Cadillac XLR I (2003-2009) hud message center Wiring diagrams

ACC/TCM FUSE 3 ACCESSORY VOLTAGE DATA BUS - DATA BUS + IGNITION 1 VOLTAGE DATA BUS + DATA BUS - AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE COMPUTER DATA LINES SYSTEM ECM/TCM FUSE 11 GEAR HIGH TRANS TEMP SERVICE TRANS SHIFT TO PRK GMLAN (ECM) GRN WIRE GRY WIRE HEADS UP DISPLAY (HUD) (TOP LEFT SIDE OF DASH) HOT AT ALL TIMES HOT IN RUN OR START HUD CLASS 2 SERIAL DATA HUD MESSAGE CENTER IN SPEED SENSOR SIG BATTERY POSITIVE VOLT OUT SPEED SENSOR SIG INPUT/OUTPUT SPEED SENSORS (ISS/OSS) ASSEMBLY INSTRUMENT PANEL CLUSTER (IPC) INTERNAL MODE SWITCH (IMS) ASSEMBLY IPC CLASS 2 SERIAL DATA ISS SIGNAL BATTERY POS VOLT OSS SIGNAL LOGIC MESSAGE CENTER MESSAGE REQUEST (TCM) NCA WIRE ORG/BLK WIRE PARK/NEUTRAL SIG BATTERY POS VOLT GROUND STOP LAMP SW SIG TAP UP/DN SW SIG PNK WIRE POWER DISTRIBUTION SYSTEM PPL RED WIRE RED/WHT WIRE TAN WIRE TAN/BLK WIRE TAP UP/DWN GEAR TEHC MODULE ASSEMBLY UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) UP SHIFT IND WHT WIRE YEL WIRE YEL/BLK WIRE

A/C REFRIGERANT PRESSURE SENSOR (RIGHT SIDE OF ENGINE COMPT) ASPIRATOR BLOWER MOTOR BLK WIRE BLK/WHT WIRE BLOWER MOTOR BRN WIRE CHECK GAGES COMPUTER DATA LINES SYSTEM COOLANT OVER TEMP ENGINE HOT/STOP ENGINE LOW COOLANT DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE COOLANT TEMPERATURE (ECT) SENSOR (REAR SIDE OF RIGHT CYLINDER HEAD) GRY WIRE GRY/BLK WIRE HOT ENGINE-A/C OFF SERVICE A/C HUD CLASS 2 SERIAL DATA HUD MESSAGE CENTER INSIDE AIR TEMPERATURE SENSOR INSTRUMENT PANEL CLUSTER (IPC) MESSAGE CENTER IPC CLASS 2 SERIAL DATA LEFT AIR TEMPERATURE ACTUATOR (LEFT SIDE OF HVAC MODULE) LOGIC LOW REF LOW REF GND LOWER LEFT AIR TEMPERATURE SENSOR (ON LEFT SIDE OF HVAC MODULE) LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MESSAGE REQUEST IGN MESSAGE REQUEST MESSAGE REQUEST B+ MODE ACTUATOR (RIGHT SIDE OF HVAC MODULE) ORG/BLK WIRE PNK 17 18 WIRE PNK WIRE PNK/WHT WIRE RECIRCULATION ACTUATOR (RIGHT SIDE OF BLOWER MOTOR) RED WIRE RED/BLK WIRE RED/ORG WIRE RIGHT AIR TEMPERATURE ACTUATOR (RIGHT SIDE OF HVAC MODULE ASSEMBLY) RLY CTRL SENS SIG SERIAL DATA SPEED CTRL SPEED CTRL BAT B+ CONTROL PROCESSOR (RIGHT SIDE OF BLOWER GND GND MOTOR) LOGIC SPLICE PACK SUNLOAD SENSOR ASSEMBLY (UPPER CENTER OF DASH) SUPP VOL BAT TAN WIRE TAN/BLK WIRE WHT WIRE WHT/BLK WIRE YEL 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

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

1 2 ANTENNA ENABLE SIG FM COMPOSITE SIG ANTENNA GROUND PLANE AUXILIARY PWR RLY CTRL BARE BCM CLASS 2 SER DATA BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) BRN WIRE CLASS 2 DATA CLASS 2 SER DATA COAX COAX 2 3 4 COAX GPS ANTENNA SIG COAX RT RADIO ANT MOD SIG COMPARTMENT, UNDER BATTERY) COMPUTER DATA LINES SYSTEM DECKLID LINER ASSEMBLY DK BLU WIRE DK DK DK GRN WIRE DK GRN/WHT WIRE FM COMPOSITE SIGNAL GRN WIRE GROUND GROUND BATTERY VSS ANTENNA ENABLE SIG HEAD UP DISPLAY (HUD) (TOP LEFT SIDE OF DASH) HUD MESSAGE CENTER IGN INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (IN STEERING WHEEL) INSTRUMENT CLUSTER SYSTEM LEFT ANTENNA LEFT RADIO ANTENNA MODULE LH LOW LEV AUDIO (+) LH LOW LEV AUDIO (-) DRAIN LOGIC MESG REQ LOGIC STRNG WHL CTRL 2 SIG LT GRN WIRE LT RADIO ANTENNA MOD SIG LT RADIO MODULE SIG MUTE NCA WIRE ORG/ WIRE PNK 1 2 3 4 5 VOICE REC AUDIO SIG VOICE REC AUD LOW REF WIRE PNK 13 14 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL PPL 11 12 PPL PPL RADIO RADIO ANTENNA INDUCTOR RED/WHT WIRE RIGHT ANTENNA RIGHT RADIO ANTENNA MODULE RT ANTENNA AM SIG RT RADIO ANTENNA MOD SIG SEEK UP STEERING WHEEL CONTROL SWITCH ASSEMBLY TAN WIRE VOICE RECOG- NIZE SRCE WHT WIRE YEL WIRE