Cadillac CTS II (2007-2014) (top right of engine) Wiring diagrams

3.0L, 3.6L 6.2L ACC VOLT ACCESSORY WAKEUP SERIAL DATA AUTOMATIC TRANSMISSION ASSEMBLY AUTOMATIC TRANSMISSION FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR AUTOMATIC TRANSMISSION INPUT SHAFT SPEED SENSOR (ISS) AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) AUTOMATIC TRANSMISSION OUTPUT SHAFT SPEED SENSOR (OSS) B+ GND BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRN WIRE COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DK BLU WIRE DK GRN WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY ECM/TCM IGN FUSE ENABLE SWITCH AUTOMATIC TRANSMISSION MANUAL SHIFT SWITCH FUSE GMLAN GMLAN SERIAL DATA BUS + GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) TCM BATT HOT W/ IGN 1 RELAY ENERGIZED IGN IGN LOCK SIG IGNITION SWITCH INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (TOP OF STEERING COLUMN) INSTRUMENT CLUSTER ISS/OSS ISS CTRL SIG LEFT AUTOMATIC TRANSMISSION MANUAL SHIFT SWITCH (IF EQUIPPED) LOGIC LOW REF OFF ORG/BLK WIRE OSS SENS P/N SIG PC 1 SOLENOID PC 2 SOLENOID PC 3 SOLENOID PC 4 SOLENOID PC 5 SOLENOID PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL 9 3 PPL CRUISE CONTROL, SOUND SYSTEMS PPL REMOTE RADIO CTRL SPLY VOL PPL TAP UP/TAP DOWN SW SIG PRESSURE CONTROL (PC) SOLENOID VALVE 1 PRESSURE CONTROL (PC) SOLENOID VALVE 2 PRESSURE CONTROL (PC) SOLENOID VALVE 3 PRESSURE CONTROL (PC) SOLENOID VALVE 4 PRESSURE CONTROL (PC) SOLENOID VALVE 5 RED WIRE RED/WHT WIRE REMOTE SHIFT SELECTOR SIG RIGHT AUTOMATIC TRANSMISSION MANUAL SHIFT SWITCH RUN WIRE SHIFT SOLENOID (SS) VALVE 1 SHIFT SOLENOID (SS) VALVE 2 SS 1 SS 2 SYSTEM TAN WIRE TAN/BLK WIRE TAP UP/ DOWN SWITCH TCC SOLENOID TFP 1 TFP 3 TFP 4 TFP 5 TFT TORQUE CONVERTER CLUTCH (TCC) PRESSURE CONTROL (PC) SOLENOID VALVE TRANS.) TRANSMISSION CONTROL MODULE (TCM) TRANSMISSION SHIFT LEVER TRNS TRNS GND RANGE RANGE SIG C SIG P TRNS TRNS RANGE RANGE SIG A SIG B W/O REMOTE START WAKEUP SERIAL DATA BUS (+) DATA BUS (-) IGN 1 VOLT DATA BUS (-) DATA BUS (+) WHT WIRE YEL 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

3.0L, 3.6L 6.2L BATTERY BATTERY CURRENT SENSOR BLK WIRE BRAKE FLUID LEVEL SWITCH ELECTRONIC BRAKE CONTROL MODULE (EBCM) EXCEPT 6.2L HORN ASSEMBLY I/P IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 8 IGNITION IGNITION COIL 4 COIL 6 IGNITION IGNITION COIL 7 COIL 5 LEFT FRONT MARKER LAMP LEFT FRONT PARK LAMP LEFT FRONT STRUT TOWER) LEFT FRONT TURN SIGNAL LAMP NCA WIRE ORG/ WIRE W/O HID W/ HID WHT WIRE WINDSHIELD WIPER MOTOR

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

6 7 8 PNK WIRE BLK PNK/ WIRE BLK WIRE BLK/ GRY WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION (CMP) SENSOR COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE FUEL INJECTORS (TOP OF RIGHT CYLINDER BANK) FUEL PUMP/ SENDER ASSEMBLY (IN FUEL TANK) GND B+ IGN MALFUNCTION INDICATOR LAMP GRY WIRE GRY/BLK WIRE GRY/WHT WIRE INSTRUMENT PANEL CLUSTER (IPC) LOGIC SERIAL DATA KNOCK SENSOR (KS) 2 (RIGHT SIDE OF ENGINE) LOW ENGINE OIL PRESSURE IND LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE NCA WIRE ORG/BLK WIRE PNK 6 7 8 9 10 11 12 13 14 WIRE PNK WIRE PNK/BLK WIRE PPL/WHT WIRE PRIMARY FUEL PUMP, RED WIRE RED/WHT WIRE SECONDARY FUEL PUMP TAN WIRE TAN/WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 PNK PPL WIRE BATT+ VOLT BLK WIRE BRN WIRE CMP SENS SIG SENS SIG COMPUTER DATA LINES SYSTEM DATA BUS - DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE ENGINE CONTROL MODULE (ECM) FUEL INJ 4 CTRL FUEL INJ 8 CTRL FUEL INJ 1 CTRL GND FUEL INJ 6 CTRL IC 2 CTRL IC 6 CTRL IC 3 CTRL FUEL INJ 8 CTRL FUEL INJ 5 CTRL GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES REAR FUSE FSCM FUSE BLOCK (RIGHT REAR OF LUGGAGE COMPT) IAT SENS SIG CKP SENS SIG TP SENS 1 SIG SENS SIG TP SENS 2 SIG MAF SENS SIG IGN 1 VOLT IGNITION COIL 1 IGNITION COIL 3 IGNITION COIL 5 IGNITION COIL 7 LOW REF LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE NCA WIRE NICATION ENABLE SERIAL DATA COMMU- ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE RED/WHT WIRE RLY CTRL SENS SIG SPARK PLUG SPLY VOLT TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSMISSION FLUID TEMPERATURE SENSOR (RIGHT REAR OF TRANSMISSION) WHT/BLK WIRE YEL WIRE YEL/BLK WIRE