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Saturn ION (2005) - fuse box diagram

avatar Jonathan Yarden Mar 25, 2021 · 5 min. read

In this article you will find a description of fuses and relays Saturn, with photos of block diagrams and their locations. Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.

Year of production: 2005

Floor Console Fuse Block

Some fuses are in a fuse block on the driver’s side of the floor console.

Saturn ION - fuse box - floor console

Fuses Usage
FUEL PUMP Fuel Pump Relay
BCM ELECT Ignition Switch, Body Control Module (BCM)
BCM (PWR) Entry Control, Trunk Release
DASH Instrument Panel, Dimming Switch
LIGHTER Cigar Lighter
PARK Headlamp Switch
CLUSTER Instrument Panel Cluster
PWR WINDOWS Power Window Switches
STOP Stoplamp (Brake) Switch
HVAC Climate Control
CRUISE Climate Control CRUISE Cruise Control Module, Clutch Start Switch
AIR BAG Airbags, Sensing and Diagnostic Module (SDM)
WIPER SW Windshield Wipers and Washers, Transaxle Shift Lock Control Switch
RADIO (BATT1) Radio Receiver, Entertainment Memory
ONSTAR Entertainment, Mobile Communications, OnStar®
RADIO (ACC) Radio Receiver, Entertainment
IGN SW Ignition Switch
EPS Cruise Control Switches, EPS Unit
PWR OUTLET Auxiliary Power Outlet
SUN ROOF Power Sunroof, OnStar Mirror
ALC/PARK RELAY OnStar®, Radio, Instrument Panel Cluster, Body Control Module (Entry Control), Cigar Lighter, Headlamp Switch, License Lamp
FUEL PUMP RELAY Fuel Pump
ACC RELAY Power Windows, Sunroof, Radio, Wiper/Washer Switch, Accessory Power Outlet
RUN RELAY Climate Control (HVAC Blower, Control Heads)

Engine Compartment Fuse Block

The engine compartment fuse block is located in the engine compartment on the driver’s side of the vehicle.

2.2L L4 Engine

Saturn ION - fuse box - engine compartment 2.2 L4

Fuses Usage
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/Ignition
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 Usage
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 Usage
35 Air Conditioning Diode
36 Not Used
37 Wiper Diode

 

Miscellaneous Usage
49 Fuse Puller

2.0L L4 Supercharged Engine

Saturn ION - fuse box - engine compartment (engine 2.0 L4)

Fuses 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/Ignition
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 Usage
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 Usage
35 Air Conditioning Diode
36 Not Used
37 Wiper Diode

 

Miscellaneous Usage
49 Fuse Puller

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

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