Cadillac CTS I (2002-2007) (near left front strut tower) Wiring diagrams

A/T ABS IND. B+ LOGIC LOGIC BAS FUSE BASE RELAY BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE FLUID LEVEL SWITCH (ON BRAKE FLUID RESERVOIR) BRAKE FLUID PRESSURE SENSOR (5.7L) (ON REAR OF BRAKE PRESSURE MODULATOR VALVE) BRAKE IND BRANCHES FROM THE LT MAIN HARNESS) BRANCHES FROM THE MAIN HARNESS) (W/ ACTIVE BRAKE CONTROL) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE ELECTRONIC PRNDL (EXCEPT 5.7L) GRN WIRE GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) JOINT CONNECTOR LATERAL ACCELEROMETER SIG YAW RATE SENS SIGNAL LOW REFERENCE LEFT FRONT WHEEL SPEED SENSOR (WSS) LEFT REAR FUSE BLOCK (BELOW LEFT REAR SEAT) LOGIC LOGIC B+ LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT LT ORG/ WIRE PARK BRAKE SWITCH (ON PARK BRAKE ASSEMBLY) PPL PPL PPL 1807 1807 CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA PPL PPL 9 25 11 27 3 REAR INTEGRATION MODULE (UNDER PACKAGE SHELF TRIM PANEL) RED/WHT WIRE SPEED SENSOR (WSS) SPORT MODE STEERING WHEEL POSITION SENSOR (NEAR MIDDLE OF STEERING COLUMN) TAN WIRE TRACTION CONTROL OFF IND TRACTION CONTROL SWITCH W/ ACTIVE BRAKE CONTROL WHT WIRE WINTER MODE YEL WIRE

25 9 49 39 24 4 20 LOW REFERENCE A/C REFRIG PRESS SENSOR A/C CLUTCH RELAY CTRL 42 80 74 LOW SPEED FAN RELAY CTRL LOW REFERENCE ECT SENSOR SIGNAL 5.7L 65 33 MAIN RELAY CTRL HI SPEED FAN RELAY CTRL 7 23 LOW REFERENCE ECT SENSOR SIGNAL 80 14 43 LOW REFERENCE A/C REFRIG PRESS SENSOR A/C CLUTCH RELAY CTRL A/C REFRIGERANT PRESSURE SENSOR (NEAR THE LEFT FRONT STRUT TOWER) AMBIENT AIR TEMPERATURE SENSOR (UNDER FRONT BUMPER, NEAR FRONT GRILLE) BLK WIRE BRN WIRE COOLANT LEVEL SWITCH (IN LEFT FRONT CORNER OF COOLANT SURGE TANK) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (FRONT OF RIGHT VALVE COVER) ENGINE CONTROLS SYSTEM ENGINE COOLANT LOW LEVEL EXCEPT 5.7L EXCEPT 5.7L 5.7L FEED GRY WIRE HI SPEED FAN RELAY HIGH FAN FUSE HOT AT ALL TIMES LEFT COOLING FAN (LEFT SIDE OF RADIATOR) LO SPEED FAN RELAY LOGIC LOW FAN FUSE LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MAIN RELAY MAIN RELAY CTRL HI SPEED FAN RELAY CTRL LOW SPEED FAN RELAY CTRL MESSAGE CENTER ORG/ WIRE ORG/BLK WIRE POWERTRAIN CONTROL MODULE PPL RADIO RIGHT COOLING FAN (RIGHT SIDE OF RADIATOR) RTN S/P FAN RELAY SERIAL DATA SIG SPLICE PACK TAN WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPARTMENT) WHT WIRE YEL WIRE

24 4 20 MAIN RELAY CTRL HIGH SPEED FAN RELAY CTRL LOW SPEED FAN RELAY CTRL 2761 (OR 470) 410 42 80 74 LOW SPEED FAN RELAY CTRL LOW REFERENCE ECT SENSOR SIGNAL 5.7L 65 33 MAIN RELAY CTRL HIGH SPEED FAN RELAY CTRL 7 23 LOW REFERENCE ECT SENSOR SIGNAL BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COOLANT LEVEL SWITCH (IN LEFT FRONT CORNER OF COOLANT SURGE TANK) DK BLU WIRE DK GRN WIRE ENGINE CONTROL MODULE (ECM) (FRONT OF RIGHT VALVE COVER) ENGINE COOLANT LOW LEVEL EXCEPT 5.7L GRY WIRE HI FAN FUSE HI SPEED FAN RELAY HOT AT ALL TIMES HVAC CONTROL MODULE (BEHIND CENTER OF DASH, BELOW RADIO) LEFT COOLING FAN (LEFT SIDE OF RADIATOR) LO SPEED FAN RELAY LOGIC LOW FAN FUSE LT BLU WIRE LT GRN WIRE MAIN RELAY MESSAGE CENTER POWERTRAIN CONTROL MODULE (PCM) PPL PPL PPL SERIAL DATA SERIAL DATA COOLANT LEVEL SW RADIO RIGHT COOLING FAN (RIGHT SIDE OF RADIATOR) S/P FAN RELAY SERIAL DATA TAN WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPARTMENT) WHT WIRE YEL WIRE

BATTERY BLK WIRE BLK/WHT WIRE BLUNT CUT) BRAKE FLUID LEVEL SWITCH CELLULAR ANTENNA COOLANT LEVEL SWITCH DASH INTEGRATION MODULE (DIM) ELECTRONIC BRAKE CONTROL MODULE (EBCM) HEADLAMP WASHER FLUID PUMP IF EQUIPPED W/ HIGH PRESSURE HEADLAMP WASHER INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) LEFT HEATED WASHER NOZZLE NCA WIRE ORG/ WIRE PASSENGER PRESENCE SYSTEM REAR WINDOW DEFOGGER RIGHT HEATED WASHER NOZZLE VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) W/O HIGH PRESSURE HEADLAMP WASHER WASHER FLUID LEVEL SWITCH WHT WIRE WINDSHIELD WASHER FLUID PUMP WINDSHIELD WIPER/ WASHER MODULE

31 56 60 38 50 GROUND WASHER FLUID LEVEL SIGNAL WASHER SWITCH SIGNAL BLK WIRE CLOSEOUT/INSULATOR PANEL) DASH INTEGRATION MODULE (UNDER RIGHT SIDE OF DASH, ABOVE RIGHT DELAY DK BLU WIRE GRY WIRE HDLP WASH CIRCUIT BREAKER HDLP WASH RELAY HEADLAMP WASHER FLUID PUMP HEADLAMP WASHER GND HI LO HI LO INT HI LO OFF INT HOT AT ALL TIMES HOT IN RUN OR START HOT W/ ACCESSORY RELAY ENERGIZED IGN 1 RELAY LEFT HEATED WASHER NOZZLE (ON HOOD, LEFT OF CENTER, NEAR WINDSHIELD) LOGIC MIST MIST OFF NCA WIRE OFF ORG/ WIRE PNK WIRE PPL RIGHT HEATED WASHER NOZZLE (ON HOOD, LEFT OF CENTER, NEAR TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPARTMENT) UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WASH WASH NOZ FUSE WHT WIRE WINDSHIELD WINDSHIELD WASHER FLUID LEVEL SWITCH (AT BASE OF WASHER FLUID RESERVOIR) WINDSHIELD WASHER FLUID PUMP (AT BASE OF WASHER FLUID RESERVOIR) WINDSHIELD WIPER/ WASHER MODULE WINDSHIELD WIPER/WASHER SWITCH WIPER SW ON SIGNAL WASHER FLUID LEVEL SIGNAL WIPER SWITCH WPR MOD FUSE WPR SW FUSE YEL WIRE