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

BK COAX BLK WIRE BLK/YEL WIRE COAX DIMMING CONTROL SWITCH DISPLAY DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR GRN/WHT WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED INSIDE REAR VIEW MIRROR LOGIC MIRROR DIMMING ON/OFF SWITCH PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS REAR VIEW CAMERA UNDERHOOD FUSE BLOCK VIO/GRY WIRE WHT WIRE YEL 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

BATT POSITIVE VOLT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/YEL WIRE BLU/GRN WIRE BRN/BLK WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DOWN DRIVER OUTSIDE REAR VIEW MIRROR FOLDING MOTOR DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR VIEW MIRROR MOTOR DRIVER OUTSIDE REAR- VIEW MIRROR DRIVER SEAT MEMORY CONTROL MODULE DRIVER SIDE OBJECT DETECTION INDICATOR DRIVER WINDOW SWITCH EXTERIOR LIGHTS, NAVIGATION SYSTEMS FOLD OUT GMLAN SERIAL DATA GRN WIRE GRN/WHT WIRE GRY/BRN WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT LEFT TURN SIGNAL REPEATER LAMP LOGIC MEM SEAT SET SIG MEM SEAT SW MEM SW LO REF MIRROR DIMMING MIRRORS SYSTEM NAVIGATION SYSTEM RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RIGHT SIG (1) UNDERHOOD FUSE BLOCK VIO/BLU WIRE VIO/RED WIRE WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL/BRN WIRE YEL/WHT WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/YEL WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/YEL WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DRIVER SEAT MEMORY SWITCH EXTERIOR LIGHTS, NAVIGATION SYSTEMS GRN/BLK WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES LOGIC MIRROR DIMMING MIRRORS SYSTEM NAVIGATION SYSTEM PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR FOLDING MOTOR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS PASSENGER OUTSIDE REAR VIEW MIRROR MOTOR PASSENGER SIDE OBJECT DETECTION INDICATOR PASSENGER WINDOW SWITCH POWER DISTRIBUTION SYSTEM RED/BLU WIRE RED/BRN WIRE RIGHT TURN SIGNAL REPEATER LAMP SET- UNDERHOOD FUSE BLOCK VIO/WHT WIRE WHT WIRE YEL WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

2 WAY BLK WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE DOWN GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES PASSENGER SEAT ADJUSTER SWITCH PASSENGER SEAT HORIZONTAL MOTOR PASSENGER SEAT LUMBAR SUPPORT MOTOR PASSENGER SEAT REAR VERTICAL MOTOR PASSENGER SEAT RECLINE MOTOR RED/GRY WIRE RWD UNDERHOOD FUSE BLOCK VIO WIRE W/ HEATED SEATS W/O HEATED SEATS YEL/BLU WIRE YEL/WHT WIRE

BATT POSITIVE VOLT BLK WIRE BLK/BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER SEAT MEMORY SWITCH FRONT VERTICAL MTR DOWN CTRL FRONT VERTICAL MTR UP CTRL GMLAN SERIAL DATA GRN WIRE GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE HORIZONTAL MTR FORWARD CTRL HORIZONTAL MTR REARWARD CTRL HOT AT ALL TIMES LOGIC PASSENGER SEAT ADJUSTER SWITCH PASSENGER SEAT FRONT VERTICAL MOTOR PASSENGER SEAT HORIZONTAL MOTOR PASSENGER SEAT MEMORY CONTROL MODULE PASSENGER SEAT REAR VERTICAL MOTOR REAR VERTICAL MTR DOWN CTRL REAR VERTICAL MTR UP CTRL RECLINE MTR FORWARD CTRL RECLINE MTR REARWARD CTRL RED/BLU WIRE RED/GRY WIRE SERIAL DATA BUS 16 SET- UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE YEL/BLU WIRE YEL/WHT WIRE

AUDIO AMPLIFIER (UNDER FRONT OF CENTER FLOOR CONSOLE) BLK WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/WHT WIRE CENTER INSTRUMENT PANEL SPEAKER COMPUTER DATA LINES SYSTEM CRANKSHAFT POSI SENS REPLICATED SIG ETHERNET BUS 6 (-) FF MIDRANGE SPEAKER (-) LOW REF RADIO AUDIO MUTE SIG FR SPEAKER CONTROL (+) FR SPEAKER SIG (-) FRONT CENTER SPEAKER (-) CTRL FRONT CENTER SPEAKER (-) LOW REF GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT FRONT DOOR SPEAKER LEFT INSTRUMENT PANEL SPEAKER LEFT REAR DOOR SPEAKER LF LOW LEVEL AUDIO (-) LOW REF LF LOW LVL AUDIO (-) LOW REF LF LOW LVL AUDIO SIG LF MIDRANGE SPEAKER CTRL (+) ENTERTAINMENT REMOTE ENABLE SIG LF SPKR (+) (1) BATTERY POSITIVE VOLTAGE LF SPKR SIGNAL (-) 1 GROUND LR LOW LVL AUDIO SIG RR LOW LVL AUDIO SIG NOISE REDUCTION MICROPHONE 1 LOW REF NOISE REDUCTION MICROPHONE 1 SIG NOISE REDUCTION MICROPHONE 2 LOW REF NOISE REDUCTION MICROPHONE 2 SIG NOISE REDUCTION MICROPHONE 3 LOW REF NOISE REDUCTION MICROPHONE 4 RETURN NOISE REDUCTION MICROPHONE 3 SIG NOISE REDUCTION MICROPHONE 4 SIG RED/BRN WIRE RF LOW LVL AUDIO (-) LOW REF RF LOW LVL AUDIO SIG RF MIDRANGE SPEAKER (-) CTRL RF MIDRANGE SPEAKER (-) LOW REF RF SPEAKER (-) CTRL 1 RF SPKR SIG (-) (1) RIGHT FRONT DOOR SPEAKER RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR DOOR SPEAKER RR LOW LEVEL AUDIO (-) LOW REF RR SPEAKER (+) CTRL RR SPEAKER SIG (-) VIO/BLU WIRE WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK 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

BATT POSITIVE VOLT BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU/RED WIRE BLU/WHT WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/YEL WIRE GRY WIRE HIGH HEAT IND HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT REAR BACK SEAT HEATING ELEMENT LEFT REAR CUSHION SEAT HEATING ELEMENT LEFT REAR CUSHION/ BACK SWITCH LOGIC LOW HEAT IND MED HEAT IND LR CUSHION NTC LO REF LR CUSHION NTC SIG LR HEATED SEAT CUSHION ELEMENT CTRL LR HEATED SEAT CUSHION ELEMENT LO REF LR SEAT BACK NTC SIG REAR SEAT HEATING CONTROL MODULE (UNDER LEFT REAR SEAT CUSHION) RED WIRE RED/GRY WIRE RED/YEL WIRE RIGHT REAR BACK SEAT HEATING ELEMENT RIGHT REAR CUSHION SEAT HEATING ELEMENT RIGHT REAR CUSHION/ BACK SWITCH RR CUSHION NTC LO REF RR CUSHION NTC SIG RR HEATED SEAT CUSHION ELEMENT CTRL RR HEATED SEAT ELEMENT LO REF RR SEAT BACK NTC LO REF RR SEAT BACK NTC SIG SEAT HEATING SWITCH SERIAL DATA BUS 2 WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE