Saturn ION I (2003-2007) org/ Wiring diagrams

2.0L 2.2L B+ SERIAL DATA (CLASS II) BATTERY BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (AT LOWER CENTER OF DASH) CHARGE INDICATOR CLUSTER FUSE GEN FIELD DUTY CYCLE SIG GEN TURN ON SIG GENERATOR GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) LOGIC ORG/ WIRE POWER DISTRIBUTION SYSTEM PPL PPL SERIAL DATA (CLASS II) RED WIRE SERIAL DATA (CLASS II) STARTER UNDERHOOD FUSE BLOCK (AT LEFT REAR SIDE OF ENGINE COMPT) WHT WIRE

B(+) BCM ELECT FUSE BCM PWR FUSE BLK WIRE BODY CONTROL MODULE (BCM) BODY CONTROL MODULE (BCM) (AT LOWER COUPE COURTESY LAMP LOW CONTROL COURTESY/ READING LAMP (W/ DUAL READING LAMP) DASH FUSE DK GRN WIRE DOME LAMP DRIVER DOOR JAMB SWITCH (LEFT FRONT OF DASH, ON OUTER TRIM COVER) DRIVER DOOR JAMB SWITCH SIGNAL FROM LEFT REAR SPEAKER BREAKOUT) FRONT PASSENGER DOOR JAMB SWITCH (RIGHT FRONT OF DASH, ON OUTER TRIM COVER) GROUND HOT AT ALL TIMES INADVERTENT POWER LEFT REAR DOOR JAMB SWITCH (SEDAN) LOGIC (AT LOWER CENTER OF DASH) LT BLU WIRE LT GRN WIRE MAP LIGHTS NCA WIRE OFF ON DOOR ORG/ WIRE PASSENGER DOOR JAMB SWITCH SIGNAL REAR AJAR SWITCH COMPARTMENT LID RELEASE ACTUATOR REAR COMPARTMENT COURTESY LAMP RIGHT REAR DOOR JAMB SWITCH (SEDAN) SEDAN TRUNK, TAILGATE, FUEL DOORS SYSTEM W/ REMOTE ENTRY W/O REMOTE ENTRY WHT 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

2.2L 2.0L ABS IND. AIR BAG IND ANTI-THEFT SYSTEM B+ CLASS 2 (BCM) B+ CLASS 2 (EBCM) B+ CLASS 2 (ECM) B+ CLASS 2 (SDM) B+ TRIP ODOMETER/ MESSAGE CENTER CLASS 2 (BCM/ECM/ EPS/EBCM) BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (AT LOWER CENTER OF DASH) BRAKE IND BRN/WHT WIRE CHARGE IND CLASS 2 (BCM) CLASS 2 (ECM) CLASS 2 (ECM) FUEL GAUGE B+ CLASS 2 (ECM) SPEEDOMETER B+ CLASS 2 (ECM) TACHOMETER B+ CLASS 2 (SDM) CLASS 2 SERIAL DATA PPL CLUSTER FUSE COMPUTER DATA LINES SYSTEM DK GRN WIRE ENGINE CONTROL MODULE (ECM) (2.2L) ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMP. GAUGE ENGINE OIL PRESSURE SWITCH (LOWER REAR OF ENGINE, ABOVE STARTER) FUEL PUMP, SENDER ASSEMBLY (INSIDE FUEL TANK) FUEL SENDER GAUGE POINTER ILLUMINATION GROUND GRY WIRE HIGH BEAM IND HOT AT ALL TIMES ILLUMINATION (6 BULBS) INSTRUMENT PANEL CLUSTER (IPC) IPC CLASS 2 SERIAL DATA LEFT TURN SIGNAL IND LEFT TURN SIGNAL INPUT LOGIC LOW REF BUS MALFUNCTION IND NCA WIRE OIL PRESSURE IND ORG/ WIRE PNK/ORG WIRE PPL PPL FUEL LEVEL SEN SIGNAL RIGHT TURN SIGNAL IND RIGHT TURN SIGNAL INPUT SEAT BELT IND SECURITY IND SECURITY LED DRIVER TAN/BLK WIRE TRIP/ ODOMETER MESSAGE CENTER ILLUM TRIP/RESET SWITCH UP SHIFT IND VIO WIRE YEL WIRE YEL/WHT WIRE

ALC/ PARK RELAY AUTOMATIC HEAD LAMPS ON-OFF CONTROL AUTOMATIC TRANSMISSION SHIFT INDICATOR LAMP (A/T) B(+) BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (AT LOWER BRN WIRE DASH FUSE FOG LAMP SWITCH (DELUXE FOG LAMPS) GRY WIRE HAZARD SWITCH HEADLAMP SWITCH HOT AT ALL TIMES HVAC CONTROL ASSEMBLY ILLUMINATION INST PANEL LAMPS DIM CTRL INST PANEL LAMPS POWER INSTRUMENT PANEL CLUSTER (IPC) INSTRUMENT PANEL DIMMER SWITCH LOGIC (CENTER OF DASH) LOGIC GND LOW REF OFF HEAD ORG/ WIRE PARK AUTO TURN SIGNAL/ MULTIFUNCTION SWITCH PARK FUSE PARK LAMP PWR PARK LAMP RLY CTRL PPL RADIO TRACTION CONTROL SWITCH (W/ TRACTION CONTROL POWERTRAIN MANAGEMENT) WHT WIRE

2.0L 2.2L 2.2L (IN BODY HARNESS, LEFT REAR SIDE OF ENGINE COMPT) A/C CLUTCH RELAY 24 A/T ABS FUSE 8 AUDIO POWERTRAIN CONTROL MODULE AMPLIFIER (PREMIUM) (PCM) (2.0L) BATTERY BCM ELECT FUSE BLK WIRE BODY CONTROL MODULE (BCM) LOGIC (AT LOWER CENTER OF DASH) BRN WIRE CLUSTER FUSE COOLING FAN 2 FUSE 44 COOLING FAN 2 RELAY COOLING FAN S/P RELAY DK BLU WIRE ECM INLINE FUSE ELECTRONIC BRAKE CONTROL MODULE ELECTRONIC LEFT HEADLAMP RIGHT HEADLAMP BRAKE CONTROL MODULE (EBCM) ENGINE CONTROL MODULE ENGINE CONTROL MODULE (ECM) EPS FUSE 43 (UNDERHOOD FUSE BLOCK) (DIAGRAM 2 OF 3) FUEL PUMP FUSE FUEL PUMP RELAY FUSE 47 GENERATOR IGN 3 FUSE IGN SW FUSE IGNITION SWITCH INSTRUMENT PANEL CLUSTER (IPC) IP BATT 1 FUSE 39 IP BATT 2 FUSE 41 KEY-IN SWITCH LH HDLP FUSE 18 RH HDLP FUSE 4 ABS FUSE 40 LOCK OFF LOGIC MODULE) (DIAGRAM 2 OF 3) ORG/ WIRE PNK WIRE POWERTRAIN CONTROL MODULE POWERTRAIN RELAY 29 RED WIRE REF RUN RELAY RUN WIRE RUN/ CRANK FUSE 38 RUN/ CRANK RELAY 28 STARTER STOP FUSE TCM ABS RADIO FUSE 22 (2.2L) FUSE 21 ECM (2.0L) FUSE 1 TO PARK FUSE (BODY CONTROL TO TRANS 2 FUSE 13 (UNDERHOOD FUSE BLOCK) (DIAGRAM 3 OF 3) TRANSMISSION CONTROL MODULE (TCM) (2.2L) TRANSMISSION CONTROL MODULE (TCM) (4 SPEED) UPPER STOP LAMP SWITCH WHT WIRE WHT/BLK WIRE

A/C CLUTCH RELAY 24 A/C FUSE 5 A/T ALC/PARK RELAY AUDIO SYSTEM S-BAND) BCM PWR FUSE BLK WIRE BRN WIRE COOLING FAN (2.2L) COOLING FAN 1 (2.0L) RELAY 30 COOLING FAN 1 (2.0L) COOLING FAN (2.2L) FUSE 45 COUPE, SEDAN CRANK FUSE 46 DASH FUSE DATA LINK CONNECTOR (DLC) DIGITAL RADIO RECEIVER (W/ DIGITAL EPS FUSE 43 EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID FOG LAMP RELAY 26 FROM IP BATT 2 FUSE 41 (UNDERHOOD FUSE BLOCK) (DIAGRAM 1 OF 3) FRONT AUXILIARY POWER OUTLET (AT FRONT OF CENTER CONSOLE) FRONT PASSENGER WINDOW SWITCH DRIVER WINDOW SWITCH FUSE 47, IP BATT 1 FUSE 39 (UNDERHOOD FUSE BLOCK) (DIAGRAM 1 OF 3) HORN FUSE 20 HORN RELAY 25 INSIDE REARVIEW MIRROR LIGHTER FUSE LOGIC ACC RELAY CONTROL LP FOG FUSE 17 ONSTAR FUSE ORG/ WIRE PARK FUSE PCM CONT (2.2L) ECM CONT (2.0L) RELAY 31 POWER STEERING CONTROL MODULE (PSCM) PWR OUTLET FUSE PWR WINDOWS FUSE RADIO RADIO (BATT 1) FUSE RADIO- ACC FUSE REAR AUXILIARY POWER OUTLET (AT REAR OF CENTER CONSOLE) REAR COMPARTMENT LID RELEASE SWITCH REAR DEFOG RELAY 34 RED WIRE RELAY RR DEFOG FUSE 23 STEERING COLUMN ASSEMBLY SUN ROOF FUSE TURN SIGNAL/ MULTI-FUNCTION SWITCH VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) W/ DIGITAL AUDIO SYSTEM S-BAND WIPER 1 RELAY 32 WIPER FUSE 19 WIPER SW FUSE 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

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

AUDIO CMMON BARE BATTERY VOLT BLK/WHT WIRE BODY CONTROL MODULE (BCM) (AT LOWER CENTER OF DASH) BRN/WHT WIRE COAX ANT IN (SAT) COAX ANT IN (TERR) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 DK GRN WIRE DK GRN/WHT WIRE GROUND AUDIO COMMON DRAIN WIRE HOT AT ALL TIMES L AUDIO SIG (+) R AUDIO SIG (+) LOW SPEED GM LAN SERIAL DATA ONSTAR FUSE ORG/ WIRE RADIO SERIAL DATA W/ ONSTAR