Cadillac STS I (2004-2007) instrument panel module (right side of dash behind glove box) Wiring diagrams

5-VOLT REFERENCE BLK WIRE BRAKE PEDAL POS SENSOR SIGNAL BRAKE PEDAL POSITION SENSOR (ON BRAKE PEDAL SUPPORT) BRN WIRE CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH CRUISE INDICATOR DK GRN WIRE ENGINE CONTROL MODULE (ECM) (FRONT OF ENGINE, ON RIGHT VALVE COVER) FUSE FUSE BLOCK UNDERHOOD (RIGHT FRONT SIDE OF ENGINE COMPARTMENT) TCM/ IPC FUSE GRY WIRE HOT IN RUN OR START IGNITION INSTRUMENT PANEL CLUSTER (IPC) INSTRUMENT PANEL MODULE (RIGHT SIDE OF DASH BEHIND GLOVE BOX) LOGIC LOW REFERENCE NCA WIRE ON OFF PNK WIRE PPL PPL ACCY SUPP VOLTAGE PPL CLASS 2 SERIAL DATA PPL TP SENSOR 2 SIGNAL R/A TAC MOTOR CONTROL-1 TAC MOTOR CONTROL-2 TCC/CRUISE CONTROL RELEASE SIG THROTTLE ACTUATOR CONTROL (TAC) MODULE (PART OF THROTTLE BODY ASSEMBLY) THROTTLE ACTUATOR CONTROL (TAC) MOTOR THROTTLE POSITION (TP) SENSOR TP SENSOR 1 SIGNAL TURN SIGNAL/ MULTIFUNCTION SWITCH WHT WIRE YEL WIRE

5-VOLT REFERENCE BRAKE PEDAL POS SENSOR SIGNAL BRAKE PEDAL POSITION SENSOR (ON BRAKE PEDAL SUPPORT) BRN WIRE CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH CRUISE INDICATOR DK GRN WIRE ENGINE CONTROL MODULE (ECM) (ON LEFT FRONT FRAME RAIL BELOW HEADLAMP) FUSE FUSE BLOCK UNDERHOOD (RIGHT FRONT SIDE OF ENGINE COMPARTMENT) TCM/ IPC FUSE GRY WIRE HOT IN RUN OR START IGNITION INSTRUMENT PANEL CLUSTER (IPC) INSTRUMENT PANEL MODULE (RIGHT SIDE OF DASH BEHIND GLOVE BOX) LOGIC LOW REFERENCE NCA WIRE ON OFF PNK WIRE PPL PPL ACCY SUPP VOLTAGE PPL CLASS 2 SERIAL DATA PPL PPL PPL TP SENSOR 2 SIGNAL R/A TAC MOTOR CONTROL-1 TAC MOTOR CONTROL-2 TAN WIRE TCC/CRUISE CONTROL RELEASE SIG THROTTLE ACTUATOR CONTROL (TAC) MODULE (PART OF THROTTLE BODY ASSEMBLY) THROTTLE ACTUATOR CONTROL (TAC) MOTOR THROTTLE POSITION (TP) SENSOR TP SENSOR 1 SIGNAL TURN SIGNAL/ MULTIFUNCTION SWITCH WHT WIRE YEL WIRE

1 11 PWM DATA PWM DATA BLK WIRE BLU WIRE BRN WIRE CLIMATE CONTROL SEAT MODULE DK BLU WIRE DPM FUSE DRIVER BACK COOLED SEAT BLOWER MOTOR DRIVER CUSHION COOLED SEAT BLOWER MOTOR DRIVER CUSHION HEATED SEAT ELEMENT DRIVER HEATED SEAT BACK ELEMENT GRN WIRE GRY WIRE HOT AT ALL TIMES IGN 3 IGN 3 FUSE IGN 3 VLTG IGNITION 3 RELAY INSTRUMENT PANEL MODULE (RIGHT SIDE OF DASH BEHIND GLOVE BOX) LEFT REAR FUSE BLOCK (UNDER LEFT SIDE OF REAR SEAT) LOW REF GROUND PWM DATA PWM DATA FAN SPD CNTRL NTC SIG NTC SIG FAN SPD CNTRL LT BLU WIRE MEMORY SEAT MODULE (UNDER DRIVER SEAT) ORG/ WIRE PASSENGER BACK COOLED SEAT BLOWER MOTOR PASSENGER CUSHION COOLED SEAT BLOWER MOTOR PASSENGER CUSHION HEATED SEAT ELEMENT PASSENGER HEATED SEAT BACK ELEMENT PNK SPLY VLTG WIRE PNK WIRE RED WIRE RED/WHT WIRE RF HTD ST/ S-BAND FUSE RIGHT REAR FUSE BLOCK (UNDER RIGHT SIDE OF REAR SEAT) SPLY VTLG BATTERY WHT WIRE YEL WIRE YEL/BLK 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

1 11 PWM DATA PWM DATA BLK WIRE BLU WIRE BRN WIRE CLIMATE CONTROL SEAT MODULE DK BLU WIRE DRIVER CUSHION HEATED SEAT ELEMENT DRIVER HEATED SEAT BACK ELEMENT GRN WIRE GRY WIRE HOT AT ALL TIMES IGN 3 IGN 3 FUSE IGN 3 VLTG IGNITION 3 RELAY INSTRUMENT PANEL MODULE (RIGHT SIDE OF DASH BEHIND GLOVE BOX) LEFT REAR FUSE BLOCK (UNDER LEFT SIDE OF REAR SEAT) LOW REF GROUND PWM DATA PWM DATA MEMORY SEAT MODULE (UNDER DRIVER SEAT) NTC SIG NTC SIG ORG/ WIRE PASSENGER CUSHION HEATED SEAT ELEMENT PASSENGER HEATED SEAT BACK ELEMENT PNK SPLY VLTG WIRE PNK WIRE RED WIRE RED/WHT WIRE RF HTD ST/ S-BAND FUSE RIGHT REAR FUSE BLOCK (UNDER RIGHT SIDE OF REAR SEAT) SPLY VTLG BATTERY WHT WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE FUSE GRN WIRE GRY WIRE HEATED STEERING WHEEL HEATED STEERING WHEEL CONTROL MODULE (IN STEERING COLUMN, UNDER STEERING WHEEL) HOT AT ALL TIMES HTD STRG/ CLM FUSE IGN 3 IGNITION 1 RELAY IND CTRL INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INSTRUMENT PANEL MODULE (RIGHT SIDE OF DASH BEHIND GLOVE BOX) LEFT STEERING WHEEL CONTROLS NCA WIRE ORG/ WIRE PNK IGN 1 WIRE PNK WIRE RED WIRE RED/BLK WIRE RIGHT REAR FUSE BLOCK RIGHT STEERING WHEEL CONTROLS SENS SIG SUPPLY VOLTAGE YEL WIRE

7 1 RUN IGN 3 VOLTAGE ACCESSORY VOLTAGE ABS FUSE AIR QUALITY SENSOR BLK/WHT WIRE BRN WIRE CCP FUSE DK BLU WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) FROM UNDERHOOD FUSE BLOCK (IGN 1 RELAY) (DIAGRAM 3 OF 7) HVAC CONTROL MODULE IGNITION MODE SWITCH INSTRUMENT PANEL MODULE (RIGHT SIDE OF DASH BEHIND GLOVE BOX) LEFT HEATED WASHER NOZZLE LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/WHT WIRE MAF FUSE MAF/ IAT SENSOR (3.6L) OFF IN CNTRL ORG/ WIRE PNK IGN 1 VOLTAGE WIRE PNK WIRE REAR DEFOG RELAY REMOTE CONTROL DOOR LOCK RECEIVER (UNDER REAR SPEAKER SHELF) RIGHT HEATED WASHER NOZZLE RIGHT REAR FUSE BLOCK (UNDER RIGHT SIDE OF REAR SEAT) SPARE FUSE SPLICE PACK START IND CNTRL STARTER RELAY FUSE TO ACCESSORY RELAY (DIAGRAM 2 OF 7) TO IGN 1 RELAY (DIAGRAM 7 OF 7) TO IGN 3 RELAY (DIAGRAM 6 OF 7) UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPARTMENT) STARTER RELAY VOLTAGE B/U MODE CONTROL B/U IGN 1 VOLTAGE 5726 3 PNK WIRE WASH NOZ/ AQS FUSE YEL WIRE

1 2 3 BATTERY BATTERY GROUND 14 20 PARK LMP ON SW SIG PARK BRAKE SW SIG 2 10 PNK PNK WIRE 2 11 3 SERIAL DATA LOW REF DRIVER SIG PNK WIRE 2 12 DOOR AJAR SW SIGNAL LF DOOR SW SIG 21 22 25 13 SERIAL DATA SERIAL DATA RT TURN SW SIG LT TURN SW SIG AUDIBLE ALARM AUDIO AMPLIFIER (IN REAR COMPARTMENT, ON LEFT REAR QUARTER PANEL BRACKET AUTO HDLP BATTERY BLK WIRE BLK/WHT WIRE BRN/WHT WIRE CLASS 2 SERIAL DATA COAX COMPUTER DATA LINES SYSTEM DK BLU/WHT WIRE DK GRN WIRE DOOR AJAR SIGNAL DOOR LOCKS SYSTEM DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR MODULE (INSIDE DRIVER DOOR) DRIVER SEAT BELT SWITCH (IN LEFT FRONT SEAT BELT BUCKLE) GND DOOR OPEN SIGNAL GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT WITH HEADLAMP SWITCH IN PARK, HEAD INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (UNDER REAR OF CENTER CONSOLE) INSTRUMENT PANEL CLUSTER INSTRUMENT PANEL MODULE (RIGHT SIDE OF DASH BEHIND GLOVE BOX) IPM/ALDL FUSE KEYLESS ENTRY/ TIRE PRESSURE ANTENNA SIGNAL LEFT LEFT TURN INDICATOR LOGIC LIC/DIMMING FUSE LIGHTS ON INDICATOR LOW TIRE PRESSURE INDICATOR LT BLU WIRE LT BLU/WHT WIRE NCA WIRE OFF PARK BRAKE SWITCH (AT BASE OF BRAKE PEDAL) PNK WIRE REAR WINDOW KEYLESS ENTRY ANTENNA RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER (UNDER REAR SPEAKER SHELF) RIGHT RIGHT TURN INDICATOR SERIAL DATA TAN WIRE TAN/WHT WIRE TURN SIGNAL/MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) VOLT CHECK FUSE WHT WIRE YEL WIRE

11 20 24 WIPER SW SIGNAL 2 WIPER SW ON SIGNAL HDLP RELAY CONTROL ACCESSORY RELAY BLK WIRE DELAY DK BLU WIRE GRY WIRE HI LO HI LO INT HOT AT ALL TIMES HOT IN ACC OR RUN HOT IN RUN OR START IGN 1 RELAY INSTRUMENT PANEL MODULE (RIGHT SIDE OF DASH BEHIND GLOVE BOX) LEFT HEATED WASHER NOZZLE LT GRN WIRE MIST MIST OFF OFF OFF INT ORG/ WIRE PNK WIRE PPL RIGHT HEATED WASHER NOZZLE TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WASH WASH NOZ/ACC FUSE WASHER FLUID LEVEL SIG WHT WIRE WINDSHIELD WIPER/ WASHER MODULE (LEFT REAR OF ENGINE COMPT, NEAR WINDSHIELD) WINDSHIELD WIPER/WASHER SWITCH WIPER SWITCH WPR MOD FUSE WPR SW/ VICS FUSE YEL WIRE