Cadillac STS I (2004-2007) (behind left kick panel) 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

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

AJAR AUTO ON BLK WIRE COMPUTER DATA LINES SYSTEM COURTESY LAMP HIGH COURTESY LAMP LOW COURTESY LAMP SW ON DK GRN WIRE DRIVER DOOR MODULE (DDM) (IN DOOR) FRONT PASSENGER DOOR MODULE (FPDM) (IN DOOR) GMLAN SERIAL DATA GRY WIRE GRY/BLK WIRE I/P DIMMER SW LOW I/P DIMMER SWITCH INSTRUMENT PANEL MODULE (IPM) (BEHIND RIGHT SIDE OF DASH) LEFT FRONT DOOR COURTESY LAMP LEFT FRONT DOOR LATCH ASSEMBLY LEFT REAR DOOR MODULE (LRDM) (IN DOOR) LF DOOR AJAR LR DOOR AJAR LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE PNK/BLK WIRE PPL/WHT WIRE RF DOOR AJAR RIGHT FRONT DOOR COURTESY LAMP RIGHT FRONT DOOR LATCH ASSEMBLY RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR DOOR MODULE (RRDM) (IN DOOR) RR DOOR AJAR TAN WIRE TAN/WHT WIRE WHT 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

1 5 12 SUPPLY VOLTAGE STOP LAMP SW SIGN HAZARD SW SIGN 2 4 5 8 6 BATTERY GROUND LR STOP/TURN SUPPLY VOL GROUND RR STOP/TURN SUPPLY VOL 3 13 LR TURN SIGN SUPPLY VOL RR TURN SIGN SUPPLY VOL 4 1 2 SUPPLY VOLTAGE SIGNAL GROUND AUTO HEAD PARK BACK LIGHT LAMP BLK WIRE BLK/WHT WIRE BLU WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE HAZARD SWITCH HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) INSTRUMENT PANEL MODULE (RIGHT SIDE OF DASH BEHIND GLOVE BOX) IPM/ ALDL FUSE VOLT CHECK FUSE LEFT FRONT TURN SIGNAL/ FOG LAMP ASSEMBLY LEFT FRONT TURN SIGNAL LAMP LEFT LICENSE LAMP RIGHT LICENSE LAMP LEFT REPEATER LAMP LEFT TURN SIGNAL FUSE RIM FUSE LEFT TURN SIGNAL IND LIC/IPM FUSE LOGIC LOW SPEED GMLAN SERIAL DATA LT BLU WIRE LT BLU/WHT WIRE LT DK LT LT OFF PARK LAMP RELAY PARK LAMP RLY CTRL REAR INTEGRATION MODULE (IN LEFT SIDE OF REAR COMPT, UNDER REAR SHELF) RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT FRONT TURN SIGNAL/ FOG LAMP ASSEMBLY RIGHT FRONT TURN SIGNAL LAMP RIGHT REAR FUSE BLOCK (UNDER RIGHT SIDE OF REAR SEAT) RIGHT REPEATER LAMP RIGHT TURN SIGNAL IND SPLICE PACK TILT/ LK LMP/ CLM RELAY COILS FUSE TO UNDERHOOD FUSE BLOCK (LT PARK FUSE, TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENG COMPT) WHT WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE CONTROL MODULE DATA LINK CONNECTOR (DLC) DRIVER BACK HEATED SEAT ELEMENT DRIVER CUSHION COOLED SEAT BLOWER MOTOR DRIVER CUSHION HEATED SEAT ELEMENT DRIVER DOOR LOCK SWITCH LEFT REAR DOOR MODULE (LRDM) DRIVER DOOR SWITCH ASSEMBLY (DDSA) DRIVER SEAT ADJUSTER SWITCH DRIVER WINDOW MOTOR HEAD UP DISPLAY (HUD) HEATED STEERING WHEEL INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INSTRUMENT PANEL CLUSTER (IPC) INTERIOR REAR COMPARTMENT LID RELEASE SWITCH LEFT FRONT SEAT BELT SWITCH LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LEFT REAR WINDOW MOTOR LEFT STEERING WHEEL CONTROLS MEMORY SEAT MODULE (MSM) NCA WIRE PASSENGER BACK COOLED SEAT BLOWER MOTOR PASSENGER BACK HEATED SEAT ELEMENT PASSENGER CLIMATE CONTROL SEAT MODULE PASSENGER CUSHION COOLED SEAT BLOWER MOTOR PASSENGER CUSHION HEATED SEAT ELEMENT PASSENGER LUMBAR ADJUSTER SWITCH PASSENGER SEAT ADJUSTER SWITCH RIGHT FRONT SEAT BELT SWITCH RIGHT STEERING WHEEL CONTROLS SPLICE PACK TURN SIGNAL/ MULTIFUNCTION SWITCH W/ POWER LUMBAR SEAT W/O FRONT HEATER SEAT W/O POWER LUMBAR SEAT WHT WIRE

12 24 21 192 1485 5060 FOG LMP SW SIG HI BEAM SW SIG LOW SPD GMLAN SER DATA 6 3 1970 1317 LOW BEAM RLY CTRL FOG LMP RLY CTRL AIR CONDITIONING SYSTEM AUTO AUTO PPL AUTOMATIC HEADLAMP DIMMING RELAY (UNDERHOOD FUSE BLOCK) AUTOMATIC HIGH BEAM PWM SIG BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CLASS 2 (IPM) GMLAN (IPM) COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE FOG LAMP FOG LAMP FUSE FOG LAMP RELAY FRONT FOG LAMP SWITCH FTP GMLAN (IPM) HEAD HIGH BEAM HIGH BEAM IND HOT AT ALL TIMES HOT IN RUN OR START HVAC CONTROL MODULE (AT CENTER OF DASH) INFO NOT AVAIL INSIDE REAR VIEW MIRROR INSTRUMENT PANEL CLUSTER INSTRUMENT PANEL MODULE (IPM) (BEHIND GLOVE BOX) LEFT FRONT TURN SIGNAL/ FOG LAMP ASSEMBLY LEFT HEAD- LAMP BALLAST LEFT HEADLAMP ASSEMBLY LIGHTS ON IND FOG LAMPS IND LO BEAM RELAY LOW (NOT USED) FTP LOW BEAM LOW REF LT BLU WIRE LT GRN WIRE LT LOW BEAM FUSE OFF PARK ORG/ WIRE PNK WIRE PNK/WHT WIRE PPL PPL PPL RED WIRE RED/WHT WIRE RIGHT FRONT TURN SIGNAL/ FOG LAMP ASSEMBLY RIGHT HEAD- LAMP BALLAST RIGHT HEADLAMP ASSEMBLY RT LO BEAM FUSE SEN SIG SER DATA SER DATA GMLAN SMART BEAM FUSE SPARE RELAY SPLICE PACK SUNLOAD SENSOR ASSEMBLY (CENTER OF DASH, IN DEFROSTER GRILLE) TAN WIRE TILT/LK LMP/CLM COILS FUSE TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENG COMPT) WHT WIRE YEL WIRE

12 24 21 192 1485 5060 FOG LMP SW SIG HI BEAM SW SIG LOW SPD GMLAN SER DATA 6 4 3 1970 1969 1317 LOW BEAM RLY CTRL HI BEAM RLY CTRL FOG LMP RLY CTRL AIR CONDITIONING SYSTEM AUTO AUTO PPL BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CLASS 2 (IPM) GMLAN (IPM) COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE FOG LAMP FOG LAMP FUSE FOG LAMP RELAY FRONT FOG LAMP SWITCH FTP GMLAN (IPM) B+ HEAD HI BEAM RELAY HIGH BEAM HIGH BEAM IND HOT AT ALL TIMES HOT IN RUN OR START HVAC CONTROL MODULE (AT CENTER OF DASH) INFO NOT AVAIL INSTRUMENT PANEL CLUSTER INSTRUMENT PANEL MODULE (IPM) (BEHIND GLOVE BOX) LEFT FRONT TURN SIGNAL/ FOG LAMP ASSEMBLY LEFT HEADLAMP ASSEMBLY LIGHTS ON IND FOG LAMPS IND LO BEAM RELAY LOW (NOT USED) FTP LOW BEAM LOW REF LT BLU WIRE LT GRN WIRE LT HI BEAM FUSE LT LOW BEAM FUSE OFF PARK ORG/ WIRE PNK WIRE PNK/WHT WIRE PPL PPL PPL RED WIRE RIGHT FRONT TURN SIGNAL/ FOG LAMP ASSEMBLY RIGHT HEADLAMP ASSEMBLY RT HI BEAM FUSE RT LOW BEAM FUSE SEN SIG SER DATA SER DATA GMLAN SPARE RELAY SPLICE PACK SUNLOAD SENSOR ASSEMBLY (CENTER OF DASH, IN DEFROSTER GRILLE) TAN WIRE TAN/WHT WIRE TILT/LK LMP/CLM COILS FUSE TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENG COMPT) WHT WIRE YEL WIRE

AUTO ON BAT POS VOLTAGE BLK WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COURTESY LMP SW ON SIG DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENG/ MET GRN WIRE HEAD UP DISPLAY (HUD) I/P DIMMER SW SIG I/P DIMMER SWITCH IGN MESSAGE REQUEST IMAGE DN IMAGE UP INFO DN INFO RESET INFO UP INSTRUMENT PANEL MODULE (IPM) (BEHIND GLOVE BOX) LO SPD GMLAN SERIAL DATA LOGIC LOW REF LOW SPD GMLAN SERIAL DATA NIGHT VISION IMAGE UP SIG HEAD UP DISPLAY SW LOW REF LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE NIGHT VISION IMAGE DIMMING SIG NIGHT VISION IMAGE DN SIG PARK BRAKE SWITCH (BASE OF BRAKE PEDAL) PK BRK SW SIG PNK WIRE PNK/ DK PNK WIRE PNK/BLK WIRE RED/WHT WIRE SIG GND SPLICE PACK TAN WIRE TRIP A/B TRIP RESET W/ HEAD UP DISPLAY WHT WIRE XXX MPH/KPM CHECK GAGES YEL WIRE

15 9 GMLAN SERIAL DATA BACKLIGHT LAMP CTRL AUTOMATIC TRANSMISSION SHIFT LEVER ASSEMBLY BLK WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE FRONT AUXILIARY POWER OUTLET GMLAN SERIAL DATA BACKLIGHT LAMP CTRL HAZARD SWITCH HVAC CONTROL MODULE (CENTER OF DASH, BELOW RADIO) I/P DIMMER SWITCH IGNITION MODE SWITCH INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL FUSE HOLDER FUSE LEFT REAR DOOR MODULE (LRDM) (IN DOOR) LEFT REAR WINDOW SWITCH LEFT STEERING WHEEL CONTROLS REAR AUXILIARY HVAC CONTROL MODULE RIGHT REAR DOOR MODULE (RRDM) (IN DOOR) RIGHT REAR WINDOW SWITCH RIGHT STEERING WHEEL CONTROLS SPLICE SPLICE PACK SUNROOF SWITCH TRACTION CONTROL SWITCH WHT WIRE YEL WIRE