Cadillac CT6 I (2016-2019) blu Wiring diagrams

AIR QUALITY SENS SIG AUXILIARY AIR TEMP SENS SIG BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BLOWER MOTOR SPEED CTRL BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/YEL WIRE CABIN HEATER COOLANT MOTOR CTRL CABIN HEATER COOLANT MOTOR FEEDBACK COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DISPLY FUSE DUAL ZONE DUCT CENTER CONSOLE AUXILIARY AIR TEMPERATURE SENSOR DUCT LEFT LOWER AUXILIARY AIR TEMPERATURE SENSOR DUCT LEFT UPPER AUXILIARY AIR TEMPERATURE SENSOR DUCT RIGHT LOWER AUXILIARY AIR TEMPERATURE SENSOR DUCT RIGHT UPPER AUXILIARY AIR TEMPERATURE SENSOR ELEC VARIABLE DISPLACEMENT CTRL ELEC VARIABLE DISPLACEMENT SPLY FRT BLWR FUSE FUSE 7 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/YEL WIRE GROUND GRY WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED HVAC CONTROL MODULE HVAC FUSE HYBRID EXCEPT HYBRID INSIDE AIR TEMP SENS SIG INSTRUMENT PANEL FUSE BLOCK IP BODY IGN FUSE J251 (2.0L PLUG-IN HYBRID) LOW SPEED GMLAN SERIAL DATA LOWER AIR TEMP SENS SIG COOLANT TEMP SIG AUXILIARY AIR TEMP SENS SIG POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER REAR BLOWER MOTOR SPEED CTRL REAR DEFOG RLY CTRL RED/BLU WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RUN/CRANK IGNITION 1 VOLTAGE SENS LOW REF SERIAL DATA BUS 19 SERIAL DATA BUS 9 SOLAR SENS DRIVER SIG SOLAR SENS LOW REF UNDERHOOD FUSE BLOCK VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE YEL WIRE

ACCM/ SPARE FUSE BATT POS VOLT BLK WIRE BLK/BLU WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/BLU WIRE CHCM/ SPARE FUSE COMPUTER DATA LINES SYSTEM COOL PUMP/ COIL ODD FUSE DRIVER INFORMATION CENTER DISPLAY ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND ESS CL PUMP FUSE EXCEPT HYBRID FEEDBACK SIG GMLAN GRN WIRE GRN/BLK WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED HYBRID/EV BATTERY PACK COOLANT PUMP (UNDER REAR OF VEHICLE) HYBRID/EV ELECTRONICS COOLANT PUMP (LEFT REAR OF RADIATOR) INSTRUMENT CLUSTER LOGIC LOW SPD MOTOR CTRL PWR CL PUMP FUSE RED/BLU WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE SERIAL DATA SIG GND UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/BLU WIRE VIO/WHT WIRE WHT WIRE WHT/GRN WIRE YEL/GRN WIRE YEL/GRY WIRE

A/C COMPRESSOR (HYBRID) (LOWER LEFT FRONT OF ENGINE) ACCESS WAKEUP BATT 4 (+) BATT MODULE BATT POS BATT POS VOLT BATTERY ENERGY CONTROL MODULE BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE COMM CTRL COMPUTER DATA LINES SYSTEM COOLANT HEATER CONTROL MODULE (HYBRID) DATA 1 (+) DATA BUS 19 FUSE 1 FUSE 3 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRY WIRE HIGH SPD GMLAN SERIAL HIGH VOLT HIGH VOLT BATT 5 (+) HOT W/ HYBRID/EV BATTERY POSITIVE CONTACTOR RELAY ENERGIZED HYBRID/EV BATTERY CONTACTOR ASSEMBLY HYBRID/EV BATTERY NEGATIVE CONTACTOR HYBRID/EV BATTERY PACK HYBRID/EV BATTERY PACK COOLANT TEMPERATURE SENSOR 1 IGNITION 1 VOLT LIN SERIAL LOW REF 7 ORG/ WIRE ORG/BLK WIRE RED WIRE RED/BLU WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RUN/CRANK SERIAL DATA 2 SIG GND TEMP SENS TEMP SIG 7 VIO/BLK WIRE VIO/BLU WIRE VIO/WHT WIRE VOLT WHT WIRE YEL WIRE

3.0L TURBO AIR QUALITY SENSOR AMBIENT LIGHT/SUNLOAD SENSOR (EXCEPT HYBRID) (TOP CENTER OF DASH) AUTO AUXILIARY BLOWER MOTOR AUXILIARY BLOWER MOTOR CONTROL MODULE BATT POS BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE CHARGE AIR COOLER COOLANT PUMP COMPUTER DATA LINES SYSTEM DISPLAY DOOR LOCKS, ANTI-THEFT SYSTEMS EVAP LEAK FUSE FAN DOWN FAN UP GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GROUND GRY WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED HVAC CONTROLS IGN LOGIC LOW REF MOTOR CTRL OFF ORG/ WIRE PASSENGER RADIO/ HVAC CONTROLS REAR BLWR FUSE REAR BODY FUSE BLOCK REAR WINDOW DEFOGGER IND RED/BLU WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RUN/CRNK MISC FUSE SENS SIG SPEED CTRL SWITCH TEMPERATURE VIO/BLU WIRE VIO/GRN WIRE VIO/WHT WIRE VOLT WHT WIRE

A/C COMPRESSOR (EXCEPT HYBRID) (LOWER LEFT FRONT OF ENGINE) A/C COMPRESSOR CLUTCH A/C COMPRESSOR SOLENOID VALVE AMBIENT AIR TEMPERATURE SENSOR AUTO AUXILIARY MODE DOOR ACTUATOR BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/VIO WIRE BUS SIG CENTER CONSOLE RIGHT AUXILIARY AIR TEMPERATURE DOOR ACTUATOR COMPUTER DATA LINES SYSTEM DATA DATA BUS - DISPLAY EXCEPT HYBRID FAN DOWN FAN UP GRN WIRE GRN/BLU WIRE GRN/YEL WIRE GRY WIRE J177 (2.0L) LEFT OUTLET LEFT REAR LEFT UPPER AUXILIARY AIR TEMPERATURE DOOR ACTUATOR LOGIC POWER PPL RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT OUTLET RIGHT REAR RIGHT UPPER AUXILIARY AIR TEMPERATURE DOOR ACTUATOR SERIAL SIG SPLY SWITCH TEMPERATURE VOLT WHT WIRE

1/+ 2.0L 3.0L TURBO 3.6L 3.6L, 3.0L TURBO A/C COMPRESSOR A/C EVAPORATOR TEMPERATURE SENSOR A/C PRESS AFTER BOIL AIR INLET DR STEPPER MTR CTRL 1 AIR INLET DR STEPPER MTR CTRL 2 AIR INLET DR STEPPER MTR CTRL 3 AIR INLET DR STEPPER MTR CTRL 4 AIR RECIRCULATION DOOR ACTUATOR AIR TEMP DR CTRL LOW REF AMBIENT BLK/BLU WIRE BLK/BRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CLUTCH RLY CTRL COMPUTER DATA LINES SYSTEM COOLING FAN CTRL SIG DUCT LEFT LOWER AIR TEMPERATURE SENSOR DUCT LEFT UPPER AIR TEMPERATURE SENSOR ECT ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR EVAP CORE TEMP SENS SIG EXCEPT HYBRID HYBRID GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/WHT WIRE HEATER RLY CTRL HVAC CONTROL MODULE HVAC MOTOR CTRL INTERCOLLER LEFT AIR TEMPERATURE DOOR ACTUATOR LEFT MODE DOOR ACTUATOR LOWER LEFT AIR TEMP SENS SIG LOWER RIGHT AIR TEMP SENS SIG MODE DR STEPPER MTR CTRL 1 MODE DR STEPPER MTR CTRL 2 MODE DR STEPPER MTR CTRL 3 MODE DR STEPPER MTR CTRL 4 PUMP RELAY CTRL SENS SIG SER DATA SIG GND SUPERCHARGER TEMP DR STEPPER MTR CTRL 1 TEMP DR STEPPER MTR CTRL 2 TEMP DR STEPPER MTR CTRL 3 TEMP DR STEPPER MTR CTRL 4 UPPER LEFT AIR TEMP SENS SIG UPPER MODE VALVE MOTOR CTRL UPPER RIGHT AIR TEMP SENS SIG VIO/GRN WIRE VIO/GRY WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

A/C COMPRESSOR A/C COMPRESSOR CLUTCH RELAY AC CLTCH FUSE AUXILIARY HEATER COOLANT PUMP AUXILIARY HEATER COOLANT PUMP RELAY BATTERY ENERGY CONTROL MODULE HYBRID/EV BATTERY PACK BLK WIRE BLU WIRE BLU/VIO WIRE BODY CONTROL MODULE BRAKE BOOSTER CONTROL MODULE COOL PUMP FUSE ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROLS IGNITION RELAY EXCEPT HYBRID HYBRID FPPM FUSE FROM CHCM/SPARE FUSE (DIAGRAM 1 OF 9) FROM UNDERHOOD AUXILIARY FUSE BLOCK (DIAGRAM 1 OF 9) FRONT SEAT HEATING CONTROL MODULE FRT HTD SEAT FUSE FUEL PUMP DRIVER CONTROL MODULE GRN/VIO WIRE HDLP LVLG FUSE HEADLAMP HIGH BEAM RELAY HEADLAMP RELAY HORN RELAY HVAC CONTROL MODULE HYBRID/EV POWERTRAIN CONTROL MODULE 1 POWER INVERTER MODULE HYBRID/EV POWERTRAIN CONTROL MODULE 2 IGNITION MAIN RELAY INSTRUMENT CLUSTER IP BODY IGN FUSE LEFT CORNERING LAMP RELAY LOGIC LOGIC COLLISION ALERT INDICATORS NCA WIRE NIGHT VISION CAMERA WASHER PUMP RELAY PASSENGER AIR BAG DISABLED INDICATOR REAR SEAT HEATING CONTROL MODULE RED WIRE RED/GRY WIRE RED/WHT WIRE RIGHT CORNERING LAMP RELAY RR HTD SEAT FUSE STARTER PINION SOLENOID ACTUATOR RELAY STEERING COLUMN LOCK MODULE STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATER FUSE HOLDER STEERING WHEEL HEATING CONTROL MODULE STR COL LK FUSE STRTR 1 FUSE TPIM 1 FUSE TRANS IGN FUSE TRANSFER CASE CONTROL MODULE TRANSMISSION CONTROL MODULE VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/WHT WIRE W/ LUXURY SEATS W/O LUXURY SEATS W/ START/ STOP SYSTEM W/O HEAD-UP DISPLAY WASH FUSE WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY WPR FRT FUSE

ACC LED ACC LED SIG ACCESSORY ACCESSORY IGN VOLT AUXILIARY AUDIO INPUT BATT POS VOLT BLK WIRE BLK/GRY WIRE BLU WIRE BODY CONTROL MODULE BRN WIRE BRN/YEL WIRE CAMERA FUSE CGM FUSE ENGINE START/STOP FROM DISPLY FUSE (DIAGRAM 1 OF 9) FROM REAR BODY FUSE BLOCK (DIAGRAM 4 OF 9) GRN/BLK WIRE GRY/GRN WIRE HUMAN MACHINE INTERFACE CONTROL MODULE IGN 1 VOLT IGN MODE SW IGN VOLT IGNITION MODE SWITCH ILL-LED INFOTAINMENT CONTROL TOUCHPAD INSTRUMENT PANEL FUSE BLOCK KEYLESS ENTRY CONTROL MODULE MEMORY CARD RECEPTACLE MODE VOLT NIGHT VISION CAMERA CONTROL MODULE PASSIVE START SW SIG 2 PASSIVE START SW SIG 2 LOW REFERENCE RAP RLY 2 COIL CTRL RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT UPPER STEERING WHEEL CONTROLS SWITCH RUN/CRANK RUN/CRANK IGN 1 VOLT SERIAL DATA GATEWAY MODULE START LED START LED SIG STEERING WHEEL AIR BAG COIL STR WHL FUSE VIDEO PROCESSING CONTROL MODULE VIO/BLK WIRE VIO/YEL WIRE VPM NV FUSE WINDSHIELD FRONT VIEW CAMERA YEL WIRE

ACC LED ACC LED SIG ACCESSORY ACCESSORY IGN VOLT AUXILIARY AUDIO INPUT BLK WIRE BLK/GRY WIRE BLU WIRE BODY CONTROL MODULE BRN WIRE BRN/YEL WIRE CGM FUSE ENGINE START/STOP FROM DISPLY FUSE (DIAGRAM 1 OF 10) GRN/BLK WIRE GRY/GRN WIRE HUMAN MACHINE INTERFACE CONTROL MODULE IGN 1 VOLT IGN MODE SW IGN VOLT IGNITION MODE SWITCH ILL-LED INFOTAINMENT CONTROL TOUCHPAD INSTRUMENT PANEL FUSE BLOCK KEYLESS ENTRY CONTROL MODULE MEMORY CARD RECEPTACLE MODE VOLT NIGHT VISION CAMERA CONTROL MODULE PASSIVE START SW SIG 2 PASSIVE START SW SIG 2 LOW REFERENCE RAP RLY 2 COIL CTRL RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT UPPER STEERING WHEEL CONTROLS SWITCH RUN/CRANK RUN/CRANK IGN 1 VOLT SERIAL DATA GATEWAY MODULE START LED START LED SIG STEERING WHEEL AIR BAG COIL STR WHL FUSE VIDEO PROCESSING CONTROL MODULE VIO/BLK WIRE VIO/YEL WIRE VPM NV FUSE YEL WIRE

BATT POS VOLT BATT POS VOLT LIN SERIAL DATA BUS 1 BATTERY FUSE BLOCK BCM 1 FUSE BCM 2 FUSE BLK WIRE BLK/GRY WIRE BLU WIRE BODY CONTROL MODULE (LOWER LEFT END OF DASH) BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE CAMERA WASH SIG CAMERA WASH SWITCH COMPUTER DATA LINES SYSTEM DELAY SWITCH DRIVER INFORMATION CENTER DISPLAY FRONT WINDSHIELD WIPER SW HI SIG HDLP WASHER RLY CTRL FUSE 3 GND HI SPD GMLAN SERIAL DATA (+) 1 GRN/BRN WIRE GRY WIRE GRY/GRN WIRE GRY/VIO WIRE HEAD LINER FUSE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 2 ENERGIZED INSTRUMENT CLUSTER INT LOW OFF INT LOW OFF HIGH LOGIC LOW SPD GMLAN SERIAL DATA LOW WASHER FLUID IND CTRL MIST MIST HIGH NIGHT VISION CAMERA WASHER PUMP NIGHT VISION CAMERA WASHER PUMP RELAY POWER SUPPLY TRANSFORMER RAIN SENSOR REAR BODY FUSE BLOCK RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE SPLY VOLT UNDERHOOD FUSE BLOCK VIO WIRE WASH FUSE WASHER SWITCH WHT WIRE WHT/BLK WIRE WHT/VIO WIRE WINDSHIELD WASHER FLUID LEVEL SWITCH WINDSHIELD WASHER PUMP WINDSHIELD WASHER PUMP RELAY WINDSHIELD WASHER RLY CTRL WINDSHIELD WASHER SW SIG WINDSHIELD WIPER MOTOR WINDSHIELD WIPER MTR PRK SW SIG WINDSHIELD WIPER MTR RLY COIL CTRL WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY WINDSHIELD WIPER SW HI SIG WINDSHIELD WIPER SW LOW REF WINDSHIELD WIPER SW LOW SIG WINDSHIELD WIPER/WASHER SWITCH WIPER SWITCH WPR FRT FUSE YEL/BLU WIRE YEL/BRN WIRE