Cadillac CTS II (2007-2014) (right rear shock tower) Wiring diagrams

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

13 9 10 15 RF DOOR AJAR SERIAL DATA LP CTRL HI LP CTRL LO 14 15 RR DOOR AJAR SW LR DOOR AJAR SW 25 10 IC 2 CTRL SERIAL DATA 9 10 15 13 SERIAL DATA LP CTRL HI BCM 2 FUSE BLK WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DRIVER DOOR LATCH (DRIVER'S DOOR) DRIVER DOOR LOCK/WINDOW SWITCH GRY/BLK WIRE HOT AT ALL TIMES I/P COMPARTMENT LAMP I/P COMPARTMENT LAMP SWITCH LEFT CARGO LAMP (WAGON) LEFT FRONT COURTESY/ READING LAMPS LEFT FRONT DOOR COURTESY LAMP LEFT I/P COURTESY LAMP LEFT REAR COURTESY/ READING LAMPS (COUPE, SEDAN) LEFT REAR DOOR (RIGHT COURTESY REAR LAMP SHOCK (SEDAN, WAGON) TOWER) LEFT SUNSHADE LF DOOR AJAR LIFTGATE AJAR SW SIG LP RLY CTRL LP SPLY VOLT LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PASSENGER DOOR LATCH (PASSENGER'S DOOR) PASSENGER DOOR LOCK/WINDOW SWITCH PNK/BLK WIRE PPL READING LAMP READING LAMPS (WAGON) REAR COMPARTMENT COURTESY LAMP (COUPE, SEDAN) REAR COMPARTMENT LID LATCH (COUPE, SEDAN) REAR COMPARTMENT LID LATCH (SEDAN) RED/WHT WIRE RIGHT CARGO LAMP (WAGON) RIGHT FRONT COURTESY/ READING LAMPS RIGHT FRONT DOOR COURTESY LAMP RIGHT I/P COURTESY LAMP RIGHT REAR COURTESY/ READING LAMPS (COUPE, SEDAN) RIGHT REAR DOOR COURTESY LAMP (SEDAN, WAGON) RIGHT SUNSHADE SEDAN WAGON TAN/WHT WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT BCM 7 OF ENGINE FUSE COMPT) W/ DELUXE INTERIOR LAMP PACKAGE WHT WIRE

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

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 1 (FORWARD LAMP HARNESS, NEAR RIGHT COOLING FAN CONNECTOR) BACKUP LAMPS CIRCUIT BLK WIRE BLK) (OR YEL/ WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CENTER HIGH MOUNTED STOP LAMP (CHMSL) DK BLU WIRE DK GRN WIRE HOT AT ALL TIMES LEFT FRONT MARKER LAMP LEFT FRONT PARK LAMP LEFT FRONT STRUT TOWER) LEFT LICENSE LAMP LOGIC LT BLU WIRE LT GRN WIRE LT/POS/ LP RELAY LT/POS/LP FUSE ORG/ WIRE PPL RADIO ANTENNA INDUCTOR (WAGON) REAR FUSE BLOCK (RIGHT REAR OF LUGGAGE COMPT) RIGHT BACKUP LAMP RIGHT FRONT MARKER LAMP RIGHT FRONT PARK LAMP RIGHT LICENSE LAMP RIGHT TAIL LAMP ASSEMBLY RIGHT TAIL/STOP, TURN SIGNAL LAMP RT/POS/LP FUSE TRAILER PROVISION (BLUNT CUT) (WAGON) W/ HID W/O HID W/ VARIABLE REAL TIME DAMPING W/O VARIABLE REAL TIME DAMPING WAGON WAGON SEDAN/COUPE WHT WIRE YEL WIRE

15 18 24 HOOD AJAR SW HORN RLY CTRL PARK LP SPLY 16 15 14 12 LR DOOR OPEN SW LR DOOR AJAR SW RR DOOR AJAR SW LIFTGATE AJAR SW 18 19 PPL 5714 5709 5713 ANTENNA LOW ANTENNA SIG ANTENNA LOW PNK WIRE 8 9 DATA BUS (+) DATA BUS (-) 80 3440 DISTRIBUTION SYSTEM 9 7 DRV DOOR UNLCK DRV DOOR UNLCK ANTENNA SIG BLK WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COUPE DISPLY FUSE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DOOR HANDLE KEYLESS ENTRY ANTENNA DRIVER DOOR HANDLE SWITCH (SEDAN/WAGON) FUEL DOOR RELEASE ACTUATOR (W/ REMOTE CONTROL) (RIGHT REAR OF LUGGAGE COMPT) GRY WIRE HEADLINER KEYLESS ENTRY ANTENNA (WAGON) (CENTER REAR OF ROOF) HOOD AJAR SWITCH (W/ REMOTE START) HORNS SYSTEM EXTERIOR LIGHTS SYSTEM HOT AT ALL TIMES IGNITION SW SIG B+ LEFT KEYLESS ENTRY ANTENNA LEFT REAR DOOR HANDLE SWITCH (SEDAN/WAGON) LEFT REAR DOOR LATCH (SEDAN/WAGON) (LEFT REAR DOOR) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK PASS SW SIG RELEASE CTRL DRV SW SIG GND (OR 5797) 5882 1051 WIRE PNK WIRE PNK/BLK WIRE POWER POWER DISTRIBUTION SYSTEM PPL PPL HOOD SW SIG PPL/WHT WIRE REAR COMPARTMENT KEYLESS ENTRY ANTENNA REAR COMPARTMENT LID LATCH REAR FUSE BLOCK (RIGHT REAR OF LUGGAGE COMPT) RED/WHT WIRE RIGHT REAR DOOR HANDLE SWITCH (SEDAN/WAGON) RIGHT REAR DOOR LATCH (SEDAN/WAGON) (RIGHT REAR DOOR) RKE/PASS KEY/MDL FUSE RR DR HANDLE SW LR DR HANDLE SW SHIFT POS SIG SEDAN SEDAN, WAGON, COUPE SEDAN/WAGON SERIAL DATA SHIFT INTERLOCK SYSTEM TAN WIRE TAN/BLK WIRE TRUNK, TAILGATE, FUEL DOORS SYSTEM UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT WIRE YEL WIRE YEL/BLK WIRE

1491 6190 51 PNK WIRE 2 9 5881 901 LF DOOR HANDLE IC 2 CTRL 2 9 RF DOOR HANDLE IC 2 CTRL 3 7 8 9 11 10 13 15 NETWORK 2 DOOR LCK DOOR LATCH SERIAL DATA 6 4 GND B+ 7 1 3 BACKLIGHT LP RELEASE SIG GND BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COAX COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM INTERIOR COUPE DK BLU WIRE DK GRN WIRE DR/LCK FUSE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES KEYLESS ENTRY ANTENNA LF DOOR HANDLE LIGHTS SYSTEM LOCK LOGIC DRIVER DOOR LOCK/ WINDOW SWITCH LOGIC PASSENGER DOOR LOCK/ WINDOW SWITCH LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PASSENGER DOOR HANDLE SWITCH (SEDAN/WAGON) PASSENGER DOOR LATCH (PASSENGER'S DOOR) PDM FUSE PNK ENTRY WIRE PNK RF DOOR HANDLE WIRE PNK W/O PASSIVE ENTRY WIRE PNK WIRE REAR FUSE BLOCK (RIGHT REAR OF LUGGAGE COMPT) RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) (W/O PASSIVE ENTRY) RF DR SW SIG COURTESY LP HI RF DOOR AJAR COURTESY LP LO RIGHT FRONT DOOR HANDLE SEDAN/WAGON TAN WIRE TAN/WHT WIRE TRUNK, TAILGATE, FUEL DOORS SYSTEM UNLOCK UNLOCK 6 4 GND B+ W/ DELUXE INTERIOR LAMP PACKAGE W/ PASSIVE W/ PASSIVE ENTRY W/O PASSIVE ENTRY W/O PASSIVE ENTRY W/O PASSIVE PNK ENTRY PNK PNK W/ PASSIVE ENTRY WIRE WHT RED/ WIRE WHT WIRE YEL WIRE YEL/BLK 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

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

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