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

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 PNK WIRE ABS IND. AIR BAG IND AUDIBLE ALARM BACKLIGHTING CTRL BACKLIGHTING IND BATT POS VOLT IGN 1 VOLT BLK WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SWITCH BRAKE IND BRN WIRE BRN/WHT WIRE CLASS 2 (ECM) COMPUTER DATA LINES SYSTEM CRUISE CHARGE IND IND DIC SW SIG DIC SW LOW REF DIC TOGGLE SW PASS SEAT BELT PPL IND CTRL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DOOR OPEN SW SIG DRIVER INFORMATION CENTER (DIC) DISPLAY ECM/TCM IGN FUSE EKM/I/P MDL FUSE ENGINE CONTROLS SYSTEM FRONT FOG LAMPS IND FUEL LEVEL GAUGE GMLAN GMLAN (EBCM) GMLAN (ECM) GMLAN (ECM) B+ GMLAN (IPM) GMLAN (RIM) GMLAN (SDM) GMLAN (TCM) GMLAN GMLAN (ECM) (ECM) GMLAN GMLAN (RIM) (IPM) GMLAN SERIAL GROUND GROUND LOW SPD GMLAN DATA HIGH BEAM IND HOT AT ALL TIMES HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) HOT W/ RUN/ CRNK RELAY ENERGIZED HUD FUSE INFLATABLE RESTRAINT I/P MODULE INDICATOR INSTRUMENT PANEL CLUSTER (IPC) IPC LANE DEPARTURE ENGINE WARNING IND COOLANT TEMPERATURE IND LEFT TURN IND LOGIC LOW SPD GMLAN DATA GROUND LOW TIRE PRESSURE IND LT GRN WIRE MALFUNCTION IND OIL LEVEL IND PARK LIGHTS IND PASS SEAT BELT IND PASSENGER DOOR CONTROL MODULE (INSIDE PASSENGER'S DOOR) PASSENGER DOOR LATCH (IN MIDDLE REAR OF LEFT REAR DOOR) PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL SENSOR SIGNAL CHK ENG IND CTRL RED WIRE RED/WHT WIRE RIGHT REAR DOOR CONTROL MODULE (INSIDE RIGHT REAR DOOR) RIGHT TURN IND SEAT BELT IND SECURITY TRACTION IND OFF IND SPEEDOMETER GAUGE TACHOMETER GAUGE TAP UP/ GMLAN DOWN ENABLE (ECM) IND TEMPERATURE GAUGE WHT WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 PNK WIRE ABS IND. AIR BAG IND AUDIBLE ALARM BACKLIGHTING CTRL BACKLIGHTING IND BATT POS VOLT IGN 1 VOLT BLK WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SWITCH BRAKE IND BRN WIRE BRN/WHT WIRE CLASS 2 (ECM) COMPUTER DATA LINES SYSTEM CRUISE CHARGE IND IND DIC SW SIG DIC SW LOW REF DIC TOGGLE SW PASS SEAT BELT PPL IND CTRL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DOOR OPEN SW SIG DRIVER INFORMATION CENTER (DIC) DISPLAY ECM/TCM IGN FUSE EKM/I/P MDL FUSE ENGINE CONTROLS SYSTEM FRONT FOG LAMPS IND FUEL LEVEL GAUGE GMLAN GMLAN (EBCM) GMLAN (ECM) GMLAN (IPM) GMLAN (RIM) GMLAN (SDM) GMLAN (TCM) GMLAN GMLAN (ECM) (ECM) GMLAN GMLAN (RIM) (IPM) GMLAN SERIAL GROUND GROUND LOW SPD GMLAN DATA HIGH BEAM IND HOT AT ALL TIMES HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) HOT W/ RUN/ CRNK RELAY ENERGIZED HUD FUSE INFLATABLE RESTRAINT I/P MODULE INDICATOR INSTRUMENT PANEL CLUSTER (IPC) IPC LANE DEPARTURE ENGINE WARNING IND COOLANT TEMPERATURE IND LEFT TURN IND LOGIC LOW SPD GMLAN DATA GROUND LOW TIRE PRESSURE IND LT GRN WIRE MALFUNCTION IND OIL LEVEL IND PARK LIGHTS IND PASS SEAT BELT IND PASSENGER DOOR CONTROL MODULE (INSIDE PASSENGER'S DOOR) PASSENGER DOOR LATCH (IN MIDDLE REAR OF LEFT REAR DOOR) PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL SENSOR SIGNAL CHK ENG IND CTRL RED WIRE RED/WHT WIRE RIGHT REAR DOOR CONTROL MODULE (INSIDE RIGHT REAR DOOR) RIGHT TURN IND SEAT BELT IND SECURITY TRACTION IND OFF IND TACHOMETER GAUGE SPEEDOMETER GAUGE TAP UP/ GMLAN DOWN ENABLE (ECM) IND TEMPERATURE GAUGE WHT WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 PNK WIRE ABS IND. AIR BAG IND AUDIBLE ALARM BACKLIGHTING CTRL BACKLIGHTING IND BATT POS VOLT IGN 1 VOLT BLK WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SWITCH BRAKE IND BRN WIRE BRN/WHT WIRE CLASS 2 (ECM) COMPUTER DATA LINES SYSTEM CRUISE CHARGE IND IND DIC SW SIG DIC SW LOW REF DIC TOGGLE SW PASS SEAT BELT PPL IND CTRL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DOOR OPEN SW SIG DRIVER INFORMATION CENTER (DIC) DISPLAY ECM/TCM IGN FUSE EKM/I/P MDL FUSE ENGINE CONTROLS SYSTEM FRONT FOG LAMPS IND FUEL LEVEL GAUGE GMLAN GMLAN (EBCM) GMLAN (ECM) GMLAN (IPM) GMLAN (RIM) GMLAN (SDM) GMLAN (TCM) GMLAN GMLAN (ECM) (ECM) GMLAN GMLAN (RIM) (IPM) GMLAN SERIAL GROUND GROUND LOW SPD GMLAN DATA HIGH BEAM IND HOT AT ALL TIMES HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) HOT W/ RUN/ CRNK RELAY ENERGIZED HUD FUSE INFLATABLE RESTRAINT I/P MODULE INDICATOR INSTRUMENT PANEL CLUSTER (IPC) IPC LANE DEPARTURE ENGINE WARNING IND COOLANT TEMPERATURE IND LEFT TURN IND LOGIC LOW SPD GMLAN DATA GROUND LOW TIRE PRESSURE IND LT GRN WIRE MALFUNCTION IND OIL LEVEL IND PARK LIGHTS IND PASS SEAT BELT IND PASSENGER DOOR CONTROL MODULE (INSIDE PASSENGER'S DOOR) PASSENGER DOOR LATCH (IN MIDDLE REAR OF LEFT REAR DOOR) PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL SENSOR SIGNAL CHK ENG IND CTRL RED WIRE RED/WHT WIRE RIGHT REAR DOOR CONTROL MODULE (INSIDE RIGHT REAR DOOR) RIGHT TURN IND SEAT BELT IND SECURITY TRACTION IND OFF IND TACHOMETER GAUGE SPEEDOMETER GAUGE TAP UP/ GMLAN DOWN ENABLE (ECM) IND TEMPERATURE GAUGE WHT WIRE YEL/BLK WIRE

BLK WIRE COMPUTER DATA LINES SYSTEM CONSOLE COURTESY/ READING LAMPS COURTESY LAMP CTRL COURTESY RLY CTRL COURTESY SPLY CTRL DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE FRONT OVERHEAD CONSOLE COURTESY/ READING LAMPS GMLAN SERIAL DATA GRY WIRE HOT AT ALL TIMES I/P COMPART- MENT LAMP I/P COMPARTMENT LAMP SWITCH INT LAMP RELAY INT/ LAMP FUSE LEFT I/P RIGHT I/P COURTESY COURTESY LAMP LAMP LEFT REAR DOOR COURTESY LAMP LEFT SUN- SHADE NCA WIRE ORG/ WIRE PPL REAR COMPART- MENT COURTESY LAMP REAR COMPARTMENT LID RELEASE ACTUATOR REAR INTEGRATION MODULE (RIM) (IN LEFT SIDE OF REAR COMPT, UNDER REAR SHELF) REAR OVERHEAD RIGHT REAR DOOR COURTESY LAMP RIGHT REAR FUSE BLOCK (UNDER RIGHT SIDE OF REAR SEAT) RIGHT REAR FUSE BLOCK (UNDER RIGHT SIDE OF REAR SEAT) TRUNK DIODE RIGHT SUN- SHADE SPLICE PACK WHT WIRE

1 2 5 LFT MIR MTR DN CTRL LFT MIR MTR UP/RT CTRL LFT MIR MTR LFT CTRL BAT POS VOLTAGE BLK WIRE BLK/WHT WIRE BLU WIRE COMPUTER DATA LINES SYSTEM DDM FUSE DK GRN WIRE DK GRN/BLK WIRE DRIVER DOOR CONTROL MODULE (DDM) DRIVER OUTSIDE REARVIEW MIRROR DRIVER WINDOW SWITCH DRVR VERT POS SENS SIG LOW REF DRVR HORIZ POS SENS SIG FEED GROUND GRY WIRE HORIZ MOTOR HORIZ POS SENSOR HOT AT ALL TIMES INSIDE DRIVER DOOR) LEFT HORIZ HORIZ POS SENS LEFT REAR FUSE BLOCK (UNDER LEFT SIDE OF REAR SEAT) LOGIC LOW SPD GMLAN SERIAL DATA LT BLU WIRE LT BLU/BLK WIRE NAVIGATION SYSTEM PPL PPL/BLK WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT HORIZ RTN VERT UP VERT DOWN VERT MOTOR VERT POS SENS VERT POS SENSOR W/ INFOTAINMENT SYSTEM 010 WHT WIRE YEL WIRE

BRN/WHT WIRE CLIMATE CONTROL SEAT MODULE (UNDER RIGHT FRONT SEAT) DK BLU WIRE DK GRN WIRE DRIVER LUMBAR POSITION SENSORS DRIVER SEAT FRONT VERTICAL MOTOR DRIVER SEAT FRONT VERTICAL POSITION SENSOR DRIVER SEAT HORIZONTAL MOTOR DRIVER SEAT HORIZONTAL POSITION SENSOR DRIVER SEAT LUMBAR MOTOR ASSEMBLY (IF EQUIPPED) (IN DRIVER SEAT BACK) DRIVER SEAT REAR VERTICAL MOTOR DRIVER SEAT REAR VERTICAL POSITION SENSOR DRIVER SEAT RECLINE MOTOR ASSEMBLY (UNDER DRIVER SEAT) DRIVER SEAT RECLINE POSITION SENSOR FROM DRIVER SEAT RECLINE MOTOR CONNECTOR) GRY WIRE HORIZONTAL LT BLU WIRE LT GRN WIRE MEMORY POWER TILT, POWER TELESCOPIC CIRCUIT PNK WIRE PPL PWM PWM SERIAL SERIAL DATA DATA RED WIRE TAN WIRE VERTICAL WHT WIRE WHT/BLK WIRE YEL WIRE

1 9 BATT POSITIVE VOLT BATT POSITIVE VOLT 3.6L 4.4L, 4.6L ANTENNA AUX VID BLK WIRE BLK/WHT WIRE BRN WIRE CASE GROUND CELLULAR MICROPHONE SIGNAL DRAIN WIRE 10 2 COAX ANTENNA COAX COAX RADIO ANTENNA COAX COMPUTER DATA LINES SYSTEM (IN REAR COMPT, TO REAR OF LEFT REAR SHOCK TOWER) DK GRN WIRE GRY WIRE HOT AT ALL TIMES INSIDE REARVIEW MIRROR (ISRVM) J/C NCA WIRE PNK PPL WIRE PNK VOICE RECOG SIG VOICE RECOG LOW DRAIN WIRE PNK WIRE PNK/BLK WIRE PPL RADIO RADIO ANTENNA MODULE (ABOVE CENTER RADIO REAR WINDOW ANTENNA RDO/ ONSTAR FUSE REAR OBJECT SENSOR CONTROL MODULE RED WIRE RED/WHT WIRE RH LH AUX AUX AUX DRAIN DRAIN AUD AUD HI DET WIRE WIRE SIG SIG SIG SIG RIGHT REAR FUSE BLOCK (UNDER RIGHT SIDE OF REAR SEAT) VEHICLE SPEED SIG W/ HID HEADLAMPS W/ INFOTAINMENT SYSTEM 012, 014, 015 W/ INTELLIGENT HIGH BEAM CONTROL W/ VEHICLE COMMUNICATION SYSTEM WHT WIRE YEL WIRE

1 3 2 SENSOR SIGNAL SUPPLY VOLTAGE LOW REFERENCE 2 3 1 LOW REFERENCE SUPPLY VOLTAGE SENSOR SIGNAL 2 3 4 5 6 BATT POSITIVE VOLT SERIAL DATA SERIAL DATA GND GND 24 2525 BACKUP LAMP FEED REAR PARKING DIAGNOSTIC SIG 4 2 5 SERIAL DATA BATT POSITIVE VOLT GND 850 1339 GROUND IGN 1 VOLTAGE PNK WIRE BCK/UP LAMP FUSE BCK/UP LAMP RELAY BLK WIRE BRN WIRE CENTER AMBER IND CENTER AMBER IND CTRL LEFT AMBER IND CTRL COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVER DOOR CONTROL MODULE (INSIDE DRIVER'S DOOR) DRIVER OUTSIDE REARVIEW MIRROR FASCIA) GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED IND J/C LED SIG LEFT AMBER IND LEFT REAR CORNER OBJECT ALARM SENSOR (ON LEFT REAR CORNER OF REAR LEFT REAR FUSE BLOCK (UNDER LEFT SIDE OF REAR SEAT) LEFT REAR MIDDLE OBJECT ALARM SENSOR (ON LEFT REAR MIDDLE OF REAR FASCIA) LEFT SIDE OBJECT SENSOR (ON LEFT REAR OF VEHICLE) LT BLU WIRE LT GRN WIRE MIDDLE OBJECT SENSOR CONNECTOR) NAVIGATION CIRCUIT ORG/ WIRE PASSENGER DOOR CONTROL MODULE (INSIDE PASSENGER'S DOOR) PASSENGER OUTSIDE REARVIEW MIRROR PNK WIRE PPL REAR INTEGRATION MODULE (RIM) (IN LEFT SIDE OF REAR COMPT, UNDER REAR SHELF) REAR OBJECT SENSOR CONTROL MODULE REAR PARKING ASSIST (RPA) DISPLAY REAR PARKING ASSIST CHIME SIG RED IND CTRL WIRE RED WIRE RED/WHT WIRE REVERSE RELAY COIL FEED RIGHT REAR CORNER OBJECT ALARM SENSOR (ON RIGHT REAR CORNER OF REAR FASCIA) RIGHT REAR FUSE BLOCK RIGHT REAR MIDDLE OBJECT ALARM SENSOR (ON RIGHT REAR MIDDLE OF REAR FASCIA) RIGHT SIDE OBJECT SENSOR (ON LEFT REAR OF VEHICLE) RIM/RPA/ ISRVM/CLM FUSE RT TRN/ SBZA FUSE SERIAL DATA VEHICLE SPEED SIG WHT WIRE YEL WIRE

1 2 5 RT MIR MTR DN CTRL RT MIR MTR UP/RT CTRL PASS MIR MTR LFT CTRL 2 7 9 BAT POS VOLTAGE LOW SPD GMLAN SERIAL DATA GND 5060 640 351 COMPUTER DATA LINES SYSTEM BAT POS VOLTAGE BLK WIRE BLK/WHT WIRE COMPUTER DATA LINES SYSTEM DDM FUSE DK BLU WIRE DK GRN WIRE DK GRN/BLK WIRE DRIVER DOOR CONTROL MODULE (INSIDE DRIVER'S DOOR) DRIVER WINDOW SWITCH FEED FRT PDM FUSE GROUND GRY WIRE HORIZ MOTOR HORIZ POS SENSOR HOT AT ALL TIMES LEFT HORIZ HORIZ POS SENS LEFT REAR FUSE BLOCK (UNDER LEFT SIDE OF REAR SEAT) LOGIC LOW SPD GMLAN SERIAL DATA LT BLU WIRE LT BLU/BLK WIRE NAVIGATION SYSTEM PASS VERT POS SENS SIG LOW REF PASS HORIZ POS SENS SIG PASSENGER DOOR CONTROL MODULE (INSIDE PASSENGER'S DOOR) PASSENGER OUTSIDE REARVIEW MIRROR PPL PPL/BLK WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT HORIZ RIGHT REAR FUSE BLOCK (UNDER RIGHT SIDE OF REAR SEAT) RTN VERT DOWN VERT MOTOR VERT POS SENS VERT POS SENSOR VERT UP W/ INFOTAINMENT SYSTEM 010 WHT WIRE YEL WIRE

AIR BAG (BATT) FUSE AIR BAG/ IGN BLK WIRE BLK/WHT WIRE BRN WIRE CASE GROUND CLASS 2 (SDM) IGN DK GRN WIRE DRIVER SEAT BELT BUCKLE DRIVER SEAT BELT RETRACTOR (LEFT "B" PILLAR) DRIVER SEAT BELT SWITCH FUSE GMLAN SERIAL DATA GROMMET) HOT AT ALL TIMES HOT W/ RUN RELAY ENERGIZED HOT W/ RUN/CRNK RELAY ENERGIZED IGN 3 FUSE INSTRUMENT PANEL CLUSTER (IPC) J/C LEFT REAR FUSE BLOCK (UNDER LEFT SIDE OF REAR SEAT) LOGIC NCA WIRE PASSENGER SEAT BELT BUCKLE PASSENGER SEAT BELT RETRACTOR (RIGHT "B" PILLAR) PASSENGER SEAT BELT SWITCH PNK WIRE PPL RED/WHT WIRE RIGHT REAR FUSE BLOCK (UNDER RIGHT SIDE OF REAR SEAT) SEAT BELT IND TAN/WHT WIRE