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

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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)

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Assignment of the fuses and relays in the passenger compartment
NameDescription
Driver’s side
DIMMERDimmer Switch
IGN 3Left/Right Heated Seat Switch (If Equipped), Air Conditioning, Rear Defogger Relay
DEFOG LEDRear Defog LED
RR COMPTrunk Compartment Lamp
WIPERWindshield Washers and Wipers (Front)
BTSI/BCM/ MIRRORBrake Transaxle Shift Interlock, Body Control Module, Power Mirror
RADIOAudio, OnStar, Rear Seat DVD (Option)
IGN 3Ignition Switch Relay
REAR DEFOGRear Defogger Relay
HEADLAMPHeadlamps Relay
PARKLAMPPark Lamps Relay
Passenger’s side
LOCKSPower Door Locks
HTD SEATHeated Seats (If Equipped)
BODYPower Door Locks, Heated Mirror Relay, Liftgate Latch
POWER SEATPower Seat
PREM AMPPremium Sound System Amplifier
FOG LAMPFog Lamps
RR WIPER/ SUNROOFRear Wiper/Washer (Wagon), Sunroof
DR UNLOCKDriver Door Unlock Relay
UNLOCKDoor Unlock Relay
LOCKDoor Lock Relay
MIRRORPower Mirrors Relay
FOG LAMPFog Lamps Relay
WINDOWPower 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)

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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
NameDescription
IGN 0/3/CR (L4)Ignition Switch
RADIO / ON-STARAudio System, OnStar, Rear Seat DVD (Option)
BCM CLUSTERBody 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 PUMPFuel Pump System
RT HEADLAMP (or R HDLP)Right Headlamps
BRAKEBrake Lamps
IGN 1Instrument Cluster, Coolant Level Switch, Air Bag, Electronic PRND321
HAZARDHazard Flasher, HBTT (Headlamp HI Beam Indicator), I/P Cluster
ABS 2Anit-Lock Brake System
CONTROLS IGN 1Cooling Fan Control Module, Powertrain Control Module, Transaxle (2.2L L4, If Equipped), Transaxle Control Module (3.0L V6)
BACK-UP/TURNBackup Lamps, Coolant Level Switch
CRUISE SWCruise Control Switch
BCM/ECM/ CRUISEBody Control Module, Engine Control Module, Cruise Control, ABS
ABS 1Anit-Lock Brake System
ENGINE CNTL 3 (V6)3.0L V6 Engine
REAR DEFOGRear Window Defogger
HVAC BLOWERHigh Blower
IGN 0Park Neutral Position Switch, Powertrain Control Module
ACAir Conditioning System
CD/DLCAudio, Data Link Connector (DLC), Rear Seat DVD (Option)
IGN 1/2Ignition switch
HORNHorn
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 RTPassenger’s Side Instrument Panel Fuse Block
AUX PWR (or AUX POWER)Power Outlet
COOL FAN 2Cooling fan module
ENGINE CNTL (V6)3.0L V6 (L81) Engine
ENGINE CNTL (V6)
IGN 3 (L4)
3.0L V6 Engine Cruise Clutch Switch, Emissions Controls, Air Conditioner Relay, Heated Oxygen Sensor
BCM 2Body Control Module
PARK LAMPFront 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 1Cooling Fan Module
LT HEADLAMP (or L HDLP)Left Headlamps
LIGHTERCigarette Lighter
A/C DIODEAir 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)
Relays
FUEL PUMPFuel Pump System
WIPERWiper System
ACAir Conditioning System
HORNHorn
REAR WIPERRear Wiper System (Wagon Only)
MAIN (V6)3.0L V6 Engine
DRLDaytime Running Lamp