Cadillac CT6 I (2016-2019) computer data lines system Wiring diagrams

ACCESSORY VOLT ACTIVE SIG ANTENNA SIG 1 HI ANTENNA SIG 1 LO ANTENNA SIG 2 HI ANTENNA SIG 2 LO ANTENNA SIG 3 HI ANTENNA SIG 3 LO ANTENNA SIG HI ANTENNA SIG LO BLK WIRE BLK/GRY WIRE BLU WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/YEL WIRE CENTER CONSOLE FRONT KEYLESS ENTRY ANTENNA COMPUTER DATA LINES SYSTEM DRIVER EXTERIOR DOOR HANDLE ASSEMBLY DRIVER EXTERIOR DOOR HANDLE COURTESY LAMP DRIVER EXTERIOR DOOR HANDLE SWITCH DRV DOOR OPEN SW SIG DRV DR HANDLE SW SIG GMLAN SERIAL DATA GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE IGNITION MODE SWITCH INSTRUMENT PANEL COMPARTMENT KEYLESS ENTRY ANTENNA KEYLESS ENTRY CONTROL MODULE LEFT BODY KEYLESS ENTRY ANTENNA LOW REF LR DR HANDLE SW SIG PASS DR HANDLE SW SIG PASSENGER EXTERIOR DOOR HANDLE ASSEMBLY PASSENGER EXTERIOR DOOR HANDLE COURTESY LAMP PASSENGER EXTERIOR DOOR HANDLE SWITCH PASSIVE START SW SIG 2 POWER DISTRIBUTION SYSTEM RAP RLY 2 COIL CONTROL REAR COMPARTMENT KEYLESS ENTRY ANTENNA REAR FASCIA KEYLESS ENTRY ANTENNA RED WIRE RED/YEL WIRE RIGHT BODY KEYLESS ENTRY ANTENNA RR DR HANDLE SW SIG RUN/CRANK IGN 1 VOLT STEERING COLUMN LOCK SIG BATT POS VOLT VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL/BLU WIRE YEL/GRY WIRE

B+ VOLT BLK WIRE BLU WIRE BRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CONTENT THEFT DETERRENT SENSOR MODULE DISPLY FUSE DRIVER DOOR LOCK SWITCH ESCL FUSE GARAGE DOOR OPENER GLVBOX CIRCUIT BREAKER GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE GRY/GRN WIRE HEAD LINER FUSE HOT AT ALL TIMES INSTRUMENT PANEL COMPARTMENT DOOR UNLATCH ACTUATOR INSTRUMENT PANEL COMPARTMENT DOOR UNLATCH ACTUATOR RELAY INSTRUMENT PANEL FUSE BLOCK LEFT REAR EXTERIOR DOOR HANDLE ASSEMBLY LEFT REAR EXTERIOR DOOR HANDLE COURTESY LAMP LEFT REAR EXTERIOR DOOR HANDLE SWITCH LOGIC NETWORK BUS 1 NETWORK BUS 2 PEPS BATT FUSE POWER DISTRIBUTION SYSTEM POWER SOUNDER CONTENT THEFT DETERRENT ALARM MODULE REAR BODY FUSE BLOCK RED WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT REAR EXTERIOR DOOR HANDLE ASSEMBLY RIGHT REAR EXTERIOR DOOR HANDLE COURTESY LAMP RIGHT REAR EXTERIOR DOOR HANDLE SWITCH SW DISABLE SIG SW LED CTRL ULTRASONIC INTRUSION SENSOR 1 ULTRASONIC INTRUSION SENSOR 2 VIO WIRE VIO/BLK WIRE VIO/YEL WIRE WHT WIRE YEL WIRE YEL/BLU WIRE YEL/GRY WIRE

2.0L TURBO 3.0L TURBO, 3.6L ACTUATOR CTRL ACTUATOR LO REF ACTUATOR RECEIVER BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLU WIRE BLU/VIO WIRE BRN WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DISPLAY ENGINE CONTROL MODULE ENGINE HOOD SWITCH FUSE 3 FUSE 7 GMLAN SER DATA GMLAN SERIAL DATA - 1 GND RUN/CRANK IGN 1 VOLT GRN WIRE GRN/VIO WIRE GRY WIRE GRY/VIO WIRE GRY/WHT WIRE HOOD STATUS A SIG HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED HYBRID 1/ IPC FUSE INSTRUMENT CLUSTER LCK STATUS SIG LOCK SIG LOGIC MOST MOST SERIAL SERIAL DATA (+) DATA (-) OFF/ACC IGN VOLT OVERHEAD CONSOLE MULTI- FUNCTION SWITCH PASSENGER DOOR LOCK SWITCH POWER SUPPLY TRANSFORMER PPL RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER SECURITY IND STEERING COLUMN LOCK MODULE (IF EQUIPPED) (UNDER SIDE OF STEERING COLUMN) STR COL LK FUSE SUPLY VOLT TRANSMIT SIG UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/VIO WIRE

AJAR SW SIG AMBIENT LIGHT/ SUNLOAD SENSOR BLK WIRE BLU WIRE BLU/VIO WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM GRN WIRE GRN/GRY WIRE GRY WIRE GRY/WHT WIRE GRY/YEL WIRE HVAC CONTROL MODULE LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW MOTOR LOGIC LOGIC PASSENGER WINDOW MOTOR LOW REF NETWORK BUS 3 NETWORK BUS 4 PASSENGER DOOR LATCH ASSEMBLY RED/BLU WIRE RED/WHT WIRE RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW MOTOR LOGIC VIO/BLK WIRE VIO/YEL WIRE WHT WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE

ACCESSORY IGN VOLTAGE ACTIVE SIG ACTUATOR CTRL ACTUATOR LO REF ACTUATOR LOCK CTRL ACTUATOR RECEIVE BATT POS VOLT BCM 2 FUSE BCM 8 FUSE BEAM RLY CTRL BLK WIRE BLU WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE (LOWER LEFT END OF DASH) BRN WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DOOR DEAD LOCK RELAY DOOR LOCK CTRL DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW SWITCH GLOVE BOX DOOR RELEASE RLY CTRL LCK STATUS SIG GLOVE BOX DOOR RELEASE SIG GLOVE BOX DOOR SIG RELEASE GLOVE BOX) GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HOOD STATUS B SIG HORN RELAY CTRL HORNS SYSTEM HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL MULTI-FUNCTION SWITCH 2 LF DR AJAR LIFTGATE AJAR SW SIG 1 LOCK SIGNAL LOGIC LOGIC DRIVER WINDOW MOTOR MOTOR STATUS SIG NETWORK BUS 3 REAR BODY FUSE BLOCK REAR COMPARTMENT LID LATCH RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RUN/CRANK IGN 1 VOLT SECURITY IND CTRL SECURITY LOCK RLY CTRL SERIAL DATA (-) (1) SW LOCK CTRL SW SIG SW UNLOCK CTRL TRANSMIT SIG UNLOCK CTRL UNLOCK SIG UNLOCK SIGNAL VIO/BLK WIRE VIO/GRY WIRE VIO/YEL WIRE W/ LANE ACTIVE SAFETY W/O LANE ACTIVE SAFETY WHT WIRE WHT/VIO WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE

BLK WIRE BLU/GRN WIRE BLU/VIO WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DOOR LOCK MTR STATUS SIG DOOR LOCK KEY SW UNLOCK SIG DOOR LOCKS SYSTEM DOWN SWITCH DR MIR FUSE DRIVER WINDOW MOTOR DRIVER WINDOW SWITCH EXPRESS SWITCH GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES ILL LEFT FRONT WINDOW DOWN SWITCH LEFT FRONT WINDOW EXPRESS SWITCH LEFT FRONT WINDOW UP SWITCH LEFT REAR WINDOW DOWN SWITCH LEFT REAR WINDOW EXPRESS DOWN SWITCH LEFT REAR WINDOW UP SWITCH LF DR AJAR SW SIG LOCKOUT IND LOCKOUT SWITCH LOGIC LT WNDW FUSE N/W BUS 3 PASSENGER WINDOW MOTOR PASSENGER WINDOW SWITCH REAR BODY FUSE BLOCK RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE RF DR AJAR SW SIG RIGHT FRONT WINDOW DOWN SWITCH RIGHT FRONT WINDOW EXPRESS SWITCH RIGHT FRONT WINDOW UP SWITCH RIGHT REAR WINDOW DOWN SWITCH RIGHT REAR WINDOW EXPRESS DOWN SWITCH RIGHT REAR WINDOW UP SWITCH RT WNDW FUSE SW DOWN SIG SW DRV DOWN SIG SW DRV EXP SIG SW DRV UP SIG SW EXPRESS SIG SW UP SIG UP SWITCH VIO/GRY WIRE WHT/VIO WIRE YEL/BLK WIRE

BLK WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM DOWN DOWN SWITCH EXPRESS EXPRESS SIG EXPRESS SWITCH GRN/GRY WIRE GRY WIRE GRY/GRN WIRE ILL LEFT REAR WINDOW MOTOR LEFT REAR WINDOW SWITCH LOGIC LR DOWN SIG LR DR AJAR SW SIG LR UP SIG NETWORK 4 RED/BLU WIRE RED/WHT WIRE RIGHT REAR WINDOW MOTOR RIGHT REAR WINDOW SWITCH RR DOWN SIG RR DR AJAR SW SIG RR UP SIG SWITCH UP SWITCH WHT/GRN WIRE YEL WIRE

BLK/ORG WIRE BLK/WHT WIRE BRN/ORG WIRE COMPUTER DATA LINES SYSTEM GRN WIRE GRY/ORG WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL FUSE BLOCK IP BODY IGN FUSE LEFT FRONT IMPACT SENSOR LEFT FRONT SIDE IMPACT SENSOR LEFT REAR SIDE IMPACT SENSOR LEFT ROOF RAIL AIR BAG LO SPD GMLAN ORG/BLU WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/VIO WIRE ORG/YEL WIRE PASSENGER PRESENCE MODULE (UNDER PASSENGER'S SEAT CUSHION) REAR BODY FUSE BLOCK RED/BLU WIRE RED/GRN WIRE RET SW LO REF RET SW SIG RIGHT FRONT IMPACT SENSOR RIGHT FRONT SIDE IMPACT SENSOR RIGHT REAR SIDE IMPACT SENSOR SDM FUSE SEAT BELT LT FRT FUSE SEAT BELT RT FRT FUSE SERIAL DATA SHORTING BAR SIG GND UNDERHOOD FUSE BLOCK VIO/GRY WIRE VIO/ORG WIRE W/ STOP/START SYSTEM W/O STOP/START SYSTEM

AIR BAG IND AIR BAG OFF IND AIR BAG ON IND BLK WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/ORG WIRE COMPUTER DATA LINES SYSTEM DATA COMM ENABLE DISPLAY DRIVER INFORMATION CENTER DISPLAY DRIVER KNEE AIR BAG DRV KNEE MOD HI CTRL DRV KNEE MOD LO CTRL PASS KNEE MOD LO CTRL PASS KNEE MOD HI CTRL GRN WIRE GRY/GRN WIRE GRY/ORG WIRE HI SPD GMLAN (-) 2 INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT CLUSTER LEFT SEAT BELT RETRACTOR MOTOR MODULE LO SPD GMLAN SERIAL DATA LOGIC LOW SPD GMLAN SERIAL DATA MOD STAGE 1 HI MOD STAGE 1 LO ORG/BLU WIRE ORG/VIO WIRE ORG/WHT WIRE PASS AIR BAG OFF IND PASS AIR BAG ON IND PASS SEAT BELT IND PASS STAGE 1 HI PASS STAGE 1 LO PASS STAGE 2 HI PASS STAGE 2 LO PASSENGER AIR BAG DISABLED INDICATOR PASSENGER INSTRUMENT PANEL AIR BAG PASSENGER KNEE AIR BAG RED/BLU WIRE RED/GRN WIRE RIGHT SEAT BELT RETRACTOR MOTOR MODULE SEAT BELT IND SEAT BELT ON IND SHORTING BAR SIG GND STEERING WHEEL AIR BAG STEERING WHEEL AIR BAG COIL TAN WIRE VIO WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/ORG WIRE YEL/ORG WIRE

AC VOLTAGE SENSE SIG AIR CONDITIONING SYSTEM AMBIENT LIGHT/ SUNLOAD SENSOR, BATTERY STATE OF CHARGE INDICATOR BLK WIRE BLK/BRN WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/WHT WIRE CHARGE PORT DOOR POSITION SWITCH CHARGING CTRL CHARGING ENABLE COMM CTRL COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CTRL PILOT SIG 1 DC VOLTAGE SENSE SIG FAN CTRL SIG FAULT SIG FEEDBACK SIG GEN FUSE GMLAN SERIAL DATA GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES HVAC FUSE HYBRID/EV POWERTRAIN CONTROL MODULE 2 IGNITION 1 VOLTAGE INDICATOR CTRL INSTRUMENT PANEL FUSE BLOCK LOCK/UNLOCK 1 REF LOCK/UNLOCK 1 SIG LOGIC MOTOR CTRL MOTOR HIGH CTRL MOTOR LOW REF RED/VIO WIRE RED/YEL WIRE SENS SIG SERIAL DATA 2 SPEED SIG STATUS SIG 1 SWITCH SIG TO HYBRID/EV BATTERY PACK (DIAGRAM 2 OF 10) TRUNK, TAILGATE, FUEL DOORS SYSTEM UNDERHOOD AUXILIARY FUSE BLOCK VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/WHT WIRE VIO/YEL WIRE WAKEUP SERIAL DATA WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/VIO WIRE