Cadillac STS I facelift (2007-2011) underhood fuse block (right front side of engine compt) Wiring diagrams

ANT LOW REF 1 KEYLESS ENTRY SIG 3 ANT LOW REF 5 KEYLESS ENTRY SIG 4 ANT LOW REF 4 PNK WIRE AUTOMATIC TRANSMISSION SHIFT LEVER BACKUP KEYLESS ENTRY ANTENNA (INSIDE CENTER CONSOLE COMPT (CENTER)) BLK WIRE COAX COAX TIRE PRESSURE ANT SIG COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY EKM/ IP MDL FUSE EXTERIOR REAR COMPARTMENT LID RELEASE SWITCH GMLAN SERIAL DATA GRY WIRE HOT AT ALL TIMES IGNITION MODE SWITCH BATTERY POSITIVE VOLT IGNITION MODE SWITCH KEYLESS ENTRY ANTENNA (INSIDE CENTER CONSOLE COMPT (REAR)) KEYLESS ENTRY SIG 5 LOGIC INSTRUMENT PANEL CLUSTER (IPC) LOW SPEED GMLAN DATA LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/WHT WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK IGNITION 1 VOLTAGE SOL SPLY VOLT WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE REAR WINDOW KEYLESS ENTRY ANTENNA (ON REAR WINDOW) RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) (UNDER REAR SPEAKER SHELF) RUN/CRANK RELAY TAN WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) YEL WIRE YEL/BLK WIRE

3.6L AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) BATTERY BLK WIRE BLK/WHT WIRE CCP/RLY COILS FUSE CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY ECM/TCM SERIAL DATA WAKE UP EXCEPT 3.6L GRY WIRE IGN LOCK CYLINDER CTRL ACT SIGNAL IGN MODE SW MODE CTRL ECM/TCM SERIAL DATA WAKE UP IGN MODE SW MODE VOLT IGNITION MODE SWITCH INSTRUMENT PANEL MODULE (IPM) (RIGHT SIDE OF DASH, BEHIND GLOVE BOX) LT GRN WIRE LT GRN/WHT WIRE MODULE (ECM) ORG/BLK WIRE PPL RED WIRE STARTER MOTOR STARTER RLY COIL CTRL STRTR FUSE STRTR RELAY TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 IGN 1 VOLT RECEIVER SPLY VOLT 1 2 3 RECEIVER SPLY VOLT LF TIRE PRESS RECEIVER SIG RECEIVER LOW REF 1 2 3 RECEIVER SPLY VOLT LR TIRE PRESS RECEIVER SIG RECEIVER LOW REF BLK WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE EKM/ IP MDL FUSE GMLAN GMLAN SERIAL DATA GND LF TIRE PRESS RECEIVER SIG RECEIVER LOW REF RF TIRE PRESS RECEIVER SIG GRY WIRE HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED INSTRUMENT PANEL CLUSTER (IPC) LEFT FRONT TIRE PRESSURE RECEIVER (IF EQUIPPED) LEFT REAR TIRE PRESSURE RECEIVER (INSIDE REAR FASCIA PANEL, LOGIC LOW SPD GMLAN SERIAL DATA LOW TIRE PRESSURE INDICATOR LR TIRE PRESS RECEIVER SIG RECEIVER LOW REF LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NEAR LEFT REAR WHEEL) (IF EQUIPPED) ORG/ WIRE PPL PPL RR TIRE PRESS RECEIVER SIG RAIN SNSR/ TPM FUSE RECEIVER LOW REF RECEIVER SPLY VOLT RED WIRE RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) RF TIRE PRESS RECEIVER SIG RIGHT FRONT TIRE PRESSURE RECEIVER (IF EQUIPPED) (BEHIND RIGHT FRONT FENDER) RR TIRE PRESS RECEIVER SIG TIRE PRESSURE MODULE (RIGHT REAR QUARTER, BEHIND TRIM PANEL) UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INPUT SHAFT SPEED (ISS) SENSOR AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) AUTOMATIC TRANSMISSION OUTPUT SHAFT SPEED (OSS) SENSOR AUTOMATIC TRANSMISSION SHIFT LEVER BLK WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DATA BUS (+) DATA BUS (-) IGN VOL DATA BUS (-) DATA BUS (+) DK GRN WIRE ECM, TCM IGN FUSE ECM/ TCM BATT FUSE ECM/TCM SERIAL DATA GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED ISS LOW ISS/OSS HIGH NCA WIRE ORG/BLK WIRE OSS LOW PNK WIRE POWER DISTRIBUTION SYSTEM PPL RED WIRE RED/WHT WIRE TAN WIRE TAN/BLK WIRE TAP UP/ TAP DOWN TRANS ENABLE SWITCH TAP UP/TAP DOWN SW SIG STOP LAMP SW SIG GROUND B+ TAP UP/TAP DOWN SWITCH TRANSMISSION CONTROL MODULE (TCM) TRANSMISSION RANGE SIG TRANSMISSION RANGE SIG A TRANSMISSION RANGE SIG B TRANSMISSION RANGE SIG C TRANSMISSION RANGE SIG P UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE YEL/BLK WIRE

1 11 20 24 ACC VOLT WIPER SW SIGNAL 2 WIPER SW ON SIGNAL HDLP RELAY CONTROL ACCY RELAY BLK WIRE BRN WIRE DK BLU WIRE GRY WIRE HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY ENERGIZED HTD WASH/AQS FUSE INSTRUMENT PANEL MODULE (IPM) (RIGHT SIDE OF DASH, BEHIND GLOVE BOX) LEFT HEATED WASHER NOZZLE LT GRN WIRE ORG/ WIRE PNK WIRE PPL RAIN SNSR/TPM FUSE RIGHT HEATED WASHER NOZZLE (IF EQUIPPED) TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) W/ HID (W/ TIRE PRESSURE) WASHER FLUID LEVEL SIG WASHER SWITCH WHT WIRE WINDSHIELD WIPER/ WASHER MODULE (LEFT REAR OF ENGINE COMPT, NEAR WINDSHIELD) WINDSHIELD WIPER/WASHER SWITCH WIPER SWITCH WPR FUSE WPR HI RELAY WPR/SW/VICS FUSE YEL WIRE

4 3 2 1 ACC VOLT GROUND SNS SIG 1 SNS SIG 2 BLK WIRE FLUID RESERVOIR) HDLP WASH CIRCUIT BREAKER HEADLAMP WASHER FLUID PUMP (INSIDE WASHER HEADLAMP WASHER FLUID PUMP RELAY (W/ HIGH PRESSURE HEADLAMP WASHER) (MOUNTED TO CORE SUPPORT, IN FRONT OF UNDERHOOD FUSE BLOCK) HOT AT ALL TIMES LT GRN WIRE ORG/ WIRE PPL RED WIRE RED/BLK WIRE TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) WHT WIRE WINDSHIELD OUTSIDE MOISTURE SENSOR (IF EQUIPPED) (BEHIND INSIDE REARVIEW MIRROR) WINDSHIELD WASHER FLUID LEVEL SWITCH (IN WASHER FLUID RESERVOIR) WINDSHIELD WASHER FLUID PUMP (ON SIDE OF WINDSHIELD WASHER RESERVOIR) YEL WIRE

ACC VOLT WIPER SW SIGNAL 2 WIPER SW ON SIGNAL ACCY RELAY BLK WIRE BRN WIRE DK BLU WIRE FUSE GRY WIRE HOT AT ALL TIMES IGN INSTRUMENT PANEL MODULE (IPM) (RIGHT SIDE OF DASH, BEHIND GLOVE BOX) LOGIC WINDSHIELD WIPER INHIBIT RELAY (LEFT REAR NEAR FUSE BLOCK) PPL PPL WIPER MTR HIGH SPEED RAIN SNSR/TPM REAR INTEGRATION MODULE (RIM) (IN LEFT SIDE OF REAR COMPT, UNDER REAR SHELF) UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) WASHER SWITCH WHT WIRE WINDSHIELD WIPER/ WASHER MODULE (LEFT REAR OF ENGINE COMPT, NEAR WINDSHIELD) WINDSHIELD WIPER/WASHER SWITCH WIPER SW SIGNAL 2 WIPER SW SIGNAL 1 GROUND ACC VOLT WIPER SWITCH WPR FUSE WPR HI RELAY WPR/SW/ VICS YEL WIRE