All Wiring Diagrams for Saturn L300 2004

AIR CONDITIONING

2.2L VIN F

2.2L VIN F, Automatic A/C Wiring Diagram (1 of 2) for Saturn L300 2004

List of elements for 2.2L VIN F, Automatic A/C Wiring Diagram (1 of 2) for Saturn L300 2004:

• (at right rear corner of engine compt) powertrain control module (pcm)
• (in hvac harness) s205
• +5v
• 5v ref
• A/c
• A/c compressor diode
• A/c fuse 10a
• A/c press
• A/c refrigerant pressure sensor (in a/c high side pressure line)
• A/c relay
• Air tmp ctrl
• Amb air temp
• Amb temp dr
• Ambient air temperature sensor
• Ambient light sensor (at top center of dash)
• B10
• Battery
• Bcm fuse 10a
• Blower motor (on hvac assembly)
• Blower motor speed control module (on front of hvac assembly)
• Blw mtr spd
• Blwr mtr spd
• Body control module (bcm) (mounted to top of glove box)
• C2 c3
• Compressor clutch (at lower left front of engine)
• Computer data lines system
• Coolant fan 1 fuse 30a
• Coolant fan 2 fuse 30a
• Engine coolant temperature (ect) sensor (on thermostat housing)
• G118 (on front of engine block, above starter)
• G305 (under center console)
• Gnd
• Hot at all times
• Hot in run
• Hvac control module (at lower center of dash)
• Ign 3 fuse 10a
• Ign 3 volt
• Low ref
• Low ref
• M11
• Mode actuator (on hvac assembly)
• Mode dr mtr
• Mode dr pos
• N11
• Rec dr cntrl
• Recirculation door actuator (on hvac assembly)
• Red
• Return
• Serial data
• Sig
• Spd req sig
• Sunld sen sig
• Temperature actuator
• Underhood fuse block (left side of engine compt)

2.2L VIN F, Automatic A/C Wiring Diagram (2 of 2) for Saturn L300 2004

List of elements for 2.2L VIN F, Automatic A/C Wiring Diagram (2 of 2) for Saturn L300 2004:

• A12
• Battery
• C11
• C12
• Cool fan low ref
• Cool fan mtr med spd
• Cool fan mtr voltage
• Cooling fan 1 (at front of radiator)
• Cooling fan 2 (at rear of radiator)
• Cooling fan control module (near battery)
• F12
• Fan 1 cntrl
• Fan 2 cntrl
• G105 (at left front corner of engine compt, forward of battery)
• G300 (under center console)
• G304 (at left side of engine compt, near strut tower)
• Ground
• Hi spd cool fan sig
• Hot at all times
• Hot in run
• Ign 3 relay
• Left i/p fuse block (behind left kick panel)
• Low spd cool fan sig
• Powertrain control module (pcm) (at right rear corner of engine compt)
• Red
• Sp103 (at left front corner of engine compt, near battery)
• Sp300
• Underhood fuse block (left side of engine compt)

2.2L VIN F, Compressor Wiring Diagram, with Auto A/C for Saturn L300 2004

List of elements for 2.2L VIN F, Compressor Wiring Diagram, with Auto A/C for Saturn L300 2004:

• +5v
• A/c
• A/c compressor diode
• A/c fuse 10a
• A/c press
• A/c refrigerant pressure sensor (in a/c high side pressure line)
• A/c relay
• B10
• Body control module (bcm) (mounted to top of glove box)
• Compressor clutch (at lower left front of engine)
• Computer data lines system
• G118 (on front of engine block, above starter)
• Hot at all times
• Hot in run
• Ign 3 fuse 10a
• M11
• N11
• Powertrain control module (pcm) (at right rear corner of engine compt)
• Return
• Serial data
• Underhood fuse block (left side of engine compt)

2.2L VIN F, Compressor Wiring Diagram, without Auto A/C for Saturn L300 2004

List of elements for 2.2L VIN F, Compressor Wiring Diagram, without Auto A/C for Saturn L300 2004:

• +5v
• A/c
• A/c diode
• A/c fuse 10a
• A/c on led
• A/c on/off
• A/c press
• A/c refrigerant pressure sensor (in a/c high side pressure line)
• A/c relay
• A/c request
• A/c switch
• B10
• Body control module (bcm) (mounted to top of glove box)
• C11
• C12
• Compressor clutch (at lower left front of engine)
• Computer data lines system
• G118 (on front of engine block, above starter)
• G300 (under center console)
• H12
• Hot at all times
• Hot in run
• Hvac control module (at lower center of dash)
• Hvac fan switch
• Ign 3 fuse 10a
• Ign 3 relay (energized in run)
• K11
• Left i/p fuse block (behind left kick panel)
• M11
• N11
• Off
• Powertrain control module (pcm) (at right rear corner of engine compt)
• Return
• Serial data
• Sp300
• Underhood fuse block (left side of engine compt)

2.2L VIN F, Manual A/C Wiring Diagram (1 of 2) for Saturn L300 2004

List of elements for 2.2L VIN F, Manual A/C Wiring Diagram (1 of 2) for Saturn L300 2004:

• (at right rear corner of engine compt) powertrain control module (pcm)
• (in a/c high side pressure line) a/c refrigerant pressure sensor
• +5v
• A/c compressor clutch (at lower left front of engine)
• A/c diode
• A/c fuse 10a
• A/c led
• A/c on/off input
• A/c press sens
• A/c relay
• A/c relay control
• A/c request input
• A/c request output
• A/c switch
• A1 c2
• B10
• Blower motor (on hvac assembly)
• Blower motor resistor assembly
• Blower switch
• Body control module (bcm) (mounted to top of glove box)
• C11 c1
• C12
• Computer data lines system
• Def
• Def mode input
• Dim illumination
• Engine coolant temperature (ect) sensor (on thermostat housing)
• F1 c1
• Fan 1 ctrl
• Fan 2 ctrl
• Fresh output
• G118 (on front of engine block, above starter)
• G300 (under center console)
• G304 (at left side of engine compt, near strut tower)
• G305 (under center console)
• Gnd
• H11
• H12
• Hot at all times
• Hot in run
• Hvac control module (at lower center of dash)
• Ign
• Ign 3 fuse 10a
• Ign 3 relay
• Interior lights system
• K11
• K12
• Left i/p fuse block (behind left kick panel)
• Low ref
• M11
• Mode actuator (on hvac assembly)
• Mode input
• N11
• Off
• Pnk
• Recirc indicator
• Recirc on input
• Recirc output
• Recirculation door actuator (on hvac assembly)
• Return
• S206 (in hvac harness)
• Serial data
• Sig
• Sp300
• Underhood fuse block (left side of engine compt)
• Vent

2.2L VIN F, Manual A/C Wiring Diagram (2 of 2) for Saturn L300 2004

List of elements for 2.2L VIN F, Manual A/C Wiring Diagram (2 of 2) for Saturn L300 2004:

• A12
• Battery
• Cool fan low ref
• Cool fan mtr med spd
• Cool fan mtr voltage
• Coolant fan 1 fuse 30a
• Coolant fan 2 fuse 30a
• Cooling fan 1 (at front of radiator)
• Cooling fan 2 (at rear of radiator)
• Cooling fan control module (near battery)
• F12
• G105 (at left front corner of engine compt, forward of battery)
• Ground
• Hi spd cool fan sig
• Hot at all times
• Low spd cool fan sig
• Red
• Sp103 (at left front corner of engine compt, near battery)
• Underhood fuse block (left side of engine compt)

3.0L VIN R

3.0L VIN R, Automatic A/C Wiring Diagram (1 of 2) for Saturn L300 2004

List of elements for 3.0L VIN R, Automatic A/C Wiring Diagram (1 of 2) for Saturn L300 2004:

• (in hvac harness) s205
• 5 volt
• 5v ref
• A/c
• A/c compressor diode
• A/c fuse 10a
• A/c press
• A/c refrigerant pressure sensor
• A/c relay
• A10
• Air tmp ctrl
• Amb air temp
• Amb temp dr
• Ambient air temperature sensor
• Ambient light sensor (at top center of dash)
• Battery
• Bcm fuse 10a
• Blower motor (on hvac assembly)
• Blower motor speed control module (on front of hvac assembly)
• Blw mtr spd
• Blwr mtr spd
• Compressor clutch (at lower left front of engine)
• Coolant fan 1 fuse 30a
• Coolant fan 2 fuse 30a
• D10
• Ect sens
• Eng cntl 1 fuse 10a
• Engine control module (ecm) (on top right rear of engine)
• Engine controls system
• Engine coolant temperature (ect) sensor (in lower coolant passage of left cylinder head)
• G118 (at left front corner of engine compt, near battery)
• G305 (under center console)
• Gnd
• Hot at all times
• Hot in run or start
• Hvac control module (at lower center of dash)
• Ign 3 volt
• Low ref
• M11
• Mode actuator (on hvac assembly)
• Mode dr mtr
• Mode dr pos
• N11
• Rec dr cntrl
• Recirculation actuator (on hvac assembly)
• Red
• Sp105 (at rear of engine compt, taped to engine harness)
• Spd req sig
• Sunld sen sig
• Temperature actuator
• Underhood fuse block (left side of engine compt)

3.0L VIN R, Automatic A/C Wiring Diagram (2 of 2) for Saturn L300 2004

List of elements for 3.0L VIN R, Automatic A/C Wiring Diagram (2 of 2) for Saturn L300 2004:

• A12
• Battery
• C11
• C12
• Cool fan low ref
• Cool fan mtr med spd
• Cool fan mtr voltage
• Cooling fan 1 (at front of radiator)
• Cooling fan 2 (at rear of radiator)
• Cooling fan control module (near battery)
• Engine control module (ecm) (on top right rear of engine)
• F12
• Fan 1 cntrl
• Fan 2 cntrl
• G105 (at left front corner of engine compt, forward of battery)
• G300 (under center console)
• G304 (at left side of engine compt, near strut tower)
• Ground
• Hi spd cool fan sig
• Hot at all times
• Hot in run
• Ign 1 voltage
• Ign 3 relay
• Left i/p fuse block (behind left kick panel)
• Low spd cool fan sig
• Red
• Sp103 (at left front corner of engine compt, near battery)
• Sp300
• Underhood fuse block (left side of engine compt)

3.0L VIN R, Compressor Wiring Diagram, with Auto A/C for Saturn L300 2004

List of elements for 3.0L VIN R, Compressor Wiring Diagram, with Auto A/C for Saturn L300 2004:

• +5v
• A/c compressor clutch (at lower left front of engine)
• A/c compressor diode
• A/c fuse 10a
• A/c press
• A/c refrigerant pressure sensor
• A/c relay
• A10
• A12
• B11
• Body control module (bcm) (mounted to top of glove box)
• Can high
• Can low
• D10
• Eng cntl 1 fuse 10a
• Engine control module (ecm) (on top right rear of engine)
• Engine controls system
• G118 (on front of engine block, above starter)
• Hot at all times
• Hot in run or start
• Return
• Tan
• Underhood fuse block (left side of engine compt)

3.0L VIN R, Compressor Wiring Diagram, without Auto A/C for Saturn L300 2004

List of elements for 3.0L VIN R, Compressor Wiring Diagram, without Auto A/C for Saturn L300 2004:

• (left side of engine compt) underhood fuse block
• +5v
• A/c
• A/c comp- ressor diode
• A/c fuse 10a
• A/c on led
• A/c on/off
• A/c press
• A/c refrigerant pressure sensor
• A/c relay
• A/c request
• A/c switch
• A10
• Body control module (bcm) (mounted to top of glove box)
• C11
• C12
• Can high
• Can low
• Compressor clutch (at lower left front of engine)
• Computer data lines system
• D10
• Eng cntl 1 fuse 10a
• Engine control module (ecm) (on top right rear of engine)
• Engine controls system
• G110 (at front left side of transmission)
• G300 (under center console)
• H12
• Hot at all times
• Hot in run or start
• Hvac control module (at lower center of dash)
• Hvac fan switch
• Ign 3 relay (energized in run)
• K11
• Left i/p fuse block (behind left kick panel)
• M11
• N11
• Off
• Return
• Sp300
• Tan

3.0L VIN R, Manual A/C Wiring Diagram (1 of 2) for Saturn L300 2004

List of elements for 3.0L VIN R, Manual A/C Wiring Diagram (1 of 2) for Saturn L300 2004:

• (at rear of engine
• (left side of engine compt) underhood fuse block
• (on top right rear of engine) engine control module (ecm)
• +5v
• A/c compressor clutch (at lower left front of engine)
• A/c diode
• A/c fuse 10a
• A/c led
• A/c on/off input
• A/c press
• A/c refrigerant pressure sensor
• A/c relay
• A/c request input
• A/c request output
• A/c switch
• A1 c2
• A10
• A12
• B11
• Blower motor (on hvac assembly)
• Blower motor resistor assembly
• Blower switch
• Body control module (bcm) (mounted to top of glove box)
• C1 d10
• C11
• C12
• Can high
• Can low
• Compt, taped to engine harness)
• Def
• Def mode input
• Dim illumination
• Ect sensor
• Eng cntl 1 fuse 10a
• Engine controls system
• Engine coolant temperature (ect) sensor (in lower coolant passage of left cylinder head)
• F1 c1
• Fan 1 ctrl
• Fan 2 ctrl
• Fresh output
• G110 (at front left side of transmission)
• G300 (under center console)
• G304 (at left side of engine compt, near strut tower)
• G305 (under center console)
• Gnd
• H11
• H12
• Hot at all times
• Hot in run
• Hot in run or start
• Hvac control module (at lower center of dash)
• Ign
• Ign 3 fuse 10a
• Ign 3 relay
• Interior lights system
• K11
• K12
• Left i/p fuse block (behind left kick panel)
• Low reference
• M11
• Mode actuator (on hvac assembly)
• Mode input
• N11
• Off
• Pnk
• Recirc indicator
• Recirc on input
• Recirc output
• Recirculation actuator (on hvac assembly)
• Return
• S206 (in hvac harness)
• Sp105
• Sp300
• Tan
• Vent

3.0L VIN R, Manual A/C Wiring Diagram (2 of 2) for Saturn L300 2004

List of elements for 3.0L VIN R, Manual A/C Wiring Diagram (2 of 2) for Saturn L300 2004:

• A12
• Battery
• Cool fan 1 fuse 30a
• Cool fan 2 fuse 30a
• Cool fan low ref
• Cool fan mtr med spd
• Cool fan mtr voltage
• Cooling fan 1 (at front of radiator)
• Cooling fan 2 (at rear of radiator)
• Cooling fan control module (near battery)
• F12
• G105 (at left front corner of engine compt, forward of battery)
• Ground
• Hi spd cool fan sig
• Hot at all times
• Low spd cool fan sig
• Red
• Sp103 (at left front corner of engine compt, near battery)
• Underhood fuse block (left side of engine compt)

ANTI-LOCK BRAKES

2.2L VIN F

2.2L VIN F, Anti-lock Brakes Wiring Diagram for Saturn L300 2004

List of elements for 2.2L VIN F, Anti-lock Brakes Wiring Diagram for Saturn L300 2004:

• (shorting bar between pin 20 & 21)
• 2x tach
• A10
• A11
• Abs 1 fuse 30a
• Abs 2 fuse 30a
• Abs indicator
• Abs tt
• B10
• Bcm/ecm/ cruise fuse 10a
• Body control module (bcm) (mounted to top of glove box)
• Brake fuse 15a
• Brake pressure modulator valve (bpmv)
• Brake sw in
• C1 f1
• C4 b4
• C4 d8
• Computer data lines system
• D11
• Data link connector (dlc) (lower left side of dash)
• Delivered torque in
• E10
• E12
• Electronic brake control module (ebcm) (at left rear of engine compt)
• Exterior lights system
• F10
• G118 (on front of engine block, above starter)
• G304 (at left side of engine compt, near strut tower)
• Ground
• Ground distribution system
• Hot at all times
• Hot in run
• Hot in start or run
• Ign 1
• Ign 1 fuse 10a
• Ign 3 fuse 10a
• Instrument panel cluster (ipc)
• Led ctrl
• Left front wheel speed sensor (wss) (on left front steering knuckle)
• Left i/p fuse block (behind left kick panel)
• Left rear wheel speed sensor (wss) (on left rear hub/bearing assembly)
• Lf speed sens
• Logic
• Low trac tt
• Low traction indicator
• Lr speed sens
• Nca
• Pnk
• Power distribution system
• Powertrain control module (pcm) (at right rear corner of engine compt)
• Pwr out
• Red
• Redundant ground
• Request torque
• Requested torque
• Rf speed sens
• Right front wheel speed sensor (wss) (on right front steering knuckle)
• Right heated seat/traction switch
• Right rear wheel speed sensor (wss) (on right rear hub/bearing assembly)
• Rr speed sens
• S128
• Serial data
• Stop lamp switch (on brake pedal bracket)
• Tan
• Torque delivered
• Trac ctrl tt
• Traction control sw
• Traction control switch
• Traction on indicator
• Underhood fuse block (left side of engine compt)

3.0L VIN R

3.0L VIN R, Anti-lock Brakes Wiring Diagram for Saturn L300 2004

List of elements for 3.0L VIN R, Anti-lock Brakes Wiring Diagram for Saturn L300 2004:

• (shorting bar between pin 20 & 21)
• 2x tach
• A10
• Abs 1 fuse 30a
• Abs 2 fuse 30a
• Abs indicator
• Abs tt
• B10
• Bcm/ecm/ cruise fuse 10a
• Body control module (bcm) (mounted to top of glove box)
• Brake fuse 15a
• Brake pressure modulator valve (bpmv)
• Brake sw in
• C4 b4
• Computer data lines system
• D11 c1
• Data link connector (dlc) (lower left side of dash)
• Delivered torque in
• E12
• Electronic brake control module (ebcm) (at left rear of engine compt)
• Engine control module (ecm) (on top right rear of engine)
• Exterior lights system
• F10
• F8 c4
• G110 (at front left side of transmission)
• G304 (at left side of engine compt, near strut tower)
• Ground
• Ground distribution system
• Hot at all times
• Hot in run
• Hot in start or run
• Ign 1
• Ign 1 fuse 10a
• Ign 3 fuse 10a
• Instrument panel cluster (ipc)
• Led ctrl
• Left front wheel speed sensor (wss) (on left front steering knuckle)
• Left i/p fuse block (behind left kick panel)
• Left rear wheel speed sensor (wss) (on left rear hub/bearing assembly)
• Lf speed sens
• Logic
• Low trac tt
• Low traction indicator
• Lr speed sens
• Nca
• Pnk
• Power distribution system
• Pwr out
• Red
• Redundant ground
• Request torque
• Requested torque
• Rf spd sens
• Rf speed sens
• Rf speed sens out
• Right front wheel speed sensor (wss) (on right front steering knuckle)
• Right heated seat/traction switch
• Right rear wheel speed sensor (wss) (on right rear hub/bearing assembly)
• Rr speed sens
• S128
• Serial data
• Stop lamp switch (on brake pedal bracket)
• Tan
• Torque delivered
• Trac ctrl tt
• Traction control sw
• Traction control switch
• Traction on indicator
• Underhood fuse block (left side of engine compt)

ANTI-THEFT

Forced Entry Wiring Diagram for Saturn L300 2004

List of elements for Forced Entry Wiring Diagram for Saturn L300 2004:

• (behind right kick panel)
• A12
• Bcm/ cluster fuse 15a
• Body control module (bcm) (mounted to top of glove box)
• Body fuse 10a
• C3 f12
• Driver door jamb switch
• Driver door lock switch
• Drl relay ctrl
• E11
• Front passenger door lock switch
• G191 (at left side of engine compt, near strut tower)
• Ground
• Headlights system
• Horn relay ctrl
• Horns system
• Hot at all times
• Instrument panel cluster
• Left i/p fuse block (behind left kick panel)
• Left rear door jamb switch (at left "b" pillar)
• Lf door in
• Lock
• Lock sw in
• Other jamb sw
• Right front door jamb switch
• Right i/p fuse block
• Right i/p fuse block (behind right kick panel)
• Right rear door jamb switch (at right "b" pillar)
• Sec ind ctrl
• Security indicator
• Sp191
• Underhood fuse block (left side of engine compt)
• Unlock
• Unlock sw in

Passlock Wiring Diagram for Saturn L300 2004

List of elements for Passlock Wiring Diagram for Saturn L300 2004:

• (mounted to top of glove box) body control module (bcm)
• 2.2l
• 3.0l
• A10
• A12
• B10
• B11
• Bcm/cluster fuse 15a
• Can bus high
• Can bus low
• Data
• Data link connector (dlc) (lower left side of dash)
• E11
• Engine control module (ecm) (on top right rear of engine)
• F12
• G191 (at left side of engine compt, near strut tower)
• Ground
• Hot at all times
• Ignition lock cylinder case
• Inflatable restraint sensing and diagnostic module (under center console)
• Instrument panel cluster
• Low ref
• Onstar communication interface module
• Passlock sensor
• Power
• Powertrain control module (pcm) (at right rear corner of engine compt)
• Return
• Sec ind ctrl
• Sec sens sig
• Security indicator
• Serial data
• Serial data class 2
• Sp191
• Tan
• Underhood fuse block (left side of engine compt)

BODY CONTROL MODULES

Body Control Modules Wiring Diagram for Saturn L300 2004

List of elements for Body Control Modules Wiring Diagram for Saturn L300 2004:

• (2.2l)
• (3.0l)
• (at left side of engine compt)
• (wagon)
• 12 volt
• A/c request sig
• A/t shift lock sol ctrl
• A10
• A11
• A12
• Abs ind failure ctrl
• Air conditioning system
• Anti-lock brakes system
• Anti-theft system
• B10
• B11
• B12
• Battery +
• Bcm 2 fuse 10a
• Bcm/ cluster fuse 15a
• Bcm/ecm/ cruise fuse 10a
• Body control module (bcm) (mounted to top of glove box)
• Brake fluid level sens sig
• Brake fluid level switch (on master brake cylinder reservoir)
• Btsi/bcm mirror fuse 10a
• C1 f1
• C11 c1
• Can high
• Can low
• Class 2 serial data
• Computer data lines system
• Computer data lines system (3.0l)
• Coolant level sw sig
• Coolant level switch
• Courtesy lamp supp volt
• Defogger system
• Dome lamp ctrl
• Door lock rly ctrl
• Door locks system
• Door unlock rly ctrl
• Driver dr unlock rly ctrl
• Drl ambient light sens l ref
• Drl ambient light sens sig
• Drl relay ctrl
• Drv door lock sw lock sig
• Drv door lock sw unlock sig
• E11
• Exterior lights system
• G191 (at left side of engine compt, near strut tower)
• G304 (at left side of engine compt, near strut tower
• Ground
• Ground distribution system
• Headlamp rly supp volt
• Headlights system
• High beam in
• Horn rly ctrl
• Horns system
• Hot at all times
• Hot in run or acc
• Hot in run or start
• I/p lamps dimmer sw sig
• Ign 1 fuse 10a
• Ignition 1
• Ignition 2
• Instrument cluster system
• Interior lights system
• Key in ign sw sig
• Lcd backlighting lamp ctrl
• Lcd dimming sig
• Left front door ajar sw sig
• Left i/p fuse block (behind left kick panel)
• Low beam in
• Low ref
• Park brake sw sig
• Park lamp relay ctrl
• Park lamp supp volt
• Park lamp sw sig
• Pass door ajar sw sig
• Pnk
• Power distribution system
• Rear compt lid ajar sw sig
• Rear defog rly ctrl
• Rear defog sw sig
• Rear wdw washer pump ctrl
• Rear wiper rly ctrl
• Red
• Security indicator ctrl
• Security syst sens sig
• Shift interlock system
• Sp191
• Tan
• Traction ctrl active sig
• Traction ctrl idn ctrl
• Traction ready ind ctrl
• Trunk release enable rly sw
• Trunk release sw sig
• Trunk, tailgate, fuel doors system
• Underhood fuse block (left side of engine compt)
• Warning system
• Windshield washer fld lvl sig
• Windshield washer pump ctrl
• Windshield washer sw sig
• Windshield wiper rly ctrl
• Windshield wiper sw dly sig
• Windshield wiper sw sig 1
• Windshield wiper sw sig 2
• Wiper/washer system

COMPUTER DATA LINES

2.2L VIN F

2.2L VIN F, Computer Data Lines Wiring Diagram for Saturn L300 2004

List of elements for 2.2L VIN F, Computer Data Lines Wiring Diagram for Saturn L300 2004:

• data class 2
• A10
• B10
• Body control module (bcm) (mounted to top of glove box)
• C3 f5
• Cd/dlc fuse 15a
• Data class 2
• Data link connector (dlc) (lower left side of dash)
• Electronic brake control module (ebcm) (at left rear of engine compartment)
• G118 (on front of engine block, above starter)
• G191 (at left side of engine compartment, near strut tower)
• Ground distribution system
• Hot at all times
• Inflatable restraint sensing & diagnostic module (sdm) (at center of vehicle, under center console)
• Instrument panel cluster (ipc)
• Kw 2000
• Onstar communication interface module (cim)
• Powertrain control module (pcm) (at right rear corner of engine compartment)
• Sp120
• Sp191
• Underhood fuse block (left side of engine compartment)

3.0L VIN R

3.0L VIN R, Computer Data Lines Wiring Diagram for Saturn L300 2004

List of elements for 3.0L VIN R, Computer Data Lines Wiring Diagram for Saturn L300 2004:

• data class 2
• A10
• A12
• B10
• B11
• Body control module (bcm) (mounted to top of glove box)
• C2 class 2
• Can high
• Can low
• Cd/dlc fuse 15a
• Data
• Data class 2
• Data link connector (dlc) (lower left side of dash)
• Electronic brake control module (ebcm) (at left rear of engine compt)
• Engine control module (ecm) (on top right rear of engine)
• G110 (at front left side of transmission)
• G191 (at left side of engine compt, near strut tower)
• Ground distribution system
• Hot at all times
• Inflatable restraint sensing & diagnostic module (sdm) (at center of vehicle, under center console)
• Instrument panel cluster (ipc)
• Kw 2000
• Left i/p fuse block (behind left kick panel)
• Onstar communication interface module (cim)
• Sp191
• Tan
• Transaxle control module
• Underhood fuse block (left side of engine compt)

COOLING FAN

2.2L VIN D

2.2L VIN D, Cooling Fan Wiring Diagram for Saturn L300 2004

List of elements for 2.2L VIN D, Cooling Fan Wiring Diagram for Saturn L300 2004:

• A12
• Battery
• Cool fan low ref
• Cool fan mtr med spd
• Cool fan mtr voltage
• Coolant fan 1 fuse 30a
• Coolant fan 2 fuse 30a
• Cooling fan 1 (at front of radiator)
• Cooling fan 2 (at rear of radiator)
• Cooling fan control module (near battery)
• Ect sig
• Engine coolant temperature (ect) sensor (on thermostat housing)
• F12
• Fan 1 cntrl
• Fan 2 cntrl
• G105 (at left front corner of engine compt, forward of battery)
• Ground
• Hi spd cool fan sig
• Hot at all times
• Low ref
• Low spd cool fan sig
• Powertrain control module (pcm) (at right rear corner of engine compt)
• Red
• Splice pack sp103 (at left front corner of engine compt, near battery)
• Underhood fuse block (left side of engine compt)

2.2L VIN F

2.2L VIN F, Cooling Fan Wiring Diagram for Saturn L300 2004

List of elements for 2.2L VIN F, Cooling Fan Wiring Diagram for Saturn L300 2004:

• A12
• Battery
• Cool fan low ref
• Cool fan mtr med spd
• Cool fan mtr voltage
• Coolant fan 1 fuse 30a
• Coolant fan 2 fuse 30a
• Cooling fan 1 (at front of radiator)
• Cooling fan 2 (at rear of radiator)
• Cooling fan control module (near battery)
• Ect sig
• Engine coolant temperature (ect) sensor (on thermostat housing)
• F12
• Fan 1 cntrl
• Fan 2 cntrl
• G105 (at left front corner of engine compt, forward of battery)
• Ground
• Hi spd cool fan sig
• Hot at all times
• Low ref
• Low spd cool fan sig
• Powertrain control module (pcm) (at right rear corner of engine compt)
• Red
• Splice pack sp103 (at left front corner of engine compt, near battery)
• Underhood fuse block (left side of engine compt)

3.0L VIN R

3.0L VIN R, Cooling Fan Wiring Diagram for Saturn L300 2004

List of elements for 3.0L VIN R, Cooling Fan Wiring Diagram for Saturn L300 2004:

• A12
• Battery
• Cool fan 1 fuse 30a
• Cool fan 2 fuse 30a
• Cool fan low ref
• Cool fan mtr med spd
• Cool fan mtr voltage
• Cooling fan 1 (at front of radiator)
• Cooling fan 2 (at rear of radiator)
• Cooling fan control module (near battery)
• Ect sens sig
• Engine control module (ecm) (on top right rear of engine)
• Engine coolant temperature (ect) sensor (in lower coolant passage of left cylinder head)
• F12
• Fan 1 cntrl
• Fan 2 cntrl
• G105 (at left front corner of engine compt, forward of battery)
• Ground
• Hi spd cool fan sig
• Hot at all times
• Ign 1 voltage
• Lo ref
• Low spd cool fan sig
• Red
• Splice pack sp103 (at left front corner of engine compt, near battery)
• Splice pack sp105 (at rear of engine compt, taped to engine harness)
• Underhood fuse block (left side of engine compt)

CRUISE CONTROL

2.2L VIN F

2.2L VIN F, Cruise Control Wiring Diagram for Saturn L300 2004

List of elements for 2.2L VIN F, Cruise Control Wiring Diagram for Saturn L300 2004:

• (in steering wheel jumper harness, under inflatable restraint steering wheel module) s202
• A10
• All times
• Bcm/ecm/ cruise fuse 10a
• Brake fuse 15a
• C3 a9
• C3 b5
• C4 a4
• Cruise brake in
• Cruise control module (ccm) (at left rear of engine compt)
• Cruise enable
• Cruise on/off
• Cruise on/off ind
• Cruise on/off switch
• Cruise set/coast
• Cruise set/resume switch
• Cruise switch fuse 2a
• Cruise/ brake switch (on brake pedal bracket)
• E10
• Enable output
• Engage output
• F10
• G118 (on front of engine block, above starter)
• Ground
• Grounded to steering wheel
• Hot at
• Hot in run or start
• Ignition 1
• Inflatable restraint steering wheel module coil (under steering wheel)
• Left i/p fuse block (behind left kick panel)
• Nca
• Off
• Pnk
• Powertrain control module (pcm) (at right rear corner of engine compt)
• Resume/ accel
• Resume/accel
• Set/ coast
• Sp120 (at rear of engine compt, taped to engine harness)
• Speed signal
• Stop lamp switch (on brake pedal bracket)
• Stp lmp sw input
• Switch signal
• Underhood fuse block (left side of engine compartment)
• Vehicle speed input

3.0L VIN R

3.0L VIN R, Cruise Control Wiring Diagram for Saturn L300 2004

List of elements for 3.0L VIN R, Cruise Control Wiring Diagram for Saturn L300 2004:

• (in steering wheel jumper harness, under inflatable restraint steering wheel module) s202
• A10
• A9 c3
• All times
• B10 c4
• B5 c3
• Bcm/ecm/ cruise fuse 10a
• Brake fuse 15a
• Cruise brake in
• Cruise on/off
• Cruise on/off switch
• Cruise set/coast
• Cruise set/resume switch
• Cruise switch fuse 2a
• Cruise w/ off ind
• Electronic brake control module (ebcm) (at left rear of engine compt)
• Engine control module (ecm) (on top right rear of engine)
• F10
• Grounded to steering wheel
• Hot at
• Hot in
• Inflatable restraint steering wheel module coil (under steering wheel)
• Left i/p fuse block (behind left kick panel)
• Nca
• Off
• Pnk
• Resume/ accel
• Resume/accel
• Run or start
• Set/ coast
• Stp lmp sw input
• Underhood fuse block (left side of engine compt)
• Vehicle speed in
• Vehicle speed out

DEFOGGERS

Defoggers Wiring Diagram for Saturn L300 2004

List of elements for Defoggers Wiring Diagram for Saturn L300 2004:

• (at left side of engine compt, near strut tower)
• A12
• A12 c2
• Body control module (bcm) (mounted to top of glove box)
• Body fuse 10a
• C11
• C12
• Defog led fuse 10a
• Driver outside rearview mirror
• E11
• E12
• F11
• Front passenger outside rearview mirror
• G300 (under center console)
• G304
• G400 (under rear shelf)
• G463 (in top of liftgate)
• Ground distribution system
• Hot at all times
• Hot in run
• Hvac control module (at lower center of dash)
• Ign 3 fuse 10a
• Left i/p fuse block (behind left kick panel)
• Mirror relay
• Rear defog fuse 25a
• Rear defog ind
• Rear defog relay
• Rear defog switch
• Rear defogger grid
• Relay control
• Right i/p fuse block (behind right kick panel)
• Sedan
• Sp300
• Switch output
• Tan
• Underhood fuse block (left side of engine compt)
• Wagon

ENGINE PERFORMANCE

2.2L VIN F

2.2L VIN F, Engine Performance Wiring Diagram (1 of 4) for Saturn L300 2004

List of elements for 2.2L VIN F, Engine Performance Wiring Diagram (1 of 4) for Saturn L300 2004:

• (in air intake of air induction system) intake air temperature (iat) sensor
• +5v ref
• 2x tach
• A/c press
• A/c refrigerant pressure sensor (in a/c high pressure line)
• A/c relay
• A/c system
• A10
• Battery
• Body fuse 10a
• Brake fuse 15a
• Brake sw in
• C11
• C12
• Computer data lines
• Computer data lines system
• Controls b+ fuse 10a
• Controls ign 1 fuse 10a
• Cooling fans system
• Cruise control module (ccm) (left rear of engine compt)
• Crz enable
• Electronic brake control module (ebcm) (left rear of engine compt)
• Evap vent
• Evaporative emissions (evap) canister vent solenoid (near fuel tank filler tube)
• Exterior lights system
• F10
• Fan ctrl 1
• Fan ctrl 2
• Fuel lvl
• Fuel press
• Fuel pump
• Hot at all times
• Hot in run or start
• Hot in run, acc or start
• Iat sens
• Ign
• Ign 0 fuse 10a
• Ignition 0
• Ignition 1
• Instrument cluster
• Left i/p fuse block
• Low ref
• Malfunction indicator lamp
• Pnk
• Powertrain control module (pcm) (right rear of engine compt)
• Right i/p fuse block
• Serial data
• Speed out
• Stoplamp switch (on brake pedal bracket)
• Tan
• Torq deliver
• Torq reqst
• Underhood fuse block (left side of engine compt)

2.2L VIN F, Engine Performance Wiring Diagram (2 of 4) for Saturn L300 2004

List of elements for 2.2L VIN F, Engine Performance Wiring Diagram (2 of 4) for Saturn L300 2004:

• (front of eng block, above starter)
• A10
• A11
• A12
• B12
• C11
• C12
• Clean ground splice pack
• D11
• D12
• E11
• E12
• Electronic prndl module
• F11
• Fuel level sensor
• Fuel pump fuse 15a
• Fuel pump motor
• Fuel pump relay
• Fuel tank pressure sensor
• Fuel tank unit
• G103 (near windshield washer fluid tank)
• G118
• G399 (near left tail lamp assembly)
• G401 (near left tail lamp assembly)
• Hot at all times
• Left forward lamp splice pack
• Left i/p fuse block (left kick panel)
• Of engine compt)
• Park neutral position (pnp) switch (top of transmission)
• Sedan
• Underhood fuse block (left side
• Underhood fuse block (left side of engine compt)
• Wagon

2.2L VIN F, Engine Performance Wiring Diagram (3 of 4) for Saturn L300 2004

List of elements for 2.2L VIN F, Engine Performance Wiring Diagram (3 of 4) for Saturn L300 2004:

• 1-2 shift sol
• 1-4 coil ctrl
• 2-3 coil ctrl
• 2-3 shift sol
• Automatic transaxle
• Automatic transaxle fluid pressure switch assembly
• Automatic transaxle fluid temp sensor
• Cam sig out
• Controls ign 1 fuse 10a
• Crankshaft position (ckp)
• Csi pickup
• Drive
• Electronic ignition module (icm) (top of engine)
• G118 (above starter)
• Ground
• Hot in run or start
• Ic 1-4
• Ic 2-3
• Ign volt
• Ignition
• Input shaft speed sensor
• Pnk
• Pressure control solenoid
• Red
• Rev
• Sensor (left side of engine block, above starter)
• Tcc press
• Tcc sol
• To spark plugs
• Underhood fuse block (left side of engine compt)

2.2L VIN F, Engine Performance Wiring Diagram (4 of 4) for Saturn L300 2004

List of elements for 2.2L VIN F, Engine Performance Wiring Diagram (4 of 4) for Saturn L300 2004:

• (pins 21-25 not used)
• (right side of engine) evaporative emissions (evap) canister purge solenoid
• +5v ref
• 1-2 ss
• 2-3 ss
• B10
• C10
• Cam sig hi
• Ckp sig hi
• Ckp sig lo
• Clean ground splice pack
• Code a in
• Code b in
• Code c in
• Cruise engage
• Ect sig
• Eis fuse 10a
• Engine coolant temperature (ect) sensor (on thermostat housing)
• Engine oil pressure (eop) switch (near oil filter)
• Evap purge
• F ho2s hi
• F ho2s htr
• F ho2s lo
• F10
• Front heated oxygen sensor (on exhaust manifold)
• Fuel injectors
• G118 (front of eng block, above starter)
• Gen f term
• Gen l term
• Generator
• Ground
• Hot in run or start
• Iac a hi
• Iac a lo
• Iac b hi
• Iac b lo
• Ic 1-4
• Ic 2-3
• Idle air control (iac) valve (top left side of engine)
• Inj 1 ctrl
• Inj 2 ctrl
• Inj 3 ctrl
• Inj 4 ctrl
• Injector fuse 10a
• Knock sens
• Knock sensor (ks) (under intake manifold)
• Low ref
• Manifold absolute pressure (map) sensor (on intake manifold)
• Map signal
• Nca
• Oil press
• Oss sens hi
• Oss sens lo
• Output speed sensor (right side of trans)
• Parity input
• Pcs sol
• Pnk
• Powertrain control module (pcm) (right rear of engine compt)
• R ho2s hi
• R ho2s htr
• R ho2s lo
• Rear heated oxygen sensor (behind catalytic converter)
• Red
• Return
• S139 (in fuel injector harness)
• Tan
• Tcc press
• Tcc sol
• Tfp b input
• Tfp c input
• Tft sense
• Throttle position (tp) sensor (on throttle body assy)
• Tp signal
• Tss sens hi
• Tss sens lo
• Underhood fuse block (left side of engine compt)

3.0L VIN R

3.0L VIN R, Engine Performance Wiring Diagram (1 of 3) for Saturn L300 2004

List of elements for 3.0L VIN R, Engine Performance Wiring Diagram (1 of 3) for Saturn L300 2004:

• (in intake manifold) intake manifold runner control (imrc) solenoid
• (left side of trans)
• Case ground
• Ckp hi
• Ckp lo
• Cmp sens
• Coil 1 ctrl
• Coil 3 ctrl
• Coil 4 ctrl
• Coil 5 ctrl
• Coil 6 ctrl
• Crankshaft position (ckp) sensor (behind oil filter)
• E10
• Ect sens
• Egr sol ctrl
• Engine control module (ecm) (top right rear of eng)
• Evap purge
• F10
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 4
• Fuel inj 5
• Fuel inj 6
• Fuel injectors
• G110
• Heated oxygen sensor bank 1 sensor 1 (on right exhaust manifold)
• Heated oxygen sensor bank 1 sensor 2 (in exhaust, downstream of bank 1 conv)
• Heated oxygen sensor bank 2 sensor 1 (on left exhaust manifold)
• Heated oxygen sensor bank 2 sensor 2 (in exhaust, downstream of bank 2 conv)
• Ho2s 1,1 htr
• Ho2s 1,1 in
• Ho2s 1,1 out
• Ho2s 1,1 ref
• Ho2s 1,1 sig
• Ho2s 1,2 hi
• Ho2s 1,2 htr
• Ho2s 1,2 lo
• Ho2s 2,1 htr
• Ho2s 2,1 in
• Ho2s 2,1 out
• Ho2s 2,1 ref
• Ho2s 2,1 sig
• Ho2s 2,2 hi
• Ho2s 2,2 lo
• Hot in run or start
• Iat sens
• Ign fuse 15a
• Ignition control module (icm) bank 1
• Ignition control module (icm) bank 2
• Intk plenum
• Knock sens
• Knock sensor 1 (for cyl 1, 3, 5) (right side of engine)
• Knock sensor 2 (for cyl 2, 4, 6) (left front of engine)
• Maf sens
• Mass air flow (maf) sensor (on air intake duct)
• Nca
• Pnk
• Sensor +5v
• Sensor rtn
• Shield cable ground splice
• Shld ground
• Tan
• Throttle hi
• Throttle lo
• To spark plugs
• Tps +5v
• Tps sens 1
• Tps sens 2
• Underhood fuse block (left side of engine compt)

3.0L VIN R, Engine Performance Wiring Diagram (2 of 3) for Saturn L300 2004

List of elements for 3.0L VIN R, Engine Performance Wiring Diagram (2 of 3) for Saturn L300 2004:

• (not used)
• A10
• B10
• B11
• Brake fuse 15a
• Camshaft position sensor (top left front of engine)
• D11
• D12
• E12
• Engine cntl 1 fuse 10a
• Engine cntl 2 fuse 10a
• Engine cntl 3 fuse 10a
• Engine coolant temperature (ect) sensor (left cylinder head)
• Evaporative emissions (evap) canister purge solenoid (right side of engine)
• F10
• Hot at all times
• Left i/p fuse block (left kick panel)
• Main relay
• Sp105 (rear of eng compt, taped to eng harn)
• Stop lamp switch (on brake pedal bracket)
• Throttle actuator control (tac) module (on throttle body)
• To fuel pump relay (diagram 3 of 3)
• Underhood fuse block (left side of engine compt)

3.0L VIN R, Engine Performance Wiring Diagram (3 of 3) for Saturn L300 2004

List of elements for 3.0L VIN R, Engine Performance Wiring Diagram (3 of 3) for Saturn L300 2004:

• (lower left side of dash) data link connector (dlc)
• (top of glove box) body control module (bcm)
• A/c press
• A/c refrigerant pressure sensor (in a/c high side pressure line)
• A/c rly ctrl
• A/c system
• A10
• A12
• Accelerator
• App +5v
• App 1 sens
• App 2 sens
• App rtn
• B10
• B11
• Battery
• Bcm can hi
• Bcm can lo
• Bcm/ecm/ crz/abs fuse 10a
• Body fuse 10a
• C10
• C11
• Charging circuit
• Computer data lines
• Controls b+ fuse 10a
• Cooling fans
• Cooling fans system
• Cruise brake switch (on brake pedal bracket)
• Cruise control
• Cruise control system
• Cruz on/off
• Cruz res/acl
• Cruz set/cst
• Cruz/brake in
• D10
• D12
• Electronic brake control module (ebcm) (left rear of engine compt)
• Engine control module (ecm) (top right rear of eng)
• Engine oil pressure (eop) switch (on oil pump housing)
• Evap vent
• Evaporative emissions (evap) canister vent solenoid (near fuel tank filler tube)
• Fan 1 ctrl
• Fan 2 ctrl
• From engine ctrl3 fuse (diagram 2 of 3)
• Ftp sens
• Fuel level
• Fuel level sensor
• Fuel pump fuse 15a
• Fuel pump motor
• Fuel pump relay
• Fuel pump rly
• Fuel tank pressure sensor
• Fuel tank unit
• G401 (near left taillamp)
• Gen l term
• Hot at all times
• Hot in run or start
• Ign 1
• Ign 1 fuse 10a
• Instrument cluster
• Kw2000
• Left i/p fuse block (left kick panel)
• Left i/p fuse block c2 (left kick panel)
• Main ground
• Main rly ctrl
• Main rly pwr
• Malfunction indicator lamp
• Oil press
• Pedal position (app) sensor (on accelerator pedal linkage arm)
• Pnk
• Power distribution system
• Red
• Rf whl spd
• Right i/p fuse block (right kick panel)
• Sens +5v
• Sens rtn
• Stoplamp in
• Tach out
• Tan
• Tcm can hi
• Tcm can lo
• Torque del
• Torque req
• Transmission control module (tcm)
• Underhood fuse block (left side of engine compt)

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for Saturn L300 2004

List of elements for Back-up Lamps Wiring Diagram for Saturn L300 2004:

• (2.2l) (3.0l)
• (sedan) (wagon)
• Back- up lamp
• Back-up turn fuse 10a
• C4 f3 c12
• E12
• F6 c3 c3
• G401 (at left rear of vehicle, near left taillight assembly)
• G403 (at left rear of vehicle, near left taillight assembly)
• Hot in run or start
• Left i/p fuse block (behind left kick panel) c1
• Left tail lamp assembly
• Mirrors system
• Park neutral position (pnp) switch (at top of transmission)
• Pnk
• Right tail lamp assembly
• Sedan
• Splice pack sp401
• Underhood fuse block (left side of engine compartment)
• Underhood fuse block (left side of engine compartment)
• Wagon

Exterior Lamps Wiring Diagram, Sedan for Saturn L300 2004

List of elements for Exterior Lamps Wiring Diagram, Sedan for Saturn L300 2004:

• (at left side of engine compt, near strut tower) g191
• 2.2l
• 2.2l 3.0l
• 3.0l
• A10
• A12
• Anti-lock brakes system
• Auto
• B10
• B11
• B12
• B9 c2
• Back-up turn fuse 10a
• Base
• Body control module (bcm) (mounted to top of glove box)
• Brake fuse 15a
• C1 c1
• C10
• Center high mounted stop lamp (chmsl)
• D8 pnk
• E10
• Electronic prndl module
• F1 c1
• F10
• Flasher
• From park a lamp relay
• G103 (at left front of engine compartment, near windshield washer fluid tank)
• G300 (under center console)
• G304 (at left side of engine compt, near strut tower)
• G401 (at left rear of vehicle, near left taillight assembly)
• Ground distribution system
• Hazard
• Hazard fuse 15a
• Hazard switch
• Head
• Head lamp/ turn signal switch
• Headlamp/ turn signal switch left
• Headlights system
• Hot at all times
• Hot in run or start
• Instrument panel cluster
• Interior lights system
• Left
• Left front marker lamp
• Left front park/ turn signal lamp
• Left i/p fuse block (behind left kick panel)
• Left license lamp
• Left tail lamp assembly
• Left turn indicator
• Off
• Park
• Park lamp fuse 10a
• Park lamp relay
• Park/turn signal light) s106
• Pnk
• Power distribution system
• Premium
• Radio
• Right
• Right front marker lamp
• Right front park/ turn signal lamp
• Right license lamp
• Right tail lamp assembly
• Right turn indicator
• S107 (in headlight harness, near left front park/turn signal light)
• S308
• Sp103 (at left corner of engine compartment, near battery)
• Sp191
• Sp300
• Sp401
• Stop lamp switch (on brake pedal bracket)
• Tail/ stop lamp
• Tail/ turn signal lamp
• To left i/p fuse block
• Turn signal feed
• Underhood fuse block (left side of engine compartment)

Exterior Lamps Wiring Diagram, Wagon for Saturn L300 2004

List of elements for Exterior Lamps Wiring Diagram, Wagon for Saturn L300 2004:

• (at left side of engine compt, near strut tower)
• 2.2l
• 3.0l
• A10
• A12
• Anti-lock brakes system
• Auto
• B10
• B11
• B12
• B9 c2
• Back-up/ turn fuse 10a
• Base
• Body control module (bcm) (mounted to top of glove box)
• Brake fuse 15a
• C1 e1
• C10
• Center high mounted stop lamp (chmsl)
• Compt, near strut tower) g191
• E10
• Electronic prndl module
• F1 c1
• F10
• Flasher
• From park a lamp relay
• G103 (at left front of engine compartment, near windshield washer fluid tank)
• G304
• G304 (at left side of engine compt, near strut tower)
• G403 (at left rear of vehicle, near left taillight assembly)
• G464 (in top of liftgate)
• Ground distribution system
• Hazard
• Hazard fuse 15a
• Hazard switch
• Head
• Head lamp/ turn signal switch
• Headlamp/ turn signal switch left
• Headlights system
• Hot at all times
• Hot in run or start
• Instrument panel cluster (ipc)
• Interior lights system
• Left
• Left front marker lamp
• Left front park/ turn signal lamp
• Left i/p fuse block (behind left kick panel)
• Left license lamp
• Left tail lamp assembly
• Left turn indicator
• Off
• Park
• Park lamp fuse 10a
• Park lamp relay
• Park/turn signal light) s106
• Pnk
• Power distribution system
• Premium
• Radio
• Right
• Right front marker lamp
• Right front park/ turn signal lamp
• Right license lamp
• Right tail lamp assembly
• Right turn indicator
• Sp103 (at left corner of engine compartment, near battery)
• Sp191
• Sp464
• Stop lamp switch (on brake pedal bracket)
• Tail/ stop lamp
• Tail/ turn signal lamp
• To left i/p fuse block
• Turn signal feed
• Underhood fuse block (left side of engine compartment)

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 3) for Saturn L300 2004

List of elements for Ground Distribution Wiring Diagram (1 of 3) for Saturn L300 2004:

• (left side of engine compt) underhood fuse block
• (not used)
• 2.2l
• 3.0l
• A/c compressor clutch
• A11
• A18
• Bare
• Battery
• C102
• C103
• C4 underhood fuse block (left side of engine compt)
• Cooling fan 2
• Cooling fan control module
• Cruise control module
• Data link connector (dlc)
• Drl relay
• Drl resistor
• Electronic brake traction control module (ebtcm)
• Fuel pump relay
• G102 (in engine compt)
• G103 (at left front of engine compt, near windshield washer fluid tank)
• G105 (at left front of engine compt, forward of battery)
• G107 (at left front corner of engine compt, near battery)
• G110 (at front left side of transmission)
• G113 (at front left side of transmission)
• G114 (at left front corner of engine compt, near battery)
• G118 (on front of engine block, above starter)
• G202 (behind lower center of dash, near radio)
• G303 (under center console)
• G463 (in top of liftgate)
• Horn
• Ignition coil
• Ignition control module (icm)
• Inflatable restraint sensing & diagnostic module (sdm)
• J11
• K12
• Left fog lamp
• Left front wheel speed sensor (wss)
• Left headlamp assembly
• Marker lamp
• Nca
• Park neutral position (pnp) switch
• Park/turn signal lamp
• Powertrain control module (pcm)
• Rear window defogger grid
• Rear wiper relay
• Rear wiper relay (wagon)
• Right fog lamp
• Right front wheel speed sensor (wss)
• Right headlamp assembly
• S128 (in engine harness, near nca breakout for left front wheel speed sensor)
• Splice pack sp103 (at left front corner of engine compartment, near battery)
• Splice pack sp120 (2.2l) (at rear of engine compartment, taped to engine harness)
• Transmission control module (tcm)
• Underhood fuse block (left side of engine compt) c4
• Vehicle communication interface module (vcim)
• Wagon
• Windshield washer fluid level switch
• Windshield wiper motor

Ground Distribution Wiring Diagram (2 of 3) for Saturn L300 2004

List of elements for Ground Distribution Wiring Diagram (2 of 3) for Saturn L300 2004:

• (if equipped) sunroof module
• (if equipped) sunroof switch
• (not used)
• (wagon) mirror map lamp
• A12
• Audio amplifier
• Audio/video interface (avi) module
• Auxiliary power outlet
• B11
• Blower motor
• Body control module (bcm)
• Brake fluid level switch
• Brake transmission shift interlock (btsi) switch
• C1 left i/p fuse block (behind left kick panel)
• C11
• Center high mounted stop lamp (chmsl)
• Cigar lighter
• D11
• Data link connector (dlc)
• Dome lamp
• Door lock relay
• Door unlock relay
• Driver door unlock relay
• Driver heated seat switch
• Driver outside rearview mirror
• Driver seat
• Driver seat adjuster switch
• Driver window switch
• Electronic prndl module
• Front passenger outside rearview mirror
• Front passenger seat
• Front passenger window switch
• G191 (at left side of engine compt, near strut tower)
• G300 (under center console)
• G304 (at left side of engine compt, near strut tower)
• G305 (under center console)
• G400 (under rear shelf)
• H11
• Hazard switch
• Headlamp relay
• Headlamp/ turn signal switch
• Horn switch
• Hvac control module
• I/p compart- ment lamp switch
• Ign3 relay
• Ignition switch
• Inflatable restraint steering wheel module
• Inflatable restraint steering wheel module coil c4
• Inside rearview mirror (isrvm)
• Instrument panel cluster (ipc)
• K12
• Left vanity lamp
• Mirror relay
• Nca
• Outside rearview mirror switch
• Rear compart- ment lid/ dimmer switch
• Rear window defogger grid
• Right heated seat/ traction switch
• Right i/p fuse block (behind right kick panel)
• Right vanity lamp
• S308 (in headliner harness)
• Splice pack sp191
• Splice pack sp300
• W/ premium audio system
• Window relay
• Windshield washer/ wiper switch

Ground Distribution Wiring Diagram (3 of 3) for Saturn L300 2004

List of elements for Ground Distribution Wiring Diagram (3 of 3) for Saturn L300 2004:

• (not used)
• (not used) f
• Back up lamp
• Backup lamp
• C498
• C499
• Center high mounted stop lamp (chmsl)
• Fuel pump sender assembly
• G399 (at left rear of vehicle, near left taillight assembly)
• G401 (at left rear of vehicle, near left taillight assembly)
• G403 (at left rear of vehicle, near left taillight assembly)
• G464 (in top of liftgate)
• Left license lamp
• Left tail lamp assembly
• Liftgate ajar switch
• Liftgate release actuator
• Nca
• Rear compartment lid ajar/release actuator
• Rear wiper motor
• Right license lamp
• Right tail lamp assembly
• Sedan
• Splice pack sp401
• Splice pack sp464
• Tail/stop lamp
• Tail/turn lamp
• Wagon

HEADLIGHTS

Headlights Wiring Diagram for Saturn L300 2004

List of elements for Headlights Wiring Diagram for Saturn L300 2004:

• (3.0l) (2.2l)
• (behind left kick panel) left i/p fuse block
• Ambient light sensor (at top center of dash)
• Auto
• Backup/ turn fuse 10a
• Body control module (bcm) (mounted to top of glove box)
• C1 c8
• C1 d11
• C2 a3
• C2 d2
• C2 e5
• C2 f10
• C3 d1
• C3 e3
• C5 c3
• C9 c1
• Class 2 (bcm)
• Class 2 serial data
• Computer data lines system
• Corner of engine compt, near battery)
• D2 c2
• Daytime running lamp (drl) resistor (at left side of engine compt)
• Drl ind
• Drl lt sens
• Drl relay
• Drl rly
• E3 c2
• F-p
• F10 c2
• Fog lamp ind
• Fog lamp relay
• Fog lamp switch
• Fog lp fuse 10a
• G103 (at left front of engine compt, near windshield washer fluid tank)
• G304 (at left side of engine compt, near strut tower)
• Hdl rly ctrl
• Hdlp
• Head lamp relay
• Headlamp/turn signal switch
• Hi beam
• High beam ind
• Hot at all times
• Hot in run or start
• Ign 1 fuse 10a
• Instrument panel cluster (ipc)
• Left fog lamp
• Left heated seat/fog lamp switch
• Left high beam head- lamp
• Left low beam head- lamp
• Lo beam
• Logic
• Lt headlamp fuse 10a
• Park brake switch
• Park lamp fuse 10a
• Park lamp relay
• Pk brake
• Pk lmp sw
• Pklp rly ctrl
• Pnk
• Power distribution system
• Right fog lamp
• Right high beam head- lamp
• Right i/p fuse block (behind right kick panel)
• Right low beam head- lamp
• Rt headlamp fuse 10a
• Sp103 (at left front
• Underhood fuse block (left side of engine compt)

HORN

Horn Wiring Diagram for Saturn L300 2004

List of elements for Horn Wiring Diagram for Saturn L300 2004:

• (3.0l) (2.2l)
• (in steering wheel)
• Body control module (bcm) (mounted to top of glove box)
• C3 c3
• D3 e3
• G103 (at left front of engine compartment, near windshield washer fluid tank)
• G304 (at left side of engine compt, near strut tower)
• Horn (behind right side of front fascia)
• Horn fuse 10a
• Horn relay
• Horn rly ctrl
• Horn switch
• Hot at all times
• Inflatable restraint steering wheel module
• Inflatable restraint steering wheel module coil (in steering wheel)
• Left i/p fuse block (behind left kick panel) c1
• Nca
• Sp103 (at left front corner of engine compartment, near battery)
• Underhood fuse block (left side of engine compartment)

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram for Saturn L300 2004

List of elements for Instrument Cluster Wiring Diagram for Saturn L300 2004:

• (2.2l)
• (3.0l)
• (on top right rear of engine)
• (or 2500)
• (or 2501)
• (or tan)
• 000000 trip
• 2.2l
• 3.0l
• A10 c1
• A8 c2
• Abs ind
• Air bag ind
• Battery ind
• Bcm/ cluster fuse 15a
• Body control module (bcm) (mounted to top of glove box)
• Brake ind
• C11
• Can high
• Can low
• Change oil soon ind
• Computer data lines system
• Coolant temp gauge
• Drl ind
• Engine control module (ecm)
• Engine controls system
• Engine oil pressure (eop) switch (2.2l: on engine block, near oil filter) (3.0l: on oil pump housing, on lower front of engine)
• Exterior lights system
• F12 c3
• Fuel gauge
• Fuel pump & sender assembly (on top of fuel tank)
• G191 (at left side of engine compartment, near strut tower)
• Ground
• Hatch ajar ind
• High beam ind
• Hot at all times
• Hot in run or start
• Ign
• Ign 1 fuse 10a
• Illumination (6 bulbs)
• Instrument panel cluster (ipc)
• Interior lights system
• Km/miles
• Lcd display
• Left i/p fuse block (behind left kick panel)
• Left turn ind
• Logic
• Low coolant ind
• Low fuel ind
• Low ref
• Low traction ind
• Low washer fluid ind
• Malfunction ind lamp
• Odometer backlight
• Oil pressure ind
• Pnk
• Power distribution system
• Powertrain control module (pcm) (at right rear corner of engine compt)
• Reduced power ind
• Right turn ind
• Seat belt ind
• Security ind
• Security led control
• Sens sig
• Serial data
• Service vehicle ind
• Sp191
• Speedometer
• Sw sig
• Tachometer
• Tan
• Underhood fuse block (left side of engine compt)

INTERIOR LIGHTS

Interior Lights Wiring Diagram (1 of 2) for Saturn L300 2004

List of elements for Interior Lights Wiring Diagram (1 of 2) for Saturn L300 2004:

• (w/ onstar)
• (w/o onstar)
• 5v ref
• A12
• Auto
• B(+)
• B1 c1
• B11
• Bcm 2 fuse 10a
• Body control module (bcm) (mounted to top of glove box)
• C1 b1
• C1 f1
• C11
• C2 b5
• Courtesy lamps input
• D11
• Dimmer
• Dimmer fuse 10a
• Dimmer/ rear compartment lid release switch
• Driver door input
• Driver door jamb switch
• Electronic prndl module
• G191 (at left side of engine compt, near strut tower)
• G300 (under center console)
• G304 (at left side of engine compt, near strut tower)
• Hazard switch
• Head
• Headlamp switch
• Hot at all times
• Hvac control module (at lower center of dash)
• I/p compartment lamp
• Instrument panel cluster (ipc)
• Lcd dim sig
• Left heated seat/ fog lamp switch
• Left i/p fuse block (behind left kick panel)
• Park
• Park lamp sw sig
• Radio
• Rear compartment lamp
• Rear compartment lid ajar/ release actuator (at center rear of rear compt lid)
• Rear compt lid ajar sw sig
• Right heated seat/ traction switch
• Right rear compartment diode
• Sedan
• Sp191
• Sp300
• To dome/ map lamp (diagram 2 of 2)
• To rear dome lamp (diagram 2 of 2)
• Underhood fuse block (left side of engine compartment)
• Wagon

Interior Lights Wiring Diagram (2 of 2) for Saturn L300 2004

List of elements for Interior Lights Wiring Diagram (2 of 2) for Saturn L300 2004:

• A12
• Body control module (bcm) (mounted to top of glove box)
• Courtesy lamps low ctrl
• Dome lamp
• Door
• From left i/p a fuse block (diagram 1 of 2)
• From left i/p fuse block (diagram 1 of 2)
• Front passenger door jamb switch
• G300 (under center console)
• Left map lamp
• Left rear door jamb switch
• Left vanity lamp (if equipped)
• Mirror map lamp (w/ onstar) (if equipped)
• Passenger door ajar sw sig
• Rear dome lamp (wagon)
• Right map lamp
• Right rear door jamb switch
• Right vanity lamp (if equipped)
• S308
• Sp300
• Wagon

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 4) for Saturn L300 2004

List of elements for Power Distribution Wiring Diagram (1 of 4) for Saturn L300 2004:

• (2.2l)
• (3.0l)
• (base)
• (behind left kick panel) left i/p fuse block
• (in fuel injector harness) s139
• (left side of engine compt) underhood fuse block
• (premium)
• 2.2l
• 3.0l
• A c1
• A c6
• A10
• Abs/ traction control module
• Acc
• Automatic transmission
• B10
• B11
• B12
• Backup lamp switch (2.2l)
• Backup/ turn fuse 10a
• Battery
• Bcm/ecm/ cruise fuse 10a
• Body control module (bcm)
• Btsi/bcm/ mirror fuse 10a
• C1 b2
• C1 d
• C10
• C100
• C2 b
• C2 b9
• C3 a7
• C4 e10 a6
• C7 b
• Control module (tcm)
• Controls ign 1 fuse 10a
• Coolant level switch
• Cruise brake switch
• Cruise control module (ccm) (2.2l)
• Cruise on/off switch
• Cruise switch fuse 2a
• D10
• D11
• Driver seat
• E10
• E11
• E12
• Eis fuse 10a (2.2l)
• Engine control module (ecm) (3.0l)
• Evaporative emission (evap) canister purge solenoid
• F10
• From ignition switch (diagram 1 of 4)
• Front heated oxygen sensor 2
• Front passenger seat
• Front wiper relay
• Fuel injection
• Fusible link (10 ga- red)
• G12
• Generator
• H11
• Hazard switch
• Head lamp relay
• Heated seat fuse 20a
• Ign 0/3/cr fuse 30a
• Ign 1 fuse 10a
• Ign 1/2 fuse 30a
• Ign fuse 15a (3.0l)
• Ignition control module (icm)
• Ignition control module (icm) bank 1
• Ignition control module (icm) bank 2
• Ignition switch
• Inflatable restraint sensing & diagnostic module (sdm)
• Inflatable restraint steering wheel module coil
• Injector fuse 10a (2.2l (vin f))
• Inside rearview mirror switch
• Instrument panel cluster (ipc)
• Left i/p fuse block (behind left kick panel)
• Lock
• Off
• Outside rearview mirror switch
• Park neutral position (pnp) switch
• Park/ neutral position (pnp) switch
• Parklock switch/ btsi solenoid
• Pnk
• Pnk e
• Powertrain control module (pcm)
• Radio
• Radio fuse 10a
• Rear heated oxygen sensor (ho2s)
• Rear wiper motor
• Rear wiper relay
• Rear wiper/ sunroof fuse 20a
• Red
• Right i/p fuse block (behind right kick panel)
• Run
• Sedan
• Start
• Starter
• Sunroof module
• To left i/p fuse block (lipfb) (diagram 4 of 4)
• To right i/p fuse block (diagram 1 of 4)
• To underhood fuse block (diagram 3 of 4)
• To window/sunroof fuse (underhood fuse block) (diagram 2 of 4)
• Transmission
• Underhood fuse block (left side of engine compt)
• Wagon
• Window relay
• Windshield wiper motor
• Windshield wiper/ washer switch
• Wiper fuse 25a

Power Distribution Wiring Diagram (2 of 4) for Saturn L300 2004

List of elements for Power Distribution Wiring Diagram (2 of 4) for Saturn L300 2004:

• (2.2l)
• (3.0l)
• (in fuel injector harness) s140
• (left side of engine compt) underhood fuse block
• A/c relay
• A10
• Abs 1 fuse 30a
• Abs 2 fuse 30a
• Brake fuse 15a
• C3 a7
• C7 b
• Controls b+ fuse 10a
• Cool fan 1 fuse 30a
• Cool fan 2 fuse 30a
• Cooling fan control module
• E10
• Electronic brake/ traction control module (ebtcm)
• Engine cntl 1 fuse 10a (3.0l)
• Engine cntl 2 fuse 10a (3.0l)
• Engine cntl 3 fuse 10a (3.0l)
• Engine control module (ecm)
• Engine control module (ecm) (3.0l)
• Evaporative emission (evap) canister purge solenoid
• F11
• From ign a 0/3/cr fuse (underhood fuse block) diagram 1 of 4)
• Fuel injector 1
• Fuel injector 2
• Fuel injector 3
• Fuel injector 4
• Fuel injector 5
• Fuel injector 6
• Fuel pump fuse 15a
• Fuel pump relay
• H11
• Hazard fuse 15a
• Hazard switch
• Heated oxygen sensor (ho2s) bank 1 sensor 1
• Heated oxygen sensor (ho2s) bank 2 sensor 1
• Heated oxygen sensor (ho2s) bank 2 sensor 2
• Heated oxygen sensor bank 1
• Horn fuse 10a
• Horn relay
• Hvac blower fuse 40a
• Intake manifold runner control (imrc) solenoid
• K11
• Left i/p fuse block (behind left kick panel)
• Main relay (3.0l)
• Mass air flow (maf) sensor
• Nca
• Powertrain control module (pcm) (2.2l)
• Rear defog fuse 25a
• Red
• Right i/p fuse block (behind right kick panel)
• Sensor 2
• Stoplamp switch
• Sunroof module
• To ign 3 relay (diagram 4 of 4)
• To l hdlp fuse (underhood fuse block) (diagram 3 of 4)
• To rear defog relay (diagram 4 of 4)
• Transmission control module (tcm) (3.0l)
• Wdo/ sunrf circuit breaker 30a
• Window relay

Power Distribution Wiring Diagram (3 of 4) for Saturn L300 2004

List of elements for Power Distribution Wiring Diagram (3 of 4) for Saturn L300 2004:

• A nca
• A/c fuse 10a
• A/c relay
• A/t shift lock control solenoid assembly
• Audio amplifier
• Aux pwr fuse 20a
• Auxiliary power outlet (under center console)
• Bcm 2 fuse 10a
• Bcm/ cluster fuse 15a
• Body control module (bcm)
• Body fuse 10a
• C1 b1
• C11
• C12
• Cd/dlc fuse 15a
• Cigar lighter
• Data link connector (dlc)
• Door lock relay
• Door locks fuse 15a
• Door unlock relay
• Driver door lock switch
• Driver door unlock relay
• Driver seat adjuster switch
• Drl relay
• E11
• Electronic prndl
• Evaporative emission (evap) canister vent solenoid
• F10
• F12
• Fog lamp fuse 10a
• Fog lamp relay
• From hvac blower fuse g (underhood fuse block) diagram 2 of 4)
• From ignition switch (diagram 1 of 4)
• Front passenger door lock switch
• G305 (under center console)
• High beam
• Ign 0 fuse 10a
• Instrument panel cluster (ipc)
• Left headlamp assembly
• Left i/p fuse block (behind left kick panel)
• Liftgate key cylinder (wagon)
• Lighter fuse 20a
• Low beam
• Lt headlamp fuse 10a
• Mirror relay
• Nca
• Park lamp fuse 10a
• Park lamp relay
• Park/neutral position (pnp) switch
• Power seat fuse 20a
• Powertrain control module (pcm) (2.2l)
• Prem amp fuse 15a
• Premium
• Radio
• Radio fuse 10a
• Rear compart- ment lid release/ dimmer switch
• Right headlamp assembly
• Right i/p fuse block (behind right kick panel)
• Rt headlamp fuse 10a
• Rt ip batt fuse 30a
• Underhood fuse block (left side of engine compt)
• Vehicle communication interface module (vcim)

Power Distribution Wiring Diagram (4 of 4) for Saturn L300 2004

List of elements for Power Distribution Wiring Diagram (4 of 4) for Saturn L300 2004:

• A/c relay
• A11
• A12
• B12
• C12
• Defog fuse 10a
• E11
• E12
• F12
• From hvac blower fuse (diagram 2 of 4)
• From left i/p fuse block (diagram 2 of 4)
• From right i/p fuse block (diagram 1 of 4)
• H12
• Hvac control module
• Ign 3 fuse 10a
• Ign 3 fuse 10a (2.2l)
• Ign3 relay
• K11
• K12
• Left heated seat/fog lamp switch
• Left i/p fuse block (behind left kick panel)
• Mirror relay
• Rear defog relay
• Rear defogger grid
• Right heated seat/traction switch
• Right i/p fuse block (behind right kick panel)
• Tan
• Underhood fuse block (left side of engine compt)

POWER DOOR LOCKS

Power Door Locks Wiring Diagram for Saturn L300 2004

List of elements for Power Door Locks Wiring Diagram for Saturn L300 2004:

• (behind right kick panel) right i/p fuse block
• A12
• Battery
• Bcm 2 fuse 10a
• Bcm/ cluster fuse 15a
• Body control module (bcm) (mounted to top of glove box)
• Body fuse 10a
• C1 d9
• C12
• C2 a2
• C3 c2
• Decklid ajar in
• Dimmer/ rear compartment lid release switch (sedan)
• Door lock relay
• Door lock rly ctrl
• Door locks fuse 10a
• Door unlock relay
• Driver door jamb switch
• Driver door lock actuator (at rear of driver door)
• Driver door lock switch
• Driver door unlock relay
• Driver unlock rly ctrl
• F12
• Front passenger door lock actuator (at rear of front passenger door)
• Front passenger door lock switch
• G191 (at left side of engine compt, near strut tower)
• G300 (under center console)
• G401 (at left rear of vehicle, near left taillight assembly)
• G464 (in top of liftgate)
• Ground
• Hot at all times
• Interior lights system
• Left front jamb sw in
• Left i/p fuse block (behind left kick panel)
• Left rear door jamb switch (at left "b" pillar)
• Left rear door lock actuator
• Liftgate key cylinder (wagon)
• Liftgate release actuator (at center of liftgate)
• Lock
• Lock sw in
• Other dr unlk rly ctrl
• Other jamb sw in
• Rear compartment lid ajar/release actuator (at center rear of rear compartment lid)
• Release sw in
• Right front door jamb switch
• Right i/p fuse block (behind right kick panel)
• Right rear door jamb switch (at right "b" pillar)
• Right rear door lock actuator
• Sedan
• Sp191
• Sp401
• Sp464
• Tan
• Trunk release ctrl
• Trunk/liftgate
• Underhood fuse block (left side of engine compt)
• Unlock
• Unlock sw in
• Wagon

POWER MIRRORS

Electrochromic Mirror Wiring Diagram for Saturn L300 2004

List of elements for Electrochromic Mirror Wiring Diagram for Saturn L300 2004:

• Acc volt
• Ambient light sensor
• Automatic day-night mirror element
• Automatic day-night mirror low ref
• Automatic day-night mirror sig
• Btsi/bcm/ mirror fuse 10a
• Compass ind
• Courtesy lamps
• Exterior lights system
• G300 (under center console)
• Ground
• Hot in run or acc
• Ign
• Inside rearview mirror
• Interior lights system
• Keypad signal
• Led sig
• Left i/p fuse block (behind left kick panel)
• Logic
• Magnetic field sensor
• Power distribution system
• S308
• Sensor signal
• Sp300
• Vehicle communication interface module (vcim) (wagon: rear of passenger compt, under load floor) (sedan: under rear shelf)

Power Mirror Wiring Diagram for Saturn L300 2004

List of elements for Power Mirror Wiring Diagram for Saturn L300 2004:

• B12
• Btsi/bcm mirror fuse 10a
• C1 f1
• C12
• C2 a1
• Defogger system
• Driver
• Driver outside rearview mirror
• Front passenger outside rearview mirror
• G300 (under center console)
• G304 (at left side of engine compartment)
• Hot in run or acc
• Left i/p fuse block (behind left kick panel)
• Nca
• Outside rearview mirror switch
• Passenger
• Power distribution system
• Right/ left motor
• Sp300
• Up/ down motor

POWER SEATS

Heated Seats Wiring Diagram for Saturn L300 2004

List of elements for Heated Seats Wiring Diagram for Saturn L300 2004:

• A10
• C11 c2
• D11
• Driver heated seat back element
• Driver heated seat cushion element
• Driver seat
• E10 c1
• E12
• F1 c1
• F10
• F12
• Front passenger heated seat back element
• Front passenger heated seat cushion element
• Front passenger seat
• G300 (under center console)
• G304 (at left side of engine compt, near strut tower)
• Heated seat fuse 20a
• Heater control unit
• Hot in run
• Ign 3 fuse 10a
• Left heated seat/fog lamp switch
• Left i/p fuse block (behind left kick panel)
• Nca
• Off
• Pnk
• Right heated seat/traction switch
• Right i/p fuse block (behind right kick panel)
• Sp300

Power Seat Wiring Diagram for Saturn L300 2004

List of elements for Power Seat Wiring Diagram for Saturn L300 2004:

• Back
• Driver seat adjuster switch
• Driver seat horizontal motor
• Driver seat recline motor
• Driver seat vertical motor
• Fwd
• G300 (under center console)
• Hot at all times
• Power seat fuse 20a
• Right i/p fuse block (behind right kick panel)
• Sp300

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagram for Saturn L300 2004

List of elements for Power Top/Sunroof Wiring Diagram for Saturn L300 2004:

• (2.2l)
• (3.0l)
• B12
• Battery
• Close
• G300 (under center console)
• Ground
• Hot at all times
• Hot in run or acc
• Ignition
• Limit switch
• Logic
• Open/ vent
• Rear wiper/ sunroof fuse 20a
• Red
• Right i/p fuse block (behind right kick panel)
• S308
• Sp300
• Sunroof module (at front center of roof, under headliner)
• Sunroof switch
• Underhood fuse block (left side of engine compt)
• Vent/close
• Vent/open
• Window/ sunroof circuit breaker 30a

POWER WINDOWS

Power Windows Wiring Diagram for Saturn L300 2004

List of elements for Power Windows Wiring Diagram for Saturn L300 2004:

• Acc
• B10
• C10
• C3 (2.2l)
• C7 (3.0l)
• D11
• Down
• Driver window motor (at center of driver door)
• Driver window switch
• Express logic
• Front passenger window motor (at center of front passenger door)
• Front passenger window switch
• G300 (under center console)
• Ground distribution system
• H11
• H12
• Hot at all times
• Ign 1/2 fuse 30a
• Ignition switch
• K11
• K12
• Left front
• Left i/p fuse block (behind left kick panel)
• Left rear
• Left rear window motor
• Left rear window switch
• Lock
• Off
• Power window relay
• Rear window lockout switch
• Red
• Right front
• Right i/p fuse block (behind right kick panel)
• Right rear
• Right rear window motor
• Right rear window switch
• Run
• Sp300
• Start
• Underhood fuse block (left side of engine compt)
• Wdo/sun rf/ circuit breaker 30a

RADIO

Base Radio Wiring Diagram for Saturn L300 2004

List of elements for Base Radio Wiring Diagram for Saturn L300 2004:

• A10
• A11
• A12
• Acc volt
• Antenna
• B10
• B11
• B12
• C11
• Coax
• Exterior lights system
• G191 (at left side of engine compt, near strut tower)
• Ground
• Hot at all times
• Hot in run or acc
• Inst sup volt
• Interior lights system
• Left front tweeter speaker
• Left front woofer speaker
• Left i/p fuse block (behind left kick panel)
• Left rear speaker
• Lf spk out +
• Lf spk out -
• Lr spk out+
• Lr spk out-
• Park lmp volt
• Radio
• Radio antenna
• Radio fuse 10a
• Rf aud sig+
• Rf aud sig-
• Right front tweeter speaker
• Right front woofer speaker
• Right rear speaker
• Rr spk out +
• Rr spk out -
• Tan
• Underhood fuse block (left side of engine compt)

Premium Sound Radio Wiring Diagram, with Video Entertainment (1 of 2) for Saturn L300 2004

List of elements for Premium Sound Radio Wiring Diagram, with Video Entertainment (1 of 2) for Saturn L300 2004:

• (not used)
• A10
• A11
• A12
• Acc volt
• Access voltage
• Accessory voltage
• Amp present sig
• Antenna
• Audio/video interface (avi) module (behind center of dash)
• B10
• B11
• B12
• Bare
• Cd batt in
• Cd rap sup volt
• Coax
• Drain wire
• Dvd aud sig-
• Dvd serial data sig
• Ground
• Ignition voltage
• Inst lmp sup b+
• Inst sup volt
• L dvd aud sig+
• Left dvd aud sig+
• Lf spk out +
• Lf spk out -
• Lf spk out+
• Lf spk out-
• Lr spk out+
• Lr spk out-
• Mute sig
• Nca
• Park lmp sup volt
• Park lmp volt
• Pnk
• R aud/vid/hvac b+
• R aud/vid/hvac gnd
• R dvd aud sig+
• Radio
• Rear aud/vid/hvac
• Rear aud/vid/hvac gnd
• Red
• Rf spk out+
• Rf spk out-
• Right dvd aud sig+
• Rr spk out +
• Rr spk out -
• Rr spk out+
• Rr spk out-
• Serial data
• Shield
• Spk sup volt
• Sup volt
• Tan
• Ves overhead console module
• Video signal+
• Video signal-

Premium Sound Radio Wiring Diagram, with Video Entertainment (2 of 2) for Saturn L300 2004

List of elements for Premium Sound Radio Wiring Diagram, with Video Entertainment (2 of 2) for Saturn L300 2004:

• (at left side of engine compt, near strut tower)
• A10
• A11
• A12
• Acc volt
• Accessory voltage
• Amplifier sig
• Aud enable sig
• Audio amplifier (behind upper left side of dash)
• Audio/video interface (avi) module (behind center of dash)
• B+ voltage
• B10
• B11
• B12
• Bare
• C11
• Cd/dlc fuse 15a
• Class 2 serial data
• Dim signal
• Dvd aud sig-
• Dvd player
• Exterior lights system
• G191
• G300 (under center console)
• Gnd
• Ground
• Hot at all times
• Hot in run or acc
• I/p batt rt fuse 30a
• Interior lights system
• Left dvd aud sig+
• Left front tweeter speaker
• Left front woofer speaker
• Left i/p fuse block (behind left kick panel)
• Left rear speaker
• Lf spkr out+
• Lf spkr out-
• Lmp sup volt
• Lr spk out+
• Lr spkr out+
• Lr spkr out-
• Nca
• Park lmp sup volt
• Pnk
• Prem amp fuse 15a
• R vid/aud/hvac ground
• R vid/aud/hvac sup volt
• Radio fuse 10a
• Red
• Rf spkr out+
• Rf spkr out-
• Right dvd aud sig+
• Right front tweeter speaker
• Right front woofer speaker
• Right i/p fuse block (behind right kick panel)
• Right rear speaker
• Rr spk out+
• Rr spkr out+
• Rr spkr out-
• Serial data
• Shield
• Sp191
• Sp300
• Spk sup volt
• Sub wf out+
• Sub wf out-
• Subwoofer speaker
• Tan
• Underhood fuse block (left side of engine compt)
• Video signal+
• Video signal-

Premium Sound Radio Wiring Diagram, without Video Entertainment for Saturn L300 2004

List of elements for Premium Sound Radio Wiring Diagram, without Video Entertainment for Saturn L300 2004:

• A10
• A11
• A12
• Acc volt
• Amp ctrl
• Amp pre sig
• Antenna
• Audio amplifier (behind upper left side of dash)
• Audio common
• B10
• B11
• B12
• Bare
• C11
• Cell mute sig
• Coax
• Drain wire
• Exterior lights system
• G191 (at left side of engine compt, near strut tower)
• G300 (under center console)
• Ground
• Hot at all times
• Hot in run or acc
• I/p batt rt fuse 30a
• Inst sup volt
• Interior lights system
• Left aud sig+
• Left front tweeter speaker
• Left front woofer speaker
• Left i/p fuse block (behind left kick panel)
• Left rear speaker
• Lf spk out +
• Lf spk out -
• Lf spkr out+
• Lf spkr out-
• Lr spk out+
• Lr spk out-
• Lr spkr out+
• Lr spkr out-
• Nca
• Park lmp volt
• Pre sig
• Prem amp fuse 15a
• Radio
• Radio antenna
• Radio fuse 10a
• Rf aud sig+
• Rf aud sig-
• Rf spkr out+
• Rf spkr out-
• Right aud sig+
• Right front tweeter speaker
• Right front woofer speaker
• Right i/p fuse block (behind right kick panel)
• Right rear speaker
• Rr spk out +
• Rr spk out -
• Rr spk out+
• Rr spkr out+
• Rr spkr out-
• Sp300
• Sub out+
• Sub out-
• Subwoofer speaker
• Tan
• Underhood fuse block (left side of engine compt)
• Vehicle communication interface module (vcim) (sedan: under rear shelf) (wagon: rear of passenger compt, under load floor)

SHIFT INTERLOCK

2.2L VIN F

2.2L VIN F, Shift Interlock Wiring Diagram for Saturn L300 2004

List of elements for 2.2L VIN F, Shift Interlock Wiring Diagram for Saturn L300 2004:

• (at left side of engine compartment, near strut tower) g304
• A/t shiftlock control solenoid
• A10
• A12
• Acc voltage
• Automatic transmission shiftlock actuator
• B1 btsi relay control c1
• B10
• B12
• Body control module (bcm) (mounted to top of glove box)
• Brake fuse 15a
• Btsi/bcm/ mirror fuse 10a
• C12
• C3 c3
• Class ii serial data
• Computer data lines system
• D11
• D12
• E11
• E12
• Electronic prndl module
• F10
• G118 (on front of engine block, above starter)
• Gnd
• Hot at all times
• Hot in acc, run or start
• Hot in run or acc
• Ign 0 fuse 10a
• Ignition lock cylinder control switch
• Ignition lock cylinder solenoid (at top right of steering column)
• Left i/p fuse block (behind left kick panel)
• Park neutral position (pnp) switch (at top of transmission)
• Power distribution system
• Powertrain control module (pcm) (at right rear corner of engine compartment)
• Sig a
• Sig b
• Sig c
• Sig p
• Signal a
• Signal b
• Signal c
• Signal p
• Sp120 (at rear of engine compartment, taped to engine harness)
• Stop lamp switch (on brake pedal bracket)
• Stoplamp sw sig class ii serial data
• Underhood fuse block (left side of engine compartment)
• Underhood fuse block (left side of engine compartment)
• Underhood fuse block (left side of engine compt)

3.0L VIN R

3.0L VIN R, Shift Interlock Wiring Diagram for Saturn L300 2004

List of elements for 3.0L VIN R, Shift Interlock Wiring Diagram for Saturn L300 2004:

• A/t shiftlock control solenoid
• A10
• A12
• Acc voltage
• Automatic transmission shiftlock actuator
• B1 btsi relay ctrl
• B11
• B12
• Body control module (bcm) (mounted to top of glove box)
• Brake fuse 15a
• Btsi/bcm/ mirror fuse 10a
• Can high
• Can low
• E11
• Electronic prndl module
• Engine control module (ecm) (on top right rear of engine)
• F10
• F11
• G304 (at left side of engine compt, near strut tower)
• Gnd
• Hot at all times
• Hot in acc run or start
• Hot in run or acc
• Ign 0 fuse 10a
• Ignition lock cylinder control switch
• Ignition lock cylinder solenoid (at top right of steering column)
• Left i/p fuse block (behind left kick panel)
• Park neutral position (pnp) switch (at top of transmission)
• Power distribution system
• Sig a
• Sig b
• Sig c
• Sig p
• Signal a
• Signal b
• Signal c
• Signal p
• Stop lamp switch (on brake pedal bracket)
• Stop sw sig
• Tan
• Transmission control module (tcm)
• Underhood fuse block (left side of engine compartment)
• Underhood fuse block (left side of engine compt)

STARTING/CHARGING

Charging Wiring Diagram for Saturn L300 2004

List of elements for Charging Wiring Diagram for Saturn L300 2004:

• (2.2l)
• (at front left side of transmission)
• (at lower left rear of engine) starter
• (class ii)
• 2.2l
• 3.0l
• A12
• B10
• B11
• Battery
• Battery ind
• Body control module (bcm) (mounted to top of glove box)
• Can high
• Can low
• Class 2 (pcm/ecm)
• Computer data lines system
• Engine control module (ecm) (3.0l) (on top right rear of engine)
• F8 pnk
• Fusible link (10 ga-red)
• G107 (at left front corner of engine compt, near battery)
• G113
• Gen term f output
• Gen term l out
• Gen term l output
• Generator
• Hot in run or start
• Ign 1 fuse 10a
• Instrument panel cluster (ipc)
• Logic
• Pnk
• Power distribution system
• Powertrain control module (pcm) (at right rear corner of engine compartment)
• Red
• Serial data
• Serial data (class ii)
• Tan
• Underhood fuse block (left side of engine compartment)

Starting Wiring Diagram for Saturn L300 2004

List of elements for Starting Wiring Diagram for Saturn L300 2004:

• Acc
• Armature m
• Battery
• C1 c
• Fusible link (10 ga-red)
• G107 (at left front corner of engine compt, near battery)
• G113 (at front left side of transmission)
• Generator
• Hold-in windings
• Ign o/3/cr fuse 30a
• Ignition switch
• Lock off
• Park neutral position (pnp) switch (at top of transmission)
• Pull-in windings
• Red
• Run
• Start
• Starter
• Underhood fuse block (left side of engine compartment)

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram for Saturn L300 2004

List of elements for Supplemental Restraints Wiring Diagram for Saturn L300 2004:

• (2.2l)
• (3.0l)
• (lower left side of dash) data link connector
• 2.2l
• 3.0l
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• A17
• A18
• Air bag ind
• B tan
• B10
• Body control module (bcm) (left of i/p, behind glove box)
• D10
• Driver seat belt switch (in driver's seat belt buckle)
• G303 (under center console)
• Ground
• Hot in run & crank
• I/p cluster
• Ign 1
• Ign 1 fuse 10a
• Inflatable restraint i/p module
• Inflatable restraint sensing & diagnostic module (sdm) (under rear of floor console)
• Inflatable restraint steering wheel module
• Left inflatable restraint side impact module
• Left inflatable restraint side impact sensor (on lower left "b" pillar)
• Left satellite in
• Left satellite out
• Left side mod hi
• Left side mod lo
• Module hi
• Module lo
• Nca
• Pnk
• Power distribution system
• Powertrain control module (right rear of eng compt) c1
• Return
• Right inflatable restraint side impact module
• Right inflatable restraint side impact sensor (on lower right "b" pillar)
• Right satellite in
• Right satellite out
• Right side mod hi
• Right side mod lo
• Roll connector
• Serial data class 2
• Shorting bar
• Switch hi
• Switch lo
• Tan
• Twisted pair wires
• Underhood fuse block (uhfb) (left side of engine compartment)

TRANSMISSION

2.2L VIN F

2.2L VIN F, A/T Wiring Diagram for Saturn L300 2004

List of elements for 2.2L VIN F, A/T Wiring Diagram for Saturn L300 2004:

• (at left side of eng compt, near strut tower)
• (left side of engine compt) underhood fuse block
• +5v
• 1-2 shift sol
• 1-2 ss
• 2-3 shift sol
• 2-3 ss
• A10 c3
• A12
• A4 c4
• Automatic transaxle
• Automatic transaxle fluid pressure switch assembly
• Automatic transmission output shaft speed sensor (right side of transaxle)
• B11
• B12
• Back lighting
• Battery
• Brake fuse 15a
• Brake sw in
• C11 c4
• C12
• C3 a6
• Code a in
• Code a input
• Code b in
• Code b input
• Code c in
• Code c input
• Computer data lines system
• Controls b+ fuse 10a
• Controls ign 1 fuse 10a
• D11
• D12
• Dlc
• Drive
• E11
• E12
• Ect sig
• Electronic prndl module
• Engine coolant temperature sensor (on thermostat housing)
• Exterior lights system
• F10
• G114 (at left front corner of eng compt, near battery)
• G118 (on front of eng block, above starter)
• G304
• Ground
• Hot at all times
• Hot in run accy or start
• Hot in run or start
• Ign 0
• Ign 0 fuse 10a
• Ign 1
• Ignition
• Input shaft speed sensor
• Interior lights system
• Left instrument panel fuse block (behind left kick panel)
• Oss sens hi
• Oss sens lo
• Parity in
• Parity input
• Park neutral position switch (at top of transaxle)
• Pcs sol
• Pnk
• Powertrain control module (at right rear of eng compt)
• Pressure control solenoid
• Red
• Return
• Rev,d1,d2
• Splice pack (sp120) (at left rear of eng compt, taped to eng harn)
• Stoplamp switch (on brake pedal bracket)
• Tcc press
• Tcc sol
• Tfp b input
• Tfp c input
• Tft sense
• Throttle position sensor (on throttle body)
• Tp signal
• Transaxle fluid temp sensor
• Tss sens hi
• Tss sens lo
• Underhood fuse block (left side of engine compt)

3.0L VIN R

3.0L VIN R, A/T Wiring Diagram for Saturn L300 2004

List of elements for 3.0L VIN R, A/T Wiring Diagram for Saturn L300 2004:

• (at front left side of transmission)
• (left side of engine compt) underhood fuse block
• (top right rear of engine) engine control module
• 1-2 shift sol
• 1-2 ss
• 2-3 shift sol
• 2-3 ss
• A10 c3
• A12
• A6 c3
• A9 c4
• Automatic transaxle
• Automatic transaxle fluid pressure switch assembly
• Automatic transaxle fluid temp sensor
• B12
• B7 c2
• Back lighting
• Battery
• Brake fuse 15a
• Brake sw in
• Brake transmission shift interlock switch
• C11
• Code a in
• Code a input
• Code b in
• Code b input
• Code c in
• Code c input
• Controls b+ fuse 10a
• Controls ign 1 fuse 10a
• Data link connector (lower left side of dash)
• Dlc
• Drive
• E11
• E9 c1
• Electronic prndl module
• Exterior lights system
• F10
• F11
• F9 c4
• G110
• G304 (near left strut tower)
• Ground
• Hot at all times
• Hot in run accy or start
• Hot in run or start
• Ign 0 fuse 10a
• Ign 1
• Ign out
• Ignition
• Input shaft speed sensor
• Interior lights system
• Left i/p fuse block (behind left kick panel)
• Left instrument panel fuse block (behind left kick panel)
• Oss sens hi
• Oss sens lo
• Output shaft speed sensor (right side of transaxle)
• Parity input
• Park/neutral position switch (top of transaxle)
• Pcs sol
• Pnk
• Pressure control solenoid
• Red
• Return
• Rev,d1,d2
• Stoplamp switch (on brake pedal bracket)
• Tan
• Tcc press
• Tcc sol
• Tcm can hi
• Tcm can lo
• Tfp b input
• Tfp c input
• Tft sense
• Transmission control module (right side of eng compt, near strut tower)
• Trs in
• Tss sens hi
• Tss sens lo
• Underhood fuse block (left side of engine compt)

TRUNK, TAILGATE, FUEL DOOR

Trunk Release Wiring Diagram for Saturn L300 2004

List of elements for Trunk Release Wiring Diagram for Saturn L300 2004:

• Battery
• Bcm 2 fuse 10a
• Bcm/cluster fuse 15a
• Body control module (bcm) (mounted to top of glove box)
• Body fuse 10a
• C12
• Dimmer/ rear compartment lid release switch (sedan)
• E11
• Engine controls system
• F12
• G401 (at left rear of vehicle, near left taillight assembly)
• G464 (in top of liftgate)
• Ground distribution system
• Hot at all times
• Interior lights system
• Left i/p fuse block (behind left kick panel)
• Liftgate ajar switch (at center of liftgate)
• Liftgate key cylinder (wagon)
• Liftgate release actuator (at center of liftgate)
• Power distribution system
• Rear comp lid ajar sw sig
• Rear compartment lid ajar/ release actuator (at center rear of rear compt lid)
• Right i/p fuse block (behind right kick panel)
• Sedan
• Sp401
• Sp464
• Trunk release enable relay sw
• Trunk/liftgate release sw sig
• Underhood fuse block (left side of engine compt)
• Wagon

WARNING SYSTEMS

Warning Systems Wiring Diagram for Saturn L300 2004

List of elements for Warning Systems Wiring Diagram for Saturn L300 2004:

• (ign)
• A10
• A11
• A15
• A16
• Auto
• B10
• Battery
• Bcm 2 fuse 10a
• Bcm/ cluster fuse 15a
• Bcm/ecm cruise fuse 10a
• Body control module (bcm) (mounted to top of glove box)
• Chime
• Class 2 (sdm)
• Class 2 data
• Computer data lines system
• Driver door jamb switch
• Driver seat belt switch
• E11
• G191 (at left side of engine compt, near strut tower)
• G304 (at left side of engine compt, near strut tower)
• Ground
• Head
• Head lamp/ turn signal switch
• Hot at all times
• Hot in run or start
• Ignition
• Ignition switch (key minder)
• Inflatable restraint sensing & diagnostic module (sdm) (at center of vehicle, under center console)
• Instrument panel cluster (ipc)
• Key in ign sw
• Left i/p fuse block (behind left kick panel)
• Left seat belt sw
• Logic
• Low reference
• Lt fnt door ajar
• Nca
• Park
• Park brake sw sig
• Park brake switch
• Park lamp fuse 10a
• Park lamp relay
• Park lamp volt
• Park lp rly ctrl
• Park lp sw ctrl
• Pnk
• Seat belt ind
• Serial data
• Sp191
• Underhood fuse block (left side of engine compartment)

WIPER/WASHER

Wiper/Washer Wiring Diagram for Saturn L300 2004

List of elements for Wiper/Washer Wiring Diagram for Saturn L300 2004:

• (at left side of engine compt, near strut tower) g304
• (left side of engine compt) underhood fuse block
• A11
• B11
• B12
• Body control module (bcm) (mounted to top of glove box)
• C2 (2.2l)
• C2 (3.0l)
• Class 2 (bcm)
• D12
• E11
• E12
• F12
• Front washer switch
• Front wiper rly ctrl
• G103 (at left front of engine compt, near windshield washer fluid tank)
• G11
• G118 (on front of engine block, above starter)
• G12
• G464 (in top of liftgate)
• High
• Hot in acc or run
• Hot in run or start
• Ign 1 fuse 10a
• Instrument panel cluster (ipc)
• Int
• Int switch
• Left i/p fuse block (behind left kick panel)
• Logic
• Low
• Low ref
• Mist
• Off
• Pnk
• Rear washer switch
• Rear window washer pump ctrl
• Rear window wiper sw
• Rear wiper motor (in center of liftgate, behind trim)
• Rear wiper relay
• Rear wiper rly ctrl
• Rear wiper switch
• Rear wiper/ sunroof fuse 20a
• Red
• Right i/p fuse block (behind right kick panel)
• Sedan
• Sp103 (at left front corner of engine compt, near battery)
• Sp464
• Wagon
• Washer fluid level sig
• Washer fluid low ind
• Washer pump ctrl
• Windshield washer fluid level switch (at left front corner of engine compt)
• Windshield washer fluid pump (at left front corner of engine compt)
• Windshield wiper motor (at left rear of engine compt)
• Windshield wiper/washer switch
• Wiper fuse 25a
• Wiper relay
• Wiper sw pulse/ delay sig
• Wiper sw sig 2