Cadillac CTS I (2002-2007) ign 1 relay Wiring diagrams

5 9 25 PNK PPL PPL WIRE BLK WIRE BLK/WHT WIRE BRAKE PEDAL POSITION SENSOR (NEAR TOP OF BRAKE PEDAL) BRN WIRE BRN/WHT WIRE CLUTCH PEDAL POSITION (CPP) SENSOR (M/T) COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH CRUISE INDICATOR DK GRN WIRE ENGINE CONTROL MODULE (ECM) (FRONT OF RIGHT VALVE COVER) GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN OR START HTR VLV/ CLTCH FUSE STRG CTLS FUSE IGN 1 RELAY IGNITION CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA INSTRUMENT PANEL CLUSTER (IPC) LOGIC MAIN RELAY ON OFF ORG/ WIRE PNK PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL/ PPL/ PPL/ R/A TAN WIRE TCM/ IPC FUSE THROTTLE ACTUATOR CONTROL (TAC) MOTOR THROTTLE BODY ASSEMBLY THROTTLE POSITION (TP) SENSOR TOS FUSE TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) (M/T) (ON RIGHT REAR OF TRANSMISSION) WHT WIRE YEL WIRE

5 9 25 PNK PPL PPL WIRE BLK WIRE BLK/WHT WIRE BRAKE PEDAL POSITION SENSOR (NEAR TOP OF BRAKE PEDAL) BRN WIRE BRN/WHT WIRE CLUTCH PEDAL POSITION (CPP) SENSOR (M/T) COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH CRUISE INDICATOR DK GRN WIRE ENGINE CONTROL MODULE (ECM) (FRONT OF RIGHT VALVE COVER) GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN OR START HTR VLV/ CLTCH FUSE STRG CTLS FUSE IGN 1 RELAY IGNITION CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA INSTRUMENT PANEL CLUSTER (IPC) LOGIC MAIN RELAY ON OFF ORG/ WIRE PNK PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL/ PPL/ PPL/ R/A TAN WIRE TCM/ IPC FUSE THROTTLE ACTUATOR CONTROL (TAC) MOTOR THROTTLE BODY ASSEMBLY THROTTLE POSITION (TP) SENSOR TOS FUSE TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) (M/T) (ON RIGHT REAR OF TRANSMISSION) WHT WIRE YEL WIRE

20 21 822 821 VSS LOW SIGNAL VSS HIGH SIGNAL ANTI-LOCK BRAKES SYSTEM B+ LOGIC BLK WIRE BRAKE PEDAL POSITION SENSOR (NEAR TOP OF BRAKE PEDAL) BRN WIRE BRN/WHT WIRE CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA IGNITION CLUTCH PEDAL POSITION (CPP) SENSOR (M/T) COAST COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH FUSE CRUISE INDICATOR CRUISE SWITCH DK BLU WIRE DK GRN WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN OR START HTR VLV/ CLTCH FUSE STRG CTLS FUSE IGN 1 RELAY INSTRUMENT PANEL CLUSTER (IPC) LOGIC LT GRN WIRE ORG/ WIRE PNK PNK PNK PNK WIRE PNK PNK WIRE PNK POWER DISTRIBUTION SYSTEM WIRE PNK TP SENS 2 SIG LOW REF WIRE PNK TP SENSOR 2 WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) PPL PPL PNK WIRE PPL PPL PNK 9 25 5 WIRE PPL/WHT WIRE RESUME/ ACCEL RIGHT STEERING WHEEL CONTROLS SET- STEERING COLUMN FUSE BLOCK (TAPED TO STEERING COLUMN HARNESS) STEERING WHEEL CONTROL SWITCH FUSE TCM/ IPC FUSE THROTTLE ACTUATOR CONTROL (TAC) MODULE (RIGHT FRONT OF ENGINE COMPT) THROTTLE ACTUATOR CONTROL (TAC) MOTOR (RIGHT FRONT OF ENGINE COMPT) THROTTLE POSITION (TP) SENSOR (RIGHT SIDE OF THROTTLE BODY) TP SENS 1 SIG LOW ERF TAC MOTOR CTRL-2 TAC MOTOR CTRL-1 PPL TP SENSOR 1 UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) (ON LEFT REAR OF TRANSMISSION) WHT WIRE YEL WIRE YEL/BLK WIRE

5.7L 62 13 EXTENDED TRAVEL BRAKE SW SIG REQUESTED TORQUE SIGNAL 8 11 PPL PPL CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA ABS FUSE ABS INDICATOR SIG BAS RELAY COIL SUPPLY VOLTAGE BAS RLY COIL SUPPLY VOLTAGE BLK WIRE BPP SENSOR SIGNAL BRAKE PEDAL POSITION SENSOR (NEAR TOP OF BRAKE PEDAL) BRAKE PUMP MOTOR BRN WIRE COMPUTER DATA LINES SYSTEM DELIVERED TORQUE SIGNAL DK BLU WIRE DK GRN WIRE ENGINE CONTROL MODULE (ECM) (FRONT OF RIGHT VALVE COVER) EXCEPT 5.7L GROUND HIGH EFFORT CTRL LOW EFFORT CTRL GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN OR START IGN 1 RELAY LOGIC LOW REFERENCE 5 VOLT REFERENCE LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MESSAGE CENTER MESSAGE REQUEST LOGIC NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK ABS FUSE WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) PPL RADIO RED/BLK WIRE REQUESTED TORQUE SIGNAL RIGHT REAR FUSE BLOCK (BELOW RIGHT REAR SEAT) SPLICE PACK TAN WIRE TAN/BLK WIRE THROTTLE ACTUATOR CONTROL (TAC) MODULE (RIGHT FRONT OF ENGINE COMPARTMENT) TRACTION CONTROL DATA SIG TRACTION CONTROL DATA SIGNAL CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA PPL PPL TRACTION SUSPENDED SERVICE SUSPENSION SYS TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) VARIABLE EFFORT STEERING ACTUATOR (ON POWER STEERING GEAR INPUT SHAFT) W/ SOFT RIDE SUSPENSION SYSTEM WHT WIRE YEL WIRE YEL/BLK WIRE

1807 1807 COMPUTER DATA LINES SYSTEM AUTO HEAD PARK BAS RLY BPP SIG BLK WIRE BRAKE PEDAL POSITION (BPP) SENSOR (NEAR TOP OF BRAKE PEDAL) BRN WIRE BRN/WHT WIRE CENTER HIGH MOUNTED STOP LAMP (CHMSL) LEFT LICENSE LAMP RIGHT LICENSE LAMP DIMMING FUSE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DRL LOW CTRL HAZARD SW SIG SUPPLY VOLTAGE CTRL PARK LAMP RLY CTRL FLASHER FUSE GRN WIRE HAZARD SWITCH HOT AT ALL TIMES HOT IN RUN OR START IGN 1 RELAY LEFT FRONT TURN SIGNAL/ FOG LAMP ASSEMBLY LEFT FRONT TURN SIGNAL LAMP LICENSE LAMP ASSEMBLY LOW REF LT BLU WIRE LT BLU/WHT WIRE LT GRN/BLK WIRE OFF ORG/ WIRE PARK LAMP RELAY PNK WIRE PNK/ DK WIRE RED WIRE RED/WHT WIRE RIGHT FRONT TURN SIGNAL/ FOG LAMP ASSEMBLY RIGHT FRONT TURN SIGNAL LAMP RIGHT TURN SIGNAL VOLTAGE RIGHT DRL/TURN SUPPLY VOL STRG CTLS FUSE SUPPLY VOLTAGE TO UNDERHOOD FUSE BLOCK (LT PARK FUSE, TURN SIGNAL/ MULTI-FUNCTION SWITCH TURN SIGNAL/HAZARD FLASHER MODULE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT WIRE YEL WIRE

A/T ACCESSORY RELAY AUXILIARY COOLING FAN AUXILIARY POWER OUTLET BLK WIRE BLOWER MOTOR CONTROL PROCESSOR CIGAR LIGHTER FROM HAZARD SWITCH CONNECTOR) FRONT HEADLAMP LEVELING SENSOR FRONT PASSENGER DOOR MODULE (FPDM) HORN ASSEMBLY HVAC CONTROL MODULE ELECTRONIC PRNDL IGN 1 RELAY LEFT COOLING FAN LEFT FRONT MARKER LAMP LEFT FRONT TURN SIGNAL LAMP LEFT FRONT FOG LAMP LEFT FRONT TURN SIGNAL/ FOG LAMP ASSEMBLY LEFT HEADLAMP M/T RIGHT FRONT MARKER LAMP RIGHT FRONT TURN SIGNAL LAMP RIGHT FRONT FOG LAMP RIGHT FRONT TURN SIGNAL/ FOG LAMP ASSEMBLY RIGHT HEADLAMP RIGHT REAR DOOR MODULE (RRDM) S/P FAN RELAY TRAILER PROVISIONS W/ AUTOMATIC HEADLAMPS CONTROL LEVELING SYSTEM W/ HID W/ HID RIGHT HEADLAMP W/O AUTOMATIC HEADLAMPS CONTROL LEVELING SYSTEM W/O HID WHT WIRE

AUDIO AMPLIFIER BAS RELAY BLK WIRE BLUNT CUT) CENTER HIGH MOUNTED STOP LAMP (CHMSL) LEFT BACKUP LAMP RIGHT BACKUP LAMP COIL FUEL PUMP MOTOR RELAY FUEL PUMP, SENDER ASSEMBLY IGN 1 RELAY IGN-3 RELAY INSIDE REARVIEW MIRROR (ISRVM) LEFT REAR FOG LAMP LEFT REAR FUSE BLOCK (BELOW LEFT REAR SEAT) LEFT REAR TAIL LAMP LEFT REAR TAIL/ STOP LAMP LEFT REAR TURN SIGNAL LAMP LEFT TAIL LAMP ASSEMBLY LEFT VANITY LAMPS COURTESY LAMPS LICENSE LAMP ASSEMBLY NCA WIRE OVERHEAD CONSOLE DRIVER SUNSHADE PASSENGER SUNSHADE RADIO REAR COMPARTMENT LID RELEASE ACTUATOR REAR HEADLAMP LEVELING SENSOR REAR INTEGRATION MODULE (RIM) REAR WINDOW DEFOGGER RIGHT LEFT LICENSE LAMP REAR FOG LAMP RIGHT LICENSE LAMP LEFT REAR MARKER LAMP RIGHT REAR MARKER LAMP RIGHT REAR TAIL LAMP RIGHT REAR TAIL/STOP LAMP RIGHT REAR TURN SIGNAL LAMP RIGHT TAIL LAMP ASSEMBLY RIGHT VANITY LAMPS SUNROOF CONTROL SWITCH SUNROOF MODULE W/ ELECTRIC SLIDING SUN ROOF GLASS W/O ELECTRIC SLIDING SUN ROOF GLASS WHT WIRE

28 29 PNK WIRE 28 29 PPL BLK WIRE BLK/WHT WIRE BRN WIRE CANISTER VENT FUSE DK GRN WIRE DK GRN/WHT WIRE ECM FUSE FUEL PUMP MOTOR RELAY GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT AT ALL TIMES FUEL PUMP MTR FUSE HOT IN ACC OR RUN HOT IN RUN OR START IGN 1 RELAY IGN MOD/ MAF FUSE IGNITION COIL 1 (TOP RIGHT OF ENGINE) IGNITION COIL 2 (TOP LEFT OF ENGINE) IGNITION COIL 3 (TOP RIGHT OF ENGINE) IGNITION COIL 4 (TOP LEFT OF ENGINE) IGNITION COIL 5 (TOP RIGHT OF ENGINE) IGNITION COIL 6 (TOP LEFT OF ENGINE) LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/WHT WIRE MAIN RELAY NCA WIRE ODD INJ/ COIL FUSE TOS FUSE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK WIRE PNK/BLK WIRE POWER DISTRI- BUTION SYSTEM PPL PPL/WHT WIRE PRE 02/ CAM FUSE POST 02 FUSE EVEN INJ/ COIL FUSE ECM/TCM FUSE RED/WHT WIRE RIGHT REAR FUSE BLOCK (BELOW RIGHT REAR SEAT) SPARK PLUG TAN WIRE TAN/WHT WIRE TCM/ IPC FUSE THEFT FUSE UNDER HOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE

28 29 PNK WIRE 28 29 PPL BLK WIRE BLK/WHT WIRE BRN WIRE CANISTER VENT FUSE DK GRN WIRE DK GRN/WHT WIRE ECM FUSE FUEL PUMP MOTOR RELAY GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT AT ALL TIMES FUEL PUMP MTR FUSE HOT IN ACC OR RUN HOT IN RUN OR START IGN 1 RELAY IGN MOD/ MAF FUSE IGNITION COIL 1 (TOP RIGHT OF ENGINE) IGNITION COIL 2 (TOP LEFT OF ENGINE) IGNITION COIL 3 (TOP RIGHT OF ENGINE) IGNITION COIL 4 (TOP LEFT OF ENGINE) IGNITION COIL 5 (TOP RIGHT OF ENGINE) IGNITION COIL 6 (TOP LEFT OF ENGINE) LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/WHT WIRE MAIN RELAY NCA WIRE ODD INJ/ COIL FUSE TOS FUSE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK WIRE PNK/BLK WIRE POWER DISTRI- BUTION SYSTEM PPL PPL/WHT WIRE PRE 02/ CAM FUSE POST 02 FUSE EVEN INJ/ COIL FUSE ECM/TCM FUSE RED/WHT WIRE RIGHT REAR FUSE BLOCK (BELOW RIGHT REAR SEAT) SPARK PLUG TAN WIRE TAN/WHT WIRE TCM/ IPC FUSE THEFT FUSE UNDER HOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BRN WIRE BRN/WHT WIRE CANISTER VENT FUSE DK BLU WIRE DK BLU/WHT WIRE DK GRN/WHT WIRE ECM/TCM FUSE THEFT FUSE EVAPORATIVE EMISSION CANISTER PURGE SOLENOID VALVE (TOP LEFT FRONT OF ENGINE) FUEL LEVEL SENSOR FUEL PUMP MOTOR FUSE FUEL PUMP RELAY FUEL PUMP/ SENDER ASSEMBLY (IN FUEL TANK) GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN RUN OR ACC HOT IN RUN OR START IGN 1 RELAY IGN MOD/ MAF FUSE LT BLU WIRE LT GRN WIRE MAIN RELAY MANIFOLD ABSOLUTE PRESSURE SENSOR ODD INJ/ COIL FUSE ECM FUSE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK 1 2 3 4 5 6 7 8 WIRE PNK WIRE PNK/BLK WIRE PRE 02/ CAM FUSE POST 02 FUSE EVEN INJ/ COIL FUSE RED/WHT WIRE RIGHT REAR FUSE BLOCK (BELOW RIGHT REAR SEAT) SECONDARY FUEL SENDER ASSEMBLY (LEFT SIDE OF FUEL TANK) TAN WIRE TCM/ IPC FUSE TOS FUSE TRANSMISSION FLUID TEMPERATURE SENSOR (IN TRANSMISSION) UNDER HOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) YEL WIRE YEL/BLK WIRE