Saturn ION I (2003-2007) yel/blk Wiring diagrams

61 50 2761 410 LOW REF ECT SENSOR SIG BLK WIRE BODY CONTROL MODULE (BCM) (AT LOWER CENTER OF DASH) CLASS 2 (BCM) CLASS 2 (BCM) IGN IGN CLASS 2 SERIAL DATA COOLANT LEVEL SWITCH (ATTACHED TO OVER FLOW CONTAINER) COOLING FAN (AT FRONT OF ENGINE COMPARTMENT, ATTACHED TO RADIATOR) COOLING FAN FUSE 45 COOLING FAN RELAY 30 COOLING FAN RELAY CONTROL DK GRN WIRE EMISS FUSE 10 ENGINE CONTROL MODULE (ECM) (AT LEFT SIDE OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE GAUGE HOT AT ALL TIMES HOT W/ POWERTRAIN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER (IPC) LOGIC LOW COOLANT LEVEL IND SIG LT BLU WIRE MESSAGE CENTER PNK WIRE PPL PPL CLASS 2 SERIAL DATA UNDERHOOD FUSE BLOCK (AT LEFT REAR SIDE OF ENGINE COMPT) YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOLENOID VALVE 2-3 SHIFT SOLENOID VALVE PRESSURE CONTROL SOLENOID VALVE 2501 2500 COMPUTER DATA LINES SYSTEM 65 64 BUS - BUS + ACC VOL ACCESSORY VOLTAGE AT ISS LOW SIGNAL AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION FLUID PRESSURE (TFP) MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION INPUT SHAFT SPEED SENSOR AUTOMATIC TRANSMISSION OUTPUT SHAFT SPEED SENSOR BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER CENTER OF DASH) VOL VOL BREAKOUT) BRN WIRE BUS (-) BUS (+) BUS- BUS + SW SIG D VALVE HIGH CTRL OSS HIGH SIGNAL STOP LAMP SW SIG CLASS 2 DATA COMPUTER DATA LINES SYSTEM PPL CRUISE CONTROL SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DR SWITCH ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) GROUND GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START IGNITION SWITCH INSTRUMENT PANEL CLUSTER LOCK OFF LOGIC LOGIC CLASS 2 (ECM) LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MESSAGE CENTER ORG/ WIRE PARK/NEUTRAL POSITION (PNP) SWITCH (TOP OF TRANSAXLE) PNK WIRE PPL PPL CLASS 2 SERIAL DATA PPL OSS LOW SIGNAL VALVE LOW CTRL PRESSURE SW SIG B RED WIRE RED/BLK WIRE RUN WIRE SHIFT SOLENOID B STOP FUSE SW SIG B SW SIG C TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC PWM SOLENOID VALVE TCC RELEASE SW SIG TCM FUSE 1 TFT SENSOR SIGNAL TRANS 1 FUSE 14 TRANS 2 FUSE 13 UNDERHOOD FUSE BLOCK (LEFT REAR OF ENGINE COMPARTMENT) UPPER STOP LAMP SWITCH WHT WIRE YEL WIRE YEL/BLK WIRE

1140 120 465 1140 142 442 441 SOUND SYSTEMS 1200 20 20 20 20 20 HEADLIGHTS SYSTEM A/C REQUEST SIG LOW BEAM PWR AIR CONDITIONING SYSTEM HEADLIGHTS SYSTEM ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM HEADLIGHTS SYSTEM B (+) FUEL PUMP PWR FUEL PUMP RLY CTRL B(+) B(+) B(+) IGN 3 PWR B(+) B(+) ACC VOLTAGE ACC VOLTAGE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (AT LOWER CENTER OF DASH) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM HEADLIGHTS SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRL AMB LIGHT SEN REF ENGINE CONTROLS SYSTEM FOG LP SW SIG OFF/RUN/CRANK PWR FUSE 47 GROUND LOW REF GRY WIRE HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HORNS SYSTEM SHIFT INTERLOCK SYSTEM HOT AT ALL TIMES IP BATT 1 FUSE 39 IP BATT 2 FUSE 41 LP DIM CTRL LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE PANEL LP PWR PANEL LP PWR FOG LP RLY CTRL HORN RLY CTRL SHIFT LK SOL PWR PARK LP PWR PARK LP PWR ACC PWR RUN/CRANK PWR PNK IGN 1 PWR WIRE PNK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM (IGNITION SWITCH) POWER WINDOWS SYSTEM PPL/ PPL/ PPL/ PPL/WHT WIRE PWR WINDOW SW LOCKOUT CTRL (SEDAN) REAR DEFOG RLY CTRL HEADLAMPS OFF SIG RED WIRE RUN WIRE RUN/ CRANK FUSE 38 RUN/ CRANK RELAY 28 SECURITY IND CTRL DRL AMB LIGHT SEN SIG SOUND SYSTEMS SOUND SYSTEMS EXTERIOR LIGHTS SYSTEM UNDERHOOD FUSE BLOCK (AT LEFT REAR SIDE OF ENGINE COMPT) VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WIPER/WASHER SYSTEM EXTERIOR LIGHTS SYSTEM YEL WIRE YEL/BLK WIRE

1040 1440 B(+) B(+) 1146 140 B(+) B(+) 339 343 PNK IGN 1 VOLTAGE ACC VOLTAGE WIRE 40 143 143 B(+) ACC VOLTAGE ACC VOLTAGE 52 41 141 BLOWER MOTOR PWR IGN 3 VOLTAGE IGN 3 VOLTAGE 52 52 1139 BLOWER MOTOR PWR BLOWER MOTOR PWR IGN 1 VOLTAGE AIR CONDITIONING SYSTEM ANTI-THEFT SYSTEM B(+) B+ B- BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (AT LOWER CENTER OF DASH) BRN WIRE CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SYSTEM CRUISE CONTROL SYSTEM, ELECTRONIC POWER STEERING SYSTEMS CRUISE CONTROL SYSTEM, SOUND SYSTEMS CRUISE CONTROL, ENGINE CONTROLS SYSTEMS DEFOGGER SYSTEM HORNS SYSTEM HEADLIGHTS SYSTEM DK BLU WIRE DK GRN WIRE DOOR LK ACT UNLK CTRL LOW BEAM SIG DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM HEADLIGHTS SYSTEM ENGINE CONTROLS SYSTEM GROUND (SEDAN) PASS DR JAMB SW SIG PASS DR JAMB SW SIG WIPER MTR PARK SW SIG GRY WIRE INSTRUMENT CLUSTER SYSTEM LF DR LK ACT UNLK CTRL LF DR LK ACT UNLK CTRL TRUNK AJAR IND CTRL LO COOLANT LEV IND SIG GROUND (SEDAN) LT BLU WIRE MIRRORS SYSTEM ORG/ WIRE PNK IGN 1 VOLTAGE WIRE PNK PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM (IGNITION SWITCH) INSTRUMENT CLUSTER SYSTEM REAR DEFOG RLY CTRL HORN RLY CTRL FOG LP RLY CTRL RED WIRE SOUND SYSTEMS SOUND SYSTEMS EXTERIOR LIGHTS SYSTEM STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TAN WIRE TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM DOOR LOCKS SYSTEM INTERIOR LIGHTS SYSTEM VIO WIRE WARNING SYSTEM WHT WIRE WIPER SW SIG 2 WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE

ACC VOLT AMBIENT AIR TEMP SENS SIG AMBIENT AIR TEMPERATURE SENSOR (AT LEFT FRONT OF VEHICLE, BEHIND GRILL) AMBIENT LIGHT SENSOR AUTOMATIC DAY-NIGHT MIRROR ELEMENT AUTOMATIC DAY/ NIGHT MIRROR LOW REF AUTOMATIC DAY/ NIGHT MIRROR SIG BACKUP LAMPS SUPPLY VOLT BLK WIRE BODY CONTROL MODULE (BCM) (AT LOWER CENTER OF DASH) BRN/WHT WIRE CELLULAR DK GRN/WHT WIRE GROUND GRY WIRE GRY/BLK WIRE HEADLIGHT SENSOR HOT AT ACC OR RUN INSIDE REARVIEW MIRROR KEYPAD KEYPAD GREEN LED KEYPAD SIGNAL KEYPAD SUPPLY LOGIC LOW REF LT GRN WIRE LT GRN/BLK WIRE NCA WIRE POWER TOPS SYSTEM RED LED WIRE SUNROOF FUSE YEL WIRE YEL/BLK WIRE

AMBIENT LIGHT SENSOR (2.2L, W/ AUTO LAMPS) (ON TOP LEFT SIDE OF DASH) B+ VOLTAGE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (AT LOWER CENTER OF DASH) CLASS 2 SERIAL DATA 2 CLUSTER FUSE COMPUTER DATA LINES SYSTEM COUPE DIMMER SWITCH DK BLU WIRE EMERGENCY BRAKE) FOG LAMP FUSE 17 FOG LAMP IND FOG LAMP RELAY 26 FOG LAMP RELAY CTRL FOG LAMP SWITCH FOG LAMP SWITCH SIGNAL GRY WIRE HEAD PARK AUTO OFF HEADLAMP SWITCH HEADLAMPS OFF SIGNAL LOW BEAM RELAY CONTROL HIGH BEAM IND HIGH BEAM SIG HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER IPC CLASS 2 SERIAL DATA LEFT FRONT FOG LAMP LEFT FRONT PARK/TURN SIGNAL LAMP LEFT HEAD- LAMP LEFT TURN LAMP SUPPLY LH HDLP FUSE 18 LIGHT SENSOR LOW REF LIGHT SENSOR SIGNAL LOGIC LOW BEAM SIG LT BLU WIRE LT GRN/BLK WIRE ORG/ WIRE PARK BARAKE SWITCH SIGNAL PARK BRAKE SWITCH (ATTACHED TO PNK WIRE PNK/WHT WIRE PPL PPL/WHT WIRE RH HDLP FUSE 4 RIGHT FRONT FOG LAMP RIGHT FRONT PARK/TURN SIGNAL LAMP RIGHT HEAD- LAMP RIGHT TURN LAMP SUPPLY SEDAN SEDAN, COUPE TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (AT LEFT REAR SIDE OF ENGINE COMPT) VIO WIRE YEL WIRE YEL/BLK WIRE

ACC VOLT LOW SPEED GMLAN ANTENNA SIG AUDIO AMPLIFIER (IN TRUNK, BELOW REAR SHELF) BATTERY VOLT GROUND BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CASE BARE INTERIOR LIGHTS DIMMING COAX DATA LINK CONNECTOR (DLC) (UNDER LOWER LEFT SIDE OF DASH) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE GROUND BATTERY VOLT GROUND LOGIC RADIO GRY WIRE HOT AT ALL TIMES HOT IN ACC OR RUN LEFT FRONT DOOR SPEAKER LEFT REAR SPEAKER LF SPKR OUT (-) LF SPKR OUT (+) LR SPKR OUT (-) LR SPKR OUT (+) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PARK LAMP SPLY VOLT DIMMING PNK RADIO ON SIG WIRE PNK WIRE PNK/BLK WIRE RADIO (BATT 1) FUSE RADIO FUSE 21 RIGHT FRONT DOOR SPEAKER SATELLITE RADIO CIRCUIT SERIAL DATA SERIAL DATA CELLULAR SIG TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT REAR SIDE OF ENGINE COMPT) YEL WIRE YEL/BLK WIRE

ACC VOLT SERIAL DATA LOW SPEED GMLAN PARK LAMP SPLY VOLT ANTENNA SIG BATTERY VOLT GROUND BLK/WHT WIRE BODY CONTROL MODULE (BCM) (AT LOWER CENTER OF DASH) BRN WIRE BRN/WHT WIRE CASE BARE INTERIOR LIGHTS DIMMING COAX DATA LINK CONNECTOR (DLC) (UNDER LOWER LEFT SIDE OF DASH) DIMMING DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GROUND LOGIC RADIO GRY WIRE HOT AT ALL TIMES HOT IN ACC OR RUN I/P LAMP SPLY VOLT LEFT FRONT DOOR SPEAKER LEFT REAR SPEAKER LOGIC PARK LAMP SPLY VOLT LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK/BLK WIRE RADIO (BATT 1) FUSE RADIO ANTENNA RADIO- ACC FUSE RIGHT FRONT DOOR SPEAKER RIGHT REAR SPEAKER SATELLITE RADIO CIRCUIT SATELLITE RADIO CIRCUIT 5060 693 SERIAL DATA CELLULAR SIG TAN WIRE YEL WIRE YEL/BLK WIRE

AIR BAG FUSE AIR BAG INDICATOR ASSEMBLY BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (AT LOWER CENTER OF DASH) BRN WIRE CASE GROUND CLASS 2 SERIAL DATA COUPE COUPE, SEDAN DATA LINK CONNECTOR (DLC) (UNDER LOWER LEFT SIDE OF DASH) DK GRN WIRE GRY WIRE HIGH CONTROL LOW CONTROL LOW CONTROL HIGH CONTROL PNK WIRE HOT IN RUN OR START INFLATABLE RESTRAINT STEERING WHEEL MODULE (ON STEERING WHEEL) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (BEHIND STEERING WHEEL) INSTRUMENT PANEL CLUSTER LEFT INFLATABLE RESTRAINT SIDE IMPACT SENSOR (IN LOWER CORNER OF DRIVER'S DOOR) LEFT SEAT BELT SWITCH (IN LEFT SEAT BELT BUCKLE LOGIC CLASS 2 SERIAL DATA LT BLU WIRE LT GRN WIRE LT GRN/RED WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE POWER STEERING CONTROL MODULE RED/WHT WIRE SEAT BELT SWITCH SEDAN SHORTING BAR SOLID STATE STAGE 1 STAGE 2 STEERING COLUMN ASSEMBLY TAN WIRE VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE