Cadillac CTS-V III (2013-2019) turn signal/ multi-function switch Wiring diagrams

3.6L TURBO, 6.2L SUPERCHARGED 3.6L 2.0L TURBO BATT POS VOLT BCM 1 FUSE BCM 2 FUSE BCM 3 FUSE BCM 4 FUSE BCM 5 FUSE BCM 6 FUSE BCM 7 FUSE BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BRAKE PEDAL POSITION SENSOR BRK SENS LO REF BRN WIRE COMPUTER DATA LINES SYSTEM CTRL DRL CTRL DRL CTRL REAR LICENSE LP CTRL ENGINE CONTROL MODULE FDBACK SIG GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE HAZARD SW SIG HAZARD SWITCH HEAD HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL MULTI-FUNCTION SWITCH 1 LED LEFT LEFT HEADLAMP LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP MULTI-FUNCTION LED CONTROL MODULE LEFT LICENSE PLATE LAMP LF TURN SW SIG LOGIC MULTI- FUNCTION PARK AUTO OFF PARK LAMP SIG POSITION SENS SIG REAR BODY FUSE BLOCK RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RF TURN SW SIG RIGHT RIGHT LICENSE PLATE LAMP SENS CTRL SENS LO REF SENS SIG SERIAL DATA SIG LP CTRL STR WHL CNTRL FUSE SW SIG TURN SIGNAL/ MULTI-FUNCTION SWITCH VIO/BLK WIRE VIO/BLU WIRE WHT WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE

BATTERY SAVER RELAY 1 BLK WIRE BLK/RED WIRE BODY CONTROL MODULE BRN WIRE CENTER CONSOLE FLOOD LAMP COLLISION ALERT INDICATORS CONTENT THEFT DETERRENT SENSOR MODULE DATA LINK CONNECTOR DOME LAMP SWITCH FRONT VIEW CAMERA GARAGE DOOR OPENER GRY WIRE HEAD-UP DISPLAY HEAD-UP DISPLAY SWITCH HORN SWITCH IGNITION MODE SWITCH INSIDE REAR VIEW MIRROR INSTRUMENT CLUSTER INSTRUMENT PANEL COMPARTMENT DOOR UNLATCH ACTUATOR RELAY INSTRUMENT PANEL DIMMER SWITCH INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL MULTI-FUNCTION SWITCH 1 LEFT FRONT DOME/ READING LAMPS LEFT INSTRUMENT PANEL ACCENT LAMP LEFT INSTRUMENT PANEL COURTESY LAMP LEFT MIDDLE INSTRUMENT PANEL ACCENT LAMP LEFT REAR DOME/ READING LAMPS LEFT STEERING WHEEL CONTROLS SWITCH LEFT SUNSHADE LEFT TRANSMISSION MANUAL SHIFT SWITCH PARK BRAKE CONTROL SWITCH PASSENGER AIR BAG DISABLED INDICATOR RAIN/ AMBIENT LIGHT SENSOR MODULE REAR WINDOW SUNSHADE SWITCH RED WIRE RETAINED ACCESSORY POWER RELAY RIGHT FRONT DOME/ READING LAMPS RIGHT REAR DOME/ READING LAMPS RIGHT STEERING WHEEL CONTROLS SWITCH RIGHT SUNSHADE RIGHT TRANSMISSION MANUAL SHIFT SWITCH STEERING COLUMN LOCK MODULE STEERING COLUMN POSITION CONTROL MODULE STEERING WHEEL AIR BAG COIL STEERING WHEEL ANGLE SENSOR STEERING WHEEL HEATER STEERING WHEEL HEATING CONTROL MODULE STEERING WHEEL HEATING CONTROL MODULE (IN STEERING WHEEL) SUNROOF SWITCH TELEMATICS BUTTON ASSEMBLY TURN SIGNAL/ MULTI-FUNCTION SWITCH W/ ONSTAR W/ UNIVERSAL GARAGE DOOR OPENER W/O BRAKE PREFILL, INTELLIGENT BRAKE ASSIST WINDSHIELD FRONT VIEW CAMERA

AIR CONDITIONING SYSTEM AMBIENT LIGHT SENS SIG AMBIENT LIGHT/ SUNLOAD SENSOR AUTO AUXILIARY UNDERHOOD FUSE BLOCK BATT POS VOLT BATTERY FUSE BLOCK BCM 3 FUSE BLK WIRE BLK/GRN WIRE BLU/BRN WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN WIRE BRN/VIO WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRL CTRL DRL SPLY FLASH TO PASS FUSE 6 GRN WIRE GRN/BRN WIRE GRY WIRE GRY/BLU WIRE HDLP DIMMER SW HI BEAM SIG HDLP HI BEAM RLY CTRL HDLP HI LT/RT FUSE HDLP LOW BEAM RLY CTRL HDLP SW FLASH TO PASS SIG HDLP SW OFF SIG HDLP SW ON SIG HEAD PARK HEADLAMP HIGH BEAM RELAY HEADLAMP LOW BEAM RELAY HOT AT ALL TIMES HVAC CONTROL MODULE LEFT FRONT FASCIA MULTI- FUNCTION LED LEFT FRONT FASCIA MULTI-FUNCTION LAMP ASSEMBLY LEFT FRONT FASCIA MULTI-FUNCTION LED CONTROL MODULE LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP BALLAST LEFT HEADLAMP MULTI-FUNCTION LED LEFT HEADLAMP MULTI-FUNCTION LED CONTROL MODULE LEFT HIGH BEAM SOLENOID ACTUATOR LEFT LOW BEAM HEADLAMP LOW REF LOW SPD GMLAN SER DATA LT HID FUSE NCA WIRE OFF POWER DISTRIBUTION SYSTEM REAR BODY FUSE BLOCK RED WIRE RED/GRY WIRE RT HID FUSE TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK VOLT WHT WIRE WHT/BLU WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE

AIR CONDITIONING SYSTEM AMBIENT LIGHT SENS SIG AMBIENT LIGHT/ SUNLOAD SENSOR AUTO AUXILIARY UNDERHOOD FUSE BLOCK BATT POS VOLT BATTERY FUSE BLOCK BCM 3 FUSE BCM 4 FUSE BLK WIRE BLK/GRN WIRE BLU/BRN WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DRL CTRL DRL SPLY FLASH TO PASS FUSE 6 GRN WIRE GRN/BRN WIRE GRY WIRE GRY/BLU WIRE HDLP DIMMER SW HI BEAM SIG HDLP HI BEAM RLY CTRL HDLP HI LT/RT FUSE HDLP SW FLASH TO PASS SIG HDLP SW OFF SIG HDLP SW ON SIG HEAD PARK HEADLAMP HIGH BEAM RELAY HOT AT ALL TIMES HVAC CONTROL MODULE LEFT FRONT FASCIA MULTI- FUNCTION LED LEFT FRONT FASCIA MULTI-FUNCTION LAMP ASSEMBLY LEFT FRONT FASCIA MULTI-FUNCTION LED CONTROL MODULE LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP MULTI-FUNCTION LED LEFT HEADLAMP MULTI-FUNCTION LED CONTROL MODULE LEFT HIGH BEAM SOLENOID ACTUATOR LEFT LOW BEAM HEADLAMP LH LOW BEAM HEADLAMP DRL CTRL LOW REF LOW SPD GMLAN SER DATA NCA WIRE OFF POWER DISTRIBUTION SYSTEM REAR BODY FUSE BLOCK RED WIRE RED/BLU WIRE RED/GRY WIRE RH LOW BEAM HDLP DRL CTRL TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK VOLT WHT WIRE WHT/BLU WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE

5 VOLT REF BCM 1 FUSE BCM 2 FUSE BCM 5 FUSE BCM 6 FUSE BLK WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM DATA BUS 8 DIM SIG DIM SW LOW REF DIM SW SIG DOME LAMP SWITCH DRIVER MIRROR CONTROL MODULE DRIVER WINDOW SWITCH GARAGE DOOR OPENER GND INDICATOR DIM CTRL GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE HEAD HEAD-UP DISPLAY SWITCH HI SPD GMLAN SER DATA - HOT AT ALL TIMES IGNITION MODE SWITCH INFO DISPLAY MODULE INSTRUMENT PANEL DIMMER SWITCH INSTRUMENT PANEL FUSE BLOCK LED BACKLIGHT DIMM CTRL LEFT FRONT DOME/ READING LAMPS LEFT STEERING WHEEL CONTROLS SWITCH LOGIC LOW REF NETWORK BUS 3 NETWORK BUS 9 ORG/BLK WIRE OUTSIDE REAR VIEW MIRROR SWITCH PARK AUTO OFF PARK BRAKE CONTROL SWITCH PARK LP SIG PNK WIRE PPL REAR BODY FUSE BLOCK REAR WINDOW SUNSHADE SWITCH RED/BRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOME/ READING LAMPS RIGHT STEERING WHEEL CONTROLS SWITCH STEERING WHEEL HEATING CONTROL MODULE SUNROOF SWITCH TURN SIGNAL/ MULTI-FUNCTION SWITCH W/ UNIVERSAL GARAGE DOOR WHT WIRE YEL WIRE YEL/GRY WIRE

6.2L EXCEPT 6.2L UP LEVEL MID LEVEL W/ MULTI COLOR STANDARD GRAPHICS ACCESSORY WAKEUP SERIAL DATA BATT POSITIVE VOLT BCM 6 FUSE BLK WIRE BLK/ORG WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SWITCH (ON BRAKE FLUID RESERVOIR) BRAKE IND LOGIC BRK FLUID LVL SENS SIG BRN WIRE COMPUTER DATA LINES SYSTEM DISPLAY DRIVER DOOR LATCH ASSEMBLY DRIVER SEAT BELT SW SIG DRIVER SEAT BELT SWITCH DRIVER SEAT BELT BUCKLE DRV SEAT SW LOW REF ELECTRONIC BRAKE CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) GRN/BRN WIRE GRN/GRY WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE HDLMPS OFF SIG HDLMPS ON SIG HEAD HI SPD GMLAN SER DATA (-) 2 HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (UNDER CENTER FLOOR CONSOLE) INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT REAR DOOR LATCH ASSEMBLY LF DOOR AJAR SW SIG LO SPD GMLAN SERIAL DATA 2 LOGIC DRIVER WINDOW MOTOR LOGIC LEFT REAR WINDOW MOTOR LOGIC PASSENGER WINDOW MOTOR LOGIC RIGHT REAR WINDOW MOTOR LR DOOR AJAR SW SIG MOST SER DATA (+) MOST SER DATA (-) ETHERNET BUS 7 (+) NETWORK BUS 3 NETWORK BUS 4 OFF ORG/BRN WIRE ORG/VIO WIRE PARK AUTO PARK BRAKE CONTROL SWITCH PARK BRK APPLY SW SIG PARK BRK APPLY SW VOLT REF PARK BRK RELEASE SW SIG PARK BRK SW SIG PARK BRK SW SPLY VOLT PARK IND PARK LAMP SIG PARK RELEASE SW VOLT REF PARKING BRAKE CONTROL MODULE (ABOVE RIGHT SIDE OF REAR SUSPENSION) PASS SEAT BELT SW LOW REF PASS SEAT BELT SW SIG PASSENGER DOOR LATCH ASSEMBLY PASSENGER SEAT BELT SWITCH PASSENGER SEAT BELT BUCKLE RADIO RED/WHT WIRE RF DOOR AJAR SW SIG RIGHT REAR DOOR LATCH ASSEMBLY RR DOOR AJAR SW SIG SEAT BELT IND SERIAL DATA COMMUNICATION ENABLE SUPPLEMENTAL RESTRAINTS SYSTEM TIRE PRESSURE IND TURN SIGNAL/ MULTI-FUNCTION SWITCH VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/RED WIRE