Cadillac XLR I (2003-2009) grn 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

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

AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION SHIFT LEVER BACKUP LAMP RLY CTRL BLK WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) CLASS 2 SER DATA COMPUTER DATA LINES SYSTEM GRN WIRE GROUND GRY WIRE HI SPD SER DATA + HI-SPEED GMLAN SER DATA BUS- HOT AT ALL TIMES HOT W/ RUN/ CRANK RELAY 7 ENERGIZED INTERNAL MODE SWITCH (IMS) ASSEMBLY LEFT BACKUP LAMP LOGIC LT GRN WIRE NAVIGATION SYSTEM ORG/BLK WIRE PARK NEUTRAL SIGNAL PARK/NEUTRAL SIGNAL PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL RED WIRE REVERSE LAMP RELAY 6 REVERSE LAMPS FUSE 9 RIGHT BACKUP LAMP STOP/ B/U/LPS FUSE 5 TAN WIRE TAN/BLK WIRE TAP DWN - TAP UP + TAP UP/ DOWN SWITCH TAP UP/ DWN SW TEHC MODULE ASSEMBLY TRANSMISSION RANGE SIGNAL A TRANSMISSION RANGE SIGNAL B TUTD SW/ STRG COL SW FUSE 28 UNDERHOOD FUSE BLOCK WHT WIRE

BEHIND CARPET) BLK WIRE BLOWER SPD CTRL BLOWER TACHO SIG BLU WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) BRN WIRE DK BLU WIRE DK GRN WIRE DRIVER CLIMATE CONTROL SEAT MODULE (UNDER DRIVER SEAT) DRIVER HEATED/COOLED SEAT BLOWER MOTOR (UNDER DRIVER SEAT) DRIVER SEAT BACK HEATED/ COOLED VENTILATION MODULE (IN DRIVER SEAT BACK) DRIVER SEAT CUSHION HEATED/ COOLED VENTILATION MODULE (IN DRIVER SEAT CUSHION) DRIVER SEAT TEMP CTRL SW SIG ELEMENT FAN LOW REF FAN VOLT REF GND IGN GRN WIRE GRY WIRE HEATED SEAT LH FUSE 42 HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY 2 ENERGIZED HVAC CONTROL MODULE (AT CENTER OF DASH) HVAC HEATED/ COOL SEAT MODE SIG I/P FUSE BLOCK (FRONT OF RIGHT FRONT FOOTWELL, IGN LOGIC LT BLU/WHT WIRE LT GRN WIRE NCA WIRE ORG/ WIRE PNK IGN 1 VLT GROUND BATT POS VOLT WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL RED WIRE RED/WHT WIRE RPA/H/C SEAT/WIPR RELAYS FUSE 14 SENSOR SIG TEMP CTRL SWITCH TEMP SENSOR LOW REF TEMP SENSOR LOW REF TEMP SENSOR SIG TEMP SENSOR SIG TEMP SENSOR LOW REF TEMP SENSOR SIG VENTILATION MODULE COOL CTRL VENTILATION MODULE HEAT CTRL WHT WIRE YEL WIRE YEL/BLK 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 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

BEHIND CARPET) BLK WIRE BLOWER SPD CTRL BLOWER SPD CTRL BLU WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) BRN WIRE BRN/WHT WIRE DK BLU WIRE ELEMENT FAN LOW REF FAN VOLT REF GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY 2 ENERGIZED HTD SEAT RH FUSE 41 HVAC CONTROL MODULE (AT CENTER OF DASH) HVAC HEATED/ COOL SEAT MODE SIG I/P FUSE BLOCK (FRONT OF RIGHT FRONT FOOTWELL, IGN IGN GND LOGIC LT BLU WIRE LT GRN WIRE NCA WIRE PASS SEAT TEMP CTRL SW SIG PASSENGER CLIMATE CONTROL SEAT MODULE (UNDER PASSENGER SEAT) PASSENGER HEATED/COOLED SEAT BLOWER MOTOR (UNDER PASSENGER SEAT) PASSENGER SEAT BACK HEATED/ COOLED VENTILATION MODULE (IN PASSENGER SEAT BACK) PNK IGN 1 VLT GROUND BATT POS VOLT WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL RED WIRE RED/WHT WIRE RPA/H/C SEAT/WIPR RELAYS FUSE 14 SENSOR SIG TAN WIRE TEMP CTRL SWITCH TEMP SENSOR LOW REF TEMP SENSOR SIG VENTILATION MODULE COOL CTRL VENTILATION MODULE HEAT CTRL WHT 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