Cadillac DTS I (2005-2011) (under driver's seat) Wiring diagrams

BLK WIRE BODY CONTROL MODULE (BCM) (RIGHT SIDE OF DASH) BRAKE FLUID LEVEL SWITCH (IN MASTER CYLINDER RESERVOIR) BRAKE PEDAL POSITION SENSOR BRK SENS SIG BRK SENS SPLY VOL BRK SW SIG BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE GRY WIRE GRY/DK BLU WIRE GRY/YEL WIRE HIGH SPEED GMLAN SERIAL DATA BUS + HIGH SPEED GMLAN SERIAL DATA WAKE UP LEFT FRONT WHEEL SPEED SENSOR (WSS) (LEFT FRONT WHEEL HUB ASSEMBLY) LEFT REAR WHEEL SPEED SENSOR (WSS) (LEFT REAR WHEEL HUB ASSEMBLY) LO REF LO SPEED GMLAN SERIAL LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT BLU/YEL WIRE ORG/ WIRE ORG/YEL WIRE PARK BRAKE SWITCH (ON PARK BRAKE PEDAL) RADIO RIGHT FRONT WHEEL SPEED SENSOR (WSS) (RIGHT FRONT WHEEL HUB ASSEMBLY) RIGHT REAR WHEEL SPEED SENSOR (WSS) (RIGHT REAR WHEEL HUB ASSEMBLY) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TAN/YEL WIRE TRAC CTRL SW SIG TRACTION CONTROL OFF TRACTION CONTROL SWITCH VSS SIG W/ LUXURY FRONT BUCKET SEAT W/ AUXILIARY FOLDING FRONT BUCKET CENTER SEAT WHT WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 LED DIMMING SIG BACKLIGHT LAMP CTRL 1382 1491 2614 1236 INTERIOR LIGHTS SYSTEM 2 6 3 5 4 3 2 1 BLW MTR LO REF BATT VOLT MTR SPD CTRL GND AIR TEMP MTR CTRL AMBIENT AIR TEMPERATURE SENSOR (FORWARD OF RADIATOR) ASP AUXILIARY AIR TEMPERATURE ACTUATOR (IF EQUIPPED) (NEAR AUXILIARY BLOWER MOTOR) AUXILIARY MODE ACTUATOR (UNDER FRONT CONSOLE) BATT LOW REF GND BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLOWER RELAY 51 BLW MTR SPD CTRL BRN WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM CONTROL MODULE DEFOGGER SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DRIVER AIR TEMPERATURE ACTUATOR (LEFT SIDE OF HVAC MODULE) DRIVER INFOR- MATION CENTER (DIC) EVAPORATIVE TEMPERATURE SENSOR (CENTER OF DASH) GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/PNK WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN RUN OR START HVAC CONTROL MODULE (CENTER OF DASH) INSIDE AIR TEMPERATURE SENSOR (LEFT SIDE OF DASH) LOGIC LT BLU WIRE LT BLU/BLK WIRE LT BLU/ORG WIRE LT BLU/PPL WIRE LT BLU/YEL WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MDLS-BODY FUSE 43 MODE ACTUATOR (RIGHT SIDE OF HVAC MODULE) MTR FUSE 48 BLOWER PNK/ FUSE 49 WIRE ORG/ WIRE ORG/BLU WIRE ORG/PNK WIRE ORG/WHT WIRE PASSENGER AIR TEMPERATURE ACTUATOR (RIGHT SIDE OF HVAC MODULE) PASSKEY FUSE 13 PNK IGN 1 VOLT WIRE PNK WIRE PNK/ORG WIRE POWER DISTRIBUTION SYSTEM PPL SUPPLY VOLT PPL/WHT WIRE RADIO REAR FUSE BLOCK (UNDER LEFT REAR SEAT) RECIRCULATION ACTUATOR (ABOVE BLOWER MOTOR) RED WIRE RED/BLK WIRE RED/DK GRN WIRE RUN 3 FUSE 3 SERIAL DATA TAN WIRE TAN/BLK WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE YEL/GRY WIRE YEL/ORG WIRE YEL/WHT WIRE

1 2 3 4 5 6 7 8 9 10 BATT 4 3 2 1 LOW REF FEED BACK SIG GND MTR SPD CTRL 54 53 RLY CTRL A/C RELAY A/C CLTCH FUSE 4 A/C CLTCH RELAY 34 A/C COMPRESSOR CLUTCH (LOWER LEFT SIDE OF ENGINE) A/C REFRIGERANT PRESSURE SENSOR (ON A/C PRESSURE HOSE) AUXILIARY BLOWER MOTOR (IF EQUIPPED) (UNDER CENTER OF DASH) AUXILIARY BLOWER MOTOR CONTROL MODULE (IF EQUIPPED) (BEHIND MAIN BLOWER MOTOR) AUXILIARY HVAC CONTROL MODULE (IF EQUIPPED) (REAR OF CENTER CONSOLE) BACKLMP CTRL BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE (ECT) SENSOR (RIGHT REAR OF ENGINE) FAN 1 FUSE 27 FAN 1 RELAY 33 FAN 2 FUSE 26 FAN 2 RELAY 31 FAN 3 RELAY 32 GRY WIRE GRY/BLK WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT IN RUN OR START HOT W/ PWR/TRN RELAY ENERGIZED HVAC/IPC IGN 1 FUSE 10 IGN RELAY 36 LEFT COOLING FAN (FRONT OF ENGINE COMPT) LOW SPD FAN SERIAL DATA + SERIAL DATA - A/C REF LOW REF LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE MTR SPD CTRL FEED BACK SIG SERIAL DATA ORG/ WIRE ORG/RED WIRE ORG/WHT WIRE OXY SNSR FUSE 6 PNK LOW REF ECT SENS SIG WIRE PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM RED/DK GRN WIRE RIGHT COOLING FAN (FRONT OF ENGINE COMPT) SUNLOAD TWILIGHT SENSOR (TOP CENTER OF DASH) TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

14 13 LOW SPD SERIAL DATA LOW SPD SERIAL DATA 4 3 LOW SPD SERIAL DATA LOW SPD SERIAL DATA 4 5 LOW SPD SERIAL DATA LOW SPD SERIAL DATA 5 4 LOW SPD SERIAL DATA LOW SPD SERIAL DATA ACC WAKE-UP SERIAL DATA BLK WIRE BODY CONTROL MODULE (BCM) (RIGHT SIDE OF DASH) DATA LINK CONNECTOR (DLC) (UNDER LEFT SIDE OF DASH) DK BLU/TAN WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DK W/O HEARSE DRIVER DOOR MODULE (DDM) DRIVER WINDOW MOTOR (DRIVER'S DOOR) DRIVER WINDOW SWITCH FRONT CLIMATE CONTROL SEAT MODULE (IF EQUIPPED) (UNDER FRONT PASSENGER'S SEAT) FRONT PASSENGER DOOR MODULE (FPDM) FRONT PASSENGER WINDOW MOTOR (FRONT PASSENGER'S DOOR) GRN WIRE HOT AT ALL TIMES HVAC CONTROL MODULE (CENTER OF DASH) INSTRUMENT PANEL CLUSTER (IPC) KW 2000 SERIAL DATA LEFT REAR WINDOW MOTOR (LEFT REAR DOOR) LOW SPD SERIAL DATA LT BLU/DK GRN WIRE NETWORK BUS 1 NETWORK BUS 2 ORG/ WIRE ORG/PNK WIRE ORG/YEL WIRE PASSENGER WINDOW SWITCH PASSKEY FUSE 13 PNK WIRE RADIO REAR FUSE BLOCK (UNDER LEFT REAR SEAT) SERIAL DATA TAN WIRE TAN/BLK WIRE THEFT DETERRENT MODULE (TDM) (TOP RIGHT SIDE OF STEERING COLUMN) WHT/BLK WIRE

14 15 13 SUPPLY VOLTAGE LOW REFERENCE BRAKE APPLY SENS SIG BACKUP LAMP CIRCUIT BCM (CHMSL) FUSE 39 BCM (CTSY) FUSE 35 BCM (LTTN) FUSE 25 BCM (RTTN) FUSE 36 BLK WIRE BODY CONTROL MODULE (BCM) (RIGHT SIDE OF DASH) BRN WIRE BRN/WHT WIRE DETECTION SIG RIGHT TAIL LAMP DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE HAZARD SW SIG RH TURN SIG SW SIG LH TURN SIG SW SIG HAZARD SWITCH HEAD HEADLAMP SWITCH HOT AT ALL TIMES LEFT LICENSE LAMP RIGHT LICENSE LAMP LH TURN LOGIC LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT BLU/YEL WIRE LT GRN WIRE LT PARK LP FUSE 2 LT PARK LP RELAY 58 NCA WIRE OFF AUTO PARK PARK LAMP SW ON SIG PNK WIRE PPL PPL OUTAGE DETECTION SIG REAR FUSE BLOCK (UNDER LEFT REAR SEAT) RED WIRE RED/GRN WIRE RED/YEL WIRE RH TURN RIGHT BACKUP LAMP RIGHT FRONT MARKER LAMP RIGHT FRONT PARK LAMP RIGHT FRONT TURN SIGNAL LAMP RIGHT HEADLAMP RIGHT MIDDLE PARK LAMP RIGHT REAR PARK LAMP RIGHT TAIL/ STOP/ TURN SIGNAL LAMP RT PARK LP FUSE 4 STOP LAMP SW SIG SW SIG TAN WIRE TAN/PNK WIRE TRANSMISSION CONTROL MODULE (TCM) (LEFT FRONT STRUT TOWER) TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) VIO WIRE W/ HEARSE, LIMOUSINE W/ LIMOUSINE WHT WIRE YEL WIRE YEL/VIO WIRE YEL/WHT WIRE

BACKUP LAMP CIRCUIT BLK WIRE BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) BRN WIRE CENTER HIGH MOUNTED STOP LAMP (CHMSL) COMPUTER DATA LINES SYSTEM DETECTION SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DRIVER OUTSIDE REARVIEW MIRROR (DRIVER'S DOOR) GMLAN (BCM) GRY WIRE HEAD- LIGHTS SYSTEM HOT AT ALL TIMES HOT W/ IGN RELAY 36 RELAY ENERGIZED HVAC/IPC IGN 1 FUSE 10 IGN 1 VOLT INSTRUMENT PANEL CLUSTER (IPC) LAMP LEFT BACKUP LAMP LEFT CORNERING LAMP LEFT FRONT FOG/ CORNERING LAMP LEFT FRONT PARK LAMP LEFT FRONT MARKER LAMP LEFT HEADLAMP LEFT REAR PARK LAMP LEFT FRONT TURN SIGNAL LAMP LEFT MIDDLE PARK LAMP LEFT TAIL LAMP ASSEMBLY LEFT TAIL/ STOP, LEFT TAIL LAMP TURN SIGNAL LAMP LEFT TURN IND LF CRN LAMP FUSE 20 LOGIC LOW SPEED GMLAN SERIAL DATA LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT BLU/YEL WIRE LT GRN WIRE NCA WIRE ORG/ WIRE PASSENGER OUTSIDE REARVIEW MIRROR (FRONT PASSENGER'S DOOR) PNK WIRE POWER DISTRIBUTION SYSTEM PPL RF CRN LAMP FUSE 21 RIGHT CORNERING RIGHT FRONT FOG/ CORNERING LAMP RIGHT TURN IND SPLY VOLT TAN WIRE TRN/SIG PCB RELAY UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPARTMENT) W/ HEARSE W/ HEARSE, LIMOUSINE W/ LIMOUSINE PPL W/O HEARSE WHT WIRE YEL WIRE YEL/WHT WIRE

12 8 TRUNK AJAR SW SIG OPEN SW SIG 14 15 16 RR DR AJAR SW SIG LR DR AJAR SW SIG DR OPEN SW SIG 19 18 24 PARK ENABLE SIG HORN RLY CTRL PARK LP RLY CTRL 22 7 9 GMLAN SERIAL DATA DR LK MTR LK CTRL DR LK MTR UNLK CTRL 6 4 GND BATT POS VOLT AJAR OPEN AJAR SW SIG ANTENNA (IF EQUIPPED) (LEFT OF REAR WINDOW) ANTENNA SIG GND BATT POS VOLT BLK WIRE BLU WIRE BODY CONTROL MODULE (BCM) (RIGHT SIDE OF DASH) BRN WIRE COAX COMPUTER DATA LINES SYSTEM DDM FUSE 22 DK BLU WIRE DK BLU/BLK WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DK LT DRIVER DOOR LATCH ASSEMBLY (REAR OF DRIVER'S DOOR) DRIVER DOOR LOCK SWITCH DRIVER DOOR MODULE (DDM) FRONT PASSENGER DOOR LATCH ASSEMBLY (FRONT PASSENGER'S DOOR.) FRONT PASSENGER DOOR MODULE (FPDM) GMLAN SERIAL DATA GMLAN SERIAL DATA B+ GRN WIRE GRY WIRE GRY/BLK WIRE HOOD AJAR SWITCH (AT HOOD LATCH ASSEMBLY) HOOD CLOSED SW SIG HORNS SYSTEM EXTERIOR LIGHTS SYSTEM HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) KEYLESS ENTRY/ TIRE PRESSURE LEFT "C" PILLAR) LOGIC LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/ORG WIRE LT GRN/RED WIRE MDLS-BODY FUSE 43 NCA WIRE ORG/ WIRE ORG/GRY WIRE PDM FUSE 29 PNK WIRE PNK/BLK WIRE PNK/VIO WIRE PPL/ORG WIRE REAR FUSE BLOCK (UNDER LEFT BCM REAR SEAT) (CHMSL) FUSE 39 RED WIRE REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) (UNDER CENTER OF REAR PACKAGE TRAY) RIGHT MIDDLE DOOR LATCH ASSEMBLY (LIMOUSINE) (RIGHT MIDDLE DOOR TRIM PANEL) SEAT) SECURITY IND STOP LP RLY COIL SPLY VOLT TAN WIRE TAN/DK GRN WIRE TAN/RED WIRE TAN/WHT WIRE UPFITTER PROVISION (HEARSE) VIO WIRE WHT WIRE YEL WIRE YEL/VIO WIRE

8 CM FROM BREAKOUT TO INFLATABLE RESTRAINT SEAT POSITION SENSOR) ACCENT LAMPS LED CIRCUIT BOARD BLK WIRE BLK/WHT WIRE CONTROL MODULE DATA LINK CONNECTOR (DLC) DRIVER DOOR MODULE CIGAR ASHTRAY (DDM) LIGHTER LAMP DRIVER DOOR SILL PLATE LAMP (W/ INTERIOR ILLUMINATION ENTRY LAMP) DRIVER DRIVER BRAKE SEAT SEAT FLUID LUMBAR ADJUSTER LEVEL SWITCH SWITCH SWITCH DRIVER WINDOW MOTOR FAN 3 WPR RELAY 32 PCB RELAY HAZARD SWITCH HEATED STEERING WHEEL CONTROL MODULE HOOD AJAR SWITCH HORN ASSEMBLY HVAC CONTROL MODULE INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INSIDE DRIVER AIR INFORMATION TEMPE- DISPLAY RATURE SWITCH SENSOR INSTRUMENT PANEL CLUSTER SUNLOAD (IPC) SENSOR LEFT CORNERING LAMP LEFT FRONT FOG LAMP LEFT FRONT REPEATER LAMP LEFT HEADLAMP LEFT I/P RIGHT I/P ACCENT ACCENT LAMP LAMP LEFT STEERING WHEEL CONTROL SWITCH MEMORY SEAT MODULE (MSM) NCA WIRE RIGHT CORNERING LAMP RIGHT ENGINE COOLING FAN RIGHT FRONT FOG LAMP RIGHT FRONT REPEATER LAMP RIGHT HEADLAMP RIGHT STEERING WHEEL HORN CONTROL SWITCH SWITCH SIGNAL/MULTIFUNCTION W/ HEATED NOZZLES W/ INTERIOR ILLUMINATION ENTRY LAMP W/ W/O DRIVER DRIVER POWER POWER SEAT SEAT WINDSHIELD WASHER FLUID LEVEL SWITCH WINDSHIELD WASHER FLUID PUMP

AUDIO AMPLIFIER AUXILIARY BLOWER MOTOR AUXILIARY BLOWER MOTOR CONTROL MODULE BLK WIRE BLOWER MOTOR CONTROL MODULE BLUNT CUT) CENTER CONSOLE ACCESSORY POWER OUTLET CIGAR LIGHTER CLOCK FRONT PASSENGER DOOR MODULE (FPDM) I/P HEADLAMP COMPARTMENT SWITCH LAMP LEFT REAR DOOR COURTESY LAMP LIMOUSINE LIMOUSINE ASSEMBLY) NCA WIRE PASSENGER SEAT ADJUSTER SWITCH PASSENGER WINDOW MOTOR REAR ACCESSORY POWER OUTLET RIGHT MIDDLE DOOR COURTESY LAMP) RIGHT MIDDLE DOOR PARK RELAY RIGHT MIDDLE WINDOW MOTOR RIGHT MIDDLE WINDOW SWITCH RIGHT REAR COURTESY LAMP RIGHT REAR DOOR COURTESY LAMP RIGHT REAR DOOR LATCH RIGHT REAR WINDOW MOTOR RIGHT REAR WINDOW SWITCH RIGHT RIGHT MIDDLE MIDDLE PARK DOOR LAMP LATCH TRACTION CONTROL SWITCH VALET BODY CONTROL SWITCH MODULE (BCM) VIDEO DISPLAY W/ ENHANCED AUDIO W/O ENHANCED AUDIO W/ FRONT A/C W/ FRONT, REAR A/C W/ MULTI W/O MULTI DIRECTIONAL DIRECTIONAL W/ TRAFFIC INFORMATION RECEIVER W/ W/O AUXILIARY AUXILIARY FOLDING FOLDING SEATS SEATS

ACC VOLT BATT POS VOLT BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE GMLAN SERIAL DATA HOT AT ALL TIMES IGNITION SWITCH INSTRUMENT PANEL CLUSTER (IPC) LO SPD GMLAN SERIAL DATA LOGIC OFF ORG/ WIRE ORG/PNK WIRE PASSKEY FUSE 13 PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM REAR FUSE BLOCK (UNDER LEFT REAR SEAT) RUN WIRE SECURITY IND SW-IGN FUSE 21 THEFT DETERRENT MODULE (TDM) (TOP RIGHT SIDE OF STEERING COLUMN) YEL WIRE