Cadillac DTS I (2005-2011) underhood fuse block (right side of engine compt) Wiring diagrams

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

BATTERY BLK WIRE BODY CONTROL MODULE (BCM) (RIGHT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM CURRENT CURRENT GND SENS SENS LOW REF SIG CURRENT CURRENT SENS SENS LOW REF SIG CURRENT SENS SPLY VOLT DK BLU WIRE DK GRN WIRE FUSIBLE LINK GEN FIELD CYC SIG GEN TURN ON SIG GENERATOR GENERATOR INLINE FUSE GMLAN (ECM) CHARGING IND GRY WIRE HI SPEED GMLAN SERIAL DATA - HOT AT ALL TIMES IGN INSTRUMENT PANEL CLUSTER (IPC) LO SPD GMLAN SERIAL DATA LOGIC ORG/ WIRE ORG/PNK WIRE PASSKEY FUSE 13 PNK WIRE POWER DISTRIBUTION SYSTEM PPL REAR FUSE BLOCK (UNDER LEFT REAR SEAT) RED WIRE RED/BLK WIRE STARTER MOTOR TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) W/ LIMOUSINE W/O LIMOUSINE WHT WIRE

2501 2500 5514 2700 380 COMPUTER DATA LINES SYSTEM 33 53 21 37 57 SERIAL DATA- SERIAL DATA+ LOW REF A/C CLTCH FUSE 4 A/C CLTCH RELAY 34 A/C COMPRESSOR CLUTCH (LOWER LEFT SIDE OF ENGINE) A/C COMPRESSOR CLUTCH RLY CTRL A/C REF PRE SENS A/C REFRIGERANT PRESSURE SENSOR (ON A/C PRESSURE HOSE) BLK WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) GRY/BLK WIRE HOT AT ALL TIMES HOT W/PWR/ TRN RELAY ENERGIZED LT BLU WIRE ORG/WHT WIRE TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) WHT WIRE

53 35 55 PNK WIRE BLK WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE (ECT) SENSOR (RIGHT REAR OF ENGINE) FAN 1 RELAY 33 FAN 2 FUSE 26 FAN 1 FUSE 27 FAN 2 RELAY 31 FAN 3 RELAY 32 GRY WIRE HOT AT ALL TIMES HOT W/ PWR/TRN RELAY ENERGIZED LEFT COOLING FAN (FRONT OF ENGINE COMPT) LO SPD FAN SERIAL DATA - SERIAL DATA + LOW REF SENS SIG LT BLU WIRE ORG/ WIRE OXY SNSR FUSE 6 PNK WIRE RIGHT COOLING FAN (FRONT OF ENGINE COMPT) RLY CTRL TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) WHT 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

2 31 25 24 39 10 15 29 3 4 18 19 16 BATTERY BATTERY ABS FUSE 23 ABS MTR FUSE 25 BLK WIRE COMPUTER DATA LINES SYSTEM ELECTRONIC BRAKE CONTROL MODULE (EBCM) (UNDER AIR CLEANER HOUSING) GRY WIRE GRY/PNK WIRE HOT AT ALL TIMES LOW REF POS SIG A POS SIG B LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE ORG/BLK WIRE PNK WIRE RED WIRE RED/BLK WIRE STEERING ANGLE SENSOR (BASE OF STEERING COLUMN) TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) VARIABLE EFFORT STEERING ACTUATOR (LEFT SIDE OF POWER STEERING RACK) WHT 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

16 11 HEADLAMP HI BM RLY CTRL FOG LP RLY CTRL 17 12 8 PRK LP SW ON SIG HEADLAMP OFF SIG PRK LP SW ON SIG 1970 45 EXTERIOR LIGHTS SYSTEM 23 24 HEADLAMP LO BM RLY CTRL PRK LP RLY CTRL 94 524 307 WIPER/WASHER SYSTEM PPL AMBIENT LIGHT SENS SIG AUTOMATIC HIGH BEAM IND FRONT LIGHT SEN AUTO HEAD SWITCH BLK WIRE BLK/PPL WIRE BODY CONTROL MODULE (BCM) (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EXTERIOR LIGHTS SYSTEM RIGHT HEADLAMP FOG LAMP PCB RELAY FOG LP FUSE 14 FRONT FOG LAMP SWITCH FRONT FOG LP SW SIG FUSE 10 GMLAN (BCM) GMLAN (BCM) IGN GMLAN SERIAL FOG LAMP IND DATA HEAD HEADLAMP SWITCH HIGH BEAM IND HIGH BEAM PCB RELAY HOT AT ALL TIMES HOT W/ IGN RELAY 36 ENERGIZED HVAC CONTROL MODULE INSTRUMENT PANEL CLUSTER (IPC) (CENTER OF DASH) HVAC/IPC IGN 1 INSIDE REARVIEW MIRROR (ISRVM) LEFT FOG LAMP LEFT FRONT FOG/ CORNERING LAMP LEFT HEADLAMP LEFT HEADLAMP BALLAST LEFT HIGH/LOW BEAM HEADLIGHT SOLENOID LO BEAM PCB RELAY LO SPD GMLAN SER DATA LOGIC LOW SPEED GMLAN SERIAL DATA LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT HI BEAM FUSE 16 LT LO BEAM FUSE 17 OFF AUTO ORG/ WIRE PARK PARK HEAD 2 8 PNK 24 18 25 WASHER SW SIG HEADLAMP SW HI BEAM SIG FTP SW SIG WIRE PNK PNK WIRE PNK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM PPL PPL/LT GRN WIRE RED WIRE RIGHT FOG LAMP RIGHT FRONT FOG/ CORNERING LAMP RIGHT HEADLAMP RIGHT BALLAST HIGH/LOW BEAM HEADLIGHT SOLENOID RT HI BEAM FUSE 15 RT LO BEAM FUSE 18 SERIAL IGN 1 DATA VOLT SUNLOAD TWILIGHT SENSOR (TOP CENTER OF DASH) TAN WIRE TAN/WHT WIRE TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 PNK WIRE ABS IND. ADAPTIVE CRUISE CTRL ACTIVE SIG ADAPTIVE CRUISE VEHICLE AHEAD SENS ADAPTIVE CRUISE CTRL VEHICLE ALERT SENS AIR BAG IND AUDIBLE ALARM BACKLIGHTING CTRL BATT POS VOLT BLK WIRE BRAKE IND BRN WIRE BRN/WHT WIRE CHARGING IND CLOCK COMPUTER DATA LINES SYSTEM CRUISE ACTIVE IND CRUISE IND DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY DRV INFO CENTER CTRL SW LOW REF DRV INFO CENTER SELECT MENU SW SIG DRV INFO CENTER SW SIG ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE IND FOG LAMPS IND FUEL LEVEL GAUGE FUSE 10 GMLAN GMLAN (BCM) GMLAN (EBCM) GMLAN (ECM) GMLAN (SDM) GMLAN (TDM) HEATED WASHER FLUID IND CTRL HIGH BEAM IND HOT AT ALL TIMES REAR FUSE BLOCK (UNDER LEFT REAR SEAT) HOT W/ IGN RELAY 36 ENERGIZED HVAC/IPC IGN IGN 1 VOLT ILLUMINATION INFORMATION CENTER TELLTALE ASSEMBLY INSTRUMENT PANEL CLUSTER (IPC) IPC LEFT TURN IND LOGIC LOW SPD GMLAN SERIAL DATA LOW TIRE PRESSURE IND LOW WASHER FLUID IND CTRL LT BLU WIRE LT GRN WIRE LT GRN/PPL WIRE MALFUNCTION IND OIL LEVEL IND ORG/ WIRE ORG/PNK WIRE PARK IND PASS AIR BAG ON IND CTRL PASS AIR BAG OFF IND CTRL PASS SEAT BELT IND PASSKEY FUSE 13 PNK PPL WIRE PNK WIRE PNK/TAN WIRE POWER DISTRIBUTION SYSTEM PNK WIRE PPL RIGHT TURN IND SEAT BELT IND SECURITY IND SPEEDOMETER SUPPLEMENTAL RESTRAINTS SYSTEM TACHOMETER TAN WIRE TAN/WHT WIRE TEMPERATURE GAUGE TRACTION OFF IND TRIP ODOMETER TRIP RESET GND TRIP RESET SW SIG TRIP/ODOMETER CTRL UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) VDC IND VEHICLE AHEAD IND VEHICLE ALERT IND WIPER/WASHER SYSTEM YEL WIRE

AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) BATTERY BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (RIGHT SIDE OF DASH) CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) GROUND DISTRIBUTION SYSTEM GRY/ORG WIRE HI SPEED GMLAN SERIAL DATA - IGN IGNITION SWITCH LOGIC OFF PARK/NEUTRAL SIGNAL POWER DISTRIBUTION SYSTEM PPL PPL 1 RED WIRE RED/BLK WIRE RUN WIRE STARTER MOTOR STARTER RELAY COIL CONTROL STRTR FUSE 24 STRTR RELAY 30 TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE