Cadillac XLR I (2003-2009) tan Wiring diagrams

11 6 VEHICLE SPEED SIGNAL HUD CLASS 2 SERIAL DATA 2500 2501 COMPUTER DATA LINES SYSTEM 5 1 PNK WIRE 5 VOLT REF 53 33 SERIAL DATA BUS + SERIAL DATA BUS - ACCELERATION PEDAL POSITION (APP) SENSOR (TOP OF ACCELERATOR PEDAL ASSEMBLY) AUTOMATIC TRANSMISSION AUXILIARY PW RLY COIL SUPPLY VOLTAGE BATTERY POSITIVE VOLTAGE BLK TAN/ WIRE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT RIGHT SIDE OF DASH) BRAKE PEDAL POSITION SWITCH SIGNAL BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH CRUISE CTRL SET/COAST, RESUME/ ACCEL SW SIGNAL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LOWER RIGHT REAR OF ENGINE COMPT) FUSE GAP ADJUST SWITCH SIGNAL GRN WIRE GROUND GRY WIRE HEADS UP DISPLAY (HUD) (TOP LEFT SIDE OF DASH) HIGH SPEED GMLAN SERIAL DATA BUS + HIGH SPEED GMLAN SERIAL DATA BUS - HOT AT ALL TIMES HUD MESSAGE CENTER CRUISE SPEED SET XXX INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (IN STEERING WHEEL) INPUT/OUTPUT SPEED SENSORS (ISS/OSS) ASSEMBLY LOGIC LOGIC INSTRUMENT PANEL CLUSTER (IPC) LOW REF LT BLU WIRE MESSAGE REQUEST NCA WIRE OFF RESUME/ ACCEL + OSS SIGNAL BATT + VOL ISS SIGNAL PNK (NOT USED) WIRE PNK WIRE PPL RADIO RED WIRE RED/WHT WIRE SET/COAST STOP LAMP SWITCH SIGNAL SWITCH SIGNAL DATA BUS - DATA BUS + ISS SIGNAL BATT + VOL OSS SIGNAL TAN WIRE TAN/BLK WIRE TEHC MODULE ASSEMBLY THROTTLE ACTUATOR CONTROL (TAC) MOTOR THROTTLE BODY ASSEMBLY (TOP OF ENGINE, AT INTAKE MANIFOLD) THROTTLE POSITION (TP) SENSOR TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) VEHICLE SPEED SIGNAL WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE

5 1 PNK WIRE 5 VOLT REF 53 33 SERIAL DATA BUS + SERIAL DATA BUS - 6 10 11 SWITCH SIGNAL DATA BUS - DATA BUS + ISS SIGNAL BATT + VOL OSS SIGNAL ACC/ TCM FUSE ADAPTIVE CRUISE CONTROL MODULE (ACM) (CENTER OF VEHICLE) ALERT DISTANCE CRUISE SPEED LIMITED FOLLOW DISTANCE SET SPEED SET XX MPH AUTOMATIC TRANSMISSION BCM HIGH SPEED GMLAN SERIAL DATA BUS + BLK TAN/ WIRE BLK WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) BRAKE PEDAL POSITION SWITCH SIGNAL BRN WIRE CAN-BUS CAN-BUS COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH CRUISE CTRL SET/COAST, RESUME/ ACCEL SW SIGNAL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LOWER RIGHT REAR OF ENGINE COMPT) FORWARD LOOKING SENSOR (FLS) GRN WIRE GROUND GRY WIRE HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY ENERGIZED IN ENGINE COMPT, ON UPPER RIGHT FRAME RAIL, INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (IN STEERING WHEEL) INPUT/OUTPUT SPEED SENSORS (ISS/OSS) ASSEMBLY LOGIC BCM HIGH SPEED GMLAN SERIAL DATA BUS - LOGIC HUD CLASS 2 SERIAL DATA LOGIC HUD CLASS 2 SERIAL DATA VEHICLE SPEED SIGNAL LOW REF LT GRN/BLK WIRE MESSAGE CENTER INSTRUMENT PANEL CLUSTER (IPC) MESSAGE REQUEST MESSAGE REQUEST B+ NCA WIRE OFF RESUME/ ACCEL + OSS SIGNAL BATT + VOL ISS SIGNAL PNK 1 5 2 4 3 IGN 1 BATT GND CAN BUS + CAN BUS - WIRE PNK IGN 1 VOLT BATT POSITIVE VOLT WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL RADIO 39 7 VEHICLE SPEED SIG STOP LAMP SW SIG RED WIRE RED/WHT WIRE RUN/ CRANK RELAY RUN/ CRANK RLY CTRL SERIAL DATA BUS (+) SERIAL DATA BUS (-) SET/COAST SPLICE PACK STEERING WHEEL CONTROL SWITCH ASSEMBLY TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TEHC MODULE ASSEMBLY THROTTLE ACTUATOR CONTROL (TAC) MOTOR THROTTLE BODY ASSEMBLY (TOP OF ENGINE, AT INTAKE MANIFOLD) THROTTLE POSITION (TP) SENSOR TIGHT CURVE HUD MESSAGE CENTER HEADS UP DISPLAY (HUD) (TOP LEFT SIDE OF DASH) TURN SIGNAL/ MULTIFUNCTION SWITCH TUTD SW/ STRG COL SW FUSE ACCA/DRIV DR SW FUSE UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) VEHICLE SPEED SIGNAL WHT WIRE YEL WIRE

1 2 3 4 5 6 7 LOW REF GROUND BATT SUPP VOL 1250 342 (RIGHT SIDE OF ENGINE COMPT) BLK WIRE CHECK GAUGES COMPUTER DATA LINES SYSTEM COOLANT LEVEL SWITCH (LEFT SIDE OF ENGINE COMPT) COOLANT OVER TEMP ENGINE HOT/STOP ENGINE LOW COOLANT COOLFAN FUSE 25 COOLING FAN MOTOR (LOWER FRONT OF ENGINE) DK GRN WIRE ENGINE CONTROL MODULE (ECM) (LOWER RIGHT REAR OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE (ECT) SENSOR (REAR SIDE OF RIGHT CYLINDER HEAD) FAN CONTROL MODULE (AT LOWER RIGHT OF COOLING FAN) GRY WIRE HOT AT ALL TIMES HUD CLASS 2 SERIAL DATA IGN MESSAGE REQUEST INSTRUMENT PANEL CLUSTER (IPC) MESSAGE CENTER IPC CLASS 2 SERIAL DATA LOGIC LOGIC HVAC CONTROL MODULE (AT CENTER OF DASH) MESSAGE REQUEST IGN RED WIRE RED/BLK WIRE RED/ORG WIRE SERIAL DATA IND CTRL SPEED CTRL TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) WHT WIRE YEL WIRE YEL/BLK WIRE

19 12 CLASS 2 SER DATA HTD MIRROR ELMNT PWR 19 2 CLASS 2 SER DATA HTD MIRROR ELMNT PWR BATT 2 FUSE 29 BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DEFOG CTRL CLASS 2 SER DATA DEFOGGER SWITCH DK GRN WIRE DRIVER DOOR MODULE (DDM) (IN DRIVER'S DOOR) DRIVER OUTSIDE REARVIEW MIRROR (OUTSIDE OF DRIVER'S DOOR) FRONT PASSENGER DOOR MODULE (FPDM) (IN FRONT DOOR) HEATED MIRROR ELEMENT HOT AT ALL TIMES HVAC CONTROL MODULE (AT CENTER OF DASH) IGN DEFOG RLY CTRL LOGIC NCA WIRE ORG/ WIRE PASSENGER OUTSIDE REARVIEW MIRROR (OUTSIDE OF PASSENGER'S DOOR) REAR DEFOG RELAY 40 REAR WINDOW REAR WINDOW DEFOGGER GRID RED WIRE TAN WIRE UNDER- HOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) WHT WIRE

5 VOLT REF 5 VOLT REF LOW REF STR WHL POS SIG B STR WHL POS SIG A ABS FUSE 27 BLK/WHT WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DK LT ELECTRONIC BRAKE CONTROL MODULE (EBCM) (LEFT FRONT OF ENGINE COMPT) GMLAN BUS- GRN WIRE GROUND HOT AT ALL TIMES LOW REF LT BLU WIRE LT GRN WIRE LT LT OF ENGINE, ABOVE GENERATOR) RED WIRE RED/BLK WIRE SIGNAL A SIGNAL B STEERING ANGLE SENSOR TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) VARIABLE EFFORT STEERING ACTUATOR (LOWER FRONT OF VEHICLE, ON STEERING GEAR) VESA SUP VOLT VESA CONTROL B+ B+ WHT WIRE

ABS/ MRRTD/ AFS FUSE 1 BLK WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) CLUSTER/ HUD FUSE 26 COMPUTER DATA LINES SYSTEM DK BLU/WHT WIRE DK GRN WIRE ELECTRONIC SUSPENSION CONTROL (ESC) MODULE (LEFT REAR OF LUGGAGE COMPT) GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IPC CLASS 2 LEFT FRONT SUSPENSION DAMPER RIGHT REAR SUSPENSION DAMPER LEFT FRONT SUSPENSION POSITION SENSOR (TOP OF RIGHT FRONT SUSPENSION) LEFT REAR SUSPENSION POSITION SENSOR (AT TOP OF LEFT REAR SUSPENSION) LOGIC INSTRUMENT PANEL CLUSTER (IPC) LOW REFERENCE LOW REFERENCE LOW REFERENCE LOW REFERENCE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MESSAGE CENTER MESSAGE REQUEST MRRTD FUSE 13 NCA WIRE ORG/BLK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL/WHT WIRE RED WIRE RED/WHT WIRE RIGHT FRONT SUSPENSION DAMPER RIGHT REAR SUSPENSION POSITION (AT TOP OF RIGHT REAR SUSPENSION) SERIAL DATA BUS (+) SERIAL DATA BUS (-) SERVICE RIDE CONTROL TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT)

A/C COMP CLUTCH RLY ACC VLT IGN 1 VLT BATT POS VLT ACCELERATOR PEDAL POSITION (APP) SENSOR (TOP OF ACCELERATOR PEDAL ASSEMBLY) AIR CONDITIONING SYSTEM BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM FUSE 16 ECM/ TCM FUSE 11 MRRTD FUSE 13 ENG SPEED SIG ENGINE CONTROL MODULE (ECM) (LOWER RIGHT REAR OF ENGINE COMPT) ETC FUSE 9 EVAP VENT SOL CTRL STR ENABLE RLY CTRL EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID GND LOW REF GRY WIRE HOT AT ALL TIMES IAT SENS SIG IGN 1 RELAY 44 LOGIC LOGIC INTAKE AIR TEMPERATURE (IAT)/ MASS AIR FLOW (MAF) SENSOR (IN AIR INTAKE) LOW REF LOW REF LOW REF PPL LT BLU WIRE LT GRN WIRE MAF SENS SIG IGN 1 VOL MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR (RIGHT SIDE OF INTAKE MANIFOLD) MIL CTRL FUEL PMP RLY CTRL ORG/BLK WIRE PNK PNK WIRE PNK WIRE PPL RED/WHT WIRE RUN/ CRANK RELAY 7 RUN/ CRANK RLY CTRL STARTING/ CHARGING SYSTEM STOP LAMP SW SIG STP LMP SW SIG VLT SIG TAN WIRE TAN/BLK WIRE TO EMISSION FUSE 14 (DIAGRAM 4 OF 5) TRANSMISSIONS SYSTEM VEHICLE SPEED SIG WHT WIRE WHT/BLK WIRE 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

13 14 15 16 PNK WIRE 4 5 6 7 PNK WIRE A/C PRESS SENS SIG AIR CONDITIONING SYSTEM BARO SENS SIG BLK WIRE BLK/WHT WIRE BRN WIRE BYPASS VALVE CTRL CHARGE AIR COOLER (CAC) COOLANT PUMP COMPUTER DATA LINES SYSTEM COOL FAN SPD CTRL COOLANT PMP RLY CTRL DATA BUS - DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECT SEN SIG ENGINE CONTROL MODULE (ECM) (LOWER RIGHT REAR OF ENGINE COMPT) EVAP CNSTR PUR SOL CTRL FUEL LEVEL SENSOR FUEL PUMP FUSE 10 FUEL PUMP LEFT FUEL LEVEL SENSOR FUEL PUMP RELAY 55 FUEL TANK PRESSURE (FTP) SENSOR GEN FIELD DUTY CYC SIG GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES LOW REF LT BLU WIRE LT GRN WIRE MAP SEN SIG OF ENGINE COMPARTMENT) OIL LEV SW SIG ORG/BLK WIRE PARK/NEUTRAL SIG PNK 12 13 14 15 16 17 18 19 WIRE PNK PNK WIRE PNK WIRE PPL PPL/WHT WIRE REAR OF ENGINE COMPT BY BATTERY, RED/WHT WIRE RIGHT FRAME RAIL) STARTING/ CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (RIGHT REAR W/S WASH/ INTERCOOL FUSE 17 WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

13 14 15 16 PNK WIRE 2 3 PPL 4 5 6 7 PNK WIRE BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE EMISSION FUSE 14 ENGINE OIL LEVEL/TEMPERATURE SENSOR ENGINE OIL PRESSURE (EOP) SENSOR (LOWER LEFT SIDE OF ENGINE) EVEN INJ FUSE 16 FROM IGN 1 RELAY 44 (DIAGRAM 1 OF 5) FUSE 6 (DIAGRAM 2 OF 5) GRY WIRE GRY/WHT WIRE IC 1 CTRL IC 2 CTRL IC 3 CTRL IC 4 CTRL IC 5 CTRL IC 6 CTRL IC 7 CTRL IC 8 CTRL IGN 1 VOL IGNITION COILS (TOP OF LEFT CYLINDER HEAD) IGNITION COILS (TOP OF RIGHT CYLINDER HEAD) LOW REF LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE ODD INJ FUSE 12 ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PPL PPL PNK WIRE PPL/WHT WIRE RED WIRE SUPERCHARGER INLET AIR PRESSURE (SCIAP) SENSOR SUPERCHARGER VACCUM BYPASS VALVE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE YEL WIRE YEL/BLK WIRE