Cadillac STS I (2004-2007) ground Wiring diagrams

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

1 2 3 LOW SPD GMLAN SERIAL DATA BAT POS VOLTAGE 1 2 5 LFT MIR MTR DN CTRL LFT MIR MTR UP/RT CTRL LFT MIR MTR LFT CTRL BLK WIRE BLK/WHT WIRE BLU WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/BLK WIRE DRIVER DOOR MODULE (DDM) (INSIDE DRIVER DOOR) DRIVER DR MOD FUSE DRIVER OUTSIDE REARVIEW MIRROR DRVR VERT POS SENS SIG LOW REF DRVR HORIZ POS SENS SIG FEED GROUND HORIZ MOTOR HORIZ POS SENSOR HOT AT ALL TIMES LEFT HORIZ HORIZ POS SENS LEFT LOGIC LEFT REAR FUSE BLOCK (UNDER LEFT SIDE OF REAR SEAT) LT BLU/BLK WIRE MIRROR SWITCHES DRIVER DOOR SWITCH ASSEMBLY (DDSA) PPL/BLK WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT RIGHT HORIZ RTN SEL LEFT SEL RIGHT VERT DOWN VERT MOTOR VERT POS SENS VERT POS SENSOR VERT UP W/ INFOTAINMENT SYSTEM 012, 014, 015 WHT WIRE YEL WIRE

3 6 (W/ HID) (W/O HID) 4 2 (W/ HID) (W/O HID) BLK WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CENTER HIGH MOUNTED STOP LAMP (CHMSL) DK GRN WIRE DK GRN/WHT WIRE FROM UNDERHOOD FUSE BLOCK (LIC/IPM GRN WIRE GROUND GROUND B+ HOT AT ALL TIMES LEFT FRONT CORNERING/ SIDE MARKER LAMP LEFT HEADLAMP ASSEMBLY LEFT FRONT PARK LAMP LEFT PARK LAMP SUPPLY VOLTAGE STOP LAMP SUPPLY VOLTAGE LEFT REAR CORNERING/ SIDE MARKER LAMP LEFT REAR STOP/ TURN LAMP SUPPLY VOLTAGE LEFT TAIL LAMP OUTAGE DETECTION SIGNAL LEFT TAIL LAMP ASSEMBLY LOGIC LT BLU WIRE LT PARK FUSE (DIAGRAM 1 OF 2) LT PPL PPL PPL PPL RIGHT FRONT CORNERING/ SIDE MARKER LAMP RIGHT HEADLAMP ASSEMBLY RIGHT FRONT PARK LAMP RIGHT PARK LAMP SUPPLY VOLTAGE STOP LAMP SUPPLY VOLTAGE RIGHT REAR CORNERING/ SIDE MARKER LAMP RIGHT REAR STOP/ TURN LAMP SUPPLY VOLTAGE RIGHT TAIL LAMP ASSEMBLY RIGHT TAIL LAMP OUTAGE DETECTION SIGNAL RT PARK FUSE SIDE MARKER SPLICE PACK STOP LAMP FUSE STOP LAMP RELAY STOP TURN STOP- TURN TAIL TAIL WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 3 LOW SPD GMLAN SERIAL DATA BAT POS VOLTAGE 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 BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DRIVER DOOR MODULE (DDM) (INSIDE DRIVER DOOR) DRIVER DR MOD FUSE FEED FRONT PASSENGER DOOR MODULE (FPDM) (INSIDE RIGHT FRONT DOOR) GROUND GRY WIRE HORIZ MOTOR HORIZ POS SENSOR HOT AT ALL TIMES LEFT HORIZ HORIZ POS SENS LEFT LOGIC LEFT REAR FUSE BLOCK (UNDER LEFT SIDE OF REAR SEAT) LT BLU/BLK WIRE LT GRN WIRE MIRROR SWITCHES DRIVER DOOR SWITCH ASSEMBLY (DDSA) PASS VERT POS SENS SIG LOW REF PASS HORIZ POS SENS SIG PASSENGER OUTSIDE REARVIEW MIRROR PPL/WHT WIRE RED WIRE RED/WHT WIRE RIGHT RIGHT HORIZ RIGHT REAR FUSE BLOCK (UNDER RIGHT SIDE OF REAR SEAT) RT FRT DR MOD FUSE RTN SEL LEFT SEL RIGHT VERT DOWN VERT MOTOR VERT POS SENS VERT POS SENSOR VERT UP W/ INFOTAINMENT SYSTEM 012, 014, 015 WHT WIRE YEL WIRE

17 2 4 12 DOOR HANDLE SW SIG DOOR AJAR SW SIG DOOR KEY SW SIG DOOR OPEN SW SIG 3 4 DOOR OPEN SW SIG DOOR AJAR SW SIG 4 15 2 3 6 BATTERY B+ GMLAN SERIAL DATA DOOR UNLATCH CTRL DOOR LATCH CTRL GROUND 4 15 2 3 6 BATTERY B+ GMLAN SERIAL DATA DOOR UNLOCK CTRL DOOR LOCK CTRL GROUND 640 5060 640 5060 5965 5968 5881 5703 5702 351 COMPUTER DATA LINES SYSTEM BATTERY (B+) BLK/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DOOR AJAR SWITCH DOOR OPEN SWITCH DOOR LATCH MOTOR DOOR LOCK MOTOR DOOR LOCK SIG DOOR OPEN SWITCH DOOR AJAR SWITCH DOOR OPEN SWITCH DOOR AJAR SWITCH DOOR KEY SWITCH DOOR UNLOCK SIG DRIVER DOOR HANDLE SWITCH ASSEMBLY DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR MODULE (DDM) (IN DOOR) DRIVER DOOR MODULE FUSE DRIVER DOOR STATUS INDICATOR DRIVER DOOR SWITCH DRIVER DOOR SWITCH ASSEMBLY GMLAN DATA GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES ILLUMINATION LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR DOOR MODULE (LRDM) (IN DOOR) LEFT REAR FUSE BLOCK (UNDER LEFT SIDE OF REAR SEAT) LIFT SWITCH LOCK LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE ORG/BLK WIRE PNK 1 2 WIRE PNK WIRE PNK/BLK WIRE PPL/WHT WIRE REAR DOOR MODULE FUSE REAR LID RELEASE RED/WHT WIRE RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR DOOR MODULE (RRDM) (IN DOOR) TAN WIRE UNLATCH ENABLE SWITCH UNLOCK WHT WIRE YEL WIRE YEL/BLK WIRE

7 2 14 3 9 CLASS 2 SERIAL DATA BATTERY CLASS 2 SERIAL DATA BATTERY GROUND BATTERY BLK WIRE BLK/WHT WIRE BLU WIRE BRN/WHT WIRE CLASS 2 CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM DK GRN WIRE DOWN MIRROR SWITCH SIG DRIVER DOOR MODULE (ON DRIVER DOOR, UNDER DOOR TRIM PANEL) DRIVER DOOR SWITCH ASSEMBLY DRIVER DR MOD FUSE DRIVER MIRROR MOTOR HORIZONTAL CTRL DRIVER MIRROR MOTOR HORIZONTAL/VER CTRL DRIVER MIRROR MOTOR VERTICAL CTRL DRIVER OUTSIDE REARVIEW MIRROR FRONT PASSENGER DOOR MODULE (ON FRONT PASSENGER DOOR, UNDER DOOR TRIM PANEL) GROUND GRY WIRE HORIZ MOTOR HOT AT ALL TIMES LEFT LEFT MIRROR SELECT LEFT REAR FUSE BLOCK (NEAR LEFT SIDE OF REAR SEAT, UNDER CARPET) LOGIC PASSENGER MIRROR MOTOR HORIZ/VER CTRL PASSENGER MIRROR MOTOR HORIZONTAL CTRL PASSENGER OUTSIDE REARVIEW MIRROR PPL PPL PASSENGER MIRROR MOTOR VERTICAL CTRL RED WIRE RED/WHT WIRE RIGHT RIGHT MIRROR SELECT SWITCH SIG RIGHT MIRROR SWITCH SIG LEFT MIRROR SWITCH SIG RIGHT REAR FUSE BLOCK (NEAR RIGHT SIDE OF REAR SEAT, UNDER CARPET) RT FRT DR MOD FUSE SEL SERIAL DATA SWITCH SIG UP MIRROR SWITCH SIG VERT MOTOR WHT WIRE YEL WIRE

BATTERY POSITIVE VOLTAGE BLK WIRE BRN WIRE DIMMING DK BLU WIRE GROUND HOT AT ALL TIMES LT BLU WIRE ORG/ WIRE PNK WIRE PPL RAP RELAY COIL CONTROL REAR INTEGRATION MODULE (IN LEFT SIDE OF REAR COMPARTMENT, UNDER REAR SHELF) RED/WHT WIRE RIGHT REAR FUSE BLOCK (NEAR RIGHT SIDE OF REAR SEAT, UNDER CARPET) ROOF CLOSE ROOF EXPRESS ROOF OPEN SHADE CLOSE SHADE EXPRESS SHADE OPEN SUNROOF CONTROL MODULE (ABOVE HEADLINER, NEAR REAR OF SUNROOF) SUNROOF ENABLE SIGNAL SUNROOF FUSE SUNROOF SWITCH DATA 1 SUNROOF SWITCH DATA 2 SUNROOF SWITCH DATA 3 SUNROOF SWITCH DATA 4 SUNROOF SWITCH DATA 5 SUNROOF SWITCH DATA 6 SUNROOF/FRONT SUNSHADE SWITCH TAN WIRE YEL WIRE

1 2 3 DOWN UP PWD STATUS 15 5 6 14 RF PWD DOWN SIG RF EXPRESS SIGNAL RF PWD UP SIG PWD STATUS PPL 2 3 7 BATTERY BATTERY LO SPD GMLAN 5060 451 666 667 COMPUTER DATA LINES SYSTEM 7 9 16 15 LO SPD GMLAN GROUND RF PWD MTR UP SIG RF PWD MTR DOWN SIG 9 14 15 16 GROUND LO SPD GMLAN LF PWD MTR DOWN SIG LF PWD MTR UP SIG BATTERY BLK WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVER DOOR MODULE (INSIDE DRIVER DOOR) DRIVER DOOR MODULE FUSE DRIVER WINDOW MOTOR FRONT PASSENGER DOOR MODULE (INSIDE RIGHT FRONT DOOR) FRONT PASSENGER WINDOW MOTOR FRONT PASSENGER WINDOW SWITCH GROUND HOT AT ALL TIMES JOINT CONNECTOR LEFT REAR FUSE BLOCK (UNDER LEFT SIDE OF REAR SEAT) LOGIC ORG/ WIRE POWER WINDOW MOTOR CIRCUIT BREAKER PPL PWD STATUS REAR DOOR MODULE FUSE RED WIRE RED/WHT WIRE RIGHT REAR FUSE BLOCK (UNDER RIGHT SIDE OF REAR SEAT) RT FRT DR MOD FUSE WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 3 UP DOWN PWD STATUS 15 6 8 16 LO SPD GMLAN GROUND RR PWD MTR UP SIG RR PWD MTR DOWN SIG 4 6 8 BATTERY GROUND LR PWD MTR UP SIG 6 9 5 8 LR PWD DOWN SIG LR EXPRESS SIG LR PWD UP SIG PWD STATUS 6 9 5 8 RR PWD DOWN SIG RR EXPRESS SIGNAL RR PWD UP SIGNAL PWD STATUS BATTERY BLK WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVER DOOR SWITCH ASSEMBLY (DDSA) DRV WINDOW DOWN SIG DRV WINDOW EXPRESS SIG DRV WINDOW UP SIG FRONT PASSENGER DOWN SIG FRONT PASSENGER EXPRESS SIG FRONT PASSENGER UP SIG GROUND LEFT REAR DOOR MODULE (INSIDE LEFT REAR DOOR) LEFT REAR WINDOW MOTOR LEFT REAR WINDOW SWITCH LO SPD GMLAN LOGIC LR PWD MTR DOWN SIG LR WINDOW DOWN SIG LR WINDOW EXPRESS SIG LR WINDOW UP SIG LT GRN WIRE ORG/ WIRE RED/WHT WIRE RIGHT REAR DOOR MODULE (INSIDE RIGHT REAR DOOR) RIGHT REAR WINDOW MOTOR RIGHT REAR WINDOW SWITCH RR WINDOW DOWN SIG RR WINDOW EXPRESS SIG RR WINDOW UP SIG WHT WIRE WINDOW LOCK OUT YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION ACTUATOR SOLENOID EXHAUST BANK 1 (FRONT OF RIGHT CYL HEAD) CAMSHAFT POSITION ACTUATOR SOLENOID EXHAUST BANK 2 (FRONT OF LEFT CYL HEAD) CAMSHAFT POSITION ACTUATOR SOLENOID INTAKE BANK 1 (FRONT OF RIGHT CYL HEAD) CAMSHAFT POSITION ACTUATOR SOLENOID INTAKE BANK 2 (FRONT OF LEFT CYL HEAD) CAMSHAFT POSITION SENSOR EXHAUST BANK 1 CAMSHAFT POSITION SENSOR EXHAUST BANK 2 CAMSHAFT POSITION SENSOR INTAKE BANK 1 CAMSHAFT POSITION SENSOR INTAKE BANK 2 CHARGING CIRCUIT CKP SEN 1 SIG KNOCK SEN 2 SIG GEN FIELD DUTY CYC SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ECT SEN SIG EVAP CAN PRG SOL CNTL ENGINE CONTROL MODULE (ECM) (BELOW LEFT HEADLAMP) FUEL INJ 4 CNTL GEN TURN ON SIG IC 6 CNTL GROUND GRY WIRE KNOCK SENSOR (KS) 1 (UNDER INTAKE MANIFOLD) KNOCK SENSOR (KS) 2 (UNDER INTAKE MANIFOLD) LOW REF LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MAP LOW REF TPS LOW REF ECT LOW REF LOW REF MAP SEN SIG ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK/BLK WIRE PPL PPL 15 16 17 18 19 PPL CKP LOW REF LOW REF PPL IC 1 CNTL IC 2 CNTL IC 7 CNTL IC 3 CNTL IC 4 CNTL IC 8 CNTL IC 5 CNTL PPL/WHT WIRE SEN SIG TAC MTR CNTL 1 TAC MTR CNTL 2 TAN WIRE TAN/WHT WIRE TPS 1 SIG TPS 2 SIG PPL WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE