Cadillac CT4 I (2019-2024) hazard warning switch Wiring diagrams

BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLU WIRE CAN BUS (-) 5 DRIVER FRONT SEAT ADJUSTER SWITCH DRIVER FRONT SEAT BOLSTER MEMORY MODULE DRV SEAT MEMORY CTRL ETHERNET BUS 2 (-) ETHERNET BUS 7 (-) GRN/BLK WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE HAZARD WARNING SWITCH HEAD-UP DISPLAY HEATED STEERING WHEEL MODULE HOT AT ALL TIMES INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LIN BUS 1 LIN BUS 12 MOD LIN BUS 2 NCA WIRE PASS SEAT MEMORY CTRL PASSENGER FRONT SEAT ADJUSTER SWITCH PASSENGER FRONT SEAT BOLSTER MEMORY MODULE RED/GRN WIRE SERIAL DATA SERIAL DATA CAN BUS (-) 5 SERIAL DATA GATEWAY MODULE (LEFT SIDE OF DASH) STEERING WHEEL AIR BAG COIL STEERING WHEEL RADIO CONTROL SWITCH VEHICLE PERFORMANCE DATA RECORDER WHT WIRE WHT/VIO WIRE YEL/VIO WIRE

BLK WIRE BLOWER MOTOR BODY CONTROL MODULE CENTER CONSOLE MULTI-FUNCTION SWITCH COLUMN LOCK MODULE CRUISE CONTROL SWITCH DATA LINK CONNECTOR DIMMER SWITCH DRIVER MONITORING SYSTEM MODULE ENGINE COOLANT PUMP ENGINE COOLING FAN MOTOR FLOOR CONSOLE COMPARTMENT ACCESSORY POWER RECEPTACLE FORWARD COLLISION ALERT DISPLAY FRONT FLOOR CONSOLE ACCESSORY POWER REAR RECEPTACLE FRONT FLOOR CONSOLE COMPARTMENT LAMP FRONT HEATER, AIR CONDITIONING USER INTERFACE CONTROL GEAR SHIFT CONTROL MODULE HAZARD WARNING SWITCH HEAD-UP DISPLAY HEAD-UP DISPLAY SWITCH HEATED STEERING WHEEL MODULE HORN SWITCH IGNITION MAIN RELAY INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL COMPARTMENT LAMP INSTRUMENT PANEL LIGHT CONDUCTOR LAMP INSTRUMENT PANEL MULTI- FUNCTION SWITCH INSTRUMENT PANEL WIRING HARNESS FUSE BLOCK LEFT AUTOMATIC TRANSMISSION MANUAL SHIFT AUXILIARY POSITION SWITCH LEFT FRONT FLOOR COURTESY LAMP LEFT TRANSMISSION MANUAL SHIFT SWITCH NCA WIRE ON/OFF VEHICLE SWITCH PARKING BRAKE CONTROL SWITCH PASSENGER COMPARTMENT AIR FILTER MODULE RETAINED ACCESSORY POWER RELAY RIGHT AUTOMATIC TRANSMISSION MANUAL SHIFT AUXILIARY POSITION SWITCH RIGHT FRONT FLOOR COURTESY LAMP RIGHT TRANSMISSION MANUAL SHIFT SWITCH STEERING COLUMN TILT WHEEL, TELESCOPE CONTROL MODULE STEERING LOCK MODULE STEERING WHEEL AIR BAG COIL STEERING WHEEL RADIO CONTROL SWITCH TURN SIGNAL SWITCH VEHICLE DYNAMIC SENSOR VEHICLE STABILITY CONTROL SYSTEM SWITCH W/ AUTOMATIC STEERING WHEEL HEATER W/O INDUCTIVE PORTABLE WIRELESS DEVICE CHARGER W/O WINDSHIELD HEAD-UP DISPLAY WHT WIRE WIRELESS ACCESSORY CHARGING MODULE

BATT POSITIVE VOLT BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BODY CTRL MODULE LIN BUS 11 BRN/BLK WIRE BRN/BLU WIRE BRN/VIO WIRE CO-DRIVER HEATED BACK THERMISTOR LO REF COMPUTER DATA LINES SYSTEM DRIVER FRONT SEAT BACK HEATER DRIVER FRONT SEAT CUSHION HEATER DRV HEATED SEAT THERMISTOR LO REF DRV HTD SEAT SW DRV COOLED SEAT SW HIGH HEAT IND MEDIUM HEAT IND DRV SEAT BLOWER MTR CTRL 1 DRV SEAT HEATING ELEMENT CTRL DRV SEAT HEATING ELEMENT LO REF FRONT SEAT HEATER VENT CONTROL MODULE (UNDER PASSENGER SEAT) GRN/VIO WIRE GRN/WHT WIRE GRY/BLK WIRE HAZARD WARNING SWITCH HOT AT ALL TIMES INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC LOW HEAT IND MEDIUM HEAT IND NCA WIRE PASS HEATED SEAT THERMISTOR LO REF PASS HTD SEAT SW PASS COOLED SEAT SW HIGH HEAT IND PASS SEAT BLOWER MTR CTRL 1 PASS SEAT HEATING ELEMENT CTRL PASS SEAT HEATING ELEMENT LO REF PASS SEAT HEATING TEMPERATURE SENS SIG DRV SEAT HEATING TEMPERATURE SENS SIG REAR BODY WIRING HARNESS JUNCTION BLOCK RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/GRY WIRE YEL/GRY WIRE

BACKLIGHT DIMMING CTRL 1 BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (RIGHT SIDE OF DASH) CAN BUS (-) 2 SER DATA COMPUTER DATA LINES SYSTEM DIMMER SW LOW REF DIMMER SWITCH DIMMER SWITCH SIGNAL DRIVER INFORMATION CENTER DISPLAY GARAGE DOOR OPENER TRANSMITTER GND 14 HAZARD WARNING SWITCH HEAD-UP DISPLAY SWITCH HOT AT ALL TIMES ILLUMINATION IND INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LOGIC ON/OFF VEHICLE SWITCH POSITIVE VOLTAGE 40 RED/BLU WIRE RED/VIO WIRE W/O WINDSHIELD HEAD-UP DISPLAY WHT WIRE YEL WIRE YEL/GRY WIRE

BLK WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/GRY WIRE BLU/YEL WIRE BODY CONTROL MODULE (RIGHT SIDE OF DASH) BRN/BLU WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH DAY NIGHT LED CONTROL DISTANCE SENSING CRUISE CONTROL GAP UP/DOWN SWITCH SIGNAL DRIVER INFORMATION CENTER DISPLAY ETHERNET BUS 7 (-) FORWARD COLLISION ALERT DISPLAY FORWARD COLLISION ALERT LED CONTROL FORWARD COLLISION SWITCH GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HAZARD WARNING SWITCH HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LANE DEPARTURE WARNING DISABLE IND LANE DEPARTURE WARNING DISABLE SWITCH LANE DEPARTURE WARNING DISABLE SWITCH SIGNAL LANE DEPARTURE WARNING IND LANE DEPARTURE WARNING INDICATOR CONTROL LANE DEPARTURE WARNING SWITCH LANE KEEP ASSIST IND LOGIC REAR BODY WIRING HARNESS JUNCTION BLOCK RED/YEL WIRE STEERING WHEEL AIR BAG COIL VEHICLE AHEAD INDICATOR IND VIO/GRY WIRE WHT WIRE WHT/GRY WIRE WINDSHIELD FRONT VIEW CAMERA

AUTOSAR CAN BUS (+) 1 SERIAL DATA AUTOSAR CAN BUS (+) 2 SERIAL DATA BATTERY POSITIVE VOLTAGE BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BODY CONTROL MODULE (RIGHT SIDE OF DASH) BRN WIRE BRN/BLU WIRE BRN/WHT WIRE BUS 7 (-) COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ETHERNET FRT PRK ASSIST DISPLAY CTRL FRT PRK ASSIST SENS LOW REF GRN/BRN WIRE GRY/BLU WIRE GRY/GRN WIRE HAZARD WARNING SWITCH HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT FRONT MIDDLE PARKING ASSIST ALARM SENSOR LEFT FRONT OUTER PARKING ASSIST ALARM SENSOR LEFT REAR MIDDLE PARKING ASSIST ALARM SENSOR LEFT REAR OUTER PARKING ASSIST ALARM SENSOR LF MID PRK ASSIST SENS LF OUTER PRK ASSIST SENS LOGIC LR MID PRK ASSIST SENS SIG OBJECT SENS LOW REF OBJECT SENSOR VOLTAGE REF PARKING ASSIST CONTROL MODULE REAR BODY WIRING HARNESS JUNCTION BLOCK REAR PARKING ASSIST DISABLE IND REAR PARKING ASSIST DISABLE LED SIGNAL REAR PARKING ASSIST DISABLE SIGNAL REAR PARKING ASSIST DISABLE SWITCH RED/GRN WIRE RF MID PRK ASSIST SENS RF OUTER PRK ASSIST SENS RIGHT FRONT MIDDLE PARKING ASSIST ALARM SENSOR RIGHT FRONT OUTER PARKING ASSIST ALARM SENSOR RIGHT REAR MIDDLE PARKING ASSIST ALARM SENSOR RIGHT REAR OUTER PARKING ASSIST ALARM SENSOR RR MID PRK ASSIST SENS SIG LR OUTER PRK ASSIST SENS SIG RR OUTER PRK ASSIST SENS SIG SIG GROUND VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/GRY WIRE YEL WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE