Cadillac SRX I (2003-2009) underhood fuse block (at right front of engine compt) 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

1 2 3 4 5 BATTERY+ VOLTAGE ACCESSORY VOLTAGE GROUND 14 15 RT RR DR AJAR SW SIG LT RR DR AJAR SW SIG 3.6L 4.6L 42 55 53 33 HI SPD GMLAN SRL DATA + HI SPD GMLAN SRL DATA - 9 11 5060 1177 LW SPD GMLAN SRL DATA LT DR OPEN SW SIG 9 11 5060 126 LW SPD GMLAN SRL DATA LT DR OPEN SW SIG BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (ON LOWER LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/BLK WIRE DOOR LOCKS SYSTEM DOOR OPEN DRIVER DOOR LATCH ASSEMBLY (REAR OF DRIVER'S DOOR) DRIVER DOOR MODULE (DDM) (INSIDE DRIVER DOOR PANEL) FRONT PASSENGER DOOR LATCH ASSEMBLY (REAR OF FRONT PASSENGER'S DOOR) FRONT PASSENGER DOOR MODULE (FPDM) (INSIDE PASSENGER DOOR TRIM PANEL) HOT AT ALL TIMES IGN IGN SW FUSE IGNITION KEY IGNITION SWITCH INSTRUMENT PANEL CLUSTER (IPC) LOGIC LOW SPEED GMLAN SERIAL DATA LT BLU/BLK WIRE LT GRN WIRE LW SPD GMLAN SRL DATA OFF READER/ EXCITER RED WIRE RED/WHT WIRE RUN WIRE SECURITY INDICATOR SERIAL DATA TAN WIRE TAN/BLK WIRE THEFT DETERRENT CONTROL MODULE (AT RIGHT SIDE OF STEERING COLUMN) TRANSPONDER UNDERHOOD FUSE BLOCK (AT RIGHT FRONT OF ENGINE COMPT) WHT 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

4.6L 3.6L A/C CMPRSR CLUTCH RELAY A/C CMPRSR CLUTCH RELAY CTRL A/C COMPRESSOR CLUTCH (AT LEFT FRONT OF ENGINE, ON A/C COMPRESSOR) A/C REFRIG PRESS SENS SIG AC CLTCH FUSE BLK WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE EMISSION 2 FUSE GRY WIRE HOT AT ALL TIMES HOT W/ PWR/TRN RELAY ENERGIZE HVAC CONTROL MODULE (CENTER OF DASH) LOW REFERENCE LOW SPEED GMLAN SERIAL DATA LOW SPEED GMLAN SERIAL DATA NCA WIRE ORG/BLK WIRE SERIAL DATA BUS- TAN WIRE TAN/BLK WIRE UNDER RADIO) UNDERHOOD FUSE BLOCK (AT RIGHT FRONT OF ENGINE COMPT)

3 2 GMLAN SERIAL DATA GMLAN SERIAL DATA 3 9 LOCAL NETWORK 1 GMLAN SERIAL DATA 3.6L 4.6L 4 3 GMLAN SERIAL DATA GMLAN SERIAL DATA 42 55 53 33 HI SPEED SERIAL DATA + HI SPEED SERIAL DATA - 6 12 GMLAN SERIAL DATA GMLAN SERIAL DATA 7 15 GMLAN SERIAL DATA GMLAN SERIAL DATA 9 1 GMLAN SERIAL DATA GMLAN SERIAL DATA 9 3 GMLAN SERIAL DATA LOCAL NETWORK 2 AUDIO AMPLIFIER (AT LEFT REAR QUARTERPANEL, BEHIND TRIM PANEL) BRN WIRE DIGITAL RADIO RECEIVER (AT RIGHT REAR OF VEHICLE) DISPLAY FUSE DK GRN WIRE DRIVER DOOR MODULE (DDM) (INSIDE DRIVER DOOR PANEL) ELECTRONIC BRAKE CONTROL MODULE (EBCM) (AT RIGHT FRONT CORNER OF ENGINE COMPT) FRONT PASSENGER DOOR MODULE (FPDM) (INSIDE PASSENGER DOOR TRIM PANEL) FRONT PASSENGER WINDOW MOTOR (IN FRONT PASSENGER DOOR ASSEMBLY) GMLAN SERIAL DATA HOT AT ALL TIMES INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (UNDER CENTER CONSOLE) LEFT REAR WINDOW MOTOR (AT CENTER OF LEFT REAR DOOR) LOCAL NET- WORK 1 LOCAL NET- WORK 2 LOCAL NETWORK 1 LOCAL NETWORK 2 MEMORY SEAT MODULE (MSM) (UNDER DRIVER SEAT) ON TRACK FRAME) POWER LIFTGATE MODULE (IN LEFT REAR QUARTERPANEL) PPL PPL GMLAN SERIAL DATA REAR OBJECT SENSOR CONTROL MODULE (IN LEFT REAR QUARTERPANEL AREA) REAR SEAT MODULE RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) (IN RIGHT REAR QUARTERPANEL) RIGHT REAR WINDOW MOTOR (AT CENTER OF RIGHT REAR DOOR) ROLLOVER SENSOR (UNDER FLOOR CONSOLE) TAN WIRE TAN/BLK WIRE THEFT DETERRENT CONTROL MODULE (AT RIGHT SIDE OF STEERING COLUMN) TRANSMISSION CONTROL MODULE (TCM) (3.6L) (AT RIGHT FRONT OF ENGINE COMPT) TV TUNER MODULE (BEHIND LEFT QUARTER TRIM PANEL) UNDERHOOD FUSE BLOCK (AT RIGHT FRONT OF ENGINE COMPT) VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (AT RIGHT REAR CORNER OF VEHICLE) W/ ONSTAR 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

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) (W/ AUTO RECIRCULATING AIR FILTER) ASSEMBLY BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (ON LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM FRONT HEADLAMP LEVELING SENSOR (IN LEFT FRONT WHEEL HOUSING) GRN WIRE GROUND GRY WIRE HEADLAMP LEVELING IGN 1 SWITCH 1 SIGNAL VOLT HEADLAMP LEVELING SWITCH 1 SIGNAL HOT AT ALL TIMES IGN MAIN RELAY LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP LEVELING ACTUATOR IGN 1 VOLT LEFT HEATED WASHER NOZZLE (AT LEFT SIDE OF HOOD) MISC IGN FUSE NCA WIRE PNK IGN 1 VOLTAGE WIRE PNK PNK WIRE PNK WIRE REAR HEADLAMP LEVELING SENSOR (IN LEFT REAR WHEEL HOUSING) RIGHT HEADLAMP RIGHT HEADLAMP LEVELING ACTUATOR SERIAL DATA RIGHT HEATED WASHER NOZZLE (AT RIGHT SIDE OF HOOD) SERIAL DATA THEFT DETERRENT ALARM SIREN (REAR OF RIGHT SHOCK TOWER) UNDERHOOD FUSE BLOCK (AT RIGHT FRONT OF ENGINE COMPT) WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 PPL IC 1 CTRL 5 VOLT REF 2 5 VOLT REF 1 5 VOLT REF 1 LOW REF LOW REF A/C COMPRESSOR CLUTCH HI SPD COOLING FAN EVAP CANISTER VENT ACC WAKE UP SERIAL IGN 1 VOLT B+ PNK WIRE ACCELERATOR PEDAL POSITION (APP) SENSOR (ABOVE ACCELERATOR PEDAL) AIR CONDITIONING SYSTEM COOLING FANS SYSTEM APP SENS 1 SIG FUEL TANK PRESSURE APP SENS 2 SIG BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ECM BATT FUSE ECM 1 FUSE ODD COILS FUSE SPARE FUSE ECM, TCM IGN FUSE AIR BAG FUSE EMISSION 1 FUSE EMISSION 2 FUSE EVEN COILS FUSE FUEL LEVEL PRIMARY FUEL LEVEL SECONDARY GRY WIRE HOT AT ALL TIMES HOT W/ IGN MAIN RELAY ENERGIZED KNOCK SENSOR (KS) 1 (AT MIDDLE OF RIGHT CYLINDER HEAD, UNDER INTAKE MANIFOLD) KNOCK SENSOR (KS) 2 (AT MIDDLE OF LEFT CYLINDER HEAD, UNDER INTAKE MANIFOLD) KS 2 SIG KS 2 SIG KS 1 SIG KS 1 SIG LOW REF LT BLU WIRE MAIN RLY CTRL MIL CTRL FUEL PUMP RLY CTRL NCA WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE PWR/TRN RELAY RED/WHT WIRE STARTER RLY CTRL STARTING/ CHARGING SYSTEM STOP LP SW SIG TAN WIRE TAN/BLK WIRE TAN/WHT WIRE THROTTLE ACTUATOR CONTROL (TAC) MODULE (AT FRONT OF ENGINE) UNDERHOOD FUSE BLOCK (AT RIGHT FRONT OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE