Cadillac CTS II (2007-2014) except 6.2l 6.2l Wiring diagrams

15 14 13 5 VOLT REF LOW REF STP LMP SW SIG 5 VOLT REF A/T ABS IND. BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/YEL WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRAKE BOOSTER VACUUM SENSOR (EXCEPT 6.2L) (ON BOOSTER) BRAKE IND BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL) BRAKE POSITION SENSOR SIGNAL BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY ENGINE CONTROL MODULE (ECM) (EXCEPT 6.2L: LEFT FRONT OF ENGINE COMPT) EXCEPT 6.2L 6.2L GRY WIRE HIGH SPD GMLAN SERIAL DATA HIGH SPEED GMLAN SERIAL DATA BUS + INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (TOP OF STEERING COLUMN) INSTRUMENT PANEL CLUSTER (IPC) LOGIC LOW REF LOW SPD GMLAN SERIAL DATA NCA WIRE ORG/ WIRE ORG/BLK WIRE PARK BRAKE SWITCH (ON PARK BRAKE ASSEMBLY) PARK BRK SW SIG PPL RED WIRE RED/WHT WIRE REMOTE RADIO CTRL SPLY VOLT RIGHT FRONT WHEEL SPEED SENSOR (WSS) (RIGHT FRONT WHEEL HUB ASSEMBLY) RIGHT STEERING WHEEL CONTROL SWITCH SEEK DOWN SEEK UP SOUND SYSTEMS STEERING WHEEL CTRLS SIG TAN WIRE TAN/BLK WIRE TRACTION CONTROL OFF IND TRACTION CONTROL SWITCH LEFT STEERING WHEEL CONTROL SWITCH (6.2L) TRACTION CONTROL SWITCH RADIO/HVAC CONTROL (EXCEPT 6.2L) TRACTION CTRL SW SIG TRANSMISSIONS, PPL CRUISE CONTROL SYSTEMS (STEERING WHEEL HARNESS) VARIABLE EFFORT STEERING ACTUATOR (POWER STEERING RACK ASSEMBLY) VOICE 1 5 PPL PPL VOL (-) VSC IND WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE

6.2L AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) B+ VOLT BACKUP LAMP SPLY VOLT 9 8 SERIAL DATA - SERIAL DATA + BACKUP LAMP SWITCH (M/T) (RIGHT SIDE OF TRANS- MISSION) BACKUP LAMP SWITCH (M/T) (RIGHT SIDE OF TRANSMISSION) BACKUP LAMPS SPLY VOLT BCM 4 FUSE BLK WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY ENGINE CONTROL MODULE (ECM) (EXCEPT 6.2L: LEFT FRONT OF ENGINE COMPT) EXCEPT 6.2L EXCEPT 6.2L 6.2L GM LAN SER DATA BUS - SIG A GRN WIRE HOT AT ALL TIMES LEFT BACKUP LAMP LEFT TAIL LAMP LOGIC LOGIC INSIDE REARVIEW MIRROR (ISRVM) LT GRN WIRE NCA WIRE ORG/ WIRE PNK/BLK WIRE RED WIRE RIGHT BACKUP LAMP RIGHT TAIL LAMP SERIAL DATA BUS - SERIAL DATA BUS + BACKUP LAMP SW SIG SPLY VOLT TAN WIRE TAN/BLK WIRE TRANS- GM LAN MISSION SER DATA CONTROL BUS + MODULE SIG B SIG C (TCM) UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT WIRE YEL WIRE

16 15 1415 1414 RF TURN SW SIG LF TURN SW SIG 19 4 B+ SERIAL DATA 4 1 5 3 1440 1540 1315 1840 B+ B+ SPLY VOLT B+ 5382 5381 5380 27 43 63 SENS RTN SENS SPLY SENS SIG A/T B+ DETECTION SIG HAZARD SW SIG PARK LAMP ON SIG 20 10 8 PPL 2144 301 BACKUP LAMPS CIRCUIT BCM 4 FUSE BCM 5 FUSE BCM 6 FUSE BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/YEL WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL) BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CONTROL MODULE (ECM) DISPLAY FUSE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE EXCEPT 6.2L 6.2L HAZARD SWITCH HEAD HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) LEFT LEFT BACKUP LAMP LEFT FRONT STRUT TOWER) LEFT FRONT TURN SIGNAL LAMP LEFT TAIL LAMP ASSEMBLY LEFT TAIL/STOP, TURN SIGNAL LAMP LEFT TURN IND LOGIC LOGIC RADIO/HVAC CONTROL LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE PARK AUTO OFF PPL RED/WHT WIRE RIGHT RIGHT FRONT TURN SIGNAL LAMP RIGHT TURN IND SERIAL DATA SERIAL DATA - STP LP SPLY VOLT TAN WIRE TAN/BLK WIRE TRAILER PROVISION (BLUNT CUT) (WAGON) TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT RED/ WIRE WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE

1 2 17 60 40 24 OIL PRESS SENS SIG 5-VOLT REF 1 LOW REF 15 12 14 LR DOOR AJAR SW LIFTGATE AJAR SW RR DOOR AJAR SW 1551 (OR 1500) 18 34 ENG OIL LEVEL SW SIG LOW REF 19 12 PNK 51 46 IGN 1 VOLT MIL CTRL WIRE 24 8 35 55 LOW REF ECT SENS SIG 26 25 9 44 LOW REF FUEL LEVEL SENS SIG 6.2L 6.2L EXCEPT 6.2L BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRN WIRE BRN/WHT WIRE CLOCK COMPUTER DATA LINES SYSTEM DISPLAY DK BLU WIRE DK GRN WIRE DOOR ENGINE COMPT) ENGINE CONTROLS SYSTEM EXCEPT 6.2L EXCEPT 6.2L 6.2L FUEL LEVEL SENSOR ASSEMBLY (IN FUEL TANK) GROUND GRY WIRE HI SPD GMLAN SERIAL DATA BUS + HOT AT ALL TIMES IGN 3 VOLT LIGHTS OFF LIGHTS ON LO SPD GMLAN SERIAL DATA LOCAL INTERCONNECT NETWORK 3 LOGIC LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE NETWORK 2 ORG/ WIRE ORG/BLK WIRE PARK BRAKE SW SIG PARK BRAKE SWITCH (ON PARK BRAKE ASSEMBLY) PASSENGER DOOR LATCH ASSEMBLY (PASSENGER'S PASSENGER DOOR LOCK/ WINDOW SWITCH PNK SECONDARY FUEL LEVEL SENSOR WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PRIMARY FUEL LEVEL SENSOR (IN FUEL TANK) PRIMARY FUEL LEVEL SENSOR FUEL PUMP, SENDER ASSEMBLY (IN FUEL TANK) RADIO/HVAC CONTROL RDO FUSE REAR COMPARTMENT LID LATCH REAR FUSE BLOCK (RIGHT REAR OF LUGGAGE COMPT) RED WIRE RED/WHT WIRE RF DOOR AJAR RIGHT REAR DOOR LATCH (RIGHT REAR DOOR) RVC/SNSR FUSE SECONDARY FUEL LEVEL SENS SIG SECONDARY FUEL LEVEL SENSOR FUEL LEVEL SENSOR ASSEMBLY (IN FUEL TANK) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE WAGON WHT WIRE YEL WIRE

20 52 6.2L EXCEPT 6.2L 6.2L EXCEPT 6.2L 6.2L EXCEPT 6.2L 11 11 AIR BAG FUSE AUDIO AMPLIFIER AUX OUTLET FUSE BATTERY BCM 1 FUSE BCM 2 FUSE BCM 3 FUSE BCM 4 FUSE BCM 5 FUSE BCM 6, 7 FUSE BLK WIRE BODY CONTROL MODULE (BCM) CARGO ACCESSORY POWER OUTLET CNSTR VENT FUSE COUPE ECM FUSE ENGINE CONTROL MODULE (ECM) REAR FUSE BLOCK (RIGHT EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE EXCEPT 6.2L 6.2L FROM ECM FUSE (DIAGRAM 1 OF 8) GENERATOR GENERATOR INLINE FUSE HANDS FREE PHONE ACCOMMODATION CONNECTOR LEFT SIDE OBJECT SENSOR NCA WIRE ONSTAR FUSE PREMIUM AUDIO BRANDED W/ SURROUND AMPLIFIER SPEAKER SYSTEM RADIO RIGHT SIDE OBJECT SENSOR RADIO/ HVAC CONTROL RADIO/ HVAC DISPLAY (INFOTAINMENT SYSTEM 5.1/007/008) RDO FUSE RDO/ SPKR FUSE REAR OF LUGGAGE COMPT) AMP FUSE REAR SUBWOOFER SPEAKER REAR/WNDW CIRCUIT BREAKER (SEDAN/WAGON) RED WIRE RED/WHT WIRE RIGHT REAR WINDOW SWITCH RKE/ PASS KEY/ MDL FUSE RVC FUSE STARTER MOTOR TELEVISION TUNER (W/ INFOTAINMENT SYSTEM 007/008) TO AUX/ OUTLET FUSE (DIAGRAM 1 OF 8) TO BLWR FUSE (DIAGRAM 3 OF 8) TO LIFTGATE MODULE (LGM) INLINE FUSE (DIAGRAM 8 OF 8) TO REAR DEFOGGER GRID INLINE FUSE (DIAGRAM 8 OF 8) TO REAR FUSE BLOCK DR/LCK FUSE (DIAGRAM 3 OF 8) TO REAR FUSE BLOCK PWR/CLMN CIRCUIT BREAKER (DIAGRAM 2 OF 8) VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (W/ ONSTAR) W/ COMMUNICATION SYSTEM WIRING PROVISIONS W/ INFOTAINMENT SYSTEM 7,8, 5.1 W/O INFOTAINMENT SYSTEM 7,8, 5.1 W/ PASSIVE W/O PASSIVE ENTRY ENTRY WAGON WHT WIRE

6.2L 6.2L EXCEPT 6.2L 40 72 BLK WIRE BRAKE BOOSTER PUMP RELAY (EXCEPT 6.2L) BRN WIRE ECM FUSE ENGINE CONTROL MODULE (ECM) EVEN COILS FUSE EXCEPT 6.2L EXCEPT 6.2L 6.2L EXCEPT 6.2L 6.2L 36 51 FROM HDM WASH FUSE (DIAGRAM 4 OF 8) FROM ODD COILS FUSE (DIAGRAM 6 OF 8) FUEL FUEL INJECTOR INJECTOR FUEL INJECTOR FUEL INJECTOR 1 FUEL INJECTOR 3 FUEL VEHICLE SPEED SENSOR INJECTOR (VSSS) (M/T) IGNITION COIL 1 IGNITION COIL 1 IGNITION COIL 5 PNK/ WIRE IGNITION COIL 3 IGNITION COIL 4 IGNITION COIL 5 IGNITION COIL 7 IGNITION COIL 8 IGNITION IGNITION COIL 4 COIL 6 IGNITION IGNITION IGNITION COIL 2 COIL 6 COIL 2 ODD COILS FUSE EXCEPT 6.2L 6.2L OF UNDERHOOD FUSE BLOCK) PNK PNK PNK PNK WIRE PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PWR/TRN RELAY TO CIGAR APO FUSE (DIAGRAM 8 OF 8) TO EMIS 2 FUSE (DIAGRAM 7 OF 8) TO EVEN COILS FUSE (DIAGRAM 6 OF 8) TOSS/BRK VAC RLY FUSE UNDERHOOD FUSE BLOCK