Cadillac DTS I (2005-2011) lt blu/yel 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

ACCESSORY VOLTAGE ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES SYSTEM SHIFT INTERLOCK SYSTEM BATTERY POSITIVE VOLTAGE INSTRUMENT PANEL LAMP SUP V BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (RIGHT SIDE OF DASH) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COURTESY LAMP CTRL DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/PPL WIRE DK GRN/WHT WIRE FRONT FOG LAMP SWITCH SIGNAL CRUISE CTRL IND DIMMING SIGNAL GROUND GRY WIRE GRY/BLK WIRE GRY/PNK WIRE HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM CRUISE CONTROL SYSTEM HEADLIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM INTERIOR LIGHTS SYSTEM POWER DISTRIBUTION SYSTEM INTERIOR LIGHTS SYSTEM LED DIMMING SIGNAL LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT BLU/YEL WIRE LT GRN WIRE LT GRN/BLK WIRE OFF/RUN CRANK VOLTAGE CRUISE CTRL RES ACCEL SW SIG ORG/ WIRE ORG/WHT WIRE ORG/YEL WIRE PARK LAMP SWITCH ON SIGNAL PARK LAMP SWITCH ON SIGNAL COURTESY LAMP SW ON SIGNAL PNK WIRE PNK/BLK WIRE PNK/DK BLU WIRE PNK/GRY WIRE POWER DISTRIBUTION SYSTEM PPL PPL/LT GRN WIRE PPL/WHT WIRE TAN WIRE TAN/BLK WIRE TAN/GRY WIRE TRACTION CONTROL SWITCH SIGNAL SHIFT INTERLOCK SOL CTRL PPL TRUNK RELEASE CONTROL AMBIENT LIGHT SENSOR SIGNAL HEADLAMP SWITCH OFF SIGNAL TRUNK, TAILGATE, FUEL DOORS SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 IGN 1 VOL 17 3 PPL ACC SUPPLY VOL SET/COAST/RES/ 18 7 ACC SERIAL DATA STOP LAMP SW SIG 33 53 SERIAL DATA BUS - SERIAL DATA BUS + ACC WAKE-UP SERIAL DATA ACTIVE SIG ADAPTIVE DELUXE CRUISE CONTROL AHEAD SENS ALERT SENS BLK WIRE BODY CONTROL MODULE (BCM) (RIGHT SIDE OF DASH) BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) CANCEL SWITCH COMPUTER DATA LINES SYSTEM CRUISE ACTIVE IND CRUISE CONTROL SWITCH CRUISE IND CRUISE SW SIG CRUISE SWITCH DISTANCE SENSING CRUISE CONTROL (DSCC) MODULE (FORWARD OF RADIATOR) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) GMLAN (ECM) GMLAN SERIAL DATA GMLAN SERIAL DATA SERIAL DATA BUS + SERIAL DATA BUS - GND GRN/WHT WIRE GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ IGN RELAY ENERGIZED HVAC/IPC IGN 1 FUSE 10 IGN IGN 1 VOL INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (TOP OF STEERING COLUMN) INFORMATION CENTER TELLTALE ASSEMBLY INSTRUMENT PANEL CLUSTER (IPC) LEFT STEERING WHEEL CONTROL SWITCH LOGIC LT BLU WIRE LT BLU/BLK WIRE LT BLU/YEL WIRE LT GRN WIRE LT GRN/PPL WIRE MDLS-BODY FUSE 43 NCA WIRE ON IND. ORG/ WIRE ORG/YEL WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL REAR FUSE BLOCK (UNDER LEFT REAR SEAT) RED WIRE RED/DK GRN WIRE RIGHT STEERING WHEEL CONTROL SWITCH SET SWITCH RESUME SWITCH STOP LAMP SW SIG TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE (TCM) (LEFT FRONT STRUT TOWER) UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) VEHICLE AHEAD IND VEHICLE ALERT IND VEHICLE SPEED SENSOR (VSS) (ON TRANSAXLE CASE EXTENSION) WHT WIRE YEL/GRY WIRE

2501 2501 COMPUTER DATA LINES SYSTEM AUTOMATIC LEVEL CONTROL (ALC) COMPRESSOR (NEAR REAR AUTOMATIC LEVEL CTRL RLY BLK WIRE CLASS 2 SERIAL DATA COMP RELAY FUSE 24 COMPUTER DATA LINES SYSTEM DAMPER SOLENOID (RIGHT FRONT SHOCK ASSEMBLY) DK GRN WIRE DK GRN/GRY WIRE DRIVER INFORMATION CENTER (DIC) ELECTRONIC SUSPENSION CONTROL (ESC) MODULE (RIGHT SIDE OF TRUNK) FRONT SHOCK ASSEMBLY) GMLAN SERIAL DATA BUS+ GMLAN SERIAL DATA BUS- GRY/BRN WIRE GRY/ORG WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) LEFT FRONT SUSPENSION DAMPER SOLENOID (LEFT LEFT FRONT SUSPENSION POSITION SENSOR (NEAR LEFT FRONT STRUT) LEFT REAR SUSPENSION DAMPER SOLENOID (LEFT REAR SHOCK ASSEMBLY) LEFT REAR SUSPENSION POSITION SENSOR (NEAR LEFT REAR STRUT) LEVEL COMP FUSE 47 LEVEL COMP RELAY 53 LOGIC LT BLU WIRE LT BLU/BLK WIRE LT BLU/YEL WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MDL-RTD FUSE 15 NCA WIRE ORG/WHT WIRE ORG/YEL WIRE PNK/DK GRN WIRE PPL PPL/BLK WIRE PPL/WHT WIRE REAR FUSE BLOCK (UNDER LEFT REAR SEAT) RED WIRE RED/WHT WIRE RIGHT FRONT SUSPENSION POSITION SENSOR (NEAR RIGHT FRONT STRUT) RIGHT REAR SUSPENSION DAMPER SOLENOID (RIGHT REAR SHOCK ASSEMBLY) RIGHT REAR SUSPENSION POSITION SENSOR (NEAR RIGHT REAR STRUT) SUSPENSION CARRIER) TAN WIRE TAN/BLK WIRE TAN/DK BLU WIRE TAN/DK GRN WIRE TAN/GRY WIRE TAN/ORG WIRE TAN/VIO WIRE TAN/WHT WIRE VIO WIRE WHT WIRE YEL WIRE YEL/BLK WIRE YEL/GRY 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

BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DOWN REARWARD DRIVER SEAT ADJUSTER DRIVER SEAT LUMBAR ADJUSTER SWITCH (IF EQUIPPED) DRIVER SEAT LUMBAR MASSAGE SWITCH DRV SEAT LUMBAR UP SW SIG DRV SEAT LUMBAR FORWARD SW SIG FORWARD/ FRONT REAR VERTICAL VERTICAL UP UP FRONT VERTICAL RECLINE DOWN FORWARD GRY WIRE GRY/BLK WIRE GRY/ORG WIRE GRY/PNK WIRE GRY/YEL WIRE HORIZONTAL FORWARD LT BLU WIRE LT BLU/BLK WIRE LT BLU/YEL WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/YEL WIRE MEMORY POWER TILT, POWER TELESCOPIC CIRCUIT MEMORY SEAT MODULE (MSM) (UNDER DRIVER'S SEAT) NCA WIRE ORG/BLK WIRE ORG/DK BLU WIRE ORG/PPL WIRE ORG/WHT WIRE PASSENGER SEAT LUMBAR MASSAGE SWITCH (IF EQUIPPED) PNK 1 2 3 WIRE PNK WIRE PNK/BLK WIRE REAR HORIZONTAL VERTICAL REARWARD DOWN RECLINE REARWARD RIGHT HEATED/COOLED SEAT MODE SIG SEATS SYSTEM STEERING WHEEL/ COLUMN TILT/ TELESCOPE SWITCH SWITCH TAN WIRE TAN/LT BLU WIRE TAN/WHT WIRE VER POS SENS SIG TELESCOPE SENS SIG W/ MASSAGE POWER LUMBAR SEAT WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/DK BLU WIRE

13 17 16 15 14 BRK SNS SIG SRL DATA (-) SRL DATA (+) LO REF SENS VOLT 46 33 53 PRK/NTL SRL DATA (-) SRL DATA (+) A/T SHIFT LOCK CONTROL SOLENOID AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION SHIFT LEVER (W/ LUXURY FRONT BUCKET SEAT) BCM (LTTN) FUSE 25 BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (RIGHT SIDE OF DASH) BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) BRN WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) GRY WIRE GRY/ORG WIRE HOT AT ALL TIMES HOT W/ RAP-HC RELAY ENERGIZED LT BLU/BLK WIRE LT BLU/YEL WIRE ORG/ WIRE PPL PPL INTRLCK SOLND RAP 1 FUSE 28 REAR FUSE BLOCK (UNDER LEFT REAR SEAT) RED WIRE RED/YEL WIRE TAN WIRE TAN/BLK WIRE WHT WIRE YEL WIRE YEL/BRN WIRE