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

1 2 3 4 5 6 IGNITION 1 VOLTAGE BLK WIRE COMPUTER DATA LINES SYSTEM DISTANCE SENSING CRUISE CONTROL MODULE (BEHIND FRONT FASCIA, NEAR HOOD LATCH) ELECTRONIC BRAKE CONTROL MODULE(EBCM) (RIGHT FRONT CORNER OF ENGINE COMPART) ELECTRONIC SUSPENSION CONTROL (ECU) (BELOW RIGHT "C" PILLAR) GMLAN SERIAL WAKE UP GMLAN SERIAL WAKE UP GMLAN SERIAL DATA BUS + GMLAN SERIAL DATA BUS - GROUND HOT IN ON OR START INSTRUMENT PANEL MODULE (IPM) RED WIRE RED/WHT WIRE TAN WIRE TAN/BLK WIRE TO HEADLIGHT SYSTEM TO POWER DISTRIBUTION SYSTEM UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPARTMENT) CCP FUSE W/HEADLIGHT LEVELING WHT WIRE YEL 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

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

ALC RELAY FUSE ALC SOLENOID FUSE AUTOMATIC LEVEL CONTROL (ALC) COMPRESSOR RELAY BLK WIRE BRN WIRE COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM DK GRN WIRE ELECTRONIC SUSPENSION CONTROL MODULE (BELOW RIGHT"C"PILLAR) ELECTRONIC SUSPENSION CONTROL(ESC) MODULE FUSE FUSE BLOCK LEFT REAR (UNDER LEFT SIDE OF REAR SEAT) FUSE BLOCK UNDER HOOD (RIGHT FRONT SIDE OF ENGINE COMPARTMENT) GMLAN SER DATA AUTOMATIC LEVEL GMLAN SER DATA GMLAN SER DATA GMLAN SER DATA GMLAN SER DATA GRN WIRE HOT AT ALL TIMES IPC CLASS 2 LEFT FRONT SUSPENSION DAMPER LEFT FRONT SUSPENSION POSITION SENSOR (TOP OF RIGHT FRONT SUSPENSION) LEFT REAR SUSPENSION DAMPER LEFT REAR SUSPENSION POSITION SENSOR (AT TOP OF LEFT REAR SUSPENSION) LEVEL RELAY LOGIC INSTRUMENT PANEL CLUSTER (IPC) LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MESSAGE CENTER MESSAGE REQUEST B+ NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK BATT WIRE PNK WIRE PPL PPL/WHT WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RF DAMPER CTRL LF DAMPER CTRL RIGHT FRONT SUSPENSION DAMPER RIGHT FRONT SUSPENSION POSITION SENSOR (AT RIGHT FRONT UPPER CONTROL ARM) RIGHT REAR SUSPENSION DAMPER RIGHT REAR SUSPENSION POSITION SENSOR (AT TOP OF RIGHT REAR SUSPENSION) SENSOR RETURN SENSOR RETURN SENSOR RETURN SENSOR RETURN SERVICE RIDE CONTROL SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCM/IPC/ECM FUSE WHT WIRE WHT/BLK WIRE YEL 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

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