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

AUTO LEVEL CTRL AUTO LEVEL CTRL POS SENS LOW REF AUTO LEVEL CTRL POS SENS SIG AUXILIARY UNDERHOOD FUSE BLOCK BATTERY FUSE BLOCK BATTERY POSITIVE VOLTAGE BEAM RLY CTRL BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BODY CONTROL MODULE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CAN BUS HIGH 3 SERIAL DATA CAN BUS HIGH SERIAL DATA CAN BUS LOW 3 SERIAL DATA CAN BUS LOW SERIAL DATA COMPUTER DATA LINES SYSTEM DATA 1 (+) FRONT AXLE LEVEL FRONT AXLE LEVEL SENS LOW REF FRONT AXLE LEVEL SENSOR SIGNAL FRONT SUSPENSION HEIGHT SENSOR GMLAN SERIAL GROUND HDLP LOW HEADLAMP CONTROL MODULE HEADLAMP HIGH BEAM RELAY HI SPD GMLAN SERIAL DATA (+) 8 HIGH SPD HOT AT ALL TIMES LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP LEVELING ACTUATOR NCA WIRE POWER DISTRIBUTION SYSTEM REAR SUSPENSION HEIGHT SENSOR RED/YEL WIRE RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP LEVELING ACTUATOR SERIAL DATA COMM ENABLE UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/GRY WIRE

ACC LED SIG ACTUATOR CTRL ACTUATOR RECEIVE SIG ACTUATOR TRANSMIT SIG AMBIENT LIGHT SENS SIG ANTI-LOCK BRAKES, CRUISE CONTROL SYSTEMS ANTI-LOCK BRAKES, ENGINE CONTROLS, TRANSMISSIONS SYSTEMS AUTO STOP START INDICATOR CTRL AUTO STOP START SW SIG BATT POS VOLT BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) BRK APPLY SENS CTRL BRK APPLY SENS LOW REF BRK APPLY SENS SIG BRN WIRE BRN/BLU WIRE BRN/WHT WIRE BRN/YEL WIRE COLUMN LOCK STATUS SIG COMPUTER DATA LINES SYSTEM CRUISE/ETC/TCC/BRAKE SIG DIMMER SW LOW REF DIMMER SW SIG DOME LP OFF INDICATOR CTRL DOOR LOCKS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, ANTI-THEFT, SHIFT INTERLOCK SYSTEMS ENGINE CONTROLS, STARTING/CHARGING, TRANSMISSIONS SYSTEMS EXTERIOR LIGHTS, ANTI-THEFT, INTERIOR LIGHTS SYSTEMS GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE GRY/YEL WIRE HAZARD SW SIG HDLP SW OFF SIG CTRL HDLP SW ON SIG HDLP SW PARK LAMP SIG HEADLAMP LOW BEAM RLY CTRL HEADLIGHTS SYSTEM HI SPD GMLAN SERIAL DATA (-) (1) HIGH BEAM AUTO ON/OFF SW SIG WIRELESS CHARGING SYSTEM FAULT INDICATOR CTRL HORN RLY CTRL HORNS SYSTEM INTERIOR LIGHTS SYSTEM HOT AT ALL TIMES IGN MODE SW MODE VOLT IND DIMMING CTRL INSTRUMENT PANEL FUSE BLOCK INTERIOR LAMP CTRL INTERIOR LAMP DEFEAT SW SIG INTERIOR LIGHTS, ENGINE CONTROLS, STARTING/CHARGING, TRANSMISSIONS SYSTEMS INTERIOR LIGHTS, STARTING/CHARGING SYSTEMS LED AMBIENT LIGHTING CTRL 2 LED BACKLIGHT DIMMING CTRL LEFT CORNERING LP CTRL LEFT TRAILER TURN SIG LP CTRL LF TURN SIG LP CTRL LIN SERIAL DATA BUS 4 LOW SPD GMLAN SERIAL DATA LR STOP LP CTRL LR TURN SIG LP CTRL PARK LP RELAY CTRL POWER DISTRIBUTION SYSTEM REAR FOG LAMP SWITCH SIGNAL REAR WINDOW WASHER RLY CTRL REAR WINDOW WIPER SW SIG RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RF DRL CONTROL RIGHT CORNERING LP CTRL RIGHT TRAILER TURN SIG LP CTRL SECURITY IND CTRL SIG GND START LED SIG TRACTION CTRL SW SIG 1 VIO WIRE VIO/GRN WIRE WHT WIRE WHT/BLU WIRE WHT/VIO WIRE WIPER SW HI SIG WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM EXTERIOR LIGHTS SYSTEM YEL WIRE YEL/GRY WIRE YEL/WHT WIRE

BATT POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) BRAKE APPLY SENS LOW REF BRK APPLY SENS CTRL BRK APPLY SENS SIG COMPUTER DATA LINES SYSTEM GRN WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/YEL WIRE HAZARD SW SIG HAZARD SWITCH HAZARD SWITCH LEFT TURN SIG HAZARD SWITCH RIGHT TURN SIG HDLP SW PARK LAMP SIGNAL HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH LEFT CORNERING LAMP CTRL LEFT HDLP BULB OUTAGE SIG LEFT PARK LAMP CTRL LEFT REAR FOG LAMP LF TURN SIG LAMP CTRL LICENSE PLATE LAMP LIFTGATE UNLATCH SWITCH LR STOP LAMP CTRL LR TURN SIG LAMP CTRL PUDDLE LAMP CTRL REAR FOG LAMP CTRL REAR FOG LAMP SW SIG REAR LICENSE LAMP CTRL REAR TURN LAMP FEEDBACK SIG RED/BLU WIRE RED/WHT WIRE RF TURN SIG LAMP CTRL RIGHT CORNERING LAMP CTRL RIGHT HDLP BULB OUTAGE SIG RIGHT PARK LAMP CTRL RR STOP LAMP CTRL RR TURN LAMP FEEDBACK SIG RR TURN SIG LAMP CTRL SIG GND STOP LAMP RELAY COIL CTRL VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE W/ POWER LIFTGATE W/O POWER LIFTGATE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/WHT WIRE

AUTO BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM DATA 2 (+) DRIVER EXTERIOR DOOR HANDLE ASSEMBLY DRIVER EXTERIOR DOOR HANDLE COURTESY LAMP DRIVER INFORMATION CENTER DISPLAY GMLAN GRN/VIO WIRE GRY WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/YEL WIRE HEAD INSTRUMENT CLUSTER LEFT REAR EXTERIOR DOOR HANDLE ASSEMBLY LEFT REAR EXTERIOR DOOR HANDLE COURTESY LAMP LEFT TURN IND LO SPD LOGIC OFF PARK PARKS LAMPS IND PASSENGER EXTERIOR DOOR HANDLE ASSEMBLY PASSENGER EXTERIOR DOOR HANDLE COURTESY LAMP REAR FOG LAMP IND REAR FOG LAMP SWITCH RIGHT REAR EXTERIOR DOOR HANDLE ASSEMBLY RIGHT REAR EXTERIOR DOOR HANDLE COURTESY LAMP RIGHT TURN IND SER TURN SIGNAL/ MULTI-FUNCTION SWITCH VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/VIO WIRE WHT/YEL WIRE YEL/GRY WIRE YEL/WHT 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

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

AUDIO AMPLIFIER BATTERY POSITIVE VOLTAGE BLK WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE CENTER INSTRUMENT PANEL SPEAKER COMPUTER DATA LINES SYSTEM ETHERNET BUS 6 (-) FRONT CENTER SPKR (-) LOW REF FRONT CENTER SPKR CONTROL (+) GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GROUND GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER SPEAKER LEFT INSTRUMENT PANEL SPEAKER LF SPKR 1 (-) LF SPKR SIGNAL (-) 1 LF TWEETER SPKR CTRL (+) LF TWEETER SPKR CTRL (-) LO REF LO SPD GMLAN SER DATA 2 LR MIDRANGE SPKR (+) CTRL LR MIDRANGE SPKR - LO REF LR SPKR (-) CTRL LR SPKR SIGNAL (-) NOISE REDUCTION MICROPHONE 1 LOW REF NOISE REDUCTION MICROPHONE 1 SIGNAL NOISE REDUCTION MICROPHONE 2 LOW REF NOISE REDUCTION MICROPHONE 2 SIGNAL NOISE REDUCTION MICROPHONE 3 LOW REF NOISE REDUCTION MICROPHONE 3 SIGNAL NOISE REDUCTION MICROPHONE 4 RETURN NOISE REDUCTION MICROPHONE 4 SIGNAL RED/BRN WIRE REPLICATED SIGNAL RF SPEAKER SIG (-) 1 RF SPKR CONTROL (+) (1) RF TWEETER SPKR (-) LO REF RF TWEETER SPKR CTRL (+) RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR COMPARTMENT SPEAKER RIGHT REAR DOOR SPEAKER RIGHT REAR TWEETER SPEAKER RR SPKR (-) CTRL RR SPKR SIGNAL (-) VIO/BLU WIRE VIO/BRN WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/WHT WIRE

BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM FT PRK AID DIS CONTROL FT PRK LH CORNER SENS FT PRK LH MID SENS FT PRK RH CORNER SENS FT PRK RH MID SENS GMLAN SERIAL DATA 2 GRN WIRE GRN/BRN WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LED DISABLE SIG LEFT FRONT SIDE PARKING ASSIST SENSOR LEFT MIDDLE FRONT PARKING ASSIST SENSOR LEFT OUTER FRONT PARKING ASSIST SENSOR LF SUPPLEMENTAL OBJ SENS SIG LOW SPEED GMLAN SERIAL DATA LR CON OBJ SENS SIG LR MIDDLE OBJ SENS SIG LR SUPPLEMENTAL OBJECT SENS SIG OBJECT SENS CTRL OBJECT SENS LOW REF PARKING ASSIST CONTROL MODULE POWER SUPPLY TRANSFORMER RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RF SUPPLEMENTAL OBJ SENS SIG RIGHT FRONT SIDE PARKING ASSIST SENSOR RIGHT MIDDLE FRONT PARKING ASSIST SENSOR RIGHT OUTER FRONT PARKING ASSIST SENSOR RR CORNER OBJ SENS SIG RR MIDDLE OBJ SENS SIG RR SUPPLEMENTAL OBJECT SENS SIG SENS LOW REF SERIAL DATA COMMUNICATION ENABLE SUPPLY VOLTAGE 1 UNDERHOOD FUSE BLOCK VIO/GRY WIRE VIO/WHT WIRE W/O INTEGRATED BRAKE ASSIST WHT WIRE WHT/BLU WIRE WHT/GRY WIRE YEL WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE

AUDIO AMPLIFIER BLK WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE CENTER INSTRUMENT PANEL SPEAKER COMPUTER DATA LINES SYSTEM ETHERNET BUS 6 (-) FRONT CENTER SPKR (-) LOW REF FRONT CENTER SPKR CONTROL (+) GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER SPEAKER LEFT INSTRUMENT PANEL SPEAKER LF SPKR (+) (1) BATTERY POSITIVE VOLTAGE LF SPKR SIGNAL (-) 1 GROUND LF TWEETER SPKR CTRL (+) LF TWEETER SPKR CTRL (-) LO REF LO SPD GMLAN SER DATA 2 LR MIDRANGE SPKR (+) CTRL LR SPKR (-) CTRL LR SPKR SIGNAL (-) LR MIDRANGE SPKR - LO REF NOISE REDUCTION MICROPHONE 1 LOW REF NOISE REDUCTION MICROPHONE 1 SIGNAL NOISE REDUCTION MICROPHONE 2 LOW REF NOISE REDUCTION MICROPHONE 2 SIGNAL NOISE REDUCTION MICROPHONE 3 LOW REF NOISE REDUCTION MICROPHONE 3 SIGNAL NOISE REDUCTION MICROPHONE 4 RETURN NOISE REDUCTION MICROPHONE 4 SIGNAL RED/BRN WIRE REPLICATED SIGNAL RF SPEAKER SIG (-) 1 RF SPKR CONTROL (+) (1) RF TWEETER SPKR (-) LO REF RF TWEETER SPKR CTRL (+) RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR COMPARTMENT SPEAKER RIGHT REAR DOOR SPEAKER RIGHT REAR TWEETER SPEAKER RR SPKR (-) CTRL RR SPKR SIGNAL (-) VIO/BLU WIRE VIO/BRN WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRY 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