Cadillac STS I (2004-2007) yel/blk 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

4.6L 3.6L BANK 1 SENSOR 1 BLK WIRE DATA LINK CONNECTOR (DLC) (UNDER LOWER LEFT SIDE OF DASH) DISTANCE SENSING CRUISE CONTROL MODULE (BEHIND FRONT FASCIA, NEAR HOOD LATCH) DK GRN WIRE ELECTRONIC SUSPENSION (ESC) CONTROL MODULE (BELOW RIGHT "C" PILLAR) HEADLAMP LEVELING MODULE HIGH SPEED GMLAN DATA WAKE UP HIGH SPEED GMLAN DATA WAKEUP HIGH SPEED GMLAN ECM/ TCM WAKEUP HIGH SPEED GMLAN SERIAL DATA BUS + HOT AT ALL TIMES LOW SPEED GM LAN SERIAL DATA LOW SPEED GMLAN SERIAL DATA RED/WHT WIRE SPLICE TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE (TCM) (RIGHT FRONT CORNER OF ENGINE COMPT) UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPARTMENT) IPM/ ALDL FUSE YEL WIRE YEL/BLK 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

A/C SYSTEM ACCELERATOR PEDAL POSITION SENSOR (TOP OF ACCEL PEDAL) APP SENS SIG 1 PPL BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CLU RLY CTRL MIL CTRL COOLING FANS SYSTEM DATA WAKE-UP DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (FRONT OF ENGINE, ON RIGHT VALVE COVER) EVAP CANISTER VENT SOLENOID VALVE (ABOVE REAR DIFFERENTIAL) FUEL LEV SIG MAF SIG APP SENS 2 SIG FUEL LEVEL SENSOR FUEL PUMP, SENSOR ASSEMBLY GMLAN BUS- GRY WIRE IGN 1 VOLT INSIDE REARVIEW MIRROR INSTRUMENT PANEL CLUSTER (IPC) INSTRUMENT PANEL MODULE (IPM) LAN BUS + LOGIC LOW REF LT BLU WIRE MALFUNCTION INDICATOR LAMP ORG/ WIRE ORG/BLK WIRE P/N SIG EVAP VENT SOL PNK IGN 1 VOLT FAN RLY CTRL WIRE PNK WIRE PNK/BLK WIRE PPL PPL LOW REF A/C REF PRES RLY COIL SUPP IAT SIG TANK PRES SIG PPL/WHT WIRE RADIO RED/BLK WIRE RED/WHT WIRE RLY COIL CTRL BATTERY + RLY CTRL FAN RLY CTRL SECONDARY FUEL LEVEL SENSOR SENSOR 1) 2501 1274 1669 5728 STARTING CIRCUIT TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSMISSION CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) TRANSMISSION MANUAL SHIFT SHAFT SWITCH ASSEMBLY (IN TRANSMISSION) VSS SIG SER DATA BUS MAIN RLY CTRL LOW REF LOW REF FUEL LEV SENS WAKE-UP WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

2500 2501 COMPUTER DATA LINES SYSTEM A/C PRESS LOW REF APP LOW REF APP LOW REF A/C REFRIGERANT PRESSURE SENSOR (NEAR LEFT FRONT STRUT TOWER) A/C SYSTEM ACCELERATOR PEDAL POSITION (APP) SENSOR (ATTACHED TO TOP OF ACCELERATOR PEDAL) APPS 1 SIG VEHICLE SPEED SIG MAF SEN SIG BLK WIRE BRN WIRE BRN/WHT WIRE COOLING FANS SYSTEM 473 5069 DATA WAKE-UP DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM, TCM FUSE ENGINE CONTROL MODULE (ECM) (BELOW LEFT HEADLAMP) EVAP VENT SOL CTNL A/C PRESS SENS SIG EVAPORATIVE EMISSIONS (EVAP) CANISTER VENT SOLENOID (ABOVE REAR DIFFERENTIAL) EXTERIOR LIGHTS SYSTEM 17 447 FAN RLY CTRL MAIN RLY CTRL FUEL PMP RLY CNTL MIL CNTL A/C COMP CLTCH RLY FUSE GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START IAT SEN SIG IAT SIG IGN IGN 1 VLT IGN 1 VLT IGN 1 VLT BATTERY + VLT APPS 2 SIG PNK PNK WIRE INSIDE REARVIEW MIRROR INSTRUMENT PANEL CLUSTER (IPC) INSTRUMENT PANEL MODULE (IPM) LO SPD COOL FAN RLY LOGIC LOW REF LT BLU WIRE MAF LOW REF A/C PRESS LOW REF MAIN RELAY MASS AIR FLOW (MAF) SENSOR (IN AIR INTAKE DUCT) MIL IND ORG/BLK WIRE ORG/WHT WIRE PNK WIRE PNK/BLK WIRE PPL RADIO RED/WHT WIRE SENS SIG SENSOR 1 STARTING SYSTEM STOPLAMP SW SIG STRTR ENABLE RLY CNTL TAN WIRE TAN/BLK WIRE TCM/ IPC/ ECM FUSE TO EVEN COILS FUSE (DIAGRAM 4 OF 5) TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COIL MODULE 1) COIL MODULE 7) DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE EVEN COILS FUSE FROM MAIN RELAY (DIAGRAM 1 OF 5) FUEL INJECTOR FUSE (DIAGRAM 2 OF 5) GRN WIRE GRY WIRE IGNITION COIL/ MODULE 1 IGNITION COIL/ MODULE 2 IGNITION COIL/ MODULE 3 IGNITION COIL/ MODULE 4 IGNITION COIL/ MODULE 5 IGNITION COIL/ MODULE 6 IGNITION COIL/ MODULE 7 IGNITION COIL/ MODULE 8 LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE ODD COILS FUSE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK WIRE PNK/ BLK WIRE PNK/BLK WIRE PPL PPL 15 16 17 18 19 PPL/WHT WIRE RED WIRE TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) YEL WIRE YEL/BLK WIRE