Cadillac XLR I (2003-2009) sunload sensor assembly (upper center of dash) Wiring diagrams

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

16 3 4 FOG LMP SW SIG LOW BEAM IN HI BEAM SIG 29 19 HI BM RLY CTRL FOG LMP RLY CTRL 51 17 15 5 FTP SW SIG HDLMPS OFF HDLMPS ON PRK LMP ON SIG AIR CONDITIONING SYSTEM BLK WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CLASS 2 (BCM) CLASS 2 (BCM) CLASS 2 (BCM) CLASS 2 SER DATA COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE ENGINE COMPT, ON UPPER FOG LP FUSE 22 FOG RELAY 38 FRONT FOG LAMP SWITCH FTP GRY WIRE HEAD HEAD- LAMPS ON IND HIGH BEAM IND FOG LAMPS ON HIGH BEAM RELAY 39 HIGH PPL HOT AT ALL TIMES HVAC CONTROL MODULE (AT CENTER OF DASH) INSTRUMENT PANEL CLUSTER LEFT HEAD- LAMP BALLAST LEFT HEAD- LAMP HIGH BEAM SOLENOID LOW (NOT USED) FTP LOW BEAM RELAY 47 LOW REF LT BLU WIRE LT GRN WIRE LT HI BM FUSE 24 LT LO BM FUSE 21 NCA WIRE OFF AUTO ON UPPER RIGHT FRAME RAIL) GROUNDED ORG/ WIRE PARK PNK PNK WIRE PNK/WHT WIRE PPL PPL PPL RIGHT FRONT FOG LAMP LEFT FRONT FOG LAMP RIGHT HEAD- LAMP BALLAST RIGHT HEAD- LAMP HIGH BEAM SOLENOID RT HI BM FUSE 23 RT LO BM FUSE 19 SEN SIG SER DATA SUNLOAD SENSOR ASSEMBLY (UPPER CENTER OF DASH) TAN WIRE TAN/WHT WIRE TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) WHT WIRE YEL WIRE