Saturn ION I (2003-2007) brn Wiring diagrams

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

ALC/ PARK RELAY ANTI-LOCK BRAKES SYSTEM AUTO PARK HEADLAMP SWITCH BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BCM) (AT LOWER CENTER OF DASH) BRN WIRE CENTER HIGH MOUNTED STOP LAMP (CHMSL) (6 BULBS) COUPE, SEDAN DK BLU WIRE DK GRN WIRE ENGINE CONTROLS, TRANSMISSIONS SYSTEM GRY WIRE HAZARD SWITCH HEAD HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) LEFT BACKUP LAMP LEFT TAIL/ STOP LAMP LEFT TAIL/ TURN SIGNAL LAMP LEFT TURN SIGNAL IND LEFT TURN SIGNAL INPUT LEFT TURN SIGNAL LAMPS SUPPLY VOLT LICENSE LAMP LOGIC LT BLU WIRE OF DASH, ATTACHED TO BRAKE PEDAL BRACKET) OFF ORG/ WIRE PARK FUSE PARK LAMP RELAY CTRL PARK LAMP SUPPLY VOLT PREMIUM RIGHT BACKUP LAMP RIGHT FRONT MARKER LAMP (COUPE) LEFT FRONT MARKER LAMP (COUPE) RIGHT LEFT RIGHT TAIL/ STOP LAMP RIGHT TAIL/ TURN SIGNAL LAMP RIGHT TURN SIGNAL IND RIGHT TURN SIGNAL INPUT RIGHT TURN SIGNAL LAMPS SUPPLY VOLT SEDAN, COUPE STOP FUSE TURN SIGNAL/ MULTI-FUNCTION SWITCH TURN SWITCH TURN/HAZ SWITCH SUPPLY VOLT UNDERHOOD FUSE BLOCK (AT LEFT REAR SIDE OF ENGINE COMPT) UPPER STOP LAMP SWITCH (BELOW LEFT SIDE YEL 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

BLK WIRE BODY CONTROL MODULE (BCM) (AT LOWER CENTER OF DASH) BRN WIRE DK BLU WIRE DK GRN WIRE DOWN DRIVER SWITCH DRIVER WINDOW MOTOR (IN DRIVER DOOR DRIVER WINDOW SWITCH EXPRESS LOGIC FRONT PASSENGER SWITCH FRONT PASSENGER WINDOW MOTOR (IN RIGHT FRONT DOOR) FRONT PASSENGER WINDOW SWITCH HOT IN ACC OR RUN LEFT REAR SWITCH LEFT REAR WINDOW MOTOR (IN LEFT REAR DOOR) LEFT REAR WINDOW SWITCH LOCKOUT SWITCH LT BLU WIRE LT GRN WIRE PPL PWR WINDOWS FUSE RIGHT REAR SWITCH RIGHT REAR WINDOW MOTOR (IN RIGHT REAR DOOR) RIGHT REAR WINDOW SWITCH TAN WIRE UP DN

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

A/T SHIFT LOCK CONTROL SOLENOID (UNDER CENTER CONSOLE, ON LEFT SIDE OF SHIFTER) BCM CLAS 2 SERIAL DATA BCM ELECT FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (AT LOWER CENTER OF DASH) BRN WIRE CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM GROUND GRY WIRE HOT AT ALL TIMES LOGIC BATTERY LT BLU WIRE PARK BRAKE SWITCH PARK/NEUTRAL POSITION (PNP) SWITCH (ON TOP OF TRANSAXLE) PPL SHIFT LOCK SOLENOID SW SIG A SW SIG B SW SIG C SW SIG D SWITCH SIGNAL TAN WIRE TO EMERGENCY BRAKE) VIO WIRE WHT WIRE YEL 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