Cadillac DTS I (2005-2011) low speed gmlan serial data Wiring diagrams

BACKLIGHT LAMP CONTROL R TAIL LMP OUT DETECTION SIG PPL BODY CONTROL MODULE (BCM) (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM COURTESY LMP RLY COIL CNTRL DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DOOR LCK MTR LOCK CTRL DOOR LCK MTR UNLOCK CTRL DOOR LOCKS SYSTEM GRY WIRE GRY/BLK WIRE INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM LED DIMMING SIGNAL LOW SPEED GMLAN SERIAL DATA LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/GRY WIRE PPL/WHT WIRE REAR ACCESS OPEN SW SIGNAL TRUNK AJAR SWITCH SIGNAL TRUNK RELEASE RELAY CONTROL TRUNK, TAILGATE, FUEL DOORS SYSTEM YEL WIRE

524 307 1414 1415 PPL 59 28 238 5017 LEFT SEAT BELT SW LOW REF 8 17 12 PARK LP SW ON SIG PARK LP SW ON SIG HEADLAMP SW OFF SIG AUDIBLE ALARM BATTERY POSITIVE VOLTAGE BCM (LTTN) FUSE 25 BLK WIRE BODY CONTROL MODULE (BCM) (RIGHT SIDE OF DASH) BRAKE FLUID SWITCH (IN MASTER CYLINDER RESERVOIR) BRAKE IND BRN WIRE COAX KEYLESS ENTRY/TIRE PRESSURE ANTENNA SIGNAL COMPUTER DATA LINES SYSTEM DK BLU/WHT WIRE DK GRN WIRE DRIVER DOOR LATCH ASSEMBLY (REAR OF DRIVER'S DOOR) DRIVER DOOR MODULE (DDM) DRIVER INFORMATION CENTER (DIC) DRIVER SEAT BELT BUCKLE DRIVER SEAT BELT SWITCH ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPARTMENT, ENGINE COOLANT TEMPERATURE IND FTP (NOT USED) GMLAN (SDM) GRY WIRE GRY/BLK WIRE HEAD HEADLAMP SWITCH HI LO HIGH SPD GMLAN SERIAL DATA BUS - HOT AT ALL TIMES IGN GMLAN (SDM) IGNITION SWITCH INSTRUMENT PANEL CLUSTER (IPC) IPC KEY-IN IGNITION SWITCH KEYLESS ENTRY ANTENNA LOGIC LOW ENGINE OIL PRESSURE IND LOW SPEED GMLAN SERIAL DATA LOW TIRE PRESSURE IND LT BLU WIRE LT BLU/WHT WIRE OFF OFF AUTO OFF/RUN CRANK VOLTAGE ORG/ WIRE ORG/PNK WIRE PARK PARK BRAKE SW SIG PARK BRAKE SWITCH (ON PARK BRAKE PEDAL) PARK IND PASSKEY FUSE 13 PNK WIRE PPL PPL/LT GRN WIRE RADIO REAR FUSE BLOCK (UNDER LEFT REAR SEAT) RED WIRE RED/YEL WIRE REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) (UNDER CENTER OF REAR PACKAGE TRAY) RUN WIRE SEAT BELT IND SUPPLEMENTAL RESTRAINTS SYSTEM TAN WIRE TAN/BLK WIRE TAN/DK GRN WIRE TAN/PNK WIRE TAN/WHT WIRE TURN SIGNAL/ MULTI-FUNCTION SWITCH WHT WIRE YEL WIRE

3 7 LOW REFERENCE SUPPLY VOLTAGE 3 7 LOW REFERENCE SUPPLY VOLTAGE PPL BLK WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/YEL WIRE DRIVER DOOR MODULE (DDM) DRIVER OUTSIDE REARVIEW MIRROR (DRIVER'S DOOR) FRONT PASSENGER DOOR MODULE (FPDM) GRY/LT GRN WIRE HEATED MIRROR ELEMENT HOT AT ALL TIMES HVAC CONTROL MODULE (CENTER OF DASH) LEFT "C" PILLAR) LOGIC LOW SPEED GMLAN SERIAL DATA NCA WIRE ORG/ WIRE PASSENGER OUTSIDE REARVIEW MIRROR (FRONT PASSENGER DOOR) HEATED MIRROR ELEMENT PPL REAR DEFOG RLY CTRL REAR DEFOGGER INDICATOR REAR DEFOGGER SWITCH REAR FUSE BLOCK (UNDER LEFT REAR SEAT) REAR WINDOW DEFOGGER RR DEFOG FUSE 46 RR DEFOG RELAY 52 TAN/PNK WIRE 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

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