Cadillac SRX I (2003-2009) (right body rail, behind washer reservoir) Wiring diagrams

2 3 4 PNK IGNITION LOW SPD SERIAL DATA LOW SPD SERIAL DATA WIRE 2500 2501 COMPUTER DATA LINES SYSTEM 1164 1161 1271 1274 1162 1272 42 55 HI SPD GMLAN SERIAL DATA + HI SPD GMLAN SERIAL DATA - 5-VOLT REFERENCE ABS FUSE ACCELERATOR PEDAL POSITION (APP) SENSOR (ABOVE ACCELERATOR PEDAL) AIR BAG FUSE B+ SERIAL DATA (ECM) BATTERY BCM 2 FUSE BLK WIRE BODY CONTROL MODULE (BCM) (ON LOWER LEFT SIDE OF DASH) BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL) BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH CRUISE CTRL SW SIG CRUISE INDICATOR DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (AT RIGHT FRONT CORNER OF ENGINE COMPT) ENGINE CONTROL MODULE (ECM) (LEFT FRONT SIDE OF ENGINE) GRY WIRE HI SPD GMLAN SERIAL DATA BUS + HOT AT ALL TIMES HOT IN RUN OR START IGN MAIN RELAY INSTRUMENT PANEL CLUSTER (IPC) LOGIC LOW REFERENCE LT BLU WIRE LT GRN WIRE NCA WIRE PNK 12 VOLT REF WIRE PNK IGN 1 VOLT WIRE PNK WIRE PPL R/A PNK ON OFF WIRE RADIO RED/WHT WIRE STOP LAMP SW SIG TAN WIRE TAN/BLK WIRE THROTTLE ACTUATOR CONTROL (TAC) MODULE (AT TOP FRONT OF ENGINE) THROTTLE ACTUATOR CONTROL (TAC) MOTOR THROTTLE POSITION (TP) SENSOR TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (AT RIGHT FRONT OF ENGINE COMPT) VEHICLE SPEED SIG VEHICLE SPEED SIGNAL WHT/BLK WIRE YEL WIRE

17 3 PNK 12 VOLT REF WIRE 2 3 4 PNK WIRE 5-VOLT REFERENCE 53 33 HI SPD GMLAN SERIAL DATA + HI SPD GMLAN SERIAL DATA - ABS FUSE ACCELERATOR PEDAL POSITION (APP) SENSOR (ABOVE ACCELERATOR PEDAL) AIR BAG FUSE BATTERY BCM 2 FUSE BLK WIRE BODY CONTROL MODULE (BCM) (ON LOWER LEFT SIDE OF DASH) BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL) BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH CRUISE CTRL SW SIG CRUISE INDICATOR DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (AT RIGHT FRONT CORNER OF ENGINE COMPT) GRY WIRE HI SPD GMLAN SERIAL DATA BUS + HOT AT ALL TIMES HOT IN RUN OR START IGN MAIN RELAY IGNITION LOW SPD SERIAL DATA LOW SPD SERIAL DATA INSTRUMENT PANEL CLUSTER (IPC) LOGIC LOW REFERENCE LT BLU WIRE LT GRN WIRE NCA WIRE ON OFF PNK IGN 1 VOLT WIRE PNK WIRE PPL R/A RADIO RED/WHT WIRE SERIAL DATA (ECM) B+ STOP LAMP SW SIG TAN WIRE TAN/BLK WIRE THROTTLE ACTUATOR CONTROL (TAC) MODULE (AT FRONT OF ENGINE) THROTTLE ACTUATOR CONTROL (TAC) MOTOR THROTTLE POSITION (TP) SENSOR TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (AT RIGHT FRONT OF ENGINE COMPT) VEHICLE SPEED SIG VEHICLE SPEED SIGNAL WHT/BLK WIRE YEL WIRE

A/C COMPRESSOR CLUTCH (AT LEFT FRONT OF ENGINE, ON A/C COMPRESSOR) BLK WIRE BLOWER MOTOR (AT RIGHT SIDE OF HVAC) BLOWER MOTOR CONTROL MODULE (AT LOWER LEFT SIDE OF BLOWER MOTOR) BLOWER MTR CTRL PROCESSOR SUPPLY VOLT BLOWER MTR SPEED CTRL BLOWER MTR SUPPLY VOL BLU WIRE BRN WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EVAPORATOR TEMPERATURE SENSOR (AT RIGHT TOP SIDE OF EVAPORATOR CORE) GRN WIRE GROUND GRY WIRE GRY/BLK WIRE HOT W/ RUN RELAY ENERGIZED INSIDE AIR TEMPERATURE SENSOR (BELOW HVAC CONTROL MODULE) LT BLU WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE LT PPL MODE ACTUATOR (AT LEFT SIDE OF HVAC MODULE) NCA WIRE ORG/ WIRE PNK WIRE PPL PPL/WHT WIRE RIGHT AIR TEMPERATURE ACTUATOR (AT RIGHT CENTER OF HVAC CASE) RIGHT REAR FUSE BLOCK (NEAR RIGHT SIDE OF REAR SEAT, FUSE UNDER CARPET) RUN WIRE SPEED CTRL TAN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

3.6L 4.6L 4.6L 3.6L A/C CMPRSR CLUTCH RELAY CTRL A/C REFRIG PRESS SENSOR AMBIENT AIR TEMPERATURE SENSOR (AT FRONT CENTER OF ENGINE COMPT) BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CONDENSER DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECT SENSOR SIGNAL FAN 1 FUSE FAN 1 RELAY FAN 2 RELAY FAN-2 FUSE GRY WIRE HIGH SPEED FAN RELAY CTRL HOT AT ALL TIMES LOW REF LOW REFERENCE LOW SPEED FAN RELAY CTRL LT BLU WIRE LT GRN/BLK WIRE MAIN RELAY CTRL ORG/ WIRE ORG/BLK WIRE PWR/TRN RELAY RIGHT COOLING FAN (EXCEPT 4.6L: BEHIND S/P FAN RELAY SERIAL DATA BUS- TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (AT RIGHT FRONT OF ENGINE COMPT) W/ AUTO RECIRCULATING AIR, FILTER W/O AUTO RECIRCULATING AIR, FILTER WHT WIRE YEL WIRE

3.6L 4.6L 4.6L 3.6L BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE ECT SENSOR SIGNAL FAN 1 FUSE FAN 1 RELAY FAN 2 RELAY FAN-2 FUSE GRY WIRE HIGH SPEED FAN RELAY CTRL HOT AT ALL TIMES LOW REFERENCE LOW SPEED FAN RELAY CTRL LT BLU WIRE MAIN RELAY CTRL PWR/TRN RELAY S/P FAN RELAY SERIAL DATA BUS- TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (AT RIGHT FRONT OF ENGINE COMPT) WHT WIRE YEL WIRE

16 15 1415 1414 RH TURN SW SIG LH TURN SW SIG 2 17 1 19 5356 18 RR ST/TN SUP VOLT LH LP OUT DET SIG LR ST/TN SUP VOLT 4.6L 3.6L 5365 5365 3340 (BLUNT CUT) 6 SPEED A/T 5 SPEED A/T 8 10 301 2144 PARK LP SW SIG HAZARD SW SIG ASSEMBLY) (3.6L: LEFT FRONT SIDE OF ENGINE) BLK WIRE BLK/WHT WIRE BLU WIRE BLUNT CUT) BODY CONTROL MODULE (BCM) (ON LOWER LEFT SIDE OF DASH) BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE FUSE GRY WIRE HAZARD SWITCH HEAD HOT AT ALL TIMES HOT W/ IGN MAIN RELAY ENERGIZED IGN 1 VOLT LEFT FRONT TURN SIGNAL LAMP LEFT LICENSE LAMP RIGHT LICENSE LAMP LEFT REAR FUSE BLOCK (NEAR LEFT SIDE OF REAR SEAT, UNDER CARPET) LEFT TURN SIG IND LH DRL TN SUP VOLT PARK LAMP SUP VOLT STOP LAMP SUP VOLT 24 5 LH POS PRK LAMP RELAY LH TURN RH TURN OFF AUTO LO SPD SERIAL DATA LOGIC INSTRUMENT PANEL CLUSTER (IPC) LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MARKER LAMP FUSE PARK PNK WIRE PPL PPL RH LP OUT DET SIG PRK LAMP LH POS RED WIRE RED/WHT WIRE RELAY/ FUSE RH DRL TN SUP VOLT BAT POS VOLT RIGHT FRONT TURN SIGNAL LAMP RIGHT TURN SIG IND RVC SNSR SERIAL DATA ST SW SIG STOP LAMP SW SIG TAN WIRE TO LEFT REAR FUSE BLOCK LH PARK FUSE (DIAGRAM 2 OF 2) TRANSMISSION CONTROL MODULE (TCM) (AT RIGHT FRONT OF ENGINE COMPT) TURN SIGNAL/ MLTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (AT RIGHT FRONT OF ENGINE COMPT) AIR BAG FUSE WHT WIRE YEL WIRE

APPROXIMATELY 35 CM (13.8 IN) FROM LEFT BLK WIRE BRN WIRE BRN/WHT WIRE CENTER HIGH MOUNT STOP LAMP (CHMSL) DETECTION SIGNAL LEFT TAIL LAMP OUTAGE DK GRN WIRE FROM LH POS PRK LAMP RELAY (DIAGRAM 1 OF 2) GRN WIRE LEFT HEADLAMP ASSEMBLY LEFT HIGH BEAM HEADLAMP LEFT MARKER LAMP LEFT PARK LAMP LEFT REAR FUSE BLOCK (NEAR LEFT SIDE OF REAR SEAT, UNDER CARPET) LEFT STOP/TURN SIGNAL LAMP IND LEFT TAIL LAMP ASSEMBLY LH PRK LAMPS FUSE LT BLU WIRE PARK LIGHT PPL PPL PPL PPL RIGHT TAIL LAMP OUTAGE DETECTION SIGNAL RH PRK LAMPS FUSE RIGHT HEADLAMP ASSEMBLY RIGHT HIGH BEAM HEADLAMP RIGHT MARKER LAMP RIGHT PARK LAMP RIGHT REAR FUSE BLOCK (NEAR RIGHT SIDE OF REAR SEAT, UNDER CARPET) RIGHT STOP/TURN SIGNAL LAMP IND RIGHT TAIL LAMP ASSEMBLY SIDE MARKER SIDE MARKER TAIL SPARE RELAY TAIL TAIL LAMP DRIVE MODULE TRAILER CONNECTOR TRLR PARK LAMPS FUSE UNDERHOOD FUSE BLOCK (AT RIGHT FRONT OF ENGINE COMPT) W/ HID W/O HID W/O HID W/ HID WHT WIRE YEL WIRE

AIR QUALITY SENSOR (AQS) RIGHT COOLING FAN HORN ASSEMBLY AUTOMATIC LEVEL CONTROL (ALC) COMPRESSOR BLK WIRE CENTER COURTESY/ READING LAMP REAR COURTESY/ READING LAMP ELECTRONIC SUSPENSION CONTROL (ESC) MODULE FAN S/P RELAY FRONT COURTESY/ READING LAMP FRONT HEADLAMP LEVELING SENSOR FUEL PUMP RELAY IGN MAIN RELAY HEADLAMP WASH RELAY FUEL PUMP, SENDER ASSEMBLY GRN WIRE IF EQUIPPED (IN SUNROOF HARNESS, APPROXIMATELY 15 CM (5.9 IN) INSIDE REAR VIEW MIRROR (ISRVM) JOINT CONNECTOR LCK RELAY LEFT FRONT HIGH BEAM LEFT PARK LAMP LEFT FRONT LOW BEAM LEFT FRONT MARKER LAMP LEFT PARK LAMP LEFT FRONT TURN SIGNAL LAMP RIGHT FRONT TURN SIGNAL LAMP RIGHT FRONT FOG LAMP LEFT SUNSHADE MECHANICAL CONTENT REAR AUXILIARY BLOWER MOTOR SWITCH REAR AUXILIARY POWER OUTLET REAR BODY CONTROL MODULE (RBCM) REAR DEFOG RELAY REAR SEAT MODULE REAR WASH RELAY LEFT FRONT FOG LAMP STARTER RELAY REAR WIPER/ WASHER SWITCH RELAY REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) RIGHT FRONT HIGH BEAM RIGHT FRONT MARKER LAMP RIGHT FRONT LOW BEAM RIGHT PARK LAMP RIGHT PARK LAMP RIGHT SUNSHADE RIGHT TAIL LAMP ASSEMBLY RUN WIRE SPARE RELAY SUNROOF CONTROL MODULE THEFT DETERRENT ALARM UNLOCK RELAY VENT FORCED AIR W/ 5-BAND, DIGITAL AUDIO W/ AUTO RECIRCU- LATING AIR FILTER W/ AUTOMATIC HEADLAMP CONTROL LEVELING SYSTEM W/ CHASSIS CONTINUOUSLY VARIABLE REAL TIME DAMPING MAGNETO RHEOLOGICAL W/ HID W/ HID, AUTOMATIC HEADLAMP CONTROL LEVELING SYSTEM W/ REAR SEAT FLEXIBLE CONFIGU- RATION W/ THEFT DETERRENT SYSTEM, THATCHAM ELECTRICAL W/ THEFT DETERRENT SYSTEM, THATCHAM ELECTRICAL, MECHANICAL CONTENT W/ TRAILER PROVISIONS W/O HID, AUTOMATIC HEADLAMP CONTROL LEVELING SYSTEM WHT WIRE

30 31 32 33 PNK WIRE 34 35 PPL AIR BAG FUSE BANK 1 SENSOR 2 (DOWNSTREAM OF RIGHT CATALYTIC CONVERTER) BANK 2 SENSOR 2 (DOWNSTREAM OF LEFT CATALYTIC CONVERTER) BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM BATT FUSE ECM FUSE ECM, TCM IGN FUSE EMISSION 1 FUSE EMISSION 2 FUSE EVEN COILS FUSE FUEL PUMP RELAY GRY WIRE GRY/WHT WIRE HEATED OXYGEN HOT AT ALL TIMES HOT W/ IGN MAIN RELAY ENERGIZED IGN 1 INSTRUMENT PANEL CLUSTER (IPC) KNOCK SENSOR (KS) 1 (AT RIGHT SIDE OF ENGINE) KNOCK SENSOR (KS) 2 (AT LEFT SIDE OF ENGINE) LOGIC B+ LOW REF IAT SENS SIG GMLAN LT BLU WIRE LT BLU/WHT WIRE MAF SENS SIG 12 VOLT REF GND MALFUNCTION INDICATOR LAMP MASS AIR FLOW (MAF) SENSOR (IN AIR CLEANER INTAKE TUBE) NCA WIRE ODD COILS FUSE ORG/WHT WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE PWR/TRN RELAY RED/WHT WIRE SPARE FUSE TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (AT RIGHT FRONT OF ENGINE COMPT) FUEL PUMP FUSE WHT WIRE YEL WIRE

BLK WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE FUEL PUMP RELAY GRY WIRE HOT AT ALL TIMES IC 2 CTRL LOW REF IGN 1 VOLT IC 4 CTRL IGN 1 VOLT IC 6 CTRL IC 8 CTRL IGN 1 VOLT IGNITION COIL/MODULE 2 (AT TOP FRONT OF LEFT CYLINDER HEAD) IGNITION COIL/MODULE 6 (AT TOP CENTER OF LEFT CYLINDER HEAD) LOGIC LOW REF LOW REF IGN 1 VOLT LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK PPL 16 17 18 19 20 21 22 23 24 25 26 WIRE PNK WIRE PNK/BLK WIRE PPL PPL 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 PPL 8 9 10 11 12 PPL/WHT WIRE RED WIRE SPARK PLUG TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (AT RIGHT FRONT OF ENGINE COMPT) FUEL PUMP FUSE WHT WIRE WHT/BLK WIRE