Cadillac STS I (2004-2007) a/c comp clutch relay Wiring diagrams

1 2 3 4 5 LOW REF 5 VOLT REF IGNITION 3 VOLT RECIRC DR POS SIG RECIRC DR CNTRL A/C COMP CLUTCH RELAY AMBIENT LIGHT SENSOR SIG BATTERY LED BACKLIGHT DIMMING CNTRL BLK WIRE BLK/WHT WIRE BLOWER FUSE BLOWER RELAY BRN WIRE CCP FUSE COMP CLTCH FUSE COOLANT LEVEL SWITCH SIGNAL MED BLOWER MOTOR CTRL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EVAPORATOR TEMPERATURE SENSOR (INSIDE HVAC CASE, AT EVAPORATOR CORE) GRN WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN RUN OR START HVAC CONTROL MODULE (IN CENTER OF DASH, BELOW RADIO) INSIDE AIR TEMPERATURE SENSOR (ON DASH, RIGHT OF STEERING COLUMN) LEFT SUNLOAD SENSOR SIGNAL LOW REFERENCE LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE PNK 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 WIRE PNK LT WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWER SEAT SYSTEM (HEATED SEAT CIRCUIT) PPL PPL PPL PPL LT PPL/WHT WIRE RECIRC DOOR CTRL RECIRCULATION ACTUATOR (ON HVAC MODULE, LEFT OF BLOWER MOTOR) RED WIRE RED/WHT WIRE RIGHT SUNLOAD SENSOR SIGNAL RUN WIRE SOLID STATE SUNLOAD SENSOR (CENTER OF DASH, IN DEFROST GRILL) TAN WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPARTMENT) WASH NOZ/ AQS FUSE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

2 1 2501 2500 COMPUTER DATA LINES SYSTEM SERIAL DATA SERIAL DATA 3.6L 4.6L A/C COMP CLUTCH RELAY A/C COMPRESSOR CLUTCH A/C REFRIGERANT PRESSURE SENSOR (NEAR THE LEFT FRONT STRUT TOWER) BLK WIRE BLK/WHT WIRE COMP CLTCH FUSE COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (FRONT OF ENGINE, ON RIGHT VALVE COVER) ENGINE CONTROLS SYSTEM FEED GRY WIRE HOT AT ALL TIMES HOT W/ IGN 1 RELAY ENERGIZED IGN 1 FUSE ORG/ WIRE ORG/BLK (OR RED/BLK) WIRE ORG/BLK WIRE PNK WIRE RED WIRE RED/BLK WIRE RIGHT REAR FUSE BLOCK (UNDER RIGHT SIDE OF REAR SEAT) RTN S107 (3.6L) (IN ENGINE HARN, 36 CM FROM BRAKE PRESSURE SENSOR CONNECTOR) SERIAL DATA SIG SPLICE PACK TAN (OR BLK/WHT) WIRE TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPARTMENT) WHT WIRE

3.6L 4.6L A/C COMP CLUTCH RELAY AUXILIARY POWER OUTLET BANK 1 SENSOR 2 BANK 1 SENSOR 2 CONN) (4.6L: ENGINE HARN, BANK 2 SENSOR 2 BLK WIRE ENGINE CONTROL MODULE (ECM) EVEN INJ/ COILS FUSE FOG LAMP RELAY FROM RIGHT REAR FUSE BLOCK (IGNITION 1 FROM UNDERHOOD FUSE BLOCK FRONT AUXILIARY POWER OUTLET FUEL INJECTOR 2 (4.6L) FUEL INJECTOR 4 (4.6L) FUEL INJECTOR 4 FUEL INJECTOR 2 FUEL INJECTOR 6 FUEL INJECTOR 6 (4.6L) FUEL INJECTOR 8 (4.6L) HEATED OXYGEN SENSOR I/P OUTLET FUSE SPARE FUSE IGN 1 RELAY IGNITION COIL 2 IGNITION COIL 4 IGNITION COIL 6 IGNITION COIL/ MODULE 2 IGNITION COIL/ MODULE 4 IGNITION COIL/ MODULE 6 IGNITION COIL/ MODULE 8 INSTRUMENT PANEL CLUSTER (IPC) PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE POST 02 FUSE REAR AUXILIARY POWER OUTLET RED WIRE SPARE FUSE OUTLET FUSE STARTER FUSE STARTER RELAY TCM/IPC/ ECM FUSE TO UNDERHOOD FUSE BLOCK (WASH NOZ/AQS TRANSMISSION CONTROL MODULE (TCM) (3.6L) UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) WHT WIRE