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

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

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

31 16 A/C RELAY 459 1807 PPL CLASS 2 DATA 47 59 49 28 50 335 2751 380 2700 410 COOL FAN REL LOW REF A/C PRESS A/C CLUTCH RELAY 24 A/C COMPRESSOR CLUTCH (AT LOWER LEFT FRONT OF ENGINE) A/C DIODE 35 A/C FUSE 5 A/C IND A/C REFRIGERANT PRESSURE SENSOR (ON LOWER LEFT SIDE OF ENGINE, BELOW GENERATOR) A/C REQUEST A/C SWITCH BLEND BI-LVL HTR BLEND BI-LVL HTR RECIRC SWITCH BLK WIRE BLOWER MOTOR (BEHIND LOWER RIGHT SIDE OF DASH, BEHIND GLOVE COMPT) BODY CONTROL MODULE (BCM) (AT LOWER CENTER OF DASH) BRN WIRE CLASS 2 DATA COOLING FAN (AT FRONT OF ENGINE COMPT, ATTACHED TO RADIATOR) COOLING FAN FUSE 45 COOLING FAN RELAY 30 DEF VENT DK GRN WIRE DK GRN/WHT WIRE ECT SENS ENGINE CONTROL MODULE (ECM) (AT LEFT SIDE OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE (ECT) SENSOR (2.2L: ON RIGHT REAR GRY WIRE HI OFF HOT AT ALL TIMES HOT IN RUN OR START HVAC CONTROL ASSEMBLY HVAC FAN SWITCH HI HVAC FUSE ILLUM LOGIC LOW REF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MODE SWITCH OFF ORG/ WIRE PNK/WHT WIRE PPL RED WIRE RED/BLK WIRE RELAY RUN RELAY CTRL RUN WIRE RUN/ CRANK RELAY 28 TAN WIRE UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE

35 52 ECT SENS LOW REF A/C CLUTCH RELAY 24 A/C COMPRESSOR CLUTCH (AT LOWER LEFT FRONT OF ENGINE) A/C DIODE 35 A/C FUSE 5 A/C IND A/C SWITCH BLEND BI-LVL HTR BLEND BI-LVL HTR RECIRC SWITCH MODE SWITCH BLK WIRE BRN WIRE DEF DEF VENT DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START HVAC CONTROL ASSEMBLY HVAC FAN SWITCH ILLUM LOGIC LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE OFF ORG/ WIRE OVERFLOW CONTAINER) POWERTRAIN CONTROL MODULE (PCM) PNK/WHT WIRE PPL RECIRC IND RED/BLK WIRE RUN/ CRANK RELAY 28 TAN WIRE UNDERHOOD FUSE BLOCK VENT WHT WIRE YEL WIRE

A/C REFRIGERANT PRESSURE SENSOR A/C REQUEST BLK WIRE BLOWER MOTOR (BEHIND LOWER RIGHT SIDE OF DASH, BEHIND GLOVE COMPT) BODY CONTROL MODULE (BCM) (AT LOWER CENTER OF DASH) BRN WIRE CLASS 2 DATA COMPARTMENT) COOLING FAN 1 (ATTACHED TO COOLING FAN 1 FUSE 45 COOLING FAN 1 RELAY 30 COOLING FAN 2 FUSE 44 DK BLU WIRE DK GRN WIRE GRY WIRE HOT AT ALL TIMES HVAC FUSE LOGIC LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE OF DASH, NEAR "A" PILLAR) ORG/ WIRE PNK/WHT WIRE PPL RECIRCULATION ACTUATOR (BEHIND LOWER RIGHT SIDE RED WIRE RED/BLK WIRE RELAY RUN RELAY CTRL RUN WIRE TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT REAR SIDE OF ENGINE WHT WIRE YEL 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

2 22 25 PPL AUTO PARK BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (AT LOWER CENTER OF DASH) BRN WIRE CHIME CLASS 2 (SDM) CLASS 2 SERIAL DATA LEFT TURN SIG LP PWR RIGHT TURN SIG LP PWR CLASS 2 SERIAL DATA SEAT BELT SWITCH DK GRN WIRE DRIVER DOOR JAMB SWITCH (LEFT FRONT OF DASH, ON OUTER TRIM COVER) HOT AT ALL TIMES IGN SW FUSE IGNITION SWITCH INSTRUMENT PANEL CLUSTER (IPC) KEY-IN SWITCH LEFT SEAT BELT SWITCH (IN LEFT SEAT BELT BUCKLE ASSEMBLY) LOCK OFF LOGIC LT GRN WIRE LT GRN/BLK WIRE NCA WIRE OFF HEAD ORG/ WIRE PARK FUSE PARK LAMPS PWR DRIVER DR JAMB SW SIG DRIVER DR JAMB SW SIG PPL PPL PPL RUN WIRE SEAT BELT IND TURN SIGNAL/ MULTI-FUNCTION SWITCH WHT WIRE YEL WIRE

1-4 COIL CTRL ACC VOLT BCM FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (AT LOWER IGN SW CENTER OF FUSE DASH) BRN WIRE BRN/WHT WIRE CAM SIG OUT CLUTCH/ BRAKE CSI PICKUP 2-3 COIL CTRL DK GRN WIRE DK GRN/WHT WIRE ENGINE OIL PRESSURE (EOP) SWITCH FUEL INJECTORS (ON TOP LEFT OF ENGINE, UNDER FUEL RAIL ASSEMBLY) FUEL PUMP FUSE FUEL PUMP RELAY FUEL PUMP, FUEL SENDER FUSE GROUND GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START IC 2-3 IC TIMING CTRL IGN VOLT IGNITION 1 VOL IGNITION COIL IGNITION CONTROL MODULE (AT TOP REAR OF ENGINE, NEAR OIL FILL CAP) IGNITION SWITCH INTER- CONNECT LOCK OFF LOGIC LT BLU/BLK WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE PNK WIRE PNK/BLK WIRE PNK/ORG WIRE PPL RED WIRE RED/PNK WIRE RUN WIRE TAN/BLK WIRE TRANSMISSIONS SYSTEM WHT WIRE YEL/WHT WIRE

AIR FLOW SENSING BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CMP SENSOR SIG LOW REF KNOCK SENSOR SIG GROUND COOLING FANS SYSTEM CRANKSHAFT POSITION (CKP) SENSOR (LOWER REAR OF ENGINE, BELOW OIL FILTER) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (AT LEFT SIDE OF ENGINE COMPARTMENT) EVAPORATIVE EMISSION (EVAP) CANISTER PURGE SOLENOID FUEL INJ 1 CTRL FUEL INJ 3 CTRL FUEL INJ 4 CTRL FUEL INJ 2 CTRL GRY WIRE IGN 1 VOL INTAKE AIR TEMPERATURE (IAT) SENSOR KNOCK SENSOR (KS) (LOWER LEFT SIDE OF ENGINE, BELOW THROTTLE BODY) LOW CTRL SENSOR VSS HIGH SIG VSS LOW SIG LOW REF LOW REFERENCE LOW REFERENCE HIGH SIG SENSOR LOW SIG SENSOR HIGH SIG SENSOR LOW SIG SENSOR PPL LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MAF/IAT SENSOR (ATTACHED TO AIR CLEANER OUTLET) NCA WIRE OF ENGINE) ORG/ WIRE ORG/BLK WIRE PNK/BLK WIRE PPL PPL TP SENSOR 2 SIG PPL/WHT WIRE PURGE SOL CTRL RED WIRE RED/BLK WIRE STARTING/CHARGING SYSTEM STARTING/CHARGING SYSTEM COMPUTER DATA LINES SYSTEM TAC MOTOR CTRL 1 TAC MOTOR CTRL 2 TAN WIRE TAN/BLK WIRE TAN/WHT WIRE THROTTLE BODY (TOP LEFT SIDE TP SENSOR 1 SIG LOW REF WHT WIRE YEL WIRE