Cadillac CTS II (2007-2014) coupe, sedan Wiring diagrams

16 17 DATA BUS+ DATA BUS- 21 22 DATA BUS - DATA BUS + 6 7 DATA BUS - DATA BUS + 8 9 DATA BUS (+) DATA BUS (-) ACC WAKE-UP SER DATA BODY CONTROL MODULE (BCM) (CENTER OF DASH, COM ENABLE SERIAL DATA COUPE, SEDAN DATA BUS - DATA BUS - DATA BUS+ DATA BUS+ DATA BUS- DATA BUS- DATA LINK RESISTOR (LEFT SIDE OF LUGGAGE COMPT) DK BLU WIRE DK GRN WIRE ELECTRONIC SUSPENSION CONTROL (ESC) EXCEPT AWD EXCEPT AWD, W/O PEDESTRIAN PROTECTION, ONSTAR W/ PEDESTRIAN PROTECTION FUEL PUMP FLOW CONTROL MODULE (RIGHT REAR OF LUGGAGE COMPT) FUEL SYSTEM CONTROL MODULE LO SPD GMLAN SERIAL DATA LOCAL INTERCONNECT NETWORK 3 LT BLU WIRE MODULE (LEFT SIDE OF LUGGAGE COMPT) PARKING BRAKE CONTROL MODULE SEAT) SEDAN, COUPE SERIAL DATA COM ENABLE TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) W/ ELECTRONIC PARKING BRAKE W/ HIGH INTENSITY DISCHARGE W/ ONSTAR W/O ELECTRONIC PARKING BRAKE W/O PEDESTRIAN PROTECTION WAGON

16 17 DATA BUS+ DATA BUS- 21 22 DATA BUS - DATA BUS + 6 7 DATA BUS - DATA BUS + 8 9 DATA BUS (+) DATA BUS (-) ACC WAKE-UP SER DATA BODY CONTROL MODULE (BCM) (CENTER OF DASH, COM ENABLE SERIAL DATA COUPE, SEDAN DATA BUS - DATA BUS - DATA BUS+ DATA BUS+ DATA BUS- DATA BUS- DATA LINK RESISTOR (LEFT SIDE OF LUGGAGE COMPT) DK BLU WIRE DK GRN WIRE ELECTRONIC SUSPENSION CONTROL (ESC) EXCEPT AWD EXCEPT AWD, W/O PEDESTRIAN PROTECTION, ONSTAR W/ PEDESTRIAN PROTECTION FUEL PUMP FLOW CONTROL MODULE (RIGHT REAR OF LUGGAGE COMPT) FUEL SYSTEM CONTROL MODULE LO SPD GMLAN SERIAL DATA LOCAL INTERCONNECT NETWORK 3 LT BLU WIRE MODULE (LEFT SIDE OF LUGGAGE COMPT) PARKING BRAKE CONTROL MODULE SEAT) SEDAN, COUPE SERIAL DATA COM ENABLE TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) W/ ELECTRONIC PARKING BRAKE W/ HIGH INTENSITY DISCHARGE W/ ONSTAR W/O ELECTRONIC PARKING BRAKE W/O PEDESTRIAN PROTECTION WAGON

16 17 DATA BUS+ DATA BUS- 22 21 DATA BUS + DATA BUS - 25 24 39 40 DATA BUS + DATA BUS - DATA BUS - DATA BUS + 6 7 DATA BUS - DATA BUS + 8 9 DATA BUS (+) DATA BUS (-) ACC WAKE-UP SERIAL DATA BODY CONTROL MODULE (BCM) (CENTER OF DASH, COUPE, SEDAN DATA BUS - DATA BUS - DATA LINK RESISTOR (RIGHT SIDE OF LUGGAGE COMPT) DK BLU WIRE DK GRN WIRE ELECTRONIC SUSPENSION CONTROL (ESC) MODULE (LEFT SIDE OF LUGGAGE COMPT) FUEL PUMP FLOW CONTROL MODULE (RIGHT REAR OF LUGGAGE COMPT) FUEL SYSTEM CONTROL MODULE LO SPD GMLAN SERIAL DATA LO SPD GMLAN SERIAL DATA LOCAL INTERCONNECT NETWORK 3 LT BLU WIRE PARKING BRAKE CONTROL MODULE SERIAL DATA COM ENABLE TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) W/ ELECTRONIC PARKING BRAKE W/ HIGH INTENSITY DISCHARGE W/ ONSTAR W/O ELECTRONIC PARKING BRAKE W/O PEDESTRIAN PROTECTION WAGON

6 4 GROUND BATT POSITIVE VOLT 6 4 GROUND BATTERY POSITIVE BLK WIRE COMPUTER DATA LINES SYSTEM COUPE COUPE, SEDAN DK GRN WIRE DR/LCK FUSE DRIVER DOOR LOCK/WINDOW SWITCH DRIVER OUTSIDE REARVIEW MIRROR (AT MIRROR) GMLAN SERIAL DATA HEATED MIRROR ELEMENT HOT AT ALL TIMES HVAC CONTROL MODULE (CENTER OF DASH) LEFT REAR WINDOW DEFOGGER NOISE FILTER LOGIC LOGIC LOW SPEED GMLAN SERIAL DATA NCA WIRE PASSENGER DOOR LOCK/WINDOW SWITCH PASSENGER OUTSIDE REARVIEW MIRROR (AT MIRROR) PPL PPL SUPPLY VOLTAGE REAR DEFOG FUSE REAR DEFOG RELAY REAR DEFOG RLY CTRL REAR DEFOGGER GRID INLINE FUSE REAR FUSE BLOCK PDM FUSE (RIGHT REAR OF LUGGAGE COMPT) REAR REAR DEFOGGER DEFOGGER IND SWITCH RADIO/HVAC CONTROLS REAR WINDOW DEFOGGER GRID REAR WINDOW DEFOGGER NOISE COIL REAR WINDOW DEFOGGER RELAY RED/BLK WIRE RED/WHT WIRE RIGHT REAR WINDOW DEFOGGER NOISE FILTER SEDAN WAGON SEDAN, COUPE SPLY VOLT TAN WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WAGON WHT WIRE

AUXILIARY POWER RELAY BLK WIRE BLK/WHT WIRE CENTER HIGH MOUNTED STOP LAMP CENTER HIGH MOUNTED STOP LAMP (CHMSL) COUPE COUPE, SEDAN COUPE, SEDAN, WAGON FUEL DR RELSE RELAY GRY WIRE LCK RELAY LEFT LICENSE LAMP NCA WIRE REAR RADIO COMPARTMENT ANTENNA LID INDICATOR LATCH RIGHT LICENSE LAMP REAR WINDOW DEFOGGER RIGHT REAR WINDOW DEFOGGER NOISE FILTER RIGHT TAIL LAMP SEDAN SEDAN WAGON SEDAN, COUPE STOP LAMP RELAY UNLCK RELAY W/ TRANSPARENT GLASS FIXED WAGON WHT WIRE

AUXILIARY BODY CONTROL THEFT MODULE DETERRENT (XBCM) ALARM BLK WIRE COUPE COUPE, SEDAN ELECTRONIC SUSPENSION CONTROL (ESC) MODULE GRY WIRE HEATED STEERING WHEEL HEATED STEERING WHEEL CONTROL MODULE INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INSIDE REAR VIEW MIRROR (ISRVM) LEFT FRONT COURTESY/ READING LAMPS LEFT REAR COURTESY/ READING LAMPS LEFT SUNSHADE LEFT TAIL LAMP ASSEMBLY MODULE (VCIM) (IF EQUIPPED) NCA WIRE RADIO/ HVAC CONTROL RADIO REAR VIEW CAMERA REAR WINDOW DEFOGGER RIGHT FRONT COURTESY/ READING LAMPS RIGHT REAR COURTESY/ READING LAMPS RIGHT SUNSHADE TO GROUND VEHICLE COMMUNICATION INTERFACE W/ CONTINUOUSLY VARIABLE REAL TIME DAMPING MAGNETO RHEOLOGICOY W/ REAR VIEW CAMERA W/O REAR VIEW CAMERA WAGON WHT WIRE YEL 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

AJAR SW SIG BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, COMPUTER DATA LINES SYSTEM COUPE COUPE, SEDAN DK GRN WIRE DOOR LOCKS SYSTEM DR/LCK FUSE DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER INFORMATION CENTER (DIC) DISPLAY INSTRUMENT PANEL CLUSTER (IPC) EXTERIOR REAR COMPARTMENT LID RELEASE SWITCH FUEL DOOR RELEASE ACTUATOR (IF EQUIPPED) (RIGHT REAR OF LUGGAGE COMPT) FUEL DR RELSE RELAY GRY WIRE HOT AT ALL TIMES INTERIOR REAR COMPARTMENT LID RELEASE SWITCH LAMPS CTRL LCK RELAY LOGIC LOW SPEED GMLAN SERIAL DATA LOW GMLAN SERL DATA LT GRN WIRE MTR RELEASE CTRL PNK RELEASE SW WIRE PNK WIRE PNK/BLK WIRE PPL/WHT WIRE REAR COMPARTMENT LID LATCH REAR FUSE BLOCK REAR FUSE BLOCK (RIGHT REAR OF LUGGAGE COMPT) RED WIRE RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) (W/ REMOTE START) (COUPE/SEDAN: RIGHT RKE/PASS KEY/MDL FUSE SEDAN SEDAN, COUPE SERL DATA SIDE OF REAR SHELF) (WAGON: LEFT REAR OF ROOF) SOLENOID CTRL TAN WIRE TAN/WHT WIRE TRNK REL CTRL TRUNK RELSE FUSE TRUNK RELSE RELAY TRUNK/RELSE RELAY (COUPE) UNLK RLY CTRL W/ REMOTE START WHT WIRE YEL WIRE