Cadillac CTS I (2002-2007) ppl/wht Wiring diagrams

23 55 HI SPD GMLAN + HI SPD GMLAN - APPROXIMATELY AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE ELEC PRNDL FUSE ELECTRONIC PRNDL ENGINE CONTROL MODULE (ECM) (FRONT OF RIGHT VALVE COVER) GRY WIRE HOT WHEN MINI ACCESSORY RELAY ENERGIZED HVAC CONTROL MODULE (BEHIND CENTER OF DASH, BELOW RADIO) INSTRUMENT PANEL CLUSTER LT GRN WIRE ORG/BLK WIRE P/N P/N SIG PPL PPL PPL 1807 1807 SERIAL DATA SERIAL DATA PPL PPL 4 6 PPL PPL 5 8 PPL PPL PPL 24 26 25 PPL SERIAL DATA PPL/WHT WIRE RADIO REAR INTEGRATION MODULE (UNDER PACKAGE SHELF TRIM PANEL) SERIAL DATA SERVICE TRANSMISSION TRANS HOT IDLE ENGINE SPLICE PACK TAN/WHT WIRE TRANSMISSION INTERNAL MODE SWITCH TRS SIG A TRS SIG B TRS SIG C TRS SIG P UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT WIRE YEL WIRE

A/T AUTOMATIC TRANSMISSION (A/T) BATTERY BLK WIRE CHARGING CIRCUIT CLUTCH PEDAL POSITION SWITCH (M/T) (ON CLUTCH PEDAL BRACKET) COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (ECM) (FRONT OF RIGHT VALVE COVER) GROUND DISTRIBUTION SYSTEM HOT AT ALL TIMES HOT IN RUN OR START HTR VLV/ CLTCH FUSE IGN 1 RELAY IGNITION SWITCH LOCK OFF ORG/BLK WIRE PNK PNK WIRE PNK WIRE PPL PPL/WHT WIRE RED WIRE RUN WIRE STARTER STARTER FUSE STARTER RELAY UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPARTMENT) WHT WIRE YEL WIRE

A/T AUTOMATIC TRANSMISSION (A/T) BATTERY BLK WIRE CHARGING CIRCUIT CLUTCH PEDAL POSITION SWITCH (M/T) (ON CLUTCH PEDAL BRACKET) COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (ECM) (FRONT OF RIGHT VALVE COVER) GROUND DISTRIBUTION SYSTEM HOT AT ALL TIMES HOT IN RUN OR START HTR VLV/ CLTCH FUSE IGN 1 RELAY IGNITION SWITCH LOCK OFF ORG/BLK WIRE PNK PNK WIRE PNK WIRE PPL PPL/WHT WIRE RED WIRE RUN WIRE STARTER STARTER FUSE STARTER RELAY UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPARTMENT) WHT WIRE YEL WIRE

39 35 STARTER RELAY COIL CTRL CPP SWITCH SIGNAL 59 18 CRANK VOLTAGE STARTER RELAY COIL VOLTAGE ABOVE STARTER) BATTERY BLK WIRE BRN/WHT WIRE CHARGING CIRCUIT CLUTCH PEDAL POSITION SWITCH (M/T) (ON CLUTCH PEDAL BRACKET) GROUND DISTRIBUTION SYSTEM HOT AT ALL TIMES HOT IN RUN OR START HTR VLV/ CLTCH FUSE IGN 1 RELAY IGNITION SWITCH LOCK OFF PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) PPL PPL PPL PPL/WHT WIRE RUN WIRE STARTER STARTER FUSE STARTER RELAY UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPARTMENT) WHT WIRE YEL WIRE

A/T SHIFT LOCK CONTROL SOLENOID ASSEMBLY (IN CENTER CONSOLE) COMPUTER DATA LINES SYSTEM HOT AT ALL TIMES IGNITION LOCK CYL CTRL IGNITION LOCK CYLINDER CONTROL ACTUATOR (ON STEERING COLUMN) IGNITION LOCK CYLINDER CONTROL SWITCH PPL PPL CLASS 2 SERIAL DATA PPL/WHT WIRE RED/WHT WIRE RIGHT REAR FUSE BLOCK (BELOW RIGHT REAR SEAT) RIM/IGN SW FUSE TAN WIRE

1314 419 EXTERIOR LIGHTS SYSTEM ENGINE CONTROLS 5.7L 818 1537 ANTI-LOCK BRAKES SYSTEM ABS INDICATOR B+ CLASS 2 (ECM) BACKLIGHTING BACKLIGHTING CTRL BLK WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SWITCH (ON BRAKE FLUID RESERVOIR) BREAK INDICATOR BRN WIRE BRN/WHT WIRE CHARGE INDICATOR CLASS 2 (DIM) CLASS 2 (EBCM) CLASS 2 (ECM) CLASS 2 (ECM) B+ CLASS 2 (RIM) CLASS 2 (SDM) COMPUTER DATA LINES SYSTEM CRUISE INDICATOR DK BLU WIRE DK BLU/WHT WIRE DK GRN/WHT WIRE ECM/TCM FUSE ELEC PRNDL FUSE ELECTRONIC PRNDL ENGINE COOLANT TEMPERATURE INDICATOR EXTERIOR LIGHTS FASTEN SAFETY BELT INDICATOR FRONT FOG LAMPS INDICATOR FUEL LEVEL GROUND GRY WIRE HIGH BEAM INDICATOR HOT AT ALL TIMES HOT IN ACC OR RUN HOT IN RUN OR START IGNITION 1 VOLTAGE INSTRUMENT PANEL CLUSTER (IPC) LED DIMMING SIG LEFT TURN INDICATOR LIGHTS ON INDICATOR LOGIC LOW TIRE PRESSURE INDICATOR LT BLU WIRE LT BLU/WHT WIRE MALFUNCTION IND LAMP (MIL) ORG/BLK WIRE PARK BRAKE SWITCH (ON PARK BRAKE ASSEMBLY) PNK WIRE PPL PPL/WHT WIRE RED/WHT WIRE RIGHT DRIVER INFORMATION CENTER (DIC) (5.7L) RIGHT TURN INDICATOR SECURITY INDICATOR SERIAL DATA PARK BRAKE SW SIG SIR INDICATOR SKIP SHIFT IND SPEEDOMETER CONTROL B+ CLASS 2 B+ SPEEDOMETER LOW ENGINE OIL PRESSURE IND SPORT MODE INDICATOR SYSTEM TACHOMETER TACHOMETER CONTROL TAN/WHT WIRE TCM/IPC FUSE TEMPERATURE TOWER) TRACTION CONTROL OFF INDICATOR TRANSMISSION RANGE SW SIG A TRANSMISSION RANGE SW SIG B TRANSMISSION RANGE SW SIG C TRANSMISSION RANGE SW SIG C TRANSMISSION RANGE SW SIG P TRANSMISSION RANGE SW SIG P TRANSMISSIONS SYSTEM COMPUTER DATA LINES SYSTEM TRIP ODOMETER TRIP RESET SW SIG TRIP RESET SWITCH TRIP/ODOMETER CTRL UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) VEHICLE SPEED SIG VOLTAGE WAIT TO START INDICATOR (NOT USED) WHT WIRE WINTER MODE INDICATOR YEL WIRE

1807 1807 COMPUTER DATA LINES SYSTEM 9 8 LED DIMMING SIGNAL AUTO HEAD BATTERY GROUND GROUND BACKLIGHT LAMPS CTRL BATTERY INC DIM BACKLIGHTS LAMP CTRL BLK WIRE BLK/WHT WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DIM/ ALDL FUSE DIMMING FUSE DK GRN WIRE DRIVER DOOR LOCK SWITCH DRIVER DOOR MODULE (ON LEFT DOOR, UNDER DOOR TRIM) DRIVER DOOR SWITCH ASSEMBLY (DDSA) DRIVER DR MOD FUSE ELECTRONIC PRNDL (A/T) GRN WIRE GROUND HOT AT ALL TIMES I/P DIMMER SWITCH ILLUMINATION LAMP INSTRUMENT PANEL CLUSTER (IPC) JOINT CONNECTOR LED DIMMING SIGNAL LEFT REAR FUSE BLOCK (BELOW LEFT REAR SEAT) LT BLU/BLK WIRE MEMORY PERSONALIZATION FUNCTION SWITCH OVERHEAD CONSOLE PARK LAMP RELAY PARK LP RLY CTRL CONTROL POWER OUTPUT PARK OFF PPL CLASS 2 SERIAL DATA PPL PPL PPL PPL SERIAL DATA SERIAL DATA PPL/WHT WIRE PSGR DR MOD FUSE REAR COMPARTMENT LID RELEASE SWITCH REAR DR MOD FUSE RED WIRE RED/WHT WIRE RIGHT REAR FUSE BLOCK (BELOW RIGHT REAR SEAT SUNROOF CONTROL SWITCH TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPARTMENT) WHT WIRE YEL WIRE

47 PNK WIRE 5.7L AUXILIARY POWER OUTLET BANK 1 SENSOR 1 BANK 2 SENSOR 1 BANK 2 SENSOR 1 (5.7L) BLK WIRE CAM FUSE CAMSHAFT ACTUATOR SOLENOID EXHAUST BANK 2 CAMSHAFT ACTUATOR SOLENOID INTAKE BANK 1 CIGAR LIGHTER CLUTCH PEDAL POSITION (CPP) SENSOR CMP CLU RELAY EVAPORATIVE EMISSION (EVAP) CANISTER PURGE SOLENOID VALVE EVEN INJ/ COIL FUSE EXCEPT 5.7L EXCEPT 5.7L 5.7L FOG LAMP RELAY FROM IGNITION SWITCH (VIA SPLICE FROM UNDERHOOD FUSE BLOCK FROM UNDERHOOD FUSE BLOCK (ACCESSORY RELAY) (DIAGRAM 2 OF 7) FUEL INJECTOR 2 FUEL INJECTOR 4 FUEL INJECTOR 6 FUEL INJECTOR 6 FUEL INJECTOR 8 HEATED OXYGEN SENSOR HTR VLV/ CLTCH FUSE I/P OUTLET FUSE IGN 1 RELAY IGNITION COIL 2 IGNITION COIL 4 IGNITION COIL 6 IGNITION COIL/ MODULE 2 IGNITION COIL/ MODULE 6 IGNITION COIL/ MODULE 4 IGNITION COIL/ MODULE 8 FUEL INJECTOR 2 INSTRUMENT PANEL CLUSTER (IPC) INTAKE MANIFOLD RUNNER CONTROL (IMRC) SOLENOID OUTLET FUSE PNK A/T WIRE PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) POWERTRAIN CONTROL MODULE (PCM)/ ENGINE CONTROL MODULE (ECM) PPL PPL PNK WIRE PPL/WHT WIRE RED WIRE SPLICE PACK STARTER FUSE STARTER RELAY TCM/IPC FUSE THROTTLE ACTUATOR CONTROL (TAC) MODULE TO UNDERHOOD FUSE BLOCK (WASH NOZ TRANSMISSION CONTROL MODULE (TCM) WHT WIRE

7 8 9 10 11 12 13 PPL AUTO OCCUPANT SENS BLK WIRE BLK/WHT WIRE BRN WIRE CASE GROUND DK BLU WIRE DK GRN WIRE DK PPL DRIVER INFLATABLE RESTRAINT ROOF RAIL MODULE (ABOVE LEFT "C" PILLAR) DRIVER INFLATABLE RESTRAINT SIDE IMPACT MODULE (ON LEFT SIDE OF LEFT FRONT SEAT) DRIVER INFLATABLE RESTRAINT SIDE IMPACT SENSING MODULE DRIVER SEAT BELT PRETENSIONER (RIGHT SIDE OF DRIVER'S SEAT) GRN WIRE GRY WIRE HOT IN RUN OR CRANK IGN IGN 1 INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (UNDER CENTER CONSOLE) INFLATABLE RESTRAINT STEERING WHEEL MODULE (ON STEERING WHEEL) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (BELOW INFLATABLE INSIDE REARVIEW MIRROR LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PASSENGER INFLATABLE RESTRAINT SIDE IMPACT SENSING MODULE PASSENGER PRESENCE SYSTEM/STATIC SUPPRESSION MODULE PNK WIRE PPL PPL PPL COMPUTER DATA LINES SYSTEM PPL/WHT WIRE PSIR OFF PSIR OFF IND PSIR ON PSIR ON IND RESTRAINT STEERING WHEEL MODULE) RIGHT REAR FUSE BLOCK (BELOW RIGHT REAR SEAT) AIRBAG FUSE SENSOR SIGNAL SHORTING BAR SHORTING BAR SHORTING BAR STAGE 1 STAGE 2 TAN WIRE TAN/ORG WIRE TAN/WHT WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

A/C CLUTCH RLY CTRL REVERSE INHIBIT SOL CTRL EVAP CAN VENT VALVE CTRL MIL CTRL A/C REFRIG PRESS SEN SIG ALT TERM L AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COOLING FANS SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE FUEL LEVEL SEN SIG FUEL LEVL SEN SIG (SECOND) FUEL PUMP RLY CTRL ENG SPEED (TACH) OUT SIG FUEL TANK PRESSURE SENSOR (IN FUEL TANK) GEN FIELD DUTY SIG GROUND GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES IAT SEN SIG IGN CTRL 1 IGN CTRL 7 IGN CTRL 6 IGN CTRL 4 PPL IGN IGN CTRL IGNITION COIL/ MODULE 2 (TOP RIGHT OF ENGINE) IGNITION COIL/ MODULE 8 (TOP RIGHT OF ENGINE) IGNITION SWITCH INSTRUMENT PANEL CLUSTER LOCK OFF LOGIC SS VSS SPEED IND LOW REF LOW REF ENG OIL PRESS SEN SIG CRANK VOLTAGE LOW REF LOW REF LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MAF SEN SIG MAP SEN SIG HI SPD FAN RLY CTRL EVAP CAN PURGE SOL CTRL MALFUNCTION INDICATOR LAMP OIL TEMP + ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PLUG SPARK PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE RED WIRE RED/WHT WIRE REF LO RUN WIRE SKIP SHIFT IND SOUND SYSTEMS SPARK PLUG SS LAMP CTRL ST RLY COIL SUPPLY STARTING/ CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TORQUE DELIVERED VEHICLE SPEED OUT TFT SEN SIG VSS REF LO VSS SIG HI WHT WIRE YEL WIRE YEL/BLK WIRE