Cadillac XLR I (2003-2009) hot at all times 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

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 AJAR CLOSED OPEN ASSEMBLY BACK-UP KEYLESS ENTRY ANTENNA (UPPER RIGHT SIDE OF THE DASH) BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE DATA LINK CONNECTOR (DLC) (UNDER LEFT SIDE OF DASH) DK BLU WIRE DK GRN/WHT WIRE DOOR AJAR SWITCH DOOR LATCH DOOR OPEN SWITCH DRIVER DOOR LATCH ECM/ TCM FUSE 11 FRONT PASSENGER DOOR LATCH GRN WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES IGNITION MODE SWITCH INSTRUMENT PANEL, NEAR AUXILIARY POWER RELAY) K/E ANT B-U SIG K/E LOW REF K/E RIGHT SIG K/E RR COMPT SIG K/E B-U LO REF K/E ANTENNA SIG K/E RT LOW REF RR COMPT LO REF PPL LEFT KEYLESS ENTRY ANTENNA (TOP OF LEFT "B" PILLAR, UNDER TONNEAU COVER) LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PNK RFA CLASS 2 DATA WIRE PNK WIRE PNK/BLK WIRE PPL RED WIRE RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) (BEHIND RIGHT SIDE OF DASH) RIGHT KEYLESS ENTRY ANTENNA (TOP OF RIGHT "B" PILLAR, UNDER TONNEAU COVER) RT FRT EXT DR TRUNK REL SW SIG LF EXT DR SW SIG GROUND SHIFT INTERLOCK SYSTEM SPLICE PACK TAN WIRE TAN/WHT WIRE TRUNK, TAILGATE, FUEL DOORS SYSTEM UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) WHT 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

A/C COMP FUSE 15 A/C COMP RELAY 35 A/C COMPRESSOR CLUTCH (LOWER RIGHT FRONT OF ENGINE) A/C OFF SWITCH BLK LT GRN/ WIRE BLK WIRE BLK/PNK WIRE BLOWER SPEED SWITCH BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) BRN WIRE COMPT) COOLANT LEVEL SWITCH (LEFT SIDE OF ENGINE COOLFAN FUSE 25 DEFOG RLY CTRL DIMMING CTRL BLOWER CTRL DEFOGGER SYSTEM INTERIOR LIGHTS SYSTEM DEFROST CTRL DEFROST SWITCH DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE GND SERIAL DATA GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ RUN/ CRANK RELAY 7 ENERGIZED HVAC CONTROL MODULE (AT CENTER OF DASH) HVAC FUSE 28 HVAC/ PWR SND FUSE 29 IGN IGN 1 RELAY 44 INTERIOR LIGHTS SYSTEM TRANSMISSIONS SYSTEM ISRVM/ HVAC FUSE 25 LEFT AIR TEMPERATURE SWITCH LOGIC LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MIRRORS SYSTEM MODE CTRL MODE SWITCH NCA WIRE OFF CTRL ON UPPER RIGHT FRAME RAIL, GROUNDED TO PNK 17 18 WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE RECIRC CTRL RECIRCULATION SWITCH RED/BLK WIRE RED/WHT WIRE RIGHT AIR TEMPERATURE SWITCH SEATS SYSTEM SPEED CTRL SPLICE PACK SPLY VOLTAGE TAN WIRE TAN/BLK WIRE TEMP CTRL UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) VALET SWITCH WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

ACCESSORY VOLTAGE BATTERY BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOOR LOCKS SYSTEM DOOR LOCKS, INTERIOR LIGHTS SYSTEMS DR LOCKS FUSE 15 ENGINE CONTROLS, TRANSMISSIONS, WIPER/WASHER SYSTEMS GRY WIRE GRY/BLK WIRE HEADLAMP HI BEAM RLY CTRL HEADLIGHTS SYSTEM HOT AT ALL TIMES IGNITION MODE GND INTERIOR LIGHTS FUSE 17 LF DOOR AJAR SW SIG LF DOOR OPEN SW SIG LF TURN SIG LAMP SPLY VOL LOGIC LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE ORG/BLK WIRE PARK BRAKE RLY COIL 1 CTRL PNK WIRE POWER DISTRIBUTION SYSTEM PPL REAR COMPT LID AJAR SW SIG FOG LAMP RLY CTRL FRONT FOG LAMP RLY CTRL RF DOOR AJAR SW SIG RIGHT PARK LAMP OUT DETECT SIG SHIFT INTERLOCK SYSTEM (PARK BRAKE RELEASE CIRCUIT) TAN WIRE TAN/WHT WIRE TAP UP/DOWN ENABLE SIG TRANSMISSIONS SYSTEM TRUNK KEY SW SIG TRUNK RELEASE SW SUPPLY VOLTAGE TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK. TAILGATE, FUEL DOORS, DOOR LOCKS SYSTEMS HEADLIGHTS SYSTEM WHT WIRE YEL WIRE

BACKUP LAMP SPLY VOL BATT 3 FUSE 26 BATT 5 FUSE 7 BATTERY BATTERY BATTERY BATTERY BATTERY BATTERY BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) COURTESY LAMPS SUPPLY VOLTAGE FT PSNGR DR LATCH CTRL DK GRN WIRE DOOR LOCKS SYSTEM DRVR DR LATCH CTRL ELECTRONIC MUFFLERS SYSTEM EXTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM NAVIGATION SYSTEM (PARKING ASSIST CIRCUIT) HOT AT ALL TIMES IGN 1 VOLTAGE IGN MODE SW SPLY VOL INTERIOR LIGHTS SYSTEM DOOR LOCKS SYSTEM LOGIC LR STOP/TURN LAMP SUPPLY VOLTAGE COURTESY LAMP LOW CTRL LT GRN WIRE OF ENGINE COMPARTMENT) ORG/ WIRE PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION, NAVIGATION SYSTEMS POWER DISTRIBUTION, WIPER/WASHER SYSTEMS POWER DISTRIBUTION, SEATS SYSTEMS POWER DISTRIBUTION, SHIFT INTERLOCK SYSTEMS (PARK BRAKE RELEASE CIRCUIT) POWER DISTRIBUTION, TRANSMISSIONS SYSTEMS RED/BLK WIRE RED/WHT WIRE RR STOP/TURN LAMP SUPPLY VOLTAGE SOUND SYSTEMS POWER DISTRIBUTION SYSTEM COMPUTER DATA LINES SYSTEM STOP/B/U LPS FUSE 5 TAN WIRE UNDER- HOOD FUSE BLOCK (RIGHT REAR YEL WIRE

40 53 RLY CTRL RLY CTRL A/C COMP FUSE 15 A/C COMP RELAY 35 A/C COMPRESSOR CLUTCH (LOWER RIGHT FRONT OF ENGINE) BLK WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LOWER RIGHT REAR OF ENGINE COMPT) HOT AT ALL TIMES IGN 1 RELAY 44 SPLICE PACK UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) WHT/BLK WIRE

10 11 14 13 GMLAN DATA BUS + GMLAN DATA BUS - GMLAN DATA BUS + GMLAN DATA BUS - 2 5 3 4 GMLAN DATA BUS - GMLAN DATA BUS + GMLAN DATA BUS - GMLAN DATA BUS + 3 2 GMLAN DATA BUS - GMLAN DATA BUS + 33 53 GMLAN DATA BUS - GMLAN DATA BUS + 4.4L, 4.6L 40 22 21 39 GMLAN DATA BUS - GMLAN DATA BUS + GMLAN DATA BUS + GMLAN DATA BUS - 8 9 24 23 GMLAN DATA BUS - GMLAN DATA BUS + GMLAN DATA BUS + GMLAN DATA BUS - 8 9 GMLAN DATA BUS + GMLAN DATA BUS - ADAPTIVE CRUISE MODULE (ACM) (CENTER OF VEHICLE) AUDIO AMPLIFIER (BEHIND LEFT REAR SEAT BACK) AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CD CHANGER CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA DATA LINK CONNECTOR (DLC) (UNDER LEFT SIDE OF DASH) DIGITAL RADIO RECEIVER DRIVER MEMORY SEAT MODULE (UNDER DRIVER'S SEAT) DK BLU WIRE DOOR DRIVER DOOR MODULE (DDM) (IN DRIVER'S DOOR) ELECTRONIC BRAKE CONTROL MODULE (EBCM) (LEFT FRONT OF ENGINE COMPT) ELECTRONIC SUSPENSION CONTROL (ESC) MODULE (LEFT REAR OF LUGGAGE COMPT) ENGINE CONTROL MODULE (ECM) (LOWER RIGHT REAR OF ENGINE COMPT) EXHAUST FLOW CONTROL MODULE (LEFT REAR OF VEHICLE) FOLDING TOP MODULE (LEFT SIDE OF FOLDING TOP STORAGE COMPT) FRONT PASSENGER DOOR MODULE (FPDM) (IN FRONT GMLAN DATA BUS- GMLAN DATA BUS- GMLAN DATA BUS- GMLAN DATA BUS- GRY WIRE HEAD UP DISPLAY (HUD) (TOP LEFT SIDE OF DASH) INSTRUMENT PANEL CLUSTER (IPC) HEADLAMP MODULE (RIGHT REAR CORNER OF ENGINE COMPT) HIGH SPEED GMLAN SERIAL DATA BUS + HIGH SPEED GMLAN SERIAL DATA BUS + HIGH SPEED GMLAN SERIAL DATA BUS - HOT AT ALL TIMES HVAC CONTROL MODULE (AT CENTER OF DASH) LOGIC LOGIC HIGH SPEED GMLAN SERIAL DATA BUS - LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE PNK WIRE PPL RADIO REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) (BEHIND RIGHT SIDE OF DASH) REAR FOG/ALDL FUSE 30 RED/WHT WIRE SPLICE PACK TAN WIRE TAN/BLK WIRE W/ ONSTAR W/O ONSTAR 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