Saturn L-series (2003-2005) fuses and relays


In this article, you will find fuse box diagrams of Saturn L100, L200, L300, LW200, LW300 2003, 2004 and 2005, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.

Fuse Layout Saturn L100, L200, L300, LW200, LW300 2003-2005


Cigar lighter (power outlet) fuses in the Saturn L-series are located in the engine compartment fuse box (see fuses “LIGHTER” and “AUX PWR”).

Passenger Compartment Fuse Boxes

Fuse box location

There are two fuse boxes located under the instrument panel on the right and left side of the vehicle. Use a key or a coin to remove the fuse panel door.The location of the fuses in the passenger compartment: Saturn L-series (2003-2005)

Fuse box diagram

Interior fuse box diagram: Saturn L100, L200, L300, LW200, LW300 (2003, 2004, 2005)

Assignment of the fuses and relays in the passenger compartment

Name Description
Driver’s side
DIMMER Dimmer Switch
IGN 3 Left/Right Heated Seat Switch (If Equipped), Air Conditioning, Rear Defogger Relay
RR COMP Trunk Compartment Lamp
WIPER Windshield Washers and Wipers (Front)
BTSI/BCM/ MIRROR Brake Transaxle Shift Interlock, Body Control Module, Power Mirror
RADIO Audio, OnStar, Rear Seat DVD (Option)
IGN 3 Ignition Switch Relay
REAR DEFOG Rear Defogger Relay
HEADLAMP Headlamps Relay
PARKLAMP Park Lamps Relay
Passenger’s side
LOCKS Power Door Locks
HTD SEAT Heated Seats (If Equipped)
BODY Power Door Locks, Heated Mirror Relay, Liftgate Latch
PREM AMP Premium Sound System Amplifier
FOG LAMP Fog Lamps
RR WIPER/ SUNROOF Rear Wiper/Washer (Wagon), Sunroof
DR UNLOCK Driver Door Unlock Relay
UNLOCK Door Unlock Relay
LOCK Door Lock Relay
MIRROR Power Mirrors Relay
FOG LAMP Fog Lamps Relay
WINDOW Power Windows, Power Sunroof Relay

Engine Compartment Fuse Box

Fuse box location

The location of the fuses in the engine compartment: Saturn L-series (2003-2005)

Fuse box diagram

Under-hood fuse box diagram: Saturn L100, L200, L300, LW200, LW300 (2003, 2004, 2005)

Assignment of the fuses in the engine compartment

Name Description
IGN 0/3/CR (L4) Ignition Switch
RADIO / ON-STAR Audio System, OnStar, Rear Seat DVD (Option)
BCM CLUSTER Body Control Module, Instrument Cluster, Dimmer Switch
INJECTOR (or INJ) (L4) Fuel Injectors (2.2L L4, If Equipped)
IGN (V6)
EIS (L4)
3.0L V6: Ignition Coils;
2.2L L4: Electronic Ignition System
FUEL PUMP Fuel Pump System
RT HEADLAMP (or R HDLP) Right Headlamps
BRAKE Brake Lamps
IGN 1 Instrument Cluster, Coolant Level Switch, Air Bag, Electronic PRND321
HAZARD Hazard Flasher, HBTT (Headlamp HI Beam Indicator), I/P Cluster
ABS 2 Anit-Lock Brake System
CONTROLS IGN 1 Cooling Fan Control Module, Powertrain Control Module, Transaxle (2.2L L4, If Equipped), Transaxle Control Module (3.0L V6)
BACK-UP/TURN Backup Lamps, Coolant Level Switch
CRUISE SW Cruise Control Switch
BCM/ECM/ CRUISE Body Control Module, Engine Control Module, Cruise Control, ABS
ABS 1 Anit-Lock Brake System
ENGINE CNTL 3 (V6) 3.0L V6 Engine
REAR DEFOG Rear Window Defogger
IGN 0 Park Neutral Position Switch, Powertrain Control Module
AC Air Conditioning System
CD/DLC Audio, Data Link Connector (DLC), Rear Seat DVD (Option)
IGN 1/2 Ignition switch
CONTROLS B+ Powertrain Control Module (2.2L L4, If Equipped), Engine Control Module (3.0L V6), Transaxle Control Module (3.0L V6)
I/P BATT RT Passenger’s Side Instrument Panel Fuse Block
AUX PWR (or AUX POWER) Power Outlet
COOL FAN 2 Cooling fan module
ENGINE CNTL (V6) 3.0L V6 (L81) Engine
IGN 3 (L4)
3.0L V6 Engine Cruise Clutch Switch, Emissions Controls, Air Conditioner Relay, Heated Oxygen Sensor
BCM 2 Body Control Module
PARK LAMP Front Park Lamps, Taillamps, Front Marker Lamps, Rear Marker Lamps, License Lamps, Radio Display Lights, I/P Cluster Backlighting, I/P Dimmer, Cigar Lighter Ring, Ashtray Light, PRND321 Light, Climate Control Switch Backlighting
COOL FAN 1 Cooling Fan Module
LT HEADLAMP (or L HDLP) Left Headlamps
LIGHTER Cigarette Lighter
A/C DIODE Air Conditioner Diode
Circuit Breakers
WDO/SUNRF (V6) Power Window Relay, Sunroof (3.0L V6)
WDO/SUNRF/AIR (L4) Power Window Relay, Sunroof and Air Pump Relay (2.2L L4, If Equipped)
FUEL PUMP Fuel Pump System
WIPER Wiper System
AC Air Conditioning System
REAR WIPER Rear Wiper System (Wagon Only)
MAIN (V6) 3.0L V6 Engine
DRL Daytime Running Lamp

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