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

BATTERY POSITIVE VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY GMLAN SER DATA (-) (2) GMLAN SER DATA - (1) GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT FRONT SHOCK ABSORBER ACTUATOR LEFT FRONT SUSPENSION POSITION SENSOR LEFT REAR SHOCK ABSORBER ACTUATOR LEFT REAR SUSPENSION POSITION SENSOR LF DAMPING SERVO CTRL LF STRUT POSI SENS LOW REF LF STRUT POSI SENS SIG LOGIC LOW SPEED GMLAN SERIAL DATA 2 LR DAMPING SERVO CTRL LR STRUT POSI SENS LOW REF LR STRUT POSI SENS SIG NCA WIRE RED/YEL WIRE RF DAMPING SERVO CTRL RF STRUT POSI SENS LOW REF RF STRUT POSI SENS SIG RIGHT FRONT SHOCK ABSORBER ACTUATOR RIGHT FRONT SUSPENSION POSITION SENSOR RIGHT REAR SHOCK ABSORBER ACTUATOR RR DAMP SERVO CTRL SERIAL DATA COMM ENABLE SUSPENSION CONTROL MODULE UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLU WIRE YEL/RED WIRE YEL/WHT 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

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 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

BLK WIRE BLU WIRE BLU/VIO WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY GRY/GRN WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IND CTRL INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LOGIC LOW SPEED GMLAN SER DATA REAR WINDOW WASHER PUMP REAR WIPER MOTOR RED/BRN WIRE RED/VIO WIRE UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE WHT WIRE WINDSHIELD WASHER FLUID LEVEL SWITCH WINDSHIELD WASHER PUMP WINDSHIELD WIPER MOTOR YEL/BRN WIRE

BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM DATA (-) 7 EVAP SOL CTRL EVAPORATIVE EMISSION PURGE PUMP FUEL PUMP CTRL FUEL PUMP DRIVER CONTROL MODULE FUEL TANK VAPOR GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRY WIRE HI SPD GMLAN HOT AT ALL TIMES LOGIC PRESS SENS LO REF PRIMARY RLY CTRL PRIMARY SENS SIG RED/VIO WIRE RED/YEL WIRE RUN/CRANK IGN 1 SEC SENS SIG SENS 2 LO REF SENS BUS ENABLE SENS LO REF SENS SIG SERIAL SERIAL DATA (-) 7 SHIELD GND UNDERHOOD FUSE BLOCK VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE VOLT PHASE 2 VOLT PHASE 3 WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED WIRE YEL/WHT WIRE

ACCELERATOR PEDAL POSITION SENSOR ACTIVE GRILLE AIR SHUTTER ACTUATOR (FRONT CENTER OF ENGINE COMPT, NEAR GRILLE) BATTERY FUSE BLOCK BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROLS IGNITION RELAY FUEL FUEL LEVEL FUEL PUMP FUEL PUMP, LEVEL SENSOR ASSEMBLY (IN FUEL TANK) GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LOGIC PRIMARY FUEL LEVEL SENSOR RED/WHT WIRE RED/YEL WIRE SECONDARY FUEL LEVEL SENSOR UNDERHOOD AUXILIARY FUSE BLOCK UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY 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/GRN WIRE YEL/GRY WIRE YEL/WHT WIRE