Saturn ION I (2003-2007) run/ crank relay 28 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

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

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 REFRIGERANT PRESSURE SENSOR (LOWER LEFT SIDE OF ENGINE, BELOW GENERATOR) ACC VOLT ACCY AIR CONDITIONING SYSTEM BATTERY BLK WIRE BODY CONTROL MODULE (BCM) BRN WIRE BRN/WHT WIRE CLASS 2 CLASS 2 DATA CLU RLY CTRL LOW REF LOW REF CLUTCH PEDAL POSITION (CPP) SWITCH (BELOW LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CPP SW SIG PNP CLU ST SW CRUISE CONTROL SYSTEM CRUISE SIG DATA DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM FUSE 1 ECM FUSE 13 EVAP SOL CTRL EVAPORATIVE EMISSION CANISTER VENT SOLENOID F PMP RLY CTRL MAIN RLY CTRL FAN RLY CTRL FUEL PRES SIG FUEL TANK PRESSURE (FTP) SENSOR (INSIDE FUEL TANK) GRY WIRE GRY/RED WIRE HI RLY CTRL HOT AT ALL TIMES HOT IN RUN OR START IGN SW FUSE 1 IGNITION SWITCH INSTRUMENT CLUSTER LOAD CTRL LOCK OFF LOGIC LOW REF LT BLU WIRE MALFUNC- TION INDICATOR LAMP MIL CTRL APP SENS 2 SIG ORG/ WIRE PNK 6 7 WIRE PNK RLY CTRL WIRE PNK WIRE PNK/BLK WIRE PNK/ORG WIRE PPL PPL 14 15 PPL PPL PPL PPL SERIAL DATA SERIAL DATA PPL SENS SIG PRI PPL TCC BRK SW RED/BLK WIRE RED/PNK WIRE REFRIG PRES SIG APP SENS 1 SIG RLY COIL CTRL RUN WIRE RUN/ CRANK RELAY 28 RUN/CRANK FUSE 38 STARTING/CHARGING SYSTEM STOP LP SIG TAN WIRE UNDERHOOD FUSE BLOCK (LEFT REAR SIDE OF ENGINE COMPT) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 PPL 15 16 PNK WIRE 1589 1162 890 1161 PPL SENSOR SIG APP SENSOR 2 PRESSURE SEN APP SENSOR 1 1884 1807 1807 5069 CRUISE CTRL CLASS 2 DATA CLASS 2 DATA RELAY CTRL PPL PPL 379 420 1164 20 4 705 CPP SW SIG STOP LAMP SW PPL 419 447 STARTING/ CHARGING SYSTEM 9 10 PNK WIRE ACCELERATOR PEDAL POSITION (APP) SENSOR (BELOW LEFT SIDE OF DASH) AIR CONDITIONING SYSTEM BATTERY VOL BLK WIRE BRN WIRE BRN/WHT WIRE CLASS 2 DATA CLUTCH PEDAL POSITION (CPP) SWITCH (BELOW LEFT SIDE OF DASH) CLUTCH/ BRAKE FUSE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM INLINE FUSE EMISS FUSE 10 ENGINE CONTROL MODULE (ECM) (AT LEFT SIDE OF ENGINE COMPARTMENT) EVAP VENT SOL A/C CLUTCH RELAY FUEL PMP RLY GRY WIRE HOT AT ALL TIMES HOT IN ACC OR RUN HOT IN RUN OR START ID-IGN FUSE 11 IGN 1 VOL INJECTORS ECM/ FUSE 16 ETC FUSE 9 INSTRUMENT PANEL CLUSTER (IPC) IP BATT 2 FUSE 41 LOGIC LOW REF LOW REF LT BLU WIRE MALFUNC- TION INDICATOR LAMP MIL CONTROL RELAY COIL CTRL ORG/ WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN RELAY 29 PPL PPL LOW REF RED WIRE RUN/ CRANK RELAY 28 RUN/CRANK FUSE 38 SIDE OF ENGINE COMPARTMENT) START SW SIG STARTING/ CHARGING SYSTEM STOP LAMP SW ACC VOLTAGE TAN WIRE TRANS 2 FUSE 13 UNDERHOOD FUSE BLOCK (AT LEFT REAR WHT WIRE WHT/BLK WIRE YEL WIRE