Cadillac CTS II (2007-2014) underhood fuse block (right front of engine compt) Wiring diagrams

8 9 DATA BUS (+) DATA BUS (-) AUTOMATIC DAY/NIGHT MIRROR BACKUP LAMP SUPPLY VOLT BACKUP LP SPLY VOLT BATT POSITIVE VOLT KEYPAD SIG KEYPAD SPLY VOLT KEYPAD GREEN LED SIG BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRANCH BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA BUS+ DATA BUS- GND DK GRN/WHT WIRE EMERGENCY IND EMERGENCY SWITCH GROUND HOT AT ALL TIMES HOT W/ IGN 1 RELAY ENERGIZED IGN INSIDE REARVIEW MIRROR (ISRVM) ISRVM FUSE KEYPAD KEYPAD GREEN LED IND KEYPAD RED LED SIG WIRE LOGIC LT GRN WIRE LT GRN/BLK WIRE ON STAR BUTTON ASSEMBLY ONSTAR FUSE ONSTAR IND ONSTAR SWITCH PHONE IND PHONE SWITCH PNK WIRE REAR FUSE BLOCK (RIGHT REAR OF LUGGAGE COMPT) RED LED IND WIRE RED/WHT WIRE TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (BEHIND RIGHT REAR STRUT TOWER) YEL/BLK WIRE

11 12 1137 103 LIGHT SENSOR SIG HDLMPS ON 16 11 23 RLY CTRL RLY, IND CTRL DRL SPLY VOLT 23 16 1970 233 HDLP RLY CTRL PARK BRAKE SW SIG AMBIENT LIGHT/ SUNLOAD SENSOR (TOP CENTER OF DASH) BALLAST BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRL DRL LO BEAM RELAY DRL RT FUSE DRL/LT LO BEAM FUSE FOG FOG LAMPS INDICATOR FOR REAR HEADLIGHT LEVELING SENSOR) FRONT FOG LAMP RELAY FRT FOG FUSE GMLAN SERIAL DATA HEAD HI BEAM RELAY HIGH BEAM INDICATOR HIGH BEAM SOLENOID HIGH BEAM SOLENOID BALLAST HOT AT ALL TIMES HVAC CONTROL MODULE (CENTER OF DASH) INSTRUMENT PANEL CLUSTER (IPC) LEFT DAYTIME RUNNING LAMP, LEFT FRONT FOG LAMP LEFT FRONT STRUT TOWER) LEFT HEADLAMP ASSEMBLY LINES SYSTEM COMPUTER DATA LO REF LOGIC LT DRL RELAY LT GRN/BLK WIRE LT HI BEAM FUSE OFF AUTO PARK ORG/ WIRE ORG/BLK WIRE PARK BRAKE SWITCH (ON PARK BRAKE ASSEMBLY) PNK/WHT WIRE PPL PPL LOW BEAM SPLY VOLT RIGHT DAYTIME RUNNING LAMP RIGHT FRONT FOG LAMP RIGHT HEADLAMP ASSEMBLY RT DRL RELAY RT HI BEAM FUSE RT LO LT LO BEAM BEAM FUSE FUSE SERIAL DATA TAN WIRE TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT WIRE WSW/DRL FUSE YEL WIRE

11 12 1137 103 LIGHT SENSOR SIG HDLMPS ON 16 11 RLY CTRL RLY, IND CTRL AMBIENT LIGHT/ SUNLOAD SENSOR (TOP CENTER OF DASH) BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRN WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE DRL RELAY DRL RT FUSE FOG FOG LAMP INDICATOR FRONT FOG LAMP RELAY FRT FOG FUSE GMLAN SERIAL DATA GRY WIRE HDLP RLY CTRL HEAD HI BEAM RELAY HIGH BEAM INDICATOR HOT AT ALL TIMES HVAC CONTROL MODULE (CENTER OF DASH) INSTRUMENT PANEL CLUSTER (IPC) LEFT FRONT FOG LAMP LEFT FRONT STRUT TOWER) LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LO BEAM DRL FUSE LO BEAM RELAY LO REF LOGIC LT GRN/BLK WIRE LT HI BEAM FUSE LT LO RT LO BEAM BEAM FUSE FUSE OFF AUTO PARK ORG/ WIRE ORG/BLK WIRE PARK BRAKE SW SIG PARK BRAKE SWITCH (ON PARK BRAKE ASSEMBLY) PNK/WHT WIRE PPL PPL LO BEAM SPLY VOLT RIGHT FRONT FOG LAMP RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP RT HI BEAM FUSE SERIAL DATA TAN/WHT WIRE TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT WIRE WIPER/WASHER SYSTEM YEL WIRE

AFS FUSE BLK WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA BUS - DATA BUS - GRY WIRE GRY/BLK WIRE HEADLAMP CONTROL MODULE (FRONT OF ENGINE COMPT) HOT AT ALL TIMES LEFT HEADLAMP LEFT HEADLAMP LEVELING ACTUATOR LH HEADLAMP LEVL MTR LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE NEAR HEADLIGHT MOTOR) ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK/BLK WIRE PPL/WHT WIRE RED/BLK WIRE RH HEADLAMP LEVL MTR GND RH HEADLAMP LEVL MTR RH HEADLAMP LEVL MTR RH HEADLAMP LEVL MTR RIGHT HEADLAMP RIGHT HEADLAMP LEVELING ACTUATOR TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) YEL/BLK WIRE

BLK WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, DK GRN WIRE HIGH NOTE HORN HORN ASSEMBLY (LEFT FRONT OF ENGINE COMPT) HORN FUSE HORN RELAY HORN RELAY CTRL HORN SWITCH HOT AT ALL TIMES INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (TOP OF STEERING COLUMN) LEFT FRONT STRUT TOWER) LOW NOTE HORN TAN WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 PNK WIRE 185 1358 897 419 WIPER/WASHER SYSTEM ABS IND. AIR BAG IGN FUSE ECM/TCM IGN FUSE AIR BAG IND BATT POS VOLT IGN 1 VOLT BLK WIRE BLK/WHT WIRE BOOST GAUGE (6.2L) BRAKE IND BRN WIRE BRN/WHT WIRE CHARGE IND COMPUTER DATA LINES SYSTEM COOLANT TEMPERATURE GAUGE (EXCEPT 6.2L) CRUISE IND DISPLY FUSE DK GRN WIRE DK GRN/WHT WIRE DRIVER DOOR LATCH ASSEMBLY (DRIVER'S DOOR) DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER INFORMATION CENTER (DIC) DISPLAY DRIVER INFORMATION CENTER (DIC) SWITCH ENGINE COOLANT TEMPERATURE IND FASTEN SAFETY BELT IND FRONT FOG LAMP IND FUEL LEVEL GAUGE GRY/BLK WIRE HIGH BEAM IND HOT AT ALL TIMES ILLUMINATION (4 BULBS) GROUND IND CTRL SW SIG LO REF IGN INSTRUMENT PANEL CLUSTER (IPC) LEFT REAR DOOR LATCH (LEFT REAR DOOR) LEFT TURN IND LF DOOR AJAR LOGIC LOW TIRE PRESSURE IND LT BLU/BLK WIRE MALFUNCTION IND NETWORK 1 OIL LEVEL IND PARK IND PERSONA- LIZATION PNK PNK WIRE PNK POWER DISTRIBUTION SYSTEM WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE RED WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT TURN IND SECURITY IND SERIAL DATA SPEEDOMETER TACHOMETER TAN WIRE TAN/WHT WIRE TOW/HAUL IND TRACTION CONTROL OFF IND TRANSMISSIONS SYSTEM TRANSMISSIONS SYSTEM COMPUTER DATA LINES SYSTEM TRIP ODOMETER TRIP/ FUEL UP DOWN UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) VEHICLE INFORMATION SET/ RESET VSC IND WHT WIRE YEL WIRE

10 18 SERIAL DATA DIMMING CTRL 2 3 BATT POSS VOLT I/P DIMMER SW SIG BATT POSS VOLT BCM 2 FUSE BCM 7 FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRN/WHT WIRE COMPT) COMPUTER DATA LINES SYSTEM COURTESY LAMP SWITCH DK GRN WIRE DRIVER INFORMATION CENTER (DIC) SWITCH GRY WIRE HEAD HOT AT ALL TIMES I/P DIMMER SWITCH INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (TOP OF STEERING COLUMN) LEFT REAR WINDOW SWITCH LEFT STEERING WHEEL CONTROL SWITCH ORG/WHT WIRE PARK AUTO OFF PARK BRAKE SWITCH (IF EQUIPPED) PARK LP SW ON SIG PNK/BLK WIRE PPL/WHT WIRE RED/WHT WIRE RIGHT REAR WINDOW SWITCH RIGHT STEERING WHEEL CONTROL SWITCH SEDAN WAGON STR/ WHL ILLUM FUSE SUNROOF SHADE SWITCH (W/ TRANSPARENT GLASS FIXED) SUNROOF SWITCH SW ON SIG SW SIG TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) W/ TRANSPARENT GLASS FIXED W/O ELECTRIC GLASS TILTING SUNROOF W/ ELECTRIC GLASS TILTING SUNROOF YEL WIRE

AUXILIARY POWER RELAY BLK WIRE CENTER CONSOLE COMPARTMENT ACCESSORY POWER OUTLET CIGAR APO FUSE CONSOLE APO FUSE DK GRN WIRE DRIVER SEAT BACK VENTILATION HEATING, COOLING MODULE DRIVER SEAT CUSHION VENTILATION HEATING, COOLING MODULE FROM BATTERY (DIAGRAM 1 OF 8) FROM BODY CONTROL MODULE PIN 19 (DIAGRAM 5 OF 8) FROM FUEL PUMP FUSE (DIAGRAM 3 OF 8) FROM ISRVM FUSE (DIAGRAM 7 OF 8) FROM PWR/ TRN RELAY (DIAGRAM 6 OF 8) FRONT CIGAR LIGHTER GRY WIRE HANDS FREE PHONE ACCOMMODATION CONNECTOR HEATED STEERING WHEEL CONTROL MODULE HEATED STEERING WHEEL CONTROL MODULE INLINE FUSE I/P APO RELAY INFLATABLE RESTRAINT STEERING WHEEL CONTROL MODULE COIL INLINE FUSE (COUPE) LIFTGATE MODULE (LGM) LIFTGATE MODULE (LGM) INLINE FUSE (WAGON) MISC IGN FUSE NCA WIRE PASSENGER SEAT BACK VENTILATION HEATING, COOLING MODULE PASSENGER SEAT CUSHION VENTILATION HEATING, COOLING MODULE PNK 1 7 COUPE SEDAN/WAGON WIRE PNK PNK WIRE PNK WIRE REAR ACCESSORY POWER OUTLET REAR DEFOGGER GRID REAR FUSE BLOCK (RIGHT REAR OF LUGGAGE COMPT) REAR WINDOW DEFOGGER RELAY RED WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) W/ COMMUNICATION SYSTEM WIRING PROVISIONS W/ DELUXE STEERING WHEEL, THEFT DETERENT W/ PNK RECARO FRONT BUCKET SEAT WIRE W/ RECARO FRONT BUCKET SEAT W/O DELUXE STEERING WHEEL, THEFT DETERENT W/O RECARO FRONT BUCKET SEAT WHT WIRE

15 18 24 HOOD AJAR SW HORN RLY CTRL PARK LP SPLY 16 15 14 12 LR DOOR OPEN SW LR DOOR AJAR SW RR DOOR AJAR SW LIFTGATE AJAR SW 18 19 PPL 5714 5709 5713 ANTENNA LOW ANTENNA SIG ANTENNA LOW PNK WIRE 8 9 DATA BUS (+) DATA BUS (-) 80 3440 DISTRIBUTION SYSTEM 9 7 DRV DOOR UNLCK DRV DOOR UNLCK ANTENNA SIG BLK WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COUPE DISPLY FUSE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DOOR HANDLE KEYLESS ENTRY ANTENNA DRIVER DOOR HANDLE SWITCH (SEDAN/WAGON) FUEL DOOR RELEASE ACTUATOR (W/ REMOTE CONTROL) (RIGHT REAR OF LUGGAGE COMPT) GRY WIRE HEADLINER KEYLESS ENTRY ANTENNA (WAGON) (CENTER REAR OF ROOF) HOOD AJAR SWITCH (W/ REMOTE START) HORNS SYSTEM EXTERIOR LIGHTS SYSTEM HOT AT ALL TIMES IGNITION SW SIG B+ LEFT KEYLESS ENTRY ANTENNA LEFT REAR DOOR HANDLE SWITCH (SEDAN/WAGON) LEFT REAR DOOR LATCH (SEDAN/WAGON) (LEFT REAR DOOR) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK PASS SW SIG RELEASE CTRL DRV SW SIG GND (OR 5797) 5882 1051 WIRE PNK WIRE PNK/BLK WIRE POWER POWER DISTRIBUTION SYSTEM PPL PPL HOOD SW SIG PPL/WHT WIRE REAR COMPARTMENT KEYLESS ENTRY ANTENNA REAR COMPARTMENT LID LATCH REAR FUSE BLOCK (RIGHT REAR OF LUGGAGE COMPT) RED/WHT WIRE RIGHT REAR DOOR HANDLE SWITCH (SEDAN/WAGON) RIGHT REAR DOOR LATCH (SEDAN/WAGON) (RIGHT REAR DOOR) RKE/PASS KEY/MDL FUSE RR DR HANDLE SW LR DR HANDLE SW SHIFT POS SIG SEDAN SEDAN, WAGON, COUPE SEDAN/WAGON SERIAL DATA SHIFT INTERLOCK SYSTEM TAN WIRE TAN/BLK WIRE TRUNK, TAILGATE, FUEL DOORS SYSTEM UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT WIRE YEL WIRE YEL/BLK WIRE

15 5 CAMERA SIG CAMERA SIG PNK WIRE 43 (OR 639) 851 6973 24 6974 6972 8 16 15 PNK WIRE ACC VOLT BCM 5 FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (CENTER OF DASH) COMPUTER DATA LINES SYSTEM COUPE, SEDAN DK GRN WIRE GROUND DISTRIBUTION SYSTEM HOT AT ALL TIMES HOT W/ IGN 1 RELAY ENERGIZED IGN VOLT SIG GROUND CAMERA SIG - SUPP VOLT DRAIN WIRE CAMERA SIG + INSIDE REARVIEW MIRROR (ISRVM) ISRVM FUSE LO SPD GMLAN SERIAL DATA LT BLU WIRE LT GRN WIRE NCA WIRE PNK 6 7 CAMERA SIG CAMERA SIG WIRE PNK COUPE/SEDAN WIRE PNK POWER DISTRIBUTION SYSTEM WIRE PNK WIRE POWER DISTRIBUTION SYSTEM RADIO REARVIEW CAMERA (CENTER OF LIFTGATE) RED/WHT WIRE SUPP VOLT UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) W/ INFOTAINMENT SYSTEM 1/2/3 W/ INFOTAINMENT SYSTEM 5.1/7/8 WAGON WAGON COUPE, SEDAN YEL WIRE