Pontiac GTO IV (2004-2006) (engine compt in right front wheel well) Wiring diagrams

17 19 10 SERIAL DATA SERIAL DATA 6 1 30 UART SERIAL DATA 6 7 37 38 LAN SIG LAN SIG LAN SIG LAN SIG ABS FUSE ABS, TCS CONTROL MODULE FUSE ABS, TCS FUSE AUXILIARY GAUGES BATT +VE VOLT BRK/PARK BRAKE WARNING IND BLK WIRE BLK/ORG WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BODY CONTROL MODULE (BCM) (BELOW RIGHT SIDE OF DASH) BRAKE FLUID LEVEL SWITCH (IN MASTER CYLINDER RESERVOIR) BRN WIRE BRN/BLK WIRE BRN/ORG WIRE COMPUTER DATA LINES DATA LINK CONNECTOR (DLC) (UNDER DASH, BELOW STEERING COLUMN) ELECTRONIC BRAKE CONTROL MODULE (EBCM) (RIGHT SIDE OF ENGINE COMPT) ENGINE CONTROL MODULE (ECM) GRN WIRE GRN/WHT WIRE GROUND LF WHL SPD SIG HIGH GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT PANEL CLUSTER (IPC) INSTRUMENT PANEL FUSE BLOCK (BELOW LEFT END OF DASH) INSTRUMENTS FUSE LAN SIG LEFT FRONT WHEEL SPEED SENSOR (ON LEFT FRONT WHEEL) LEFT REAR WHEEL SPEED SENSOR ORG/BLU WIRE ORG/YEL WIRE PARKING BRAKE SWITCH (IN CENTER CONSOLE) POWERTRAIN INTERFACE MODULE (PIM) PPL RADIO RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT WHEEL SPEED SENSOR RIGHT REAR WHEEL SPEED SENSOR (RIGHT SIDE OF REAR DIFFERENTIAL) STOP LAMP SWITCH (ON TOP OF BRAKE PEDAL SUPPORT) STOP LAMPS FUSE SYSTEM TAN WIRE TAN/BLK WIRE TRACTION CONTROL SWITCH TRANSMISSION CONTROL MODULE (TCM) UART SERIAL DATA UNDERHOOD FUSE BLOCK (ON RIGHT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

2 1 SERIAL DATA BUS - SERIAL DATA BUS + 9 5 6 SECONDARY UART DATA PRIMARY UART DATA TERTIARY UART DATA AUXILIARY GAUGES BLK WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BODY CONTROL MODULE (BCM) (BELOW RIGHT SIDE OF DASH) BRN WIRE BRN/BLK WIRE CRUISE CONTROL SWITCH CRUISE ON SIG CRUISE RES/ACCEL SIG CRUISE SET/COAST SIG DATA LINK CONNECTOR (UNDER DASH, BELOW STEERING COLUMN) ELECTRONIC BRAKE CONTROL MODULE (EBCM) (RIGHT SIDE OF ENGINE COMPT) ENGINE CONTROL MODULE (ECM) GRN/WHT WIRE GRY/BLK WIRE GRY/GRN WIRE HOT AT ALL TIMES IGNITION SWITCH INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (BELOW CENTER CONSOLE) INSTRUMENT PANEL CLUSTER (IPC) LOCK OFF ORG/ WIRE ORG/BLK WIRE POWERTRAIN INTERFACE MODULE (PIM) (BEHIND LEFT REAR QUARTER WINDOW) RADIO RED/BLK WIRE RED/WHT WIRE RUN WIRE SPLICE PACK SWITCH SIG TAN WIRE TAN/BLK WIRE TRACTION CONTROL SWITCH TRANSMISSION CONTROL MODULE (TCM) UART SERIAL DATA UNDERHOOD FUSE BLOCK (ON RIGHT SIDE OF ENGINE COMPT) BCM/ENGINE CONTROL FUSE WHT/GRN WIRE

10 16 BATTERY POSITIVE VOLTAGE CTSY LAMP RELAY CONTROL 11 20 GROUND GROUND 2 PPL/ 328 157 774 745 746 PPL BCM/ ENGINE CONTROLS FUSE BLK WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BODY CONTROL MODULE (BCM) (BELOW RIGHT SIDE OF DASH) CONSOLE COMPARTMENT LAMP CONSOLE COMPARTMENT LAMP SWITCH DOME DOME LAMP DOME LAMP CONTROL RELAY DOOR DRIVER DOOR LOCK AJAR INDICATOR SWITCH FORM LOCK ILLUMINATOR) GRN WIRE GROUND GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES IGNITION LOCK CYLINDER LAMP INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL COMPARTMENT LAMP INSTRUMENT PANEL COMPARTMENT LAMP SWITCH INSTRUMENT PANEL FUSE BLOCK (BELOW LEFT END OF DASH) INTERIOR ILLUMINATION FUSE INTERIOR ILLUMINATION RELAY LEFT DOOR COURTESY LAMP LEFT FOOTWELL COURTESY LAMP LEFT VANITY MIRROR LAMP OFF ORG/ WIRE ORG/BLK WIRE PASSENGER DOOR LOCK AJAR INDICATOR SWITCH POWER READING REAR COMPARTMENT LAMP REAR COMPARTMENT LAMP SWITCH RIGHT DOOR COURTESY LAMP RIGHT FOOTWELL COURTESY LAMP RIGHT VANITY MIRROR LAMP SPLICE PACK WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE

AUTO BACK-UP LAMPS CIRCUIT BACKUP LAMPS CIRCUIT BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BELOW RIGHT SIDE OF DASH) BRN WIRE BRN/WHT WIRE FLASHER RELAY GRY WIRE HAZARD SWITCH HDLMPS OFF HDLMPS ON HDLP RET HEAD HEADLAMP SWITCH HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT IN RUN OR ACC HZRD SW SIG INSTRUMENT PANEL FUSE BLOCK (BELOW LEFT END OF DASH) LEFT FRONT MARKER LAMP LEFT FRONT PARK/TURN SIGNAL LAMP LEFT REAR TURN SIGNAL LAMP LT BLU WIRE OFF ORG/ WIRE PARK PARK LAMP TURN LAMP PARK LAMPS FUSE PARK LAMPS RELAY PPL PRK LP RET RED WIRE RIGHT FRONT MARKER LAMP PARK LAMP RIGHT FRONT PARK/TURN SIGNAL LAMP RIGHT REAR TURN SIGNAL LAMP SENSE TURN LAMP TURN SIGNALS, BACKUP LAMPS FUSE WHT WIRE WHT/RED WIRE YEL WIRE

ACCESSORY POWER OUTLET BATTERY BLK WIRE BLK/WHT WIRE BLOWER INHIBIT RELAY BLOWER RELAY BODY CONTROL MODULE (BCM) BRAKE FLUID LEVEL SWITCH CONSOLE COMPARTMENT SWITCH DATA LINK CONNECTOR (DLC) DAYTIME RUNNING LAMPS RELAY ECM/TCM CONTROL RELAY 1 ECM/TCM CONTROL RELAY 2 ELECTRONIC BRAKE CONTROL MODULE (EBCM) FROM CRUISE CONTROL MODULE) FROM LEFT HORN) FROM TURN SIGNAL MULTI FUNCTION SWITCH) FROM UNDERHOOD FUSE BLOCK FRONT CIGAR LIGHTER FUEL PUMP RELAY FOG LAMP GRN WIRE HEADLAMP RELAY (HIGH BEAM) HEADLAMP RELAY (LOW BEAM) HORN 1 HORN 2 IGNITION CONTROL RELAY INSTRUMENT PANEL CLUSTER (IPC) LEFT FRONT PARK/TURN SIGNAL LAMP LEFT MARKER LIGHT) ORG/ WIRE RADIATOR FAN RELAY 1 SHIFTLOCK CONTROL RELAY RADIATOR FAN RELAY 2 RADIO REAR CIGAR LIGHTER REAR COMPARTMENT LID RELEASE SWITCH RED WIRE RELAY RIGHT FRONT MARKER LAMP RIGHT FRONT PARK/TURN SIGNAL LAMP UNDERHOOD FUSE BLOCK WHT WIRE WINDSHIELD WIPER DWELL MODULE WINDSHIELD WIPER MOTOR YEL WIRE

2 9 TWILIGHT SENTINEL ENBL SW SERIAL DATA AMBIENT LIGHT SENSOR (ON TOP OF DASH, UNDER DEFROSTER GRILLE) AUTO BATTERY BCM/ENGINE CONTROLS FUSE BLK WIRE BLK/GRN WIRE BLU WIRE BLU/YEL WIRE BODY CONTROL MODULE (BELOW RIGHT SIDE OF DASH) BRIGHTER BRN WIRE BRN/ORG WIRE COMPUTER DATA LINES SYSTEM DARKER DRL IND FOG LAMPS FOG LAMPS IND GRN WIRE GRN/WHT WIRE HDLMPS OFF HDLMPS ON HDLP RET HDLP SW HEAD HEAD LIGHT SWITCH HEADLAMP SWITCH HIGH BEAM IND HOT AT ALL TIMES I/P DIM SW INFORMATION SWITCH INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL CLUSTER LIGHT SENSOR (-) LO (NOT USED) LT GRN/BLK WIRE OFF ORG/ WIRE ORG/BLK WIRE PARK PARKING BRAKE SWITCH PPL PPL/RED WIRE PRK LP RET RED WIRE TURN SIGNAL/ MULTIFUNCTION SWITCH TWILIGHT SENTINEL ENBL SW UNDERHOOD FUSE BLOCK (ON RIGHT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE

19 4 AJAR SW SIG AJAR SW SIG 21 48 VSS SIG ENGINE SPD 37 21 REF VOLTAGE LOW REF ABS OFF IND BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SWITCH BRAKE IND BRAKE WARNING IND BRN WIRE BRN/ORG WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRCTL ACTIVE LOW FUEL CRCTL ON DOOR AJAR DOOR AJAR IND DRIVER DOOR LOCK AJAR INDICATOR SWITCH DRL CONTROL DRL IND ECT SENS ENGINE CONTROL MODULE (ECM) ENGINE CONTROLS SYSTEM ENGINE COOLANT ENGINE COOLANT TEMP ENGINE OIL PRESSURE SENSOR (TOP CENTER REAR OF ENGINE) FOG LAMPS FOG LAMPS IND FUEL LEVEL GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM COMPUTER DATA LINES SYSTEM HIGH BEAM HIGH BEAM IND HOT AT ALL TIMES HOT IN RUN OR START HOT W/ PARK LAMPS ON HTD REAR WINDOW, HVAC, INSTRUMENTS FUSE IGNITION SWITCH ILLUMINATION (6 BULBS) INSTRUMENT ILLUM FUSE INSTRUMENT PANEL CLUSTER (IPC) INSTRUMENT PANEL FUSE BLOCK (BELOW LEFT END OF DASH) INSTRUMENTS FUSE L TURN SIG LAMPS FAIL LEFT TURN IND LOW COOLANT LOW REF LT BLU WIRE LT GRN/BLK WIRE MIL CONTROL MIL CTRL MIL IND MULTIFUNCTION DISPLAY TC OFF TC LOW OIL PRESS ORG/ WIRE ORG/YEL WIRE OVER SPEED OIL PRESS OVER TEMP P R N D 3 2 1 PARKING BRAKE SWITCH (IN CENTER CONSOLE) PASSENGER DOOR LOCK AJAR INDICATOR SWITCH PNK/BLU WIRE POWER SHIFT POWERTRAIN CONTROL MODULE (PCM) (LEFT SIDE OF ENGINE COMPT) PPL FUEL LEVEL PPL/WHT WIRE R TURN SIG RED/BLK WIRE RIGHT TURN IND SEAT BELT BUCKLE SWITCH SEAT BELT IND SEAT BELT SW- SECURITY IND SERIAL DATA SET MODE MODE SPEEDOMETER SRS WARNING IND TACHOMETER TEMPERATURE SENSOR (LEFT SIDE OF ENGINE, BELOW GENERATOR) TRIP COMPUTER 000000 TRIP ODOMETER RESET SWITCH WHT WIRE YEL WIRE

A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH DIODE A/C COMPRESSOR CLUTCH RELAY (MICRO) A/C IND A/C REQUEST A/C SWITCH BCM/ ENGINE BLK WIRE BLK/RED WIRE BLOWER FAN FUSE BLOWER FUSE BLOWER MOTOR (UNDER RIGHT SIDE OF DASH) BLOWER MOTOR INLINE FUSE HOLDER BLOWER MOTOR RESISTOR ASSEMBLY (BELOW RIGHT SIDE OF DASH) BLOWER RELAY (MICRO) BLR MTR LOW CTRL BLU/WHT WIRE BODY CONTROL MODULE (BCM) (BELOW RIGHT SIDE OF DASH) BRN/WHT WIRE CONTROL FUSE DATA LINK CONNECTOR (DLC) DEFOG IND DEFOG SWITCH 1 2 DEFOGGER SYSTEM ENGINE CONTROL MODULE ENGINE GROUND ENGINE SENSORS FUSE GRN WIRE GRY WIRE HEATED REAR WINDOW FUSE HIGH SPD COOL FAN HOT AT ALL TIMES HOT IN RUN OR START HVAC CONTROL ASSEMBLY (CENTER OF DASH, UNDER RADIO) LOW SPD COOL FAN LT GRN/BLK WIRE OF BATTERY) OFF ORG/ WIRE ORG/BLK WIRE ORG/BLU WIRE ORG/GRN WIRE PNK WIRE PNK/BLU WIRE QUARTER TRIM PANEL, NEAR SEAT BOTTOM) RAD FAN LARGE FUSE RAD FAN SMALL FUSE REAR DEFOG SW RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SEC REAR DEFOG SW UNDERHOOD FUSE BLOCK (ON RIGHT SIDE OF ENGINE COMPT) YEL WIRE YEL/BLK WIRE

A/C REFRIGERANT PRESSURE SENSOR (LEFT FRONT CORNER OF ENGINE COMPT) BLK WIRE BLK/RED WIRE BLOWER INHIBIT RELAY BLU/WHT WIRE BLU/YEL WIRE BRN/GRY WIRE CLU RLY CTRL COOLING FAN ASSEMBLY ECT SENSOR SIG ENGINE COOLANT TEMPERATURE (ECT) SENSOR (LEFT SIDE OF ENGINE, BELOW GENERATOR) GRN WIRE GRN/BLK WIRE GRY/BLK WIRE HEATED REAR WINDOW, HVAC, INSTRUMENTS FUSE HOT IN RUN OR START INSTRUMENT PANEL FUSE BLOCK (BELOW LEFT END OF DASH) LARGE FAN LOW REF LT GRN/BLK WIRE ORG/BLK WIRE ORG/BLU WIRE ORG/GRN WIRE ORG/YEL WIRE PNK/BLU WIRE POWERTRAIN CONTROL MODULE (PCM) (LEFT SIDE OF ENGINE COMPT) PRESS SENS SIG RADIATOR FAN RELAY 2 RADIATOR FAN RELAY 3 RADIATOR FAN RELAY-1 SMALL ENGINE COOLING FAN) SMALL FAN TAN WIRE TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (ON RIGHT SIDE OF ENGINE COMPT) UNDERHOOD FUSE PANEL) VOL (-) YEL WIRE

AIR CONDITIONING SYSTEM BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/WHT WIRE BRN/BLU WIRE BRN/ORG WIRE BRN/RED WIRE BRN/WHT WIRE CLUTCH REL CTRL ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPARTMENT, FUEL INJECTORS, IGNITION MODULE FUSE FUEL PUMP RELAY GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES IAT SENSOR SIGNAL LOW REF LOW REFERENCE LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MAF SENSOR SIGNAL MASS AIRFLOW (MAF) SENSOR (ON AIR INTAKE ASSEMBLY) ORG/ WIRE ORG/BLK WIRE PARK/NEUTRAL SIG PNK WIRE PPL PPL 19 20 PPL 9 10 PPL/BLK WIRE PPL/WHT WIRE RED WIRE RED/WHT WIRE RIGHT REAR TAIL LAMP SKIP SHIFT SOL CTRL STUD UNDERHOOD FUSE BLOCK (RIGHT SIDE OF FUEL ENGINE COMPARTMENT) PUMP FUSE VSS HIGH SIG VSS LOW SIG WHT WIRE