Cadillac STS I (2004-2007) dk grn/wht Wiring diagrams

15 6 LOW SPD GMLAN DATA GROUND 2 19 PNK IGNITION 1 VOLTAGE TRUNK AJAR SIG WIRE 21 22 LOW SPD GMLAN LOW SPD GMLAN 3.6L 4.6L 4 10 BATTERY B+ LOW SPD GMLAN DATA 4 5 15 16 HIGH SPD GMLAN- HIGH SPD GMLAN+ HIGH SPD GMLAN- HIGH SPD GMLAN+ 4 8 GROUND GROUND 5060 5060 COMPUTER DATA LINES SYSTEM 7 9 LOW SPD GMLAN DATA GROUND 9 14 HOOD OPEN SIG HOOD CLOSED SIG PPL BLK WIRE BLK/WHT WIRE CLASS 2 (SDM) COMPUTER DATA LINES SYSTEM DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOOR OPEN SW SIG DOOR OPEN SWITCH DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR MODULE (DDM) ENGINE CONTROLS SYSTEM FRONT PASSENGER DOOR LATCH ASSEMBLY FRONT PASSENGER DOOR MODULE (FPDM) GMLAN SERIAL DATA HOOD AJAR SWITCH (RIGHT FRONT STRUT TOWER) HORN CTRL HORNS SYSTEM HOT AT ALL TIMES HOT W/ IGN 1 RELAY ENERGIZED IGN INSTRUMENT PANEL CLUSTER (IPC) INSTRUMENT PANEL MODULE (IPM) (BEHIND RIGHT SIDE OF DASH) LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR DOOR MODULE (LRDM) LOW SPD GMLAN DATA LT GRN WIRE ORG/BLK WIRE PARK LAMP CTRL PNK WIRE PPL REAR INTEGRATION MODULE (RIM) (UNDER LEFT SIDE OF REAR SHELF) RED/BLK WIRE REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) (UNDER REAR SPEAKER SHELF) RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR FUSE BLOCK (UNDER RIGHT SIDE OF REAR SEAT) RIM FUSE SECURITY IND SPLICE PACK STARTING/ CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TRUNK DIODE TRUNK LID RELEASE ACTUATOR UNDERHOOD FUSE BLOCK (IN ENGINE COMPT, NEXT TO LEFT STRUT TOWER) WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 LOW REF 5 VOLT REF IGNITION 3 VOLT RECIRC DR POS SIG RECIRC DR CNTRL A/C COMP CLUTCH RELAY AMBIENT LIGHT SENSOR SIG BATTERY LED BACKLIGHT DIMMING CNTRL BLK WIRE BLK/WHT WIRE BLOWER FUSE BLOWER RELAY BRN WIRE CCP FUSE COMP CLTCH FUSE COOLANT LEVEL SWITCH SIGNAL MED BLOWER MOTOR CTRL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EVAPORATOR TEMPERATURE SENSOR (INSIDE HVAC CASE, AT EVAPORATOR CORE) GRN WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN RUN OR START HVAC CONTROL MODULE (IN CENTER OF DASH, BELOW RADIO) INSIDE AIR TEMPERATURE SENSOR (ON DASH, RIGHT OF STEERING COLUMN) LEFT SUNLOAD SENSOR SIGNAL LOW REFERENCE LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE PNK 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 WIRE PNK LT WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWER SEAT SYSTEM (HEATED SEAT CIRCUIT) PPL PPL PPL PPL LT PPL/WHT WIRE RECIRC DOOR CTRL RECIRCULATION ACTUATOR (ON HVAC MODULE, LEFT OF BLOWER MOTOR) RED WIRE RED/WHT WIRE RIGHT SUNLOAD SENSOR SIGNAL RUN WIRE SOLID STATE SUNLOAD SENSOR (CENTER OF DASH, IN DEFROST GRILL) TAN WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPARTMENT) WASH NOZ/ AQS FUSE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 LOW REF AIR QUAL HC SENS IGN 1 VOLTAGE AIR QUAL NOX SENS A/C COMPRESSOR CLUTCH A/C DEF AIR QUALITY SENSOR (IF EQUIPPED) (UNDER FRONT FACIA, NEAR CENTER OF GRILLE) BLK WIRE BLOWER CONTROLLER (IN PASS COMPT, UNDER DASH, BEHIND GLOVE BOX) BLOWER MOTOR (UNDER DASH, BEHIND GLOVE BOX) BLOWER MTR FAN CONTROL BLOWER MTR RESISTOR ASSY SUPPLY VOLTAGE BLOWER MTR SPEED CTRL BLU WIRE BRN WIRE COLD DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER AIR TEMPERATURE ACTUATOR (ON LEFT SIDE OF HVAC MODULE) DRY AIR TEMP SIGNAL FRONT PASSENGER AIR TEMPERATURE ACTUATOR (ON RIGHT SIDE OF HVAC MODULE) GROUND GRY WIRE GRY/BLK WIRE HOT HOT W/ IGN 1 RELAY ENERGIZED IGN 1 FUSE LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MODE ACTUATOR (ON TOP LEFT SIDE OF HVAC MODULE) MODE VALVE SIGNAL PASS AIR TEMP SIGNAL PNK 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 WIRE PNK WIRE POWER SEAT SYSTEM (HEATED SEAT CIRCUIT) PPL PPL/WHT WIRE RIGHT REAR FUSE BLOCK (UNDER RIGHT SIDE OF REAR SEAT) SPLICE PACK TAN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

2 1 SERIAL DATA SERIAL DATA 2501 2500 COMPUTER DATA LINES SYSTEM 3.6L 3.6L 4.6L 32 11 25 35 43 42 55 LOW REFERENCE A/C REFRIG PRESS SENSOR A/C CLUTCH RELAY CTRL 38 54 LOW REFERENCE ECT SENSOR SIGNAL 4.6L (3.6L) (IN ENGINE HARNESS, 28 CM FROM MAF SENSOR CONNECTOR) 7 23 55 LOW REFERENCE ECT SENSOR SIGNAL SERIAL DATA A/C REFRIGERANT PRESSURE SENSOR (NEAR THE LEFT FRONT STRUT TOWER) AFTER BOIL FUSE AFTER BOIL HEATER PUMP (4.6L) AFTER BOIL RELAY (4.6L) AMBIENT AIR TEMPERATURE SENSOR (UNDER FRONT FACIA, NEAR CENTER OF GRILLE) BLK WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COOLANT LEVEL SWITCH (IN BOTTOM OF COOLANT RESERVOIR) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (FRONT OF ENGINE, ON RIGHT VALVE COVER) ENGINE CONTROLS SYSTEM ENGINE COOLANT HOT ENGINE COOLANT LOW LEVEL FEED GRY WIRE HI SPEED FAN RELAY HIGH FAN FUSE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER LEFT COOLING FAN (BEHIND RADIATOR) LO SPEED FAN RELAY LOGIC LOW FAN FUSE LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MAIN RELAY MAIN RELAY CTRL HI SPEED FAN RELAY CTRL LOW SPEED FAN RELAY CTRL MESSAGE CENTER ORG/ WIRE ORG/BLK (OR RED/BLK) WIRE ORG/BLK WIRE PNK WIRE RADIO RED WIRE RED/BLK WIRE RIGHT COOLING FAN (BEHIND RADIATOR) RIGHT REAR FUSE BLOCK (UNDER RIGHT SIDE OF REAR SEAT) RTN S/P FAN RELAY S107 (3.6L) (IN ENGINE HARN, 36 CM FROM BRAKE PRESSURE SENSOR CONNECTOR) SERIAL DATA SIG SPLICE PACK TAN (OR BLK/WHT) WIRE TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPARTMENT) WHT WIRE YEL WIRE

2 1 2501 2500 COMPUTER DATA LINES SYSTEM SERIAL DATA SERIAL DATA 3.6L 4.6L A/C COMP CLUTCH RELAY A/C COMPRESSOR CLUTCH A/C REFRIGERANT PRESSURE SENSOR (NEAR THE LEFT FRONT STRUT TOWER) BLK WIRE BLK/WHT WIRE COMP CLTCH FUSE COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (FRONT OF ENGINE, ON RIGHT VALVE COVER) ENGINE CONTROLS SYSTEM FEED GRY WIRE HOT AT ALL TIMES HOT W/ IGN 1 RELAY ENERGIZED IGN 1 FUSE ORG/ WIRE ORG/BLK (OR RED/BLK) WIRE ORG/BLK WIRE PNK WIRE RED WIRE RED/BLK WIRE RIGHT REAR FUSE BLOCK (UNDER RIGHT SIDE OF REAR SEAT) RTN S107 (3.6L) (IN ENGINE HARN, 36 CM FROM BRAKE PRESSURE SENSOR CONNECTOR) SERIAL DATA SIG SPLICE PACK TAN (OR BLK/WHT) WIRE TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPARTMENT) WHT WIRE

BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT W/ PARK LAMP RELAY ENERGIZED INSTRUMENT PANEL MODULE (IPM) (BEHIND GLOVE BOX) IPM/ ALDL FUSE LIC DIMMING FUSE LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/WHT WIRE ORG/ WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE PPL RED WIRE RED/WHT WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) VOLT CHECK FUSE WHT WIRE YEL WIRE YEL/BLK WIRE

ANTI-THEFT SYSTEM BAT POS VOLTAGE BLK WIRE BLK/WHT WIRE BRN/WHT WIRE COURTESY LAMP SPLY VOLTAGE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE EXTERIOR LIGHTS SYSTEM ANTI-THEFT SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM DEFOGGER SYSTEM POWER TOPS SYSTEM GRY WIRE HOOD OPEN SW SIG HOT AT ALL TIMES HOT W/ IGN 1 RELAY ENERGIZED LEFT TURN SIGNAL FUSE LOW SPD GMLAN SERIAL DATA LR STOP/TURN LMP SPLY VOLTAGE LT BLU WIRE LT BLU/WHT WIRE NAVIGATION SYSTEM ORG/BLK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM REAR INTEGRATION MODULE (RIM) (LEFT SIDE OF REAR COMPARTMENT, UNDER REAR SHELF) REAR PARKING ASSIST CHIME SIG RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT REAR FUSE BLOCK (UNDER RIGHT SIDE OF REAR SEAT) RIGHT TURN SIGNAL FUSE RIM FUSE RR TURN SIG LMP SPLY VOLTAGE HOOD CLOSED SW SIG PPL SPLICE PACK TAN WIRE TRUNK AJAR SW SIG TRUNK REL RLY OUTPUT-COIL STANDING LMP RLY FEED TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM EXTERIOR LIGHTS SYSTEM WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 PPL 24 25 PPL 28 29 30 PPL BANK 1 SENSOR 2 BLK WIRE BLK/WHT WIRE BRN WIRE CHARGING CIRCUIT CMP EXHAUST 1 GEN FDC SIG CMP INTAKE 1 CMP INTAKE 2 CMP INTAKE 2 CMP EXHAUST 1 CRANKSHAFT POSITION SENSOR (LEFT SIDE OF ENGINE) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECT SIG ENGINE CONTROL MODULE (ECM) (FRONT OF ENGINE, ON RIGHT VALVE COVER) FUEL INJECTORS GRY WIRE GRY/BLK WIRE HEATED OXYGEN SENSOR BANK 1 SENSOR 1 (ON RIGHT EXHAUST PIPE) HEATED OXYGEN SENSOR BANK 1 SENSOR 2 (DOWNSTREAM OF RIGHT CATALYTIC CONVERTER) HEATED OXYGEN SENSOR BANK 2 SENSOR 1 (ON LEFT EXHAUST PIPE) HEATED OXYGEN SENSOR BANK 2 SENSOR 2 (DOWNSTREAM OF LEFT CATALYTIC CONVERTER) IC 3 CTRL CKP SENS LO IC 4 SIG CKP HI IC 6 CTRL IC 2 CTRL IMRC SIG LOW REF INJ 2 CTRL INJ 1 CTRL INJ 6 CTRL KNOCK SENSOR (BANK 1) (RIGHT SIDE OF ENGINE) KNOCK SENSOR (BANK 2) (LEFT SIDE OF ENGINE) KS 1 SIG KS LOW REF LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK/BLK WIRE PPL PPL CMP INTAKE 1 CMP EXHAUST 2 TAC MTR CTRL PPL/WHT WIRE RED WIRE RED/WHT WIRE TAC MTR CTRL TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TPS SIG 1 BARO SIG WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 PPL 24 25 PPL 28 29 30 PPL BLK WIRE BLK/WHT WIRE BRN WIRE CANISTER VENT FUSE DK GRN WIRE DK GRN/WHT WIRE ECM FUSE ECM/ TCM/ IPC FUSE ECM/TCM FUSE CAM FUSE FUSE FUEL PUMP MOTOR RELAY FUEL PUMP MTR FUSE GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START IGN 1 RELAY IGNITION COIL 1 (REAR OF RIGHT CYL HEAD) IGNITION COIL 2 (FRONT OF LEFT CYL HEAD) IGNITION COIL 3 (CENTER OF RIGHT CYL HEAD) IGNITION COIL 4 (CENTER OF LEFT CYL HEAD) IGNITION COIL 5 (FRONT OF RIGHT CYL HEAD) IGNITION COIL 6 (REAR OF LEFT CYL HEAD) LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MAF FUSE MAIN RELAY NCA WIRE ODD COILS FUSE ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE PRE POST EVEN COILS FUSE RED/WHT WIRE RIGHT REAR FUSE BLOCK (UNDER RIGHT SIDE OF REAR SEAT) SPARK PLUG SPLICE PACK TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) WHT/BLK WIRE YEL WIRE

A/C REFRIGERANT PRESSURE SENSOR (NEAR LEFT FRONT STRUT TOWER) BAROMETRIC PRESSURE SENSOR (LEFT REAR CORNER OF UPPER INTAKE MANIFOLD) BLK WIRE BLK/WHT WIRE BRN WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE COOLANT TEMPERATURE SENSOR (CENTER OF LEFT CYL HEAD) EVAP CANISTER PURGE SOLENOID VALVE (RIGHT SIDE OF ENGINE) GRY WIRE LOW REF LT GRN WIRE MASS AIR FLOW (MAF), INTAKE AIR TEMPERATURE (IAT) SENSOR (IN AIR INTAKE DUCT) ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE RED/BLK WIRE RED/WHT WIRE SIGNAL TAN WIRE TAN/WHT WIRE THROTTLE POSITION SENSOR (ON THROTTLE BODY) WHT/BLK WIRE YEL WIRE