Cadillac XLR I (2003-2009) splice pack Wiring diagrams

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

ADAPTIVE CRUISE MODULE (ACM) AUTOMATIC TRANSMISSION SHIFT LEVER AUXILIARY POWER OUTLET AUXILIARY POWER RELAY BLK WIRE BLOWER MOTOR CONTROL PROCESSOR BODY CONTROL MODULE (BCM) BRAIDED CIGAR LIGHTER CONSOLE COURTESY LAMP SWITCH FRONT PASSENGER DOOR LOCK SWITCH FRONT PASSENGER DOOR MODULE (FPDM) FRONT PASSENGER SEAT ADJUSTER SWITCH FRONT PASSENGER WINDOW SWITCH GARAGE DOOR OPENER HVAC CONTROL MODULE I/P COMPARTMENT LAMP INFLATABLE RESTRAINT FRONT PASSENGER PRESENCE SYSTEM (PPS) MODULE INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) INSIDE REARVIEW MIRROR LEFT VANITY MIRROR LAMP NCA WIRE OUTSIDE MOISTURE SENSOR PARK BRK HOLD RELAY PARK BRK RELEASE RELAY PASSENGER CLIMATE CONTROL SEAT MODULE FRONT PASSENGER SEAT PUMP PASSENGER DOOR LOCK INDICATOR PASSENGER EXTERIOR DOOR HANDLE SWITCH PASSENGER INTERIOR DOOR HANDLE SWITCH PASSENGER OUTSIDE REARVIEW MIRROR REAR COMPARTMENT LID PULLDOWN ACTUATOR FRONT PASSENGER DOOR LATCH REAR OBJECT SENSOR CONTROL MODULE RIGHT TAIL LAMP ASSEMBLY RIGHT DOOR COURTESY LAMP RIGHT VANITY MIRROR LAMP SPLICE PACK TRACTION CONTROL SWITCH VALET SWITCH WHT WIRE

25 39 12 ENG SPEED VSS MIL CTRL 4.6L 44 9 45 FUEL LVL 1 LOW REF FUEL LVL 2 45 65 LOW REF ENG OIL SENS 53 33 SERIAL DATA + SERIAL DATA - 60 24 40 OIL PRES SIG LOW REF BATTERY POSITIVE VOLTAGE BELT SWITCH BLK WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) CLSTR/ HUD FUSE 26 BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN/WHT WIRE DRIVER SEAT BELT BUCKLE DRIVER SEAT BELT SWITCH ECT SIG ENGINE CONTROL MODULE (ECM) (LOWER RIGHT REAR OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE (ECT) SENSOR (REAR SIDE OF RIGHT CYLINDER HEAD) ENGINE OIL LEVEL, TEMPERATURE SENSOR ENGINE OIL PRESSURE (EOP) SENSOR (LOWER LEFT SIDE OF ENGINE) FUEL LEVEL SENSOR (LEFT) FUEL LEVEL SENSOR (RIGHT) (TOP OF RIGHT FUEL TANK) FUEL PUMP, SENDER ASSEMBLY (IN LEFT FUEL TANK) GROUND GRY WIRE HEAD UP DISPLAY (HUD) (TOP LEFT SIDE OF DASH) HOT AT ALL TIMES HUD MESSAGE CENTER IMAGE DOWN SIGNAL IMAGE UP IMAGE DOWN IMAGE UP SIGNAL INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (UNDER CENTER CONSOLE) LOGIC LOW REF LT BLU WIRE MESSAGE REQUEST NCA WIRE OIL LVL SW PNK 5 6 WIRE PNK LOW REF WIRE PNK WIRE RADIO REAR OBJECT SENSOR CONTROL MODULE (BEHIND REAR COMPT STOWAGE TRIM PANEL) RED/WHT WIRE SERIAL DATA SPLICE PACK TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDER SEAT BASE) UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) VEHICLE SPEED SIGNAL VSS WHT WIRE 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 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

BATT 2 FUSE 29 BATTERY POSITIVE VOLTAGE GROUND BLK WIRE BRN WIRE CLASS 2 SERIAL DATA CLOSE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE FOLDING TOP CONTROL SWITCH FOLDING TOP CTRL SW OPEN SIG FOLDING TOP CTRL SW CLOSE SIG ACCESSORY VOLTAGE FOLDING TOP MODULE (LEFT SIDE OF FOLDING TOP STORAGE COMPT) FOLDING TOP POSITION SENSOR FRONT TONNEAU POSITION SENSOR GRY WIRE GRY/BLK WIRE HARD TOP CONNECTED SIG HEADER LATCH SW SIG HEADER UNLATCH SW SIG HEADER LATCH HOT AT ALL TIMES LOGIC HVAC CONTROL MODULE (AT CENTER OF DASH) LOW REF THERMAL SENSOR SIG LT BLU WIRE LT GRN WIRE LUGGAGE BARRIER SWITCH SIG NCA WIRE ORG/ WIRE PANEL, GROUNDED PNK PPL 1 2 WIRE PNK PPL WIRE POSITION PPL PPL PPL REAR COMPARTMENT LID RELEASE/ CLOSE SWITCH (RIGHT SIDE OF REAR COMPT LID) REAR TONNEAU POSITION SENSOR RED/BLK WIRE RED/WHT WIRE SPLICE PACK TAN WIRE TAN/WHT WIRE TOP OPEN CTRL UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) VALET SW SIG CLASS 2 SERIAL DATA VALET SWITCH WHT WIRE YEL WIRE

AUXILIARY POWER RELAY (BEHIND RIGHT SIDE OF DASH) AUXILIARY POWER RELAY COIL SUPPLY VOLTAGE BATT 1 FUSE 33 BLK WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) BRN WIRE DECK LID CLOSE/ PRK/BRK B FUSE 32 DK BLU WIRE FOLDING TOP CLOSED SWITCH (TOP OF RIGHT "A" PILLAR) FOLDING TOP PUMP MOTOR FOLDING TOP PUMP, VALVE ASSEMBLY (LEFT SIDE OF FOLDING TOP STORAGE COMPARTMENT) GRN WIRE GRY WIRE GRY/BLK WIRE HEADER LATCH SWITCH HEADER UNLATCH SWITCH HOT AT ALL TIMES LT BLU WIRE LT GRN WIRE LUGGAGE BARRIER SWITCH NCA WIRE PNK PPL 1 2 WIRE PNK WIRE PPL REAR COMPARTMENT LID OPEN SWITCH REAR COMPARTMENT LID PULLDOWN ACTUATOR (AT UPPER CENTER OF LUGGAGE COMPT) RED WIRE RED/BLK WIRE RED/WHT WIRE SPLICE PACK TAN WIRE TAN/WHT WIRE THERMAL TILT/TELE SW/MEM SEAT MOD FUSE 22 UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) VALVE 1 VALVE 2 VALVE 3 VALVE 4 VALVE 5 WHT WIRE YEL WIRE

ACCA/DRIV DR SW FUSE 21 BATTERY POSITIVE VOLT BLK WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM DDM CLASS 2 SER DATA DOWN DR CNTRLS CIRCUIT BREAKER 34 DRIVER DOOR MODULE (DDM) (IN DRIVER'S DOOR) DRIVER DOOR SWITCH ASSEMBLY (DDSA) DRIVER WINDOW MOTOR (IN CENTER OF DRIVER'S DOOR) DRIVER WINDOW SWITCH DRIVER WNDO DOWN SIGNAL DRIVER WNDO EXPRESS SIG DRIVER WNDO UP SIGNAL EXPRESS UP/DOWN FRONT PASSENGER DOOR MODULE (FPDM) (IN FRONT DOOR) FRONT PASSENGER WINDOW MOTOR (CENTER OF PASSENGER'S DOOR) FRONT PASSENGER WINDOW SWITCH GROUND GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (FRONT OF RIGHT FRONT FOOTWELL, BEHIND CARPET) LOGIC PASS WNDO DOWN SIGNAL PASS WNDO EXPRESS SIG PASS WNDO UP SIGNAL PASSENGER WINDOW SWITCH PDM CLASS 2 SER DATA POWER WINDOW MOTOR FR PASSENGER DOWN SIG POWER WINDOW MOTOR FRONT PASSENGER UP SIG POWER WINDOW MOTOR LEFT FRONT UP CONTROL POWER WINDOW MOTOR LT FRONT DOWN CONTROL POWER WINDOW MOTOR RIGHT FRONT UP CONTROL POWER WINDOW MOTOR RT FRONT DOWN CONTROL PPL PPL POWER WINDOW SWITCH RIGHT FRONT EXPRESS SIG RED WIRE RED/WHT WIRE SERIAL DATA SPLICE PACK TAN WIRE 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