Saturn 2004 Ion Owner's Manual page 330

Engine Compartment Fuse Block
(2.0L Supercharged Engine)
Some fuses are in a fuse block in the engine
compartment on the driver's side of the vehicle.
See Engine Compartment Overview on page 5-12 for
more information on location.
5-100
Fuses
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
Canister Purge Solenoid, Mass Air
10 EMISS 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
Usage