Cadillac CTS II (2007-2014) blk 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

AWD FUSE BATT GROUND BLK WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER INFORMATION LOGIC CENTER (DIC) ECM, TCM IGN FUSE GMLAN HOT AT ALL TIMES HOT W/ IGN 1 RELAY ENERGIZED INSTRUMENT PANEL CLUSTER (IPC) MODULE (BCM) PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 OIL TEMP SENS SIG PPL/WHT WIRE RED/WHT WIRE RESISTOR SIG SERIAL DATA BUS (+) SERIAL DATA BUS (-) TAN WIRE TAN/BLK WIRE TRANSFER CASE CLUTCH COIL (REAR OF TRANSFER CASE) TRANSFER CASE FLUID TEMPERATURE SENSOR (REAR OF TRANSFER CASE) TRANSFER CASE SHIFT CONTROL MODULE (RIGHT SIDE OF DASH) UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WAKEUP SERIAL DATA YEL/BLK WIRE YEL/WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ON/OFF SW SIG 1 2 3 4 5 6 7 8 9 10 11 12 13 14 MTR OPEN CTRL MTR CLOSE CTRL 1 2 3 4 5 6 MTR OPEN CTRL MTR CLOSE CTRL B+ B+ 1 7 3 SW SIG LAMPS CTRL GROUND BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CLOSE SIG AJAR SW SIG AJAR SW SIG AJAR SW SIG SER DATA OBJECT SENS SIG COMPUTER DATA LINES SYSTEM DISPLY FUSE DK GRN WIRE DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER INFORMATION CENTER (DIC) DISPLAY EXTERIOR LIFTGATE CONTROL SWITCH GROUND GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT AT ALL TIMES LIFTGATE MODULE (LGM) INLINE FUSE (NEAR REAR FUSE BLOCK) INSTRUMENT PANEL CLUSTER (IPC) INTERIOR LIFTGATE CONTROL SWITCH LAMP CTRL LEFT LIFTGATE OBJECT SENSOR (LEFT SIDE OF LIFTGATE) LIFTGATE CLOSE SWITCH LIFTGATE LATCH ASSEMBLY LIFTGATE MODULE (LGM) (RIGHT SIDE OF LIFTGATE) LIFTGATE MOTOR ASSEMBLY (LEFT REAR OF LUGGAGE COMPT) LOGIC LOW REF LT BLU WIRE MAX 3/4 MSM FUSE NCA WIRE OFF PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL/WHT WIRE REAR FUSE BLOCK (RIGHT REAR OF LUGGAGE COMPT) RED/WHT WIRE RIGHT LIFTGATE OBJECT SENSOR SER DATA SW OPEN SIG UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE COMPUTER DATA LINES SYSTEM COUPE DIFF PUMP FUSE DIFFERENTIAL COOLER PUMP DIFFERENTIAL COOLER PUMP RELAY 1 DIFFERENTIAL COOLER PUMP RELAY 2 (COUPE) DIFFERENTIAL TEMPERATURE SWITCH DK GRN WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY ECM/TCM IGN FUSE GMLAN SER DATA HOT AT ALL TIMES HOT W/ IGN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER (IPC) LOGIC OIL TEMP SENS SIG ORG/ WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE REAR DIFFERENTIAL TEMPERATURE SENSOR REAR FUSE BLOCK (RIGHT REAR OF LUGGAGE COMPT) RED/WHT WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT)

3.0L, 3.6L 6.2L 53 33 39 40 SERIAL DATA BUS+ SERIAL DATA BUS- 6.2L 3.0L, 3.6L 8 9 SERIAL DATA BUS+ SERIAL DATA BUS- AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) BATTERY BLK WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, CHARGING CIRCUIT CLUTCH PEDAL POSITION (CPP) SENSOR (M/T) (TOP OF CLUTCH PEDAL ASSEMBLY) CLUTCH POSITION SENS SIG POSITION CLUTCH POSITION SENS RTN COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DK BLU WIRE DK BLU/WHT WIRE DK GRN/ ORG WIRE GRY WIRE IGN LK CYL CTRL ACTR SIG TRANS PARK/NTRL SIG 5-VOLT REF 2 SENS SUPPLY IGNITION SWITCH OFF OFF/RUN/CRANK VOLT ORG/BLK WIRE ORG/DK GRN WIRE POWER DISTRIBUTION SYSTEM PPL RED WIRE RUN WIRE STARTER MOTOR STARTER RELAY STARTER RELAY COIL CTRL STRTR FUSE TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPARTMENT) WHT WIRE WHT/BLK WIRE YEL WIRE

1 1 RF HEAD CURTAIN MOD HIGH CTRL RF HEAD CURTAIN MOD LOW CTRL 13-14, 15-16, 17-18, 37-38, 39-40, 53-54) BLK WIRE BLK/DK BLU WIRE BRN WIRE COUPE DK BLU WIRE DK GRN WIRE DRIVER SEAT BELT BUCKLE PRETENSIONER DRIVER SEAT BELT RETRACTOR PRETENSIONER DRIVER SEAT BELT SWITCH DRIVER SEAT BELT BUCKLE DRV SEAT BELT SW LOW REF PASS SEAT BELT SW LOW REF SEAT BELT SW SIG GRY WIRE INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (UNDER CENTER CONSOLE) LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PASSENGER INFLATABLE RESTRAINT ROOF RAIL MODULE (RIGHT SIDE ROOF RAIL) PASSENGER SEAT BELT RETRACTOR PRETENSIONER (BASE OF RIGHT "B" PILLAR) PASSENGER SEAT BELT SWITCH PASSENGER SEAT BELT BUCKLE PIN SHORTING BARS ENGAGED WHEN MODULE CONNECTOR IS DISCONNECTED FROM HARNESS: PNK WIRE PNK/BLK WIRE PPL/WHT WIRE RIGHT REAR INFLATABLE RESTRAINT SIDE IMPACT SENSOR (RIGHT REAR DOOR) SEDAN/WAGON SHORTING BAR TAN/ORG WIRE TAN/WHT WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK 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

12 8 HDLMPS ON PARK LAMP ON SIG 13 9 RF DOOR AJAR SERIAL DATA 14 15 RR DOOR AJAR SW LR DOOR AJAR SW 8 9 SERIAL DATA BUS+ SERIAL DATA BUS- 9 13 SERIAL DATA LF DOOR AJAR 9 2 4 GROUND BATT POSITIVE VOLT BATT POSITIVE VOLT AUDIO AMPLIFIER (W/ SURROUND AMPLIFIER) (SEDON: REAR OF LEFT REAR STRUT TOWER) BCM 3 FUSE BCM 4 FUSE BLK WIRE BLK/DK BLU WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRAKE FLUID LEVEL SWITCH (ON BRAKE FLUID RESERVOIR) BRAKE IND BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COUPE CRANK VOLT DK BLU WIRE DK GRN WIRE DRIVER DOOR LATCH (DRIVER'S DOOR) DRIVER DOOR LOCK/WINDOW SWITCH DRIVER INFORMATION CENTER (DIC) DISPLAY DRIVER SEAT BELT IND DRIVER SEAT BELT SWITCH DRIVER RADIO/HAVC CONTROL SEAT BELT BUCKLE GRY/BLK WIRE HDLMPS OFF HEAD HOT AT ALL TIMES IGNITION SWITCH IND CTRL INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (UNDER CENTER CONSOLE) INSTRUMENT PANEL CLUSTER (IPC) KEY IN IGN SW SIG KEY-IN IGNITION SWITCH LEFT REAR DOOR LATCH (SEDON, WAGON) (LEFT REAR DOOR) LO SPD GM LAN SERIAL DATA LO SPD GMLAN SERIAL DATA LOGIC LOW TIRE PRESSURE IND LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE OFF ORG/ WIRE ORG/BLK WIRE PARK AUTO PARK AUTO OFF HEAD PARK BRAKE SW SIG PARK BRAKE SWITCH (ON PARK BRAKE ASSEMBLY) PARK IND PASS SEAT BELT IND PASSENGER DOOR LATCH (PASSENGER'S DOOR) PASSENGER DOOR LOCK/WINDOW SWITCH PASSENGER SEAT BELT SWITCH PASSENGER SEAT BELT BUCKLE RADIO RED/WHT WIRE RIGHT REAR DOOR LATCH (SEDON, WAGON) (RIGHT REAR DOOR) RUN WIRE SEDAN/WAGON SWITCH TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) W/ KEYLESS ENGINE W/O KEYLESS ENGINE WHT WIRE

15 7 WINDSHIELD RELAY CTRL WINDSHIELD WIPER MOTOR 3.0L, 3.6L 6.2L 7 20 21 HEADLAMP RELAY CTRL WINDSHIELD SW SIG 2 FR WIPER SW HIGH SIG BLK WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, CENTER (DIC) DISPLAY COMPUTER DATA LINES SYSTEM DK GRN WIRE DK PPL DRIVER INFORMATION DRL WSW FUSE GRN WIRE GRY WIRE HDM WASH FUSE HEAD LAMP WASH RELAY HEADLAMP WASHER FLUID PUMP (IF EQUIPPED) (IN WASHER RESERVOIR) HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) LOGIC LOW IND CTRL LOW SPD GMLAN LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE PPL TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WASHER SWITCH WHT WIRE WINDSHIELD WASHER FLUID LEVEL SWITCH WINDSHIELD WIPER MOTOR (LEFT SIDE OF FIREWALL) WINDSHIELD WIPER/WASHER SWITCH WPR FUSE WPR HI RELAY WPR RELAY WSW PUMP RELAY YEL WIRE

15 7 WINDSHIELD RELAY CTRL WINDSHIELD WIPER MOTOR 3.0L, 3.6L 6.2L 7 20 21 HEADLAMP RELAY CTRL WINDSHIELD SW SIG 2 FR WIPER SW HIGH SIG BLK WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, CENTER (DIC) DISPLAY COMPUTER DATA LINES SYSTEM DK GRN WIRE DK PPL DRIVER INFORMATION DRL WSW FUSE GRN WIRE GRY WIRE HDM WASH FUSE HEAD LAMP WASH RELAY HEADLAMP WASHER FLUID PUMP (IF EQUIPPED) (IN WASHER RESERVOIR) HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) LOGIC LOW IND CTRL LOW SPD GMLAN LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE PPL TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WASHER SWITCH WHT WIRE WINDSHIELD WASHER FLUID LEVEL SWITCH WINDSHIELD WIPER MOTOR (LEFT SIDE OF FIREWALL) WINDSHIELD WIPER/WASHER SWITCH WPR FUSE WPR HI RELAY WPR RELAY WSW PUMP RELAY YEL WIRE