Cadillac CTS II (2007-2014) sedan, coupe 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

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

AUDIO MUTE SIG BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CENTER I/P SPEAKER COUPE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE GROUND GRY WIRE LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER SPEAKER LEFT REAR SPEAKER LF LO LEVEL AUDIO SIG LF SPEAKER OUT - LR LO LEVEL AUDIO SIG LR SPEAKER OUT - LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE PPL REAR SUBWOOFER SPEAKER RED WIRE RED/BLK WIRE REMOTE ENABLE SIG RF LO LEVEL AUDIO SIG RF SPEAKER OUT - RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT FRONT TWEETER SPEAKER (WAGON) RIGHT REAR SPEAKER RR LO LEVEL AUDIO SIG RR SPEAKER OUT + SEDAN SEDAN WAGON SEDAN, COUPE SPEAKER OUT - TAN WIRE WAGON WHT WIRE YEL WIRE

BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRN/WHT WIRE COAX COAX COAX COMPUTER DATA LINES SYSTEM CRUISE CONTROL, TRANSMISSIONS SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GROUND BATT+ VOLT GRY WIRE HOT AT ALL TIMES INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (TOP OF STEERING COLUMN) LEFT STEERING WHEEL CONTROL SWITCH LO SPD GMLAN LO SPD GMLAN SERIAL DATA LO SPD GMLAN SERIAL DATA PPL RADIO CTRL SPLY VOL LT BLU WIRE NCA WIRE ONSTAR FUSE PPL RADIO ANTENNA INDUCTOR (WAGON) (TOP OF LIFTGATE) REAR FUSE BLOCK (RIGHT REAR OF LUGGAGE COMPT) RED/WHT WIRE RIGHT AUDIO SIG RIGHT AUDIO SIG RADIO AUDIO OUT LEFT AUDIO SIG DRAIN WIRE RIGHT STEERING WHEEL CONTROL SWITCH SEDAN, COUPE SEEK DOWN SEEK UP SOURCE PPL SPLY VOLT STEERING WHL CTRL SIG TELEVISION ANTENNA AMPLIFIER TELEVISION REAR GLASS ANTENNA TELEVISION TUNER (W/ INFOTAINMENT SYSTEM 7, 8) TRANSMISSIONS SYSTEM VOICE PPL VOL (-) VOL + (STEERING WHEEL HARNESS) W/ DELUXE STEERING WHEEL WAGAON YEL WIRE

AUDIO MUTE SIG BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CENTER I/P SPEAKER COUPE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE GROUND GRY WIRE LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER SPEAKER LEFT REAR SPEAKER LF LO LEVEL AUDIO SIG LF SPEAKER OUT - LR LO LEVEL AUDIO SIG LR SPEAKER OUT - LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE PPL REAR SUBWOOFER SPEAKER RED WIRE RED/BLK WIRE REMOTE ENABLE SIG RF LO LEVEL AUDIO SIG RF SPEAKER OUT - RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT FRONT TWEETER SPEAKER (WAGON) RIGHT REAR SPEAKER RR LO LEVEL AUDIO SIG RR SPEAKER OUT + SEDAN SEDAN WAGON SEDAN, COUPE SPEAKER OUT - TAN WIRE WAGON WHT WIRE YEL WIRE

BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRN/WHT WIRE COAX COAX COAX COMPUTER DATA LINES SYSTEM CRUISE CONTROL, TRANSMISSIONS SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GROUND BATT+ VOLT GRY WIRE HOT AT ALL TIMES INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (TOP OF STEERING COLUMN) LEFT STEERING WHEEL CONTROL SWITCH LO SPD GMLAN LO SPD GMLAN SERIAL DATA LO SPD GMLAN SERIAL DATA PPL RADIO CTRL SPLY VOL LT BLU WIRE NCA WIRE ONSTAR FUSE PPL RADIO ANTENNA INDUCTOR (WAGON) (TOP OF LIFTGATE) REAR FUSE BLOCK (RIGHT REAR OF LUGGAGE COMPT) RED/WHT WIRE RIGHT AUDIO SIG RIGHT AUDIO SIG RADIO AUDIO OUT LEFT AUDIO SIG DRAIN WIRE RIGHT STEERING WHEEL CONTROL SWITCH SEDAN, COUPE SEEK DOWN SEEK UP SOURCE PPL SPLY VOLT STEERING WHL CTRL SIG TELEVISION ANTENNA AMPLIFIER TELEVISION REAR GLASS ANTENNA TELEVISION TUNER (W/ INFOTAINMENT SYSTEM 7, 8) TRANSMISSIONS SYSTEM VOICE PPL VOL (-) VOL + (STEERING WHEEL HARNESS) W/ DELUXE STEERING WHEEL WAGAON 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