Cadillac XT4 I (2018-2023) instrument panel fuse block Wiring diagrams

ACCESSORY WAKEUP SERIAL DATA AUTOMATIC TRANSMISSION ACCUMULATOR SOLENOID VALVE BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CLUTCH A CTRL CLUTCH B CTRL CLUTCH C CTRL CLUTCH D CTRL CLUTCH E CTRL CLUTCH F CONTROL COMPUTER DATA LINES SYSTEM ETRS OUT OF PARK SWITCH 2 SIG ETRS OUT OF PARK SWITCH SIG ETRS SWITCH ANALOG SIG 1 ETRS SWITCH ANALOG SIGNAL 2 GRN/GRY WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IN SPD SIG INSTRUMENT PANEL FUSE BLOCK LOCAL INTERCONNECT NETWORK 1 SERIAL DATA BUS 21 OUT SPD SIG RED/GRN WIRE RUN/CRANK IGNITION 1 VOLT SIGNAL GROUND SURGE ACCUMULATOR SOLENOID LOW SIDE CTRL TCC ON/OFF SOLENOID A CTRL TCC ON/OFF SOLENOID B CTRL TRANS CLUTCH G CTRL TRANS CLUTCH H CTRL TRANS HI SIDE DRIVER 1 SIG DRIVER TRANS HI SIDE DRIVER 2 SIG TRANS INTERMEDIATE SPD SIG TRANS OIL LEVEL SENS SIG TRANS OIL TEMP SENS LO REF TRANS OIL TEMP SENS SIG TRANSMISSION CONTROL MODULE (ON TOP FRONT OF TRANSMISSION) TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSION INPUT/ INTERMEDIATE SHAFT SPEED SENSOR TRANSMISSION INTERMEDIATE SHAFT SPEED SENSOR UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

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

BATT POSITIVE VOLT BLK WIRE BLU WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) COMPUTER DATA LINES SYSTEM COURTESY LP SW SIG FRONT OVERHEAD CONSOLE ASSEMBLY GRN WIRE GRN/GRY WIRE GRY WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES INADVERTENT PWR CTRL INSTRUMENT PANEL FUSE BLOCK INTR LP CTRL INTR LP DEFEAT SW SIG LED AMBIENT LIGHTING CTRL 1 LED AMBIENT LIGHTING CTRL 2 LEFT REAR COMPARTMENT COURTESY LAMP LOGIC OFF REAR COMPARTMENT LID LP 2 CTRL RED/YEL WIRE RIGHT REAR COMPARTMENT COURTESY LAMP VIO/GRN WIRE WHT WIRE WHT/BRN WIRE WHT/YEL WIRE

BLK WIRE BLU WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/GRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DATA BUS 3 DATA BUS 4 DRIVER DOOR LATCH ASSEMBLY (W/ ELECTRICAL STEERING COLUMN LOCK) DRIVER WINDOW SWITCH ENGINE CONTROL MODULE FUEL FILL DOOR LOCK ACTUATOR GRN WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE HOOD AJAR SWITCH HOOD OPEN HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT REAR DOOR LATCH ASSEMBLY LF DR AJAR SW SIG LOGIC LOGIC DRIVER WINDOW MOTOR PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW MOTOR PPL RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RF DR AJAR RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RR DR AJAR SERIAL DATA (-) (1) STATUS SIG SW SIG UNLOCK SIG VIO WIRE W/ REMOTE CONTROL FUEL FILLER DOOR LOCK WHT WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE

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

"CHECK ENGINE" IND CTRL AJAR SW SIG AMBIENT AIR TEMPERATURE SENSOR BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BRAKE FLUID LEVEL SENS SIG BRAKE FLUID LEVEL SWITCH BRAKE SYSTEM CONTROL MODULE BRN/BLU WIRE BRN/WHT WIRE BUS 3 COMPUTER DATA LINES SYSTEM DATA DATA BUS 4 DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR LOGIC ENGINE CONTROL MODULE ENGINE CTRL SENS 5 VOLT REF 1 ENGINE CTRL SENS LO REF (3) ENGINE CTRL SENS LO REF 1 ENGINE OIL LEVEL SWITCH ENGINE OIL PRESSURE SENSOR ENGINE OIL TEMPERATURE SENSOR FUEL LEVEL SENSOR FUEL PUMP DRIVER CONTROL MODULE FUEL PUMP, LEVEL SENSOR ASSEMBLY GRN/GRY WIRE GRN/YEL WIRE GRY WIRE HI SPD GMLAN SERIAL DATA (-) (1) HIGH SPD GMLAN SERIAL DATA (+) 1 HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LOGIC LF DR AJAR LIN BUS 31 LOGIC LOW REF LOW REF 2 OIL LEVEL SENS LO REF OIL PRESSURE SENS SIG OIL TEMP SENS SIG OUTSIDE AMBIENT AIR TEMPERATURE SENS SIG PARK BRAKE SWITCH PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW MOTOR LOGIC PRIMARY FUEL LEVEL SENSOR RED/VIO WIRE RF DR AJAR RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH LOGIC SECONDARY FUEL LEVEL SENSOR SENSOR SIGNAL SERIAL DATA (-) 7 SW SIG VIO WIRE WHT WIRE YEL/BRN WIRE

AUTO STOP START INDICATOR CTRL AUXILIARY AUDIO INPUT BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) CIGARETTE LIGHTER RECEPTACLE COMPUTER DATA LINES SYSTEM DIMMER SW LOW REF DIMMER SW SIG DOME LP OFF INDICATOR CTRL DRIVE MODE SELECT SWITCH GRN WIRE GRN/GRY WIRE GRY WIRE GRY/GRN WIRE HEAD HEAD-UP DISPLAY SWITCH HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HVAC CONTROLS IGNITION MODE SWITCH INDICATOR DIMMING CTRL INSTRUMENT PANEL DIMMER SWITCH INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH LED BACKLIGHT DIMMING CTRL LEFT REAR WINDOW SWITCH LOGIC PARK AUTO OFF PARK LP SIG RED/YEL WIRE RIGHT REAR WINDOW SWITCH TURN SIGNAL/ MULTI-FUNCTION SWITCH USB RECEPTACLE (W/ MANUAL LIFT GATE) W/ ASHTRAY CIGARETTE LIGHTER WHT WIRE YEL 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