN WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS ELECTRIC VARIABLE DISPLACEMENT CTRL ELECTRIC VARIABLE DISPLACEMENT SUPPLY ENGINE COOLANT PUMP GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BLU WIRE GRY/GRN WIRE HEADLIGHTS SYSTEM HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED HUMIDITY SENSOR SIGNAL HUMIDITY TEMPERATURE SENSOR SIGNAL HUMIDITY/WINDSCREEN TEMP SENSOR LOW REFERENCE HVAC CONTROL MODULE (BEHIND CENTER OF DASH) INSIDE AIR TEMPERATURE SENSOR SIGNAL LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 19 LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 9 LOGIC LOGIC WINDSHIELD TEMPERATURE, INSIDE MOISTURE SENSOR LOW SPEED GMLAN SERIAL DATA REAR DEFOG RELAY CTRL RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/PPL WIRE RED/VIO WIRE RED/WHT WIRE RUN/CRANK IGNITION 1 VOLTAGE SIGNAL GROUND SOLAR SENSOR LOW REFERENCE SPEED CTRL TWILIGHT SENTINEL DELAY SIGNAL UNDERHOOD AUXILIARY FUSE BLOCK UNDERHOOD FUSE BLOCK VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WINDSCREEN TEMP SENSOR SIGNAL YEL WIRE YEL/BLU WIRE YEL/RED WIRE YEL/VIO WIRE

BLK WIRE BLK/BRN WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CENTER HIGH MOUNTED STOP LAMP CENTER HIGH MOUNTED STOP LAMP RADIO AM ANTENNA SIGNAL FILTER MODULE DRIVER OUTSIDE REAR- VIEW MIRROR GRN/VIO WIRE GRY/BRN WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM LEFT CORNERING LAMP LEFT FRONT INNER TURN SIGNAL LAMP LEFT FRONT OUTER TURN SIGNAL LAMP LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP MULTI-FUNCTION LED LEFT HEADLAMP/ CORNERING LAMP CONTROL MODULE LEFT PARK DAYTIME RUNNING LAMP LEFT TURN SIGNAL REPEATER LAMP NCA WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE W/ LED W/ FRONT CORNERING LAMP W/O LED WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/VIO WIRE WHT/YEL WIRE YEL/GRY WIRE YEL/WHT 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

2 WAY BLK WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE DOWN GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES PASSENGER SEAT ADJUSTER SWITCH PASSENGER SEAT HORIZONTAL MOTOR PASSENGER SEAT LUMBAR SUPPORT MOTOR PASSENGER SEAT REAR VERTICAL MOTOR PASSENGER SEAT RECLINE MOTOR RED/GRY WIRE RWD UNDERHOOD FUSE BLOCK VIO WIRE W/ HEATED SEATS W/O HEATED SEATS YEL/BLU WIRE YEL/WHT WIRE

BATT POSITIVE VOLT BLK WIRE BLK/BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER SEAT MEMORY SWITCH FRONT VERTICAL MTR DOWN CTRL FRONT VERTICAL MTR UP CTRL GMLAN SERIAL DATA GRN WIRE GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE HORIZONTAL MTR FORWARD CTRL HORIZONTAL MTR REARWARD CTRL HOT AT ALL TIMES LOGIC PASSENGER SEAT ADJUSTER SWITCH PASSENGER SEAT FRONT VERTICAL MOTOR PASSENGER SEAT HORIZONTAL MOTOR PASSENGER SEAT MEMORY CONTROL MODULE PASSENGER SEAT REAR VERTICAL MOTOR REAR VERTICAL MTR DOWN CTRL REAR VERTICAL MTR UP CTRL RECLINE MTR FORWARD CTRL RECLINE MTR REARWARD CTRL RED/BLU WIRE RED/GRY WIRE SERIAL DATA BUS 16 SET- UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE YEL/BLU WIRE YEL/WHT WIRE

ACC IGN VOLT ACTIVE SIG ACTR CTRL ACTR RECEIVE ACTR TRANSMIT AMBIENT LIGHT/SUNLOAD SENSOR BATT POS VOLT BLK WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) BRN WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DR LK ACTR LK CTRL DR LK ACTR UNLK CTRL DR LK ACTR UNLK CTRL 2 DRIVER DOOR LOCK SWITCH DRV DR LK SW LK SIG DRV DR LK SW UNLK SIG FUEL DR LK RLY CTRL GND STEERING COLUMN LK STATUS SIGNAL GRN WIRE GRN/BLU WIRE GRN/VIO WIRE GRY WIRE GRY/WHT WIRE HOOD STATUS B SIG HOT AT ALL TIMES HVAC CONTROL MODULE IGN MODE SW START LED SIG LO REF LO SPD GMLAN SERIAL DATA LOGIC NETWORK BUS 2 PASS DR LK SW LK CTRL PASS DR LK SW UNLK CTRL PASSENGER DOOR LOCK SWITCH POWER SOUNDER CONTENT THEFT DETERRENT ALARM MODULE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER REMOTE FUNCTION ACTR CTRL REMOTE FUNCTION ACTR RECEIVE SIG REMOTE FUNCTION ACTR TRANSMIT SIG RUN/CRANK IGN 1 VOLT SECURITY IND CTRL SIG SOLAR SENS STEERING COLUMN LOCK MODULE UNDERHOOD FUSE BLOCK VIO WIRE WHT WIRE WHT/VIO WIRE YEL WIRE YEL/GRN WIRE YEL/VIO 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

AUXILIARY UNDERHOOD FUSE BLOCK BATTERY FUSE BLOCK BATTERY POSITIVE VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) COMPUTER DATA LINES SYSTEM DATA 1 (+) GRN/VIO WIRE GRY/BRN WIRE HI SPD GMLAN SER HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT TRAILER LEFT TRAILER STOP/TURN SIGNAL LAMP RELAY NCA WIRE PARK LP RLY CTRL RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT TRAILER RIGHT TRAILER STOP/TURN SIGNAL LAMP RELAY SIG GND TRAILER CONNECTOR TRAILER PARK LAMPS RELAY TURN SIG LP CTRL UNDERHOOD FUSE BLOCK WHT WIRE YEL/GRY 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