Cadillac XT4 I (2018-2023) instrument cluster Wiring diagrams

5-VOLT REF 1 AUTO START/ STOP SWITCH AUTO START/STOP IND AUTO STOP START IND CTRL AUTO STOP START SWITCH SIG BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/RED WIRE BLU/VIO WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM DISPLAY LOGIC DRIVE MODE SELECT SWITCH DRIVER MODE SWITCH SIG ENGINE CONTROL MODULE ESA OFF SWITCH GMLAN SERIAL DATA - 1 GRN WIRE GRY WIRE GRY/GRN WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED ILL INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT TRANSMISSION MANUAL SHIFT SWITCH LO SPD GMLAN SERIAL DATA LOGIC MODE RED/BLU WIRE RED/YEL WIRE RIGHT TRANSMISSION MANUAL SHIFT SWITCH STEERING WHEEL AIR BAG COIL SYSTEM TAP UP/TAP DOWN SWITCH SIG TRACTION CTRL SWITCH SIG 1 TRANSMISSION RANGE SELECTOR CONTROLS TRANSMISSION SHIFT LEVER TRANSMISSION SHIFT LEVER POSITION INDICATOR UNDERHOOD FUSE BLOCK VIO/GRN WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/VIO WIRE YEL WIRE

ACTIVE SAFETY CONTROL MODULE (CARGO AREA, FRONT OF LEFT REAR WHEELWELL) BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY FRONT OBJECT SENS CTRL 1 FRONT OBJECT SENS CTRL 2 GRN WIRE GRN/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE HI SPD GMLAN SERIAL DATA (+) 4 HI SPD GMLAN SERIAL DATA (+) 8 HI SPD GMLAN SERIAL DATA (-) (2) HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH LANE DEPARTURE WARNING DISABLE SW SIG LANE DEPARTURE WARNING IND CTRL LANE KEEPING ASSIST IND LANE KEEPING ASSIST SWITCH LEFT FRONT SHORT RANGE RADAR SENSOR MODULE LOGIC LONG RANGE RADAR SENSOR MODULE (BEHIND LEFT CENTER OF FRONT FASCIA) LOW SPD GMLAN SERIAL DATA PARKING ASSIST IND PARKING ASSIST SWITCH REAR PARK ASSIST LED DISABLE SIG REAR SHORT RANGE RADAR SENSOR MODULE RED/GRN WIRE RIGHT FRONT SHORT RANGE RADAR SENSOR MODULE RR PARK ASSIST DISABLE SIG SERIAL DATA COMM ENABLE SIG GND WHT WIRE WHT/BLU WIRE WHT/GRY 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

ACC IGN VOLT ACTIVE SIG ANT 1 SIG HI ANT 1 SIG LO ANT 2 SIG HI ANT 2 SIG LO ANT 3 SIG HI ANT 3 SIG LO ANT SIG HI ANT SIG LO BATT POSITIVE VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/YEL WIRE CENTER CONSOLE FRONT KEYLESS ENTRY ANTENNA CENTER CONSOLE REAR KEYLESS ENTRY ANTENNA COMPUTER DATA LINES SYSTEM DOOR AJAR IND DRIVER INFORMATION CENTER DISPLAY DRV DR ANT SIG HI DRV DR ANT SIG LO DRV DR HANDLE SW SIG DRV DR OPEN SW SIG GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE HANDS-FREE LIFTGATE SENSOR LAMP HANDSFREE PROJECTION LAMP CTRL HOT AT ALL TIMES IGNITION MODE SWITCH INSTRUMENT CLUSTER KEYLESS ENTRY CONTROL MODULE LEFT REAR EXTERIOR DOOR HANDLE ASSEMBLY LEFT REAR EXTERIOR DOOR HANDLE COURTESY LAMP LEFT REAR EXTERIOR DOOR HANDLE SWITCH LO SPD GMLAN SERIAL DATA LO SPD GMLAN SERIAL DATA 2 LOGIC LR DR HANDLE SW SIG PASS DR ANT SIG HI PASS DR ANT SIG LO PASS DR HANDLE SW SIG PASSIVE START SW 2 LO REF PASSIVE START SW SIG 2 POWER DISTRIBUTION SYSTEM RAP RLY 2 COIL CTRL REAR COMPARTMENT KEYLESS ENTRY ANTENNA REAR FASCIA KEYLESS ENTRY ANTENNA RED WIRE RED/WHT WIRE RIGHT REAR EXTERIOR DOOR HANDLE ASSEMBLY RIGHT REAR EXTERIOR DOOR HANDLE COURTESY LAMP RIGHT REAR EXTERIOR DOOR HANDLE SWITCH RR DR HANDLE SW SIG RUN/CRANK IGN 1 VOLT STRG CLMN LK SIG UNDERHOOD FUSE BLOCK VIO WIRE VIO/GRY WIRE WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/GRY WIRE

AUXILIARY AUDIO INPUT BLK WIRE BLK/WHT WIRE BLOWER MOTOR BODY CONTROL MODULE CENTER CONSOLE ACCESSORY POWER RECEPTACLE CENTER CONSOLE COMPARTMENT ACCESSORY POWER RECEPTACLE CIGARETTE LIGHTER RECEPTACLE COLLISION ALERT INDICATORS DATA LINK CONNECTOR DRIVE MODE SELECT SWITCH HVAC CONTROL MODULE IGNITION MODE SWITCH INFOTAINMENT CONTROL SWITCH INSTRUMENT CLUSTER INSTRUMENT PANEL COMPARTMENT LAMP INSTRUMENT PANEL DIMMER SWITCH MOBILE DEVICE WIRELESS CHARGER MODULE NCA WIRE RIGHT INSTRUMENT PANEL ACCENT LAMP RIGHT INSTRUMENT PANEL COURTESY LAMP SEAT HEATING SWITCH SERIAL DATA GATEWAY MODULE TRANSMISSION RANGE SELECTOR CONTROLS TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK USB RECEPTACLE W/ INTERIOR LAMP PACKAGE W/ MANUAL LIFTGATE WINDSHIELD WIPER MOTOR WINDSHIELD WIPER SPEED CONTROL RELAY

BATT POS VOLT BLK/GRN WIRE BLK/WHT WIRE BRIGHTNESS GRN/BLK WIRE GY LVDS HEAD UP DISPLAY SIG HEAD-UP DISPLAY HEAD-UP DISPLAY SW LOW REF HEAD-UP DISPLAY SW SIG HEAD-UP DISPLAY SWITCH HOT AT ALL TIMES HUD INFO INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LIN SERIAL DATA BUS 12 LOGIC LVDS RED/BLU WIRE YEL/WHT WIRE

"CHECK ENGINE" IND CTRL ABS IND. ADAPTIVE CRUISE IND AIR BAG IND AIR CONDITIONING IND AUTO HIGH BEAM IND AUTO STOP IND BATT POSITIVE VOLT BLK/WHT WIRE BLU/GRN WIRE BRAKE IND BRAKE WARNING IND BRN WIRE BRN/BLU WIRE BRN/WHT WIRE CHARGE IND COMPUTER DATA LINES SYSTEM CRUISE IND DAY NIGHT LED CTRL DRIVER INFORMATION CENTER DISPLAY ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND ENGINE OIL LEVEL GAUGE IND ENGINE OIL PRESSURE IND ESC IND ESC OFF IND ETHERNET BUS 7 (-) FORWARD COLLISION ALERT LED CTRL FUEL GAUGE GRN/BLK WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE HEAD-UP DISPLAY CIRCUIT HEAD-UP DISPLAY SIG HI GMLAN SER DATA (+) 7 HI GMLAN SER DATA (+) 9 HIGH BEAM ASSIST IND HIGH BEAM LAMP IND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LANE KEEP ASSIST IND LEFT TURN IND LIGHTS ON IND LIN SER DATA BUS 12 LOGIC LOW FUEL IND LOW SPD GMLAN SER DATA 2 LOW WASHER FLUID IND CTRL LVDS GY MALFUNCTION IND NAVIGATION SYSTEM PARK BRAKE IND PARK LAMP IND PEDESTRIAN AHEAD IND POWER STEERING WARNING LIGHT IND REAR FOG LAMP IND RED/BLU WIRE RIGHT TURN IND RUN/CRANK IGN 1 VOLT SEAT BELT 2 IND SEAT BELT IND SECURITY IND SERVICE PARK BRAKE IND SNOW IND SPEEDOMETER TACHOMETER TIRE PRESSURE IND TRACTION CTRL OFF IND UNDERHOOD FUSE BLOCK VEHICLE AHEAD IND VIO WIRE VIO/GRY WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WIPER/WASHER SYSTEM

BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/RED WIRE COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR LOCK SWITCH DRIVER SEAT MEMORY CONTROL MODULE DRIVER SEAT MEMORY SWITCH DRIVER WINDOW SWITCH GRN/YEL WIRE GRY WIRE GRY/GRN WIRE GRY/ORG WIRE HEATED STEERING WHEEL IND INFO DISPLAY MODULE INSTRUMENT CLUSTER INTERIOR LIFTGATE CONTROL SWITCH LED CTRL LEFT STEERING WHEEL CONTROLS SWITCH LIN SERIAL DATA BUS 12 LOGIC LOW REF LOW SPEED GMLAN SERIAL DATA 2 NCA WIRE PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR LOCK SWITCH PASSENGER WINDOW SWITCH PNK WIRE RIGHT STEERING WHEEL CONTROLS SWITCH STEERING WHEEL HEATING CONTROL MODULE VIO WIRE W/ POWER LIFTGATE W/O POWER LIFTGATE WHT WIRE WHT/VIO WIRE YEL WIRE

BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BRAKE SYSTEM CONTROL MODULE COMPUTER COMPUTER DATA LINES SYSTEM DATA LINES DRIVER INFORMATION CENTER DISPLAY GRN/VIO WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BLK WIRE HI SPD GMLAN SER DATA (-) 9 HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT PARK BRAKE ACTUATOR LOCAL INTERCONNECT NETWORK BUS 31 LOGIC LR PARK BRAKE MOTOR APPLY CTRL LR PARK BRAKE MOTOR LOW REF PARK BRAKE SWITCH PARKING BRAKE IND. RED/VIO WIRE RED/YEL WIRE RIGHT PARK BRAKE ACTUATOR RR PARK BRAKE MOTOR APPLY CTRL RR PARK BRAKE MOTOR LOW REF SERVICE PARK BRAKE IND SIG GND SYSTEM UNDERHOOD FUSE BLOCK VIO WIRE VIO/GRY WIRE WHT WIRE WHT/GRN WIRE

BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOOD AJAR SWITCH HOOD OPEN SW SIG HOOD STATUS B SIG HOT AT ALL TIMES IMMOBILIZER CONTROL MODULE IMMOBILIZER CTRL IMMOBILIZER LOW REF INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LO SPD GMLAN SERIAL DATA LOGIC NETWORK BUS 11 PPL RED/WHT WIRE SECURITY IND WHT WIRE YEL WIRE