Cadillac XT4 I (2018-2023) brn/gry Wiring diagrams

A/C COMPRESSOR CLTH RLY CTRL A/C REFRIGERANT PRESS SENS SIG A/C REFRIGERANT PRESSURE SENSOR AMBIENT AIR TEMPERATURE SENSOR 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/RED WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM COOLANT DIVERTER VALVE ACTR CTRL HI COOLANT DIVERTER VALVE ACTR CTRL LO COOLANT DIVERTER VALVE POSI SIG COOLING TEMP SNS 2 SIG ENG CTRL SENSS 5 VOLT REF (1) ENG CTRL SENSS 5 VOLT REF (2) ENG CTRL SENSS 5 VOLT REF (3) ENG CTRL SENSS LOW REF (1) ENG CTRL SENSS LOW REF (2) ENGINE CONTROL MODULE (ENGINE COMPT, RIGHT SIDE OF BATTERY) ENGINE COOLANT BYPASS VALVE ENGINE COOLANT FLOW CONTROL VALVE ENGINE COOLANT TEMPERATURE SENSOR 3 ENGINE COOLANT TEMPERATURE SENSOR 4 GRN WIRE GRN/BLK WIRE HEATER CORE INLET TEMP SIG HEATER CORE OUTLET TEMP SIG HI SPEED GMLAN SERIAL DATA (+) 1 OUTSIDE AMBIENT AIR TEMPERATURE SENS SIG HI SPEED GMLAN SERIAL DATA (-) 1 HOT W/ IGNITION MAIN RELAY ENERGIZED LOGIC RADIATOR COOLANT TEMPERATURE SENSOR RIGHT SIDE OF RADIATOR) RUN/CRANK IGNITION 1 VOLTAGE SIG GND UNDERHOOD FUSE BLOCK VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE WHT WIRE WHT/GRY WIRE WHT/RED WIRE YEL/BLK WIRE

ACC IGN VOLT ACC WAKEUP SERIAL DATA ACCELERATE SW SIG AIR CONDITIONING SYSTEM ANTI-THEFT SYSTEM BACKUP LP CTRL BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/VIO WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/YEL WIRE CHARGE INDICATOR CTRL COMMUNICATION ENABLE COMPUTER DATA LINES SYSTEM COURTESY LP SW SIG CRUISE CONTROL SYSTEM DOOR LK ACTUATOR CTRL 2 DOOR LK ACTUATOR LK CTRL DOOR LK ACTUATOR UNLK CTRL DOOR LOCKS, ANTI-THEFT SYSTEMS DRIVER DOOR LOCK SW LOCK SIG DRIVER DOOR LOCK SW UNLOCK SIG ENGINE START/STOP SWITCH EXTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM FUEL DOOR LOCK RELAY CTRL GAP UP/DOWN SW SIG SET/COAST/RESUME/ GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/YEL WIRE HAZ SW LH TURN SIG HAZ SW RH TURN SIG HDLP DIMMER SW HI BEAM SIG HDLP SW FLASH TO PASS SIG HEADLIGHTS SYSTEM HI SPD GMLAN SERIAL DATA (-) (1) HOOD STATUS B SIG PUSH BUTTON START CHALLENGE ACTIVE SIG HORN SW SIG HORNS SYSTEM IGNITION MODE SWITCH IMMOBILIZER CTRL IMMOBILIZER LOW REF INADVERTENT PWR CTRL IND INTERIOR LP CTRL LED AMBIENT LIGHTING CTRL 1 LED BACKLIGHT DIMMING CTRL LEFT HDLP BULB OUTAGE REAR CLOSURE HANDLE SW OPEN SIG LF DRL CTRL LIFT GLASS/RR COMPT LID MTR REL CTRL LH HDLP LOW BEAM RLY CTRL LH PARK LP CTRL LIFT GATE AJAR SWITCH SIG (1) LIN SERIAL DATA BUS 1 LIN SERIAL DATA BUS 11 LIN SERIAL DATA BUS 15 LIN SERIAL DATA BUS 2 LIN SERIAL DATA BUS 3 MIRROR PUDDLE LAMP CTRL PASS DOOR LK SW UNLK CTRL PASSENGER DOOR LOCK SW LOCK CTRL POWER DISTRIBUTION SYSTEM REAR COMPT LID LP 2 CTRL REAR LICENSE LP CTRL REAR TURN LP FEEDBACK SIG REAR WIPER MTR RLY COIL CTRL RED WIRE RED/WHT WIRE RF TURN SIG LP CTRL RH HDLP LOW BEAM RLY CTRL RH PARK LP CTRL RIGHT HDLP BULB OUTAGE RR STOP LP CTRL RR TURN LP FEEDBACK SIG RR TURN SIG LP CTRL RUN/CRANK IGN 1 VOLT RUN/CRANK RLY COIL CTRL WINDSHIELD WIPER MTR RLY COIL CTRL SEATS SYSTEM SECURITY LOCK RELAY CONTROL SIGNAL GROUND STARTING/CHARGING SYSTEM STOP LP RLY COIL CTRL TAP UP/TAP DOWN SW SIG TRANSMISSIONS SYSTEM TRANSMISSIONS, CRUISE CONTROL SYSTEM VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/VIO WIRE WHT/YEL WIRE WINDSHIELD WASHER SW SIG WINDSHIELD WIPER MTR PARK SW SIG BLOWER SPD FEEDBACK SIG WIPER SW HI SIG WIPER SW LOW REF WIPER SW LOW SIG WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/GRN WIRE

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 BRN/BLU WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM COOLANT DIVERTER VALVE ACTR CTRL HI COOLANT DIVERTER VALVE ACTR CTRL LO COOLANT DIVERTER VALVE POSI SIG DRIVER INFORMATION CENTER DISPLAY ENG CTRL SENSS 5 VOLT REF (2) ENG CTRL SENSS LOW REF (1) ENG CTRL SENSS LOW REF (2) ENGINE CONTROL MODULE (ENGINE COMPT, RIGHT SIDE OF BATTERY) ENGINE COOLANT BYPASS VALVE ENGINE COOLANT COOLANT FLOW CONTROL VALVE ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND ETHER NET BUS 7(+) ETHER NET BUS 7(-) GND GRN/BLK WIRE GRY/BLU WIRE HEATER CORE OUTLET TEMP SIG HI SPEED GMLAN SERIAL DATA (-) 1 HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED IGN INSTRUMENT CLUSTER LOGIC LOW REF RUN/CRANK IGNITION 1 VOLTAGE SENSOR 2 SIG SIG GND TEMP SIG UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE WHT WIRE WHT/RED WIRE YEL/BLK WIRE

BLK WIRE BLK/GRY WIRE BLK/YEL WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM COOLING FAN MOTOR ENGINE CONTROLS SYSTEM ENGINE COOLANT PUMP ENGINE COOLANT TEMPERATURE SENSOR 3 ENGINE COOLANT TEMPERATURE SENSOR 4 GRN/BLK WIRE HOT AT ALL TIMES LOGIC RADIATOR COOLANT TEMPERATURE SENSOR RED/BLU WIRE RED/BRN WIRE RIGHT SIDE OF RADIATOR) UNDERHOOD AUXILIARY FUSE BLOCK WHT WIRE YEL/BLK WIRE

BATT POSITIVE VOLT BLK WIRE BLK/BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/YEL WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM DOWN DOWN SW SIG DRIVER SEAT MEMORY CONTROL MODULE DRIVER SEAT MEMORY SWITCH FORWARD SW SIG GRN WIRE GRN/BRN WIRE GRN/WHT WIRE GRY/VIO WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LIN SERIAL DATA BUS 8 LOW SPEED GMLAN SERIAL DATA MEM SEAT SW SET SIG MEM SEAT SW SIG (1) MEM SW LOW REF MTR FORWARD CTRL MTR REARWARD CTRL POWER DISTRIBUTION SYSTEM REARWARD SW SIG RED/BLU WIRE RWD SET- STEERING COLUMN POSITION CONTROL MODULE STEERING COLUMN TELESCOPE MOTOR STEERING COLUMN TILT MOTOR STEERING COLUMN TILT, TELESCOPE SWITCH TELESCOPE MTR LOW REF TELESCOPE MTR SIG TILT MTR DOWN CTRL TILT MTR LOW REF TILT MTR SIG TILT MTR UP CTRL UNDERHOOD FUSE BLOCK UP SW SIG VIO/GRY WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE

BATT POSITIVE VOLT BLK WIRE BLU/BLK WIRE BLU/YEL WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM DOWN DOWN SW SIG FORWARD SW SIG GRN/BRN WIRE GRN/WHT WIRE GRY/VIO WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LIN SERIAL DATA BUS 8 MTR FORWARD CTRL MTR REARWARD CTRL REARWARD SW SIG RED/BLU WIRE RWD STEERING COLUMN POSITION CONTROL MODULE STEERING COLUMN TELESCOPE MOTOR STEERING COLUMN TILT MOTOR STEERING COLUMN TILT, TELESCOPE SWITCH TELESCOPE MTR LOW REF TELESCOPE MTR SIG TILT MTR DOWN CTRL TILT MTR LOW REF TILT MTR SIG TILT MTR UP CTRL UP SW SIG VIO/GRY WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/BRN 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

5-VOLT REF 1 5-VOLT REF 2 AUTO STOP START IND CTRL AUTO STOP START SW SIG BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE APLY SENS BRAKE APLY SENS CRTL BRAKE APLY SENS SIG BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/WHT WIRE COLLECTOR SIG COMPUTER DATA LINES SYSTEM COOLANT DIVERTER VALVE COOLANT TEMP SENS 2 SIG COOLING FANS SYSTEM CURR ADJUST SIG CURR PUMP SIG DRIVER MODE SW SIG ENGINE BLOCK COOLANT ENGINE CONTROL MODULE (ENGINE COMPT, RIGHT SIDE OF BATTERY) ENGINE CONTROL SENS ENGINE COOLANT TEMPERATURE SENSOR 1 ENGINE COOLANT TEMPERATURE SENSOR 4 ENGINE COOLANT TEMPERATURE SENSOR 5 ENGINE COOLANT TEMPERATURE SENSOR 6 ENGINE CTRL SENS LO REF (3) ENGINE OIL LEVEL SWITCH ENGINE OIL PRESSURE SENSOR EVAPORATIVE PURGE FUEL RAIL PRESS SENS SIG FUSED SUPLY 5 GRN WIRE GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/VIO WIRE GRY/WHT WIRE HEATED OXYGEN SENS HEATED OXYGEN SENS GND HEATED OXYGEN SENS HEATER HEATED OXYGEN SENSOR 1 HEATER CORE INLET HI SPD GMLAN LO CTRL BANK 1 SENS (1) LO REF LO REF 2 MOTOR FEEDBACK SIG NCA WIRE OIL LEVEL SENS LO REF OIL PRESS SENS SIG OIL TEMP SENS SIG POSITION SIG POWERTRAIN MAIN RLY POWERTRAIN SENS BUS ENABLE PUMP PRESS SIG SENS SIG BANK (1) SERIAL DATA (-) (1) SERIAL DATA BUS 21 SERIAL DATA BUS 22 SIG GND TEMP SIG TEMPERATURE SIG TRACTION CTRL SW SIG 1 TURBO CHARGER WASTEGATE TURBO INTAKE PRESS VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/WHT 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