Cadillac STS I facelift (2007-2011) blk Wiring diagrams

20 14 23 1 PARK BRAKE SW SIG PARK LAMP ON SW SIG HEADLAMPS ON SIG SPLY VOLT 1 3 4 2 PNK LOW REF DRV SEAT BELT SW SIG LO SPD GMLAN SERIAL DATA WIRE 7 9 5060 351 LO SPD GMLAN SERIAL DATA GROUND AUTO AUTO OFF PARK HEAD B+ AUDIBLE ALARM B+ BLK WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SWITCH BRAKE IND BRN WIRE BRN/WHT WIRE CENTER CONSOLE COMPUTER DATA LINES SYSTEM DK GRN WIRE DRIVER DOOR CONTROL MODULE (DDM) (INSIDE DRIVER'S DOOR) DRIVER DOOR KEY SW SIGNAL GND DOOR AJAR SIGNAL DOOR OPEN SIGNAL DRIVER DOOR LATCH (IN MIDDLE REAR OF DRIVER DOOR) DRIVER SEAT BELT BUCKLE DRIVER SEAT BELT RETRACTOR (LEFT "B" PILLAR) DRIVER SEAT BELT SWITCH ENGINE COOLANT TEMPERATURE IND GMLAN GMLAN SERIAL DATA GRN WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ RUN RELAY ENERGIZED I/P MDL/ ALDL FUSE IGN 3 FUSE INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (UNDER REAR OF INSTRUMENT PANEL CLUSTER (IPC) INSTRUMENT PANEL MODULE (IPM) (RIGHT SIDE OF DASH, BEHIND GLOVE BOX) IPC J/C LEFT REAR FUSE BLOCK (UNDER LEFT SIDE OF REAR SEAT) LOGIC LOW SPEED GMLAN SERIAL DATA LOW TIRE PRESSURE IND LT BLU WIRE LT GRN WIRE OFF PARK HEAD PARK BRAKE SWITCH (AT BASE OF BRAKE PEDAL) PNK WIRE POWER DISTRIBUTION SYSTEM PPL RADIO RED/WHT WIRE SEAT BELT IND SIGNAL GROUND TAN WIRE TAN/WHT WIRE TURN SIGNAL/ MULTI-FUNCTION SWITCH V/CHK FUSE WHT WIRE YEL WIRE

BATTERY POSITIVE VOLT BLK WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DRIVER INFORMATION CENTER (DIC) HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) LANE DEPARTURE IND LOGIC LEFT TURN IND LOW SPD GMLAN SERIAL DATA LT TRN/ LDW FUSE RADIO RED/BLK WIRE RIGHT REAR FUSE BLOCK (UNDER RIGHT SIDE OF REAR SEAT) RIGHT TURN IND VEHICLE DIRECTION ALERT ALARM WARNING MODULE (IN REAR COMPARTMENT)

AIR BAG (BATT) FUSE AIRBAG (IGN) FUSE BLK WIRE BLK/WHT WIRE BRN WIRE CASE GROUND DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRVR PRETENSIONER HIGH DRVR PRETENSIONER LOW GROUND GMLAN SERIAL DATA IGNITION 1 GRY WIRE HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED INFLATABLE RESTRAINT I/P MODULE INDICATOR J/C LEFT INFLATABLE RESTRAINT FRONT END SENSOR (LEFT SIDE OF UPPER RADIATOR SUPPORT) LEFT REAR FUSE BLOCK (UNDER LEFT SIDE OF REAR SEAT) LEFT SEAT BELT PRETENSIONER (INTEGRAL TO DRIVER SEAT BELT BUCKLE) LT GRN WIRE NCA WIRE OFF IND CTRL GND ON IND CTRL SERIAL DATA IGNITION 1 ON IND OFF IND ORG/ WIRE ORG/BLK WIRE PASS PRETENSIONER HIGH PASS PRETENSIONER LOW PASS SEAT BELT SW SIG PASSENGER AIR BAG IND PNK WIRE PPL PPL OCC SENSOR SERIAL DATA PPL PNK WIRE PPL/WHT WIRE RED/WHT WIRE RIGHT REAR FUSE BLOCK (UNDER RIGHT SIDE OF REAR SEAT) RIGHT SEAT BELT PRETENSIONER (INTEGRAL TO FRONT PASSENGER SEAT BELT BUCKLE) SEAT BELT IND SHORTING BAR TAN WIRE TAN/ORG WIRE TAN/WHT WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/WHT WIRE BRN WIRE DK GRN WIRE DK GRN/WHT WIRE GMLAN (SDM) GMLAN (SDM) IGN GMLAN PASS SERIAL SEAT DATA BELT IND GROMMET) GRY WIRE HOT W/ RUN RELAY ENERGIZED IGN 3 FUSE INFLATABLE RESTRAINT STEERING WHEEL MODULE (ON STEERING WHEEL) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INSTRUMENT PANEL CLUSTER (IPC) J/C LEFT REAR FUSE BLOCK (UNDER LEFT SIDE OF REAR SEAT) LOGIC NCA WIRE ORG/ WIRE PASSENGER DOOR CONTROL MODULE (INSIDE PASSENGER'S DOOR) PNK PNK PNK 2 1 10 WIRE PNK WIRE PPL PPL PNK WIRE PPL/WHT WIRE RIGHT FRONT SEAT BELT SWITCH RIGHT FRONT SEAT BELT SWITCH (IN RIGHT FRONT SEAT BELT BUCKLE) RIGHT REAR DOOR CONTROL MODULE (INSIDE RIGHT REAR DOOR) SEAT BELT IND AIR BAG IND SHORTING BAR STAGE 1 STAGE 2 TAN WIRE TAN/WHT WIRE W/ ONSTAR 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 16 17 18 IGN 1 VOLT RECEIVER SPLY VOLT 1 2 3 RECEIVER SPLY VOLT LF TIRE PRESS RECEIVER SIG RECEIVER LOW REF 1 2 3 RECEIVER SPLY VOLT LR TIRE PRESS RECEIVER SIG RECEIVER LOW REF BLK WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE EKM/ IP MDL FUSE GMLAN GMLAN SERIAL DATA GND LF TIRE PRESS RECEIVER SIG RECEIVER LOW REF RF TIRE PRESS RECEIVER SIG GRY WIRE HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED INSTRUMENT PANEL CLUSTER (IPC) LEFT FRONT TIRE PRESSURE RECEIVER (IF EQUIPPED) LEFT REAR TIRE PRESSURE RECEIVER (INSIDE REAR FASCIA PANEL, LOGIC LOW SPD GMLAN SERIAL DATA LOW TIRE PRESSURE INDICATOR LR TIRE PRESS RECEIVER SIG RECEIVER LOW REF LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NEAR LEFT REAR WHEEL) (IF EQUIPPED) ORG/ WIRE PPL PPL RR TIRE PRESS RECEIVER SIG RAIN SNSR/ TPM FUSE RECEIVER LOW REF RECEIVER SPLY VOLT RED WIRE RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) RF TIRE PRESS RECEIVER SIG RIGHT FRONT TIRE PRESSURE RECEIVER (IF EQUIPPED) (BEHIND RIGHT FRONT FENDER) RR TIRE PRESS RECEIVER SIG TIRE PRESSURE MODULE (RIGHT REAR QUARTER, BEHIND TRIM PANEL) UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INPUT SHAFT SPEED (ISS) SENSOR AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) AUTOMATIC TRANSMISSION OUTPUT SHAFT SPEED (OSS) SENSOR AUTOMATIC TRANSMISSION SHIFT LEVER BLK WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DATA BUS (+) DATA BUS (-) IGN VOL DATA BUS (-) DATA BUS (+) DK GRN WIRE ECM, TCM IGN FUSE ECM/ TCM BATT FUSE ECM/TCM SERIAL DATA GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED ISS LOW ISS/OSS HIGH NCA WIRE ORG/BLK WIRE OSS LOW PNK WIRE POWER DISTRIBUTION SYSTEM PPL RED WIRE RED/WHT WIRE TAN WIRE TAN/BLK WIRE TAP UP/ TAP DOWN TRANS ENABLE SWITCH TAP UP/TAP DOWN SW SIG STOP LAMP SW SIG GROUND B+ TAP UP/TAP DOWN SWITCH TRANSMISSION CONTROL MODULE (TCM) TRANSMISSION RANGE SIG TRANSMISSION RANGE SIG A TRANSMISSION RANGE SIG B TRANSMISSION RANGE SIG C TRANSMISSION RANGE SIG P UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE YEL/BLK WIRE

1 3 10 SERIAL DATA GROUND SW SIGNAL BLK WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM 5060 351 5060 DK GRN WIRE DRIVER DOOR CONTROL MODULE (INSIDE DRIVER'S DOOR) DRIVER INFOR- MATION CENTER (DIC) LOGIC DRIVER WINDOW SWITCH EXTERIOR REAR COMPARTMENT LID RELEASE SWITCH GARAGE DOOR OPENER HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) INTERIOR REAR COMPARTMENT LID RELEASE SWITCH J/C LEFT REAR FUSE BLOCK (UNDER LEFT SIDE OF REAR SEAT) LT BLU WIRE ORG/ WIRE ORG/BLK WIRE REAR COMPARTMENT LID LATCH (CENTER REAR OF REAR COMPT LID) REAR HATCH AJAR SWITCH RED/WHT WIRE RELAY CTRL REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) (UNDER REAR SPEAKER SHELF) RIGHT REAR FUSE BLOCK (UNDER RIGHT SIDE OF REAR SEAT) SERIAL DATA SWITCH SIGNAL TAN WIRE TRUNK DIODE TRUNK RELSE RELAY TRUNK RELSE SW FUSE VALET SWITCH WHT WIRE

1 11 20 24 ACC VOLT WIPER SW SIGNAL 2 WIPER SW ON SIGNAL HDLP RELAY CONTROL ACCY RELAY BLK WIRE BRN WIRE DK BLU WIRE GRY WIRE HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY ENERGIZED HTD WASH/AQS FUSE INSTRUMENT PANEL MODULE (IPM) (RIGHT SIDE OF DASH, BEHIND GLOVE BOX) LEFT HEATED WASHER NOZZLE LT GRN WIRE ORG/ WIRE PNK WIRE PPL RAIN SNSR/TPM FUSE RIGHT HEATED WASHER NOZZLE (IF EQUIPPED) TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) W/ HID (W/ TIRE PRESSURE) WASHER FLUID LEVEL SIG WASHER SWITCH WHT WIRE WINDSHIELD WIPER/ WASHER MODULE (LEFT REAR OF ENGINE COMPT, NEAR WINDSHIELD) WINDSHIELD WIPER/WASHER SWITCH WIPER SWITCH WPR FUSE WPR HI RELAY WPR/SW/VICS FUSE YEL WIRE

4 3 2 1 ACC VOLT GROUND SNS SIG 1 SNS SIG 2 BLK WIRE FLUID RESERVOIR) HDLP WASH CIRCUIT BREAKER HEADLAMP WASHER FLUID PUMP (INSIDE WASHER HEADLAMP WASHER FLUID PUMP RELAY (W/ HIGH PRESSURE HEADLAMP WASHER) (MOUNTED TO CORE SUPPORT, IN FRONT OF UNDERHOOD FUSE BLOCK) HOT AT ALL TIMES LT GRN WIRE ORG/ WIRE PPL RED WIRE RED/BLK WIRE TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) WHT WIRE WINDSHIELD OUTSIDE MOISTURE SENSOR (IF EQUIPPED) (BEHIND INSIDE REARVIEW MIRROR) WINDSHIELD WASHER FLUID LEVEL SWITCH (IN WASHER FLUID RESERVOIR) WINDSHIELD WASHER FLUID PUMP (ON SIDE OF WINDSHIELD WASHER RESERVOIR) YEL WIRE

ACC VOLT WIPER SW SIGNAL 2 WIPER SW ON SIGNAL ACCY RELAY BLK WIRE BRN WIRE DK BLU WIRE FUSE GRY WIRE HOT AT ALL TIMES IGN INSTRUMENT PANEL MODULE (IPM) (RIGHT SIDE OF DASH, BEHIND GLOVE BOX) LOGIC WINDSHIELD WIPER INHIBIT RELAY (LEFT REAR NEAR FUSE BLOCK) PPL PPL WIPER MTR HIGH SPEED RAIN SNSR/TPM REAR INTEGRATION MODULE (RIM) (IN LEFT SIDE OF REAR COMPT, UNDER REAR SHELF) UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) WASHER SWITCH WHT WIRE WINDSHIELD WIPER/ WASHER MODULE (LEFT REAR OF ENGINE COMPT, NEAR WINDSHIELD) WINDSHIELD WIPER/WASHER SWITCH WIPER SW SIGNAL 2 WIPER SW SIGNAL 1 GROUND ACC VOLT WIPER SWITCH WPR FUSE WPR HI RELAY WPR/SW/ VICS YEL WIRE