Cadillac XLR I (2003-2009) instrument panel cluster (ipc) Wiring diagrams

6.5 CM FROM BREAK OUT TO ACCELERATOR PEDAL POSITION SENSOR) ABS FUSE 27 ABS/MRRTD/AFS FUSE 1 ACCELEROMETER LATERAL BAT BAT IGN 1 VOLTAGE BLK WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SWITCH (IN BRAKE FLUID RESERVOIR) BRAKE FLUID PRESSURE SENSOR (ON BRAKE PRESSURE MODULATOR VALVE) BRAKE IND BRK FLUID LVL SENS SIGNAL BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (LEFT FRONT OF ENGINE COMPT) ELECTRONIC POWER STEERING SYSTEM GMLAN GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IGN INSTRUMENT PANEL CLUSTER (IPC) IPC IPC CLASS 2 SERIAL DATA LEFT FRONT WHEEL SPEED SENSOR (AT LEFT FRONT HUB ASSEMBLY) LEFT REAR WHEEL SPEED SENSOR (AT LEFT REAR HUB ASSEMBLY) LOGIC LOW REF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MESSAGE CENTER MESSAGE REQUEST ORG/ WIRE PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL RED WIRE RED/BLK WIRE RIGHT FRONT WHEEL SPEED SENSOR (AT RIGHT FRONT HUB ASSEMBLY) RIGHT REAR WHEEL SPEED SENSOR (AT RIGHT REAR HUB ASSEMBLY) SENS SIG SENSOR STEERING ANGLE SENSOR STRNG WHEEL POS SIG A STRNG WHEEL POS SIG B TAN WIRE TAN/BLK WIRE TO BRAKE PRESSURE MODULATOR VALVE (DIAGRAM 2 OF 2) TRACTION CONTROL IND ABS IND UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) WHT WIRE YAW RATE YAW, LATERAL ACCELEROMETER SENSOR (BEHIND CENTER OF DASH) YEL WIRE

11 12 PPL 5879 5878 PNK WIRE ACCA/ DRIV DR SW FUSE 21 IGNITION SW/INTR SENS FUSE 23 BATT+ VOLT BLK WIRE BLU WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) LOGIC BRN WIRE CLASS 2 (BCM) CLASS 2 DATA DK BLU WIRE DOOR LTCH CTRL DR AJAR SW SIG DR OPEN SW SIG DRIVER DOOR LOCK INDICATOR DRIVER DOOR LOCK SWITCH UN- LOCK LOCK DRIVER DOOR MODULE (DDM) (IN DRIVER'S DOOR) DRIVER DOOR SWITCH ASSEMBLY (DDSA) DRIVER EXTERIOR DOOR HANDLE SWITCH (IN DRIVER'S DOOR HANDLE ASSEMBLY) DRIVER INTERIOR DOOR HANDLE SWITCH (ON DRIVER'S INNER DOOR PANEL) FRONT PASSENGER DOOR LOCK SWITCH UN- LOCK LOCK FRONT PASSENGER DOOR MODULE (FPDM) (IN FRONT DOOR) GRY WIRE GRY/BLK WIRE HORN REL CNTRL HORNS SYSTEM HOT AT ALL TIMES IGN 1 VOLT INSTRUMENT PANEL CLUSTER (IPC) IPC CLASS 2 SERIAL DATA LCD LAMP UNLOCK SIG LOCK SIG GROUND BATTERY SERIAL DATA LOGIC LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PASSENGER DOOR LOCK INDICATOR PASSENGER EXTERIOR DOOR HANDLE SWITCH (IN DRIVER'S DOOR HANDLE ASSEMBLY) PASSENGER INTERIOR DOOR HANDLE SWITCH PK LAMP REL PNK WIRE PPL PPL/WHT WIRE REAR COMPARTMENT LID PULLDOWN ACTUATOR (AT UPPER CENTER OF LUGGAGE COMPARTMENT) RED/WHT WIRE SECURITY IND TAN WIRE TAN/WHT WIRE TRK AJAR SW SIG TRUNK, TAILGATE, FUEL DOORS SYSTEM WHT WIRE

BATTERY BLK WIRE BLK/WHT WIRE CHECK GAGES CLASS 2 (BCM) IGN MESSAGE REQUEST (BCM) B+ IPC CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (ECM) (LOWER RIGHT REAR OF ENGINE COMPT) FUSIBLE LINK (8 GA- GENERATOR GENERATOR FIELD DUTY CYCLE SIGNAL GENERATOR TURN ON SIGNAL GRY WIRE HEAD UP DISPLAY (HUD) HIGH SPEED GMLAN SERIAL DATA BUS + HORN FUSE 2 HUD CLASS 2 SERIAL DATA HUD MESSAGE CENTER INSTRUMENT PANEL CLUSTER (IPC) LOGIC LOGIC MESSAGE REQUEST ORG/ WIRE RED WIRE RED/WHT WIRE SPLICE PACK STARTER TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) VOLTS WHT WIRE YEL WIRE

19 13 SERIAL DATA CTSY LAMP V+ 19 23 SERIAL DATA CTSY LAMP V+ AJAR AJAR LEFT DOOR COURTESY LAMP CLOSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM 1037 745 746 CONSOLE COURTESY LAMP CONSOLE COURTESY LAMP SWITCH COURTESY LOW COURTESY V+ DK BLU WIRE DOME DOME SWITCH DRIVER DOOR LATCH (IN REAR OF DRIVER'S DOOR) CLOSE DRIVER DOOR MODULE (DDM) (IN DRIVER'S DOOR) DRIVER INFORMATION CENTER (DIC) SWITCH FRONT PASSENGER DOOR LATCH (IN REAR OF PASSENGER'S DOOR) FRONT PASSENGER DOOR MODULE (FPDM) (IN FRONT DOOR) GARAGE DOOR OPENER CTSY LAMPS +V GROUND GRY WIRE GRY/BLK WIRE HARNESS, AT BASE OF RIGHT A PILLAR BEHIND TRIM PANEL, GROUNDED TO HOT AT ALL TIMES I/P COMPARTMENT LAMP INADVERTMENT LOAD CONTROL PCB RELAY INADVERTMENT LOAD CTRL RLY INSIDE REARVIEW MIRROR INSTRUMENT PANEL CLUSTER (IPC) INTERIOR LIGHTS FUSE 17 LEFT COURTESY LAMP LEFT REAR COMPART- MENT COURTESY LAMP LEFT VANITY MIRROR LAMP LOGIC LOGIC LID AJAR SW SIG LT GRN WIRE NCA WIRE ORG/ WIRE PPL REAR COMPARTMENT LID PULL DOWN ACTUATOR (AT UPPER CENTER OF LUGGAGE COMPT) RED WIRE RIGHT COURTESY LAMP RIGHT DOOR COURTESY LAMP RIGHT REAR COMPARTMENT COURTESY LAMP RIGHT VANITY MIRROR LAMP SERIAL DATA SERIAL DATA LF DOOR AJAR RF DOOR AJAR SPLICE PACK SPLICE PACK SPLICE PACK TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) WHT WIRE

15.0 CM FROM PASSENGER'S REAR SPEAKER BREAKOUT) BLK WIRE CENTER HIGH MOUNTED STOP LAMP (CHMSL) DATA LINK CONNECTOR (DLC) DIODE DRIVER CLIMATE CONTROL SEAT MODULE DRIVER MEMORY SEAT MODULE DRIVER DOOR LATCH DRIVER DOOR MODULE (DDM) DRIVER EXTERIOR DOOR HANDLE DRIVER OUTSIDE REARVIEW MIRROR DRIVER SEAT PUMP ELECTRONIC SUSPENSION CONTROL (ESC) MODULE EXHAUST FLOW CONTROL MODULE EXHAUST FLOW CONTROL VALVE SOLENOID EXTERIOR REAR COMPARTMENT LID RELEASE SWITCH FOLDING TOP MODULE FOLDING TOP PUMP, VALVE 5 VALVE ASSEMBLY FUEL DOOR RELEASE ACTUATOR FUEL DOOR RELEASE SWITCH FUEL PUMP, SENDER ASSEMBLY HAZARD SWITCH HEAD UP DISPLAY (HUD) IGNITION MODE SWITCH INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INSTRUMENT PANEL CLUSTER (IPC) LEFT BACK-UP LAMP LEFT DOOR COURTESY LAMP LEFT LICENSE LAMP LEFT TAIL LAMP ASSEMBLY NCA WIRE REAR INTERIOR COMPARTMENT LID RELEASE SWITCH REAR WINDOW DEFOGGER GRID RIGHT BACK-UP LAMP RIGHT FUEL LEVEL SENSOR RIGHT LICENSE LAMP SPLICE PACK STEERING WHEEL CONTROL SWITCH ASSEMBLY STEERING WHEEL) SWITCH TURN SIGNAL/ MULTIFUNCTION SWITCH VALVE 1 VALVE 2 VALVE 3 VALVE 4 WHT WIRE WINDSHIELD WIPER MOTOR SWITCH WINDSHIELD WIPER/ WASHER SWITCH

ABS IND. AIR BAG IND B+ IPC BATTERY BLK WIRE BLU WIRE BRAKE FLUID LEVEL SWITCH (IN BRAKE FLUID RESERVOIR) BRAKE IND BRN WIRE BRN/WHT WIRE CLASS 2 (BCM) CLASS 2 (ECM) CLASS 2 (SDM) COMPUTER DATA LINES SYSTEM COOLANT TEMP DIC UP SW DIC SW ILLUM DIC SW DOME LAMP DIC RESET DIC OPTIONS DIC GROUND DIM DOWN SWITCH DIM UP SWITCH DIMMER SWITCH DIMMER/HEAD UP DISPLAY (HUD) SWITCH DK GRN/WHT WIRE DN UP DOME SWITCH DRIVER INFORMATION CENTER (DIC) SWITCH DRIVER INFORMATION CENTER: MESSAGE CENTER, INFORMATION DISPLAY, WARNING MESSAGES ENGINE SPEED VEHICLE SPEED PARK LAMP WASHER FLUID HAZARD FOG LAMP IND FUEL LEVEL GMLAN (EBCM) GMLAN (ECM) GMLAN CLASS 2 (BCM) GRN WIRE GROUND GROUND DIMMER UP DIMMER DOWN DIMMER SELECT GRY WIRE HEADLAMPS ON IND HIGH BEAM IND IGN ILLUM ILLUMINATION (3 BULBS) IMAGE SWITCH INFORMATION SWITCH INSTRUMENT PANEL CLUSTER (IPC) IPC KM/H IND LEFT TURN IND LOGIC LOW TIRE PRESSURE IND LT BLU WIRE MALFUNCTION IND MESSAGE REQUEST MPH IND OIL PRESSURE OPTIONS SWITCH ORG/ WIRE PANEL LAMP SUPPLY PANEL LAMPS PANEL LAMPS PARK BRAKE BRAKE FLUID PARK BRAKE PEDAL ASSEMBLY PNK 5 6 WIRE PNK WIRE PPL RED/WHT WIRE RESET SWITCH RIGHT TURN IND SEAT BELT IND SECURITY IND SERIAL DATA SPEEDOMETER TACHOMETER TAN/WHT WIRE TRACTION OFF IND TURN SIGNAL AUDIBLE IND UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) UPSHIFT IND VSS WHT WIRE WIPER/WASHER SYSTEM YEL WIRE

1047 1359 19 4 SERIAL DATA LCD BACKLIGHT 19 23 SERIAL DATA LCD BACKLIGHT AUTOMATIC TRANS- MISSION SHIFT LEVER BATTERY BLK WIRE BLU WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) LOGIC BRN WIRE BRN/WHT WIRE CLSTR/ HUD FUSE 26 COMPUTER DATA LINES SYSTEM DIM CTRL PANEL LMPS DIM DOWN SWITCH DIMMER SWITCH DIM UP SWITCH DIMMER/HEAD UP DISPLAY (HUD) SWITCH DRIVER DOOR LOCK SWITCH DRIVER DOOR MODULE (DDM) (IN DRIVER'S DOOR) DRIVER DOOR SWITCH ASSEMBLY (DDSA) DRIVER INFORMATION CENTER (DIC) SWITCH DRIVER INTERIOR DOOR HANDLE SWITCH (ON DRIVER'S INNER DOOR PANEL) FOLDING TOP CONTROL SWITCH FRONT PASSENGER DOOR LOCK SWITCH FRONT PASSENGER DOOR MODULE (FPDM) (IN FRONT DOOR) FRONT PASSENGER WINDOW SWITCH FUEL DOOR RELEASE SWITCH GRN WIRE GROUND GROUND DIMMER UP DIMMER DOWN DIMMER SELECT SPLY VOLT GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BLK WIRE HARNESS, AT BASE OF LEFT A PILLAR BEHIND TRIM PANEL, GROUNDED HAZARD SWITCH HEAD HOT AT ALL TIMES HVAC CONTROL MODULE (AT CENTER OF DASH) I/P FUSE BLOCK (FRONT OF RIGHT FRONT FOOTWELL, BEHIND CARPET) IGNITION MODE SWITCH REAR COMP- ARTMENT LID RELEASE SWITCH (INTERIOR) ILLUM ILLUM (3 BULBS) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (IN STEERING WHEEL) INSTRUMENT PANEL CLUSTER (IPC) INTERIOR LIGHTS FUSE 17 LOGIC MEMORY SEAT SWITCH ORG/ WIRE PANEL, GROUNDED TO PARK AUTO OFF PARK LAMP PARK LAMP RELAY 37 PARK LAMP SW SIGNAL PARK LAMPS FUSE 8 PASSENGER DOOR HANDLE SWITCH (INTERIOR) (ON DRIVER'S INNER DOOR PANEL) POWER DISTRIBUTION SYSTEM RADIO RED WIRE RED/WHT WIRE SEATS, MEMORY SYSTEMS SENSOR BREAKOUT) SERIAL DATA SERIAL DATA BATTERY PARK LAMPS PANEL LAMPS GROUND PANEL LAMPS SERIAL DATA ILLUM SUPPLY SPLICE PACK SPLY VOLT GROUND STEERING WHEEL CONTROL SWITCH ASSEMBLY STR WHL DIMMING FUSE 39 SUPPLY VOLT TAN WIRE TILT/ TELE SW/ MEM SEAT MOD FUSE 22 TRACTION CONTROL SWITCH TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) WHT WIRE YEL WIRE

11 12 PPL 5879 5878 PNK WIRE ACCA/ DRIV DR SW FUSE 21 IGNITION SW/INTR SENS FUSE 23 BATT+ VOLT BLK WIRE BLU WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) LOGIC BRN WIRE CLASS 2 (BCM) CLASS 2 DATA DK BLU WIRE DOOR LTCH CTRL DR AJAR SW SIG DR OPEN SW SIG DRIVER DOOR LOCK INDICATOR DRIVER DOOR LOCK SWITCH UN- LOCK LOCK DRIVER DOOR MODULE (DDM) (IN DRIVER'S DOOR) DRIVER DOOR SWITCH ASSEMBLY (DDSA) DRIVER EXTERIOR DOOR HANDLE SWITCH (IN DRIVER'S DOOR HANDLE ASSEMBLY) DRIVER INTERIOR DOOR HANDLE SWITCH (ON DRIVER'S INNER DOOR PANEL) FRONT PASSENGER DOOR LOCK SWITCH UN- LOCK LOCK FRONT PASSENGER DOOR MODULE (FPDM) (IN FRONT DOOR) GRY WIRE GRY/BLK WIRE HORN REL CNTRL HORNS SYSTEM HOT AT ALL TIMES IGN 1 VOLT INSTRUMENT PANEL CLUSTER (IPC) IPC CLASS 2 SERIAL DATA LCD LAMP UNLOCK SIG LOCK SIG GROUND BATTERY SERIAL DATA LOGIC LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PASSENGER DOOR LOCK INDICATOR PASSENGER EXTERIOR DOOR HANDLE SWITCH (IN DRIVER'S DOOR HANDLE ASSEMBLY) PASSENGER INTERIOR DOOR HANDLE SWITCH PK LAMP REL PNK WIRE PPL PPL/WHT WIRE REAR COMPARTMENT LID PULLDOWN ACTUATOR (AT UPPER CENTER OF LUGGAGE COMPARTMENT) RED/WHT WIRE SECURITY IND TAN WIRE TAN/WHT WIRE TRK AJAR SW SIG TRUNK, TAILGATE, FUEL DOORS SYSTEM WHT WIRE

AUTOMATIC TRANSMISSION PARK/ NEUTRAL SIGNAL BATT 3 FUSE 26 BATTERY BCM CLASS 2 SERIAL DATA BCM IGNITION MODE DATA SIGNAL BLK WIRE BLK/WHT WIRE BRAKE PEDAL POSITION SENSOR BRAKE POSITION SENSOR SIGNAL BRN WIRE CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM CRANK RELAY 43 ECM FUSE 16 ECM HIGH SPEED GMLAN SERIAL DATA BUS - ENGINE CONTROL MODULE (ECM) (LOWER RIGHT REAR OF ENGINE COMPT) GROUND GRY WIRE HIGH SPEED GMLAN SERIAL DATA BUS + IGNITION MODE SWITCH INSTRUMENT PANEL CLUSTER (IPC) IPC CLASS 2 SERIAL DATA LOGIC LOW REF LT GRN WIRE LT GRN/WHT WIRE MESSAGE CENTER MESSAGE REQUEST NCA WIRE OFF ORG/BLK WIRE PARK/NEUTRAL SIGNAL PNK WIRE PPL PRESS BRAKE TO START RED WIRE RUN/CRANK RELAY 7 RUN/CRANK RELAY CTRL SPLICE PACK STARTER STARTER ENABLE RELAY CONTROL STARTER FUSE 30 TAN WIRE TAN/BLK WIRE TEHC MODULE ASSEMBLY UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) YEL WIRE YEL/BLK WIRE

BANK 1 SENSOR 2 (RIGHT SIDE EXHAUST, AFTER CATALYTIC CONVERTER) BANK 2 SENSOR 2 (IN LEFT EXHAUST PIPE, AFTER CATALYTIC CONVERTER) BAROMETRIC PRESSURE (BARO) SENSOR (TOP LEFT SIDE OF ENGINE) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/ WHT WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LOWER RIGHT REAR OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE (ECT) SENSOR (REAR SIDE OF RIGHT CYLINDER HEAD) FROM ODD INJ FUSE 12 (DIAGRAM 4 OF 5) FUSE 6 GEN TURN ON SIG GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HEATED OXYGEN INSTRUMENT PANEL CLUSTER (IPC) INTAKE AIR TEMPERATURE SENSOR (IN AIR INTAKE) LOGIC CLASS 2 SER DATA IGN (ECM) ESS LT BLU WIRE LT GRN WIRE MIL IND MESSAGE CENTER NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK 12 13 14 15 16 17 18 19 WIRE PNK PNK WIRE PNK WIRE PPL PPL/WHT WIRE RADIO STARTING/ CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) VSS WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE