Cadillac CTS II (2007-2014) tan/blk Wiring diagrams

10 12 7 DATA BUS+ DATA BUS- GND 15 11 6 BATT POSITIVE VOLT KEYPAD SIG KEYPAD SPLY VOLT AUTOMATIC DAY/NIGHT MIRROR BACKUP LAMP SUPPLY VOLT BLK WIRE BLK/WHT WIRE COMPUTER DATA LINES SYSTEM DISPLAY DK GRN WIRE DK GRN/WHT WIRE EMERGENCY IND EMERGENCY SWITCH GARAGE DOOR OPENER (GDO) GROUND HOT AT ALL TIMES HOT AT ALL TIMES THEFT/ UGDO FUSE INSIDE REARVIEW MIRROR (ISRVM) KEYPAD KEYPAD GREEN LED IND KEYPAD GREEN LED IND SIG KEYPAD RED WIRE LED IND SIG B+ LOGIC LT BLU WIRE LT GRN/BLK WIRE LUGGAGE COMPT) NAVIGATION SYSTEM ON STAR BUTTON ASSEMBLY ONSTAR FUSE ONSTAR IND ONSTAR SWITCH PHONE IND PHONE SWITCH PNK WIRE REAR FUSE BLOCK (RIGHT REAR OF RED LED IND WIRE RED/WHT WIRE TAN WIRE TAN/BLK WIRE VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (BEHIND RIGHT REAR STRUT TOWER)

8 9 DATA BUS (+) DATA BUS (-) AUTOMATIC DAY/NIGHT MIRROR BACKUP LAMP SUPPLY VOLT BACKUP LP SPLY VOLT BATT POSITIVE VOLT KEYPAD SIG KEYPAD SPLY VOLT KEYPAD GREEN LED SIG BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRANCH BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA BUS+ DATA BUS- GND DK GRN/WHT WIRE EMERGENCY IND EMERGENCY SWITCH GROUND HOT AT ALL TIMES HOT W/ IGN 1 RELAY ENERGIZED IGN INSIDE REARVIEW MIRROR (ISRVM) ISRVM FUSE KEYPAD KEYPAD GREEN LED IND KEYPAD RED LED SIG WIRE LOGIC LT GRN WIRE LT GRN/BLK WIRE ON STAR BUTTON ASSEMBLY ONSTAR FUSE ONSTAR IND ONSTAR SWITCH PHONE IND PHONE SWITCH PNK WIRE REAR FUSE BLOCK (RIGHT REAR OF LUGGAGE COMPT) RED LED IND WIRE RED/WHT WIRE TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (BEHIND RIGHT REAR STRUT TOWER) YEL/BLK WIRE

8 9 DATA BUS (+) DATA BUS (-) AUTOMATIC DAY/NIGHT MIRROR BACKUP LAMP SUPPLY VOLT BACKUP LP SPLY VOLT BATT POSITIVE VOLT KEYPAD SIG KEYPAD SPLY VOLT KEYPAD GREEN LED SIG BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRANCH BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA BUS+ DATA BUS- GND DK GRN/WHT WIRE EMERGENCY IND EMERGENCY SWITCH GROUND HOT AT ALL TIMES HOT W/ IGN 1 RELAY ENERGIZED IGN INSIDE REARVIEW MIRROR (ISRVM) ISRVM FUSE KEYPAD KEYPAD GREEN LED IND KEYPAD RED LED SIG WIRE LOGIC LT GRN WIRE LT GRN/BLK WIRE ON STAR BUTTON ASSEMBLY ONSTAR FUSE ONSTAR IND ONSTAR SWITCH PHONE IND PHONE SWITCH PNK WIRE REAR FUSE BLOCK (RIGHT REAR OF LUGGAGE COMPT) RED LED IND WIRE RED/WHT WIRE TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (BEHIND RIGHT REAR STRUT TOWER) YEL/BLK WIRE

AFS FUSE BLK WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA BUS - DATA BUS - GRY WIRE GRY/BLK WIRE HEADLAMP CONTROL MODULE (FRONT OF ENGINE COMPT) HOT AT ALL TIMES LEFT HEADLAMP LEFT HEADLAMP LEVELING ACTUATOR LH HEADLAMP LEVL MTR LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE NEAR HEADLIGHT MOTOR) ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK/BLK WIRE PPL/WHT WIRE RED/BLK WIRE RH HEADLAMP LEVL MTR GND RH HEADLAMP LEVL MTR RH HEADLAMP LEVL MTR RH HEADLAMP LEVL MTR RIGHT HEADLAMP RIGHT HEADLAMP LEVELING ACTUATOR TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) YEL/BLK 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

2500 2501 COMPUTER DATA LINES 2500 2501 COMPUTER DATA LINES SYSTEM 2501 2501 2501 1492 5986 6107 6108 COMPUTER DATA LINES SYSTEM 39 40 53 33 HI SPD GMLAN + HI SPD GMLAN - 5 VOLT REF 5-VOLT REF 1 6.2L EXCEPT 6.2L 8 9 HI SPD GMLAN HI SPD GMLAN BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BLU/YEL WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL) BRK POS SENS SIG BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU/BLK WIRE DK GRN WIRE EPB FUSE GRY/RED WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LOGIC DRIVER INFORMATION CENTER (DIC) DISPLAY LOW REF LT BLU WIRE LT BLU/VIO WIRE PARK BRAKE IND PARK BRAKE SWITCH (ON PARK BRAKE ASSEMBLY) PARKING BRAKE CONTROL MODULE RED/BLK WIRE STOP LAMP SW SIG SYSTEM TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/RED 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

1 2 3 4 5 6 7 8 9 10 11 12 13 14 B+ RAP FUSE SPLY VOLT 6.2L EXCEPT 6.2L B+ RAP FUSE SPLY VOLT BLK WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE DN UP GND SUNROOF SW DATA 3 SUNROOF SW DATA 1 GND SUNROOF SW DATA 6 SUNROOF SW DATA 4 PPL GRY WIRE HOT AT ALL TIMES REAR FUSE BLOCK (RIGHT REAR OF S/ROOF FUSE LUGGAGE COMPT) HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (RIGHT FRONT OF SUNROOF FUSE ENGINE COMPT) LOGIC LT BLU WIRE ORG/ WIRE POWER DISTRIBUTION SYSTEM PPL RAP FUSE SUPPLY VOLTAGE RED/WHT WIRE SELECT 2 LOGIC SERIAL SERIAL DATA DATA BUS - BUS + SERIAL DATA SELECT RETURN SERIAL DATA SELECT RETURN SELECT 1 SUNROOF MODULE (REAR OF SUNROOF ASSEMBLY) SUNROOF SHADE MODULE (LEFT REAR OF SUNROOF ASSEMBLY) SUNROOF SHADE SWITCH SUNROOF SWITCH TAN WIRE TAN/BLK WIRE UP DN

1 2 3 4 5 6 7 8 9 10 GROUND 1 2 3 4 5 6 7 8 9 10 GROUND GROUND RAP SUPPLY VOL 5032 3240 7006 PPL SUNROOF SW DATA 6 BATT POS VOL SERIAL DATA 6.2L EXCEPT 6.2L BLK WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES REAR FUSE BLOCK (RIGHT REAR OF S/ROOF FUSE LUGGAGE COMPT) HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (RIGHT FRONT OF SUNROOF FUSE ENGINE COMPT) LOGIC LT BLU WIRE ORG/ WIRE POWER DISTRIBUTION SYSTEM PPL RAP FUSE SUPPLY VOLTAGE RAP VOL RED WIRE RED/WHT WIRE SEDAN SERIAL SERIAL DATA DATA BUS - BUS + SUNROOF MODULE (REAR OF SUNROOF ASSEMBLY) SUNROOF SHADE MODULE (LEFT REAR OF SUNROOF ASSEMBLY) SUNROOF SHADE SWITCH SUNROOF SW DATA 1 SUNROOF SW DATA 3 BATT POS VOL SERIAL DATA SUNROOF SW DATA 4 SUNROOF SWITCH TAN WIRE TAN/BLK WIRE UP DN WAGON

13 14 15 5361 5360 5359 STOP LAMP SW SIG LOW REF 5-VOLT REF 1 3 8 9 1140 2500 2501 BATTERY POS VOLT HI SPD GMLAN + HI SPD GMLAN - 47 68 43 27 5381 5382 5 VOLT REF LOW REF 53 33 2500 2501 HI SPD GMLAN + HI SPD GMLAN - 6.2L EXCEPT 6.2L AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) AUTOMATIC TRANSMISSION SHIFT LEVER AUTOMATIC TRANSMISSION SHIFT LOCK CONTROL SOLENOID BCM 1 FUSE BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BLU/YEL WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL) BRK POS SENS SIG COMPUTER DATA LINES SYSTEM DK GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES ORG/BLK WIRE PARK/NEUTRAL RED WIRE RED/WHT WIRE SHIFT LOCK CTRL SOL TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL SOLENOID VALVE ASSEMBLY CONTROL MODULE (TCM) TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT WIRE WHT/GRN WIRE WHT/RED WIRE