This article includes fuse box diagrams for the Saturn Ion from 2003 to 2007. It provides details on the fuse panel locations inside the car and explains the purpose of each fuse and relay.
Cigar lighter (power outlet) fuses in the Saturn Ion are located in the Passenger Compartment fuse box – see fuses “LIGHTER” (Cigar Lighter) and “PWR OUTLET” (Auxiliary Power Outlet). [2003-2007] Engine Compartment (2.2L L4 Engine) Number Name Usage 1 ECM/TCM Engine Control Module, Transmission Control Module 4 HDLP-RH Passenger’s Side Headlamp 5 A/C Air Conditioning Clutch Rela 8 ABS2 Anti-lock Brake System, Traction Control Module 9 ECM Engine Control Module 10 ERLS Canister Purge Solenoid, Canister Vent Solenoid, Low Coolant Switch, Oxygen Sensors 11 IGN Electric Ignition Control Module, Charging System, Neutral Stop Back-Up Switch 13 TRANS2 Transaxle (VTi Variable) 14 TRANS1 Transmission Control Module, Neutral Stop Back-Up 15 BACK-UP PRNDL, Back-up Switch 16 INJECTORS Fuel Injectors (Cylinder 1, 2, 3, 4) 17 FOG Fog Lamp Micro Relay 18 HDLP-LH Driver’s Side Headlamp 19 WIPER Wiper Mini Relay 20 HORN Horn Micro Relay 21 PREM AUDIO Entertainment, Premium Radio Amplifier 22 ABS Anti-lock Brake System, Traction Control Module 23 RR DEFOG Rear Defog Mini Relay 38 RUN/CRANK Ignition 1 Mini Relay 39 IP BATT1 Body Control Module 40 ABS Anti-Lock Brake System, Traction Control Module 41 IP BATT2 Body Control Module 42 EPS2 Electric Power Steering 43 EPS1 Electric Power Steering 45 COOLING FAN Cooling Fan Mini Relay 46 CRANK Powertrain Control Module Mini Relay 47 IP BATT 1A Body Control Module 48 RUN (IGN 3) Body Control Module Relays 24 A/C Air Conditioning Clutch 25 HORN Horn 26 FOG LAMP Fog Lamps 28 RUN/CRANK Body Control Module 30 COOLING FAN Engine Cooling Fan 31 PCM CONT ECM 32 WIPER1 Wiper System 33 WIPER2 Wiper System 34 REAR DEFOG Rear Window Defogger Diodes 35 A/C Air Conditioning Diode 37 WIPER Wiper Diode
(2.0L L4 Engine) Number Name Usage 1 ECM Engine Control Module 4 RH HDLP Passenger’s Side Headlamp 5 A/C Air Conditioning Clutch Relay 8 ABS Anti-lock Brake System 9 ECM/ETC Engine Control Module 10 EMISS Canister Purge Solenoid, Mass Air Flow Sensor, Low Coolant Switch, Oxygen Sensors 11 IGN Ignition Coils (1,2,3,4) 13 ECM Engine Control Module 14 BOOST Engine Boost Solenoid 15 BACK-UP Back-up Switch 16 INJECTORS Fuel Injectors (Cylinder 1, 2, 3, 4) 18 LH HDLP Driver’s Side Headlamp 19 WIPER Wiper Mini Relay 20 HORN Horn Micro Relay 21 RADIO Radio 22 ABS Anti-lock Brake System 23 RR DEFOG Rear Defog Mini Relay 38 RUN/CRANK Ignition 1 Mini Relay 39 IP BATT1 Body Control Module 40 ABS Anti-lock Brake System 41 IP BATT2 Body Control Module 43 EPS Electric Power Steering 44 COOLING FAN 2 Cooling Fan Mini Relay 45 COOLING FAN 1 Cooling Fan Mini Relay 46 CRANK Crank 47 IP BATT 1A Body Control Module 48 RUN (IGN 3) Body Control Module Relays 24 A/C CLUTCH Air Conditioning Clutch 25 HORN Horn 27 AFTER COOLER PUMP After Cooler Pump 28 RUN/CRANK Body Control Module 29 POWERTRAIN Powertrain 30 COOLING FAN 1 Engine Cooling Fan 31 ECM CONT Starter Solenoid 32 WIPER1 Wiper System 33 WIPER2 Wiper System 34 REAR DEFOG Rear Window Defogger Diodes 35 A/C Air Conditioning Diode 37 WIPER Wiper Diode
[2005-2007] Engine Compartment (2.2L L4 Engine) 1 Engine Control Module, Transaxle Control Module 2 Not Used 3 Not Used 4 Passenger’s Side Headlamp 5 Air Conditioning 6 Not Used 7 Not Used 8 Anti-lock Brake System, Traction Control Module 9 Engine Control Module, Electronic Throttle Control 10 Canister Purge Solenoid, Mass Airflow Sensor, Low Coolant Switch, Oxygen Sensors, Air Pump Relay Coil 11 Electric Ignition Control Module, Charging System, Neutral Stop Back-Up Switch 12 Not Used 13 Transaxle, Engine Control Module (ECM) 14 Transaxle Control Module, Neutral Stop Back-Up 15 PRNDL, Back-up Switch 16 Fuel Injectors (Cylinder 1, 2, 3, 4) 17 Fog Lamps 18 Driver’s Side Headlamp 19 Windshield Wiper 20 Horn 21 Entertainment, Premium Radio Amplifier 22 Anti-lock Brake System, Traction Control Module 23 Rear Defogger 38 Starter/lgnition 39 Body Control Module 1 40 Anti-lock Brake System, Traction Control Module 41 Body Control Module 2 42 Not Used 43 Electric Power Steering 44 Air Pump Relay Fuse 45 Cooling Fan 46 Crank 47 Body Control Module 1A 48 Body Control Module (IGN 3) Relays 24 Air Conditioning Clutch 25 Horn 26 Fog Lamps 27 Air Solenoid 28 Run, Crank (IGN1) 29 Powertrain 30 Engine Cooling Fan 31 Engine Control Module 32 Wiper System 1 33 Wiper System 2 34 Rear Window Defogger Diodes 35 Air Conditioning Diode 36 Not Used 37 Wiper Diode 49 Fuse Puller
(2.0L L4 Engine) Number Usage 1 Engine Control Module 2 Not Used 3 Not Used 4 Passenger’s Side Headlamp 5 Air Conditioning 6 Not Used 7 Not Used 8 Anti-lock Brake System 9 Engine Control Module, Electronic Throttle Control 10 Canister Purge Solenoid, Mass Airflow Sensor, Low Coolant Switch, Oxygen Sensors 11 Electric Ignition Control Module, Charging System, Neutral Stop Back-Up Switch 12 Not Used 13 Engine Control Module 14 Boost 15 Back-up Switch 16 Fuel Injectors 17 Fog Lamps 18 Driver’s Side Headlamp 19 Windshield Wiper 20 Horn 21 Entertainment, Premium Radio Amplifier 22 Anti-lock Brake System 23 Rear Defogger 38 Starter/lgnition 39 Body Control Module 1 40 Anti-lock Brake System 41 Body Control Module 2 42 Not Used 43 Electric Power Steering 44 Cooling Fan 2 45 Cooling Fan 1 46 Crank 47 Body Control Module 1A 48 Body Control Module (IGN 3) Relays 24 Air Conditioning Clutch 25 Horn 26 Fog Lamps 27 Intercooler Pump 28 Run, Crank (IGN1) 29 Powertrain 30 Engine Cooling Fan 1 31 Engine Control Module 32 Wiper System 1 33 Wiper System 2 34 Rear Window Defogger Diodes 35 Air Conditioning Diode 36 Not Used 37 Wiper Diode 49 Fuse Puller
[2003-2007] Passenger Compartment Name Usage AIR BAG Air bags, Sensing and Diagnostic Module (SDM) ACCOMMODATION INTERFACE/ ONSTAR Entertainment, Mobile Communications, OnStar CRUISE Cruise Control Module, Clutch Start Switch EPS/CRUISE Cruise Control Switches, EPS Unit FUEL PUMP Fuel Pump Relay HVAC Climate Control CLUSTER Instrument Panel Cluste LIGHTER Cigar Lighter RADIO (BATT1) Radio Receiver, Entertainment Memory RADIO (ACC) Radio Receiver, Entertainment SUNROOF Power Sunroof, OnStar Mirror WIPER SW Windshield Wipers and Washers, Transaxle Shift Lock Control Switch DASH Instrument Panel, Dimming Switch IGN SW Ignition Switch PARK Headlamp Switch PWR OUTLET Auxiliary Power Outlet PWR WINDOWS Power Window Switches STOP Stoplamp (Brake) Switch BCM ELECT Ignition Switch, Body Control Module (BCM) BMC (PWR) Entry Control, Trunk Release Relay RUN Climate Control (HVAC Blower, Control Heads) ACC Power Windows, Sunroof, Radio, WiperAWasher Switch, Accessory Power Outlet FUEL PUMP Fuel Pump ALC/PARK OnStar, Radio, Instrument Panel Cluster, Body Control Module (Entry Control), Cigar Lighter, Headlamp Switch, License Lamp
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Tom Smith is a passionate car mechanic and automotive enthusiast, specializing in the intricate world of car fuse boxes. With years of hands-on experience under the hood, he has earned a reputation as a reliable expert in his field. As the founder and content creator of the popular blog website 'carsfuse.com,' Tom has dedicated himself to sharing his extensive knowledge of car fuse boxes and electrical systems with the world.
