Learn about Chrysler 300/300C (Mk1/LX) 2005-2010 fuse box and relay’s locations, functions, and maintenance tips for optimal vehicle electrical system.

The Chrysler 300/300C (Mk1/LX) from 2005-2010 offers bold styling with both sedan and station wagon body styles. Its standout features include a powerful V6 or V8 engine, premium interior finishes, and advanced technology like navigation and premium sound systems. These systems rely heavily on the vehicle’s electrical setup, managed by the fuse box and relays.

The fuse box, located in the engine compartment and cabin, protects critical systems such as lights, infotainment, and air conditioning from power surges. If a fuse blows, it cuts power to prevent damage to the affected circuit.

The relays in the Chrysler 300/300C control high-power components such as the fuel pump, radiator fan, and starter motor. A malfunctioning relay can lead to issues like engine starting problems or overheating, affecting overall vehicle performance.

Regular inspection and maintenance of the fuse box and relays ensure the vehicle’s features, such as its powerful engines and luxury amenities, run smoothly without unexpected electrical failures.

MUST READ: DYI – How to Check Car Fuses?

(2005-2010) Chrysler 300/300C (Mk1/LX) fuse box and relay with Diagram

WARNING

  • Never replace a fuse with one that has a higher amperage rating.
  • A fuse with a too-high amperage could damage the electrical part and cause a fire.
  • On no account should fuses be repaired (e.g. patched up with tin foil or wire) as this may cause serious damage elsewhere in the electrical circuit or cause a fire.
  • If a fuse blows repeatedly, do not keep replacing it. Instead, have the cause for the repeated short circuit or overload tracked and fixed.
  • Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Chrysler 300/300C (Mk1/LX) 2005-2010 fuse assignment

  • Cigar lighter (power outlet) fuses in the Chrysler 300 / 300C are the fuses №9 (Console Power Outlet), №16 (Power Outlet Trunk, if equipped) and №18 (Selectable Power Outlet) in the Rear Power Distribution Center (in the trunk).

Year of production: from 2005, 2006, 2007, 2008, 2009, 2010

Fuse box location

Front Power Distribution Center is located in the engine compartment:

chrysler 300 300c mk1 lx 2005 2010 20180226082642177

2005-2007

The location of the fuses in the engine compartment: Chrysler 300 / 300C (2008, 2009, 2010)
The location of the fuses in the engine compartment: Chrysler 300 / 300C (2008, 2009, 2010)

2008-2010

The location of the fuses in the trunk: Chrysler 300 / 300C (2005, 2006, 2007, 2008, 2009, 2010)
The location of the fuses in the trunk: Chrysler 300 / 300C (2005, 2006, 2007, 2008, 2009, 2010)

Rear Power Distribution Center is located in the trunk under the spare tire access panel.

chrysler 300 300c mk1 lx 2005 2010 20180226082622347
chrysler 300 300c mk1 lx 2005 2010 2018022608263110

Fuse box diagrams

2005

Front Power Distribution Center
Front Power Distribution Center (fuse box): Chrysler 300 / 300C (2005)
Front Power Distribution Center (fuse box): Chrysler 300 / 300C (2005)

Assignment of fuses in the Front Power Distribution Center (2005)

CavityAmp/ColorCircuits
120 Amp YellowLeft High Beam Headlight
220 Amp YellowRight High Beam Headlight
315 Amp Dk. BlueAdjustable Pedal
420 Amp YellowHorn
525 Amp ClearHeadlamp Washer — If Equipped
615 Amp Dk. BlueFront Control Module (FCM)
720 Amp YellowFog Lamp
815 Amp Dk. BluePark Lamp
915 Amp Dk. BlueNon ABS Brakes
105 Amp OrangeStarter
1115 Amp Dk. BlueAuto Shutdown/Powertrain Control Module (PCM)
12
13
1420 Amp YellowPowertrain Control Module
1520 Amp YellowInjectors, Ignition Coils
1620 Amp YellowPowertrain Control Module
1730 Amp PinkAntilock Brake System (ABS) Valves
1830 Amp PinkWindshield Wiper/Washer
1950 Amp RedRadiator Fan
2020 Amp Lt. BlueStarter
2150 Amp RedABS Pump Motor
2240 Amp GreenRadiator Fan High/Lovv
2350 Amp RedHigh Intensity Lighting
24
2530 Amp PinkLighting Left High Beam/ Right Low Beam
2620 Amp Lt. BlueTransmission
2730 Amp PinkLighting Left Low Beam/ Right High Beam
Rear Power Distribution Center
Rear Power Distribution Center (fuse box): Chrysler 300 / 300C (2005)
Rear Power Distribution Center (fuse box): Chrysler 300 / 300C (2005)

Assignment of fuses in the Rear Power Distribution Center (2005)

CavityAmp/ColorCircuits
160 Amp ClearIgnition Off Draw
240 Amp GreenBattery
3
440 Amp GreenBattery
530 Amp PinkHeated Seat/Steering Column
620 Amp YellowFuel Pump
7
815 Amp Dk. BlueIgnition Start/Run – Start
920 Amp YellowConsole Power Outlet
1010 Amp RedRear Fog Lamp — If Equipped
11*25 Amp C/BRKRMemory Module/Door Locks
12*25 Amp C/BRKRPassenger Power Seat
13*30 Amp C/BRKRDoor Module Run/Acc/Delay
1410 Amp RedSentry Key/Remote Keyless Entry/Cluster
1520 Amp YellowBrake Light (5.7L)
1620 Amp YellowPower Outlet Trunk – if equipped
17
1820 Amp YellowSelectable Power Outlet
1910 Amp RedStop Lamp
2020 Amp YellowRear Wiper — If Equipped
21
22
23
24
25
26
2710 Amp RedAirbag/Occupant Classification Module
2810 Amp RedCurtain Airbag – if equipped
295 Amp OrangeSentry Key/Remote Keyless Entry/Powertrain Control Module Ignition Feed
3010 Amp RedSteering Column Module/ Power Mirrors – if equipped
31
32
33
34
355 Amp OrangePower Antenna/Garage Door Opener/Ignition Delay
3620 Amp YellowRadio/Navigation
3715 Amp Dk. BlueTransmission
385 Amp OrangeAnalog Clock/Garage Door Opener
3910 Amp RedHeated Mirror
405 Amp OrangePower Mirror
4110 Amp RedClimate Control Module/ Headlamp Leveling — if equipped/Rear Park Assist — if equipped/Tire Pressure Monitoring — if equipped
4230 Amp PinkAutomatic Temperature Control (ATC) Blower Motor
4330 Amp PinkRear Defroster
4420 Amp Lt. BlueAudio Amplifier

* Cavities 11, 12, and 13 contain self-resetting fuses (circuit breakers) that are only serviceable by an authorized dealer.

2006, 2007

Front Power Distribution Center
Front Power Distribution Center (fuse box): Chrysler 300 / 300C (2006, 2007)
Front Power Distribution Center (fuse box): Chrysler 300 / 300C (2006, 2007)

Assignment of fuses in the Front Power Distribution Center (2006, 2007)

CavityCartridge FuseMini FuseDescription
120 Amp YellowLeft High Intensity Discharge (HID) Headlight – if equipped
220 Amp YellowRight High Intensity Discharge (HID) Headlight – if equipped
315 Amp BlueAdjustable Pedals – if equipped
420 Amp YellowAC Clutch/Horn
520 Amp YellowHeadlight Washer – If Equipped
615 Amp BlueFront Control Module (FCM)
720 Amp YellowFog Lights – if equipped
815 Amp BlueLights – License, Park, Side Marker, Stop. Turn
915 Amp BlueFront Control Module (FCM)
105 Amp OrangePowertrain Control Module (PCM)/Starter
1125 Amp ClearAuto Shutdown/ Powertrain Control Module (PCM)
12
13
1425 Amp ClearPowertrain Control Module (PCM)
1520 Amp YellowInjectors, Ignition Coils
16
1730 Amp PinkAnti-lock Brakes System (ABS) Valves – if equipped/Powertrain Control Module (PCM)
1830 Amp PinkWindshield Wiper/ Washer
1950 Amp — RedRadiator Fan
2020 Amp BlueStarter
2150 Amp — RedAnti-lock Brakes System (ABS) Pump Motor – if equipped
2240 Amp — GreenAC Clutch/Radiator Fan High — Low
2350 Amp — RedHigh Intensity Lighting (HID) – if equipped
2460 Amp YellowRadiator Fan – AWD
2530 Amp PinkFront Control Module (FCM)
2620 Amp — BlueTransmission – RLE
2730 Amp PinkFront Control Module (FCM)
Rear Power Distribution Center
Rear Power Distribution Center (fuse box): Chrysler 300 / 300C (2006, 2007)
Rear Power Distribution Center (fuse box): Chrysler 300 / 300C (2006, 2007)

Assignment of fuses in the Rear Power Distribution Center (2006, 2007)

CavityCartridge FuseMini FuseDescription
160 Amp YellowIgnition Off Draw (IOD)
240 Amp GreenBattery
3
440 Amp GreenBattery
530 Amp PinkHeated Seats – if equipped
620 Amp YellowFuel Pump
7
815 Amp BlueIgnition Switch/Airbag Control Module (ACM)
920 Amp YellowConsole Power Outlet
10
11*25 Amp C/BRKRCluster – without power memory seat/Driver Seat Switch – with power memory seat/Memory Module – if equipped
12*25 Amp C/BRKRPassenger Seat Switch
13*25 Amp C/BRKRDoor Modules – except base/ Driver Door Lock Switch – base/Driver Express Power Window Switch – if equipped/ Passenger Door Lock Switch – base
1410 Amp RedAC Heater Control/ Cluster/Sentry Key Remote Keyless Entry
1520 Amp YellowTrailer Tow Brake Module – if equipped
16
1720 Amp YellowCluster
1820 Amp YellowSelectable Power Outlet
1910 Amp RedStop Lights
20
21
22
23
24
25
26
2710 Amp RedAirbag/Airbag Control Module (ACM)
2810 Amp RedCurtain Airbag – if equipped
295 Amp OrangeAnti-lock Brakes Module – if equipped/Cluster/Front Control Module (FCM)/Powertrain Control Module (PCM)/Sentry Key Remote Keyless Entry/Stop Lights
3010 Amp RedDoor Modules/Power Mirrors – if equipped/ Steering Control Module
31
32
33
34
355 Amp OrangeAmplifier – if equipped/ Antenna/Ignition Delay/Overhead Console/Passenger Door Lock & Express Power Window Switch – if equipped/Power Mirrors – if equipped/Rain Sensor – if equipped/ Rear Defrost
3620 Amp YellowHands Free Phone – if equipped/Media System Monitor DVD – if equipped/Radio/Satellite Receiver – if equipped
3715 Amp BlueTransmission – NAG1
385 Amp OrangeAnalog Clock/Cargo Light/Overhead Console
3910 Amp RedHeated Mirrors – if equipped
405 Amp OrangeHeated Seats – if equipped/Inside Rearview Mirror
4110 Amp RedAC Heater Control/Park Assist – if equipped/Tire Pressure Monitoring – if equipped
4230 Amp PinkFront Blower Motor
4330 Amp PinkAmplifier – if equipped/ Antenna/Rear Defrost
4420 Amp BlueAmplifier – if equipped/ Front Control Module (FCM)/Sunroof – if equipped

* Cavities 11, 12, and 13 contain self-resetting fuses (circuit breakers) that are only serviceable by an authorized dealer.

2008, 2009

Front Power Distribution Center
Front Power Distribution Center (fuse box): Chrysler 300 / 300C (2008, 2009)
Front Power Distribution Center (fuse box): Chrysler 300 / 300C (2008, 2009)

Assignment of fuses in the Front Power Distribution Center (2008, 2009)

CavityCartridge FuseMini-FuseDescription
115 Amp BlueWasher Motor
225 Amp NeutralPowertrain Control Module (PCM)
325 Amp NeutralIgnition Run/Start
425 Amp NeutralAlternator/EGR Solenoid
5
625 Amp NeutralIgnition Coils/Injectors/ Short Runner Valve
7
825 Amp NeutralStarter
9
1030 Amp PinkWindshield Wiper
1130 Amp PinkAnti-Lock Brake System (ABS) Valves – If Equipped
1240 Amp GreenRadiator Fan
1350 Amp RedAnti-Lock Brake System (ABS) Pump Motor – If Equipped
14— / 60 Amp Yellow— / Radiator Fan
1550 Amp RedRadiator Fan
16
17
18
19
20
21
22
Rear Power Distribution Center
Rear Power Distribution Center (fuse box): Chrysler 300 / 300C (2008, 2009)
Rear Power Distribution Center (fuse box): Chrysler 300 / 300C (2008, 2009)

Assignment of fuses in the Rear Power Distribution Center (2008, 2009)

CavityCartridge FuseMini-FuseDescription
160 Amp YellowIgnition Off Draw (IOD)
240 Amp GreenIntegrated Power Module (IPM)
3
440 Amp GreenIntegrated Power Module (IPM)
530 Amp PinkHeated Seats – If Equipped
620 Amp YellowFuel Pump
715 Amp BlueRear Heated Seats – If Equipped
815 Amp BlueDiagnostic Link Connector (DLC) /Wireless Control Module (WCM)/ Wireless Ignition Node (WIN)
920 Amp YellowPower Outlet
10
11*25 Amp C/BRKRCluster – without power memory seat/Driver Seat Switch – with power memory seat/Memory Module – if equipped
12*25 Amp C/BRKRPassenger Seat Switch
13*25 Amp C/BRKRDoor Modules – except base/ Driver Door Lock Switch – base/Driver Express Power Window Switch – if equipped/ Passenger Door Lock Switch – base
1410 Amp RedAC Heater Control/ Cluster/Security Module – If Equipped
1520 Amp YellowTrailer Tow Brake Module – If Equipped
16
1720 Amp YellowCluster
1820 Amp YellowSelectable Power Outlet
1910 Amp RedStop Lights
20
21
22
23
24
25
26
2710 Amp RedOccupant Restraint Controller (ORC)
2810 Amp RedIgnition Run
295 Amp OrangeAdaptive Cruise Control (ACC) – If Equipped/ Cluster/Electronic Stability Program (ESP) – If Equipped/Powertrain Control Module (PCM)/ STOP LIGHT Switch
3010 Amp RedDoor Modules/Power Mirrors/Steering Control Module (SCM)
31
32
33
34
355 Amp OrangeAntenna Module – If Equipped /Power Mirrors/Rain Sensor – If Equipped
3620 Amp YellowHands-Free Phone – If Equipped/Video Monitor – If Equipped/Radio
3715 Amp BlueTransmission
3810 Amp RedAnalog Clock/Cargo Light/Satellite Receiver (SDARS) Video – If Equipped/Vehicle Information Module – If Equipped
3910 Amp RedHeated Mirrors – If Equipped
405 Amp OrangeAuto Inside Rearview Mirror – If Equipped/ Heated Seats – If Equipped/Switch Bank
4110 Amp RedAC Heater Control/ Headlights/Park Assist -If Equipped/Tire Pressure Monitoring – If Equipped/Occupant Restraint Controller (ORC)
4230 Amp PinkFront Blower Motor
4330 Amp PinkRear Window Defroster
4420 Amp BlueAmplifier – If Equipped/ Sunroof – If Equipped

* Cavities 11, 12, and 13 contain self-resetting fuses (circuit breakers) that are only serviceable by an authorized dealer.

2010

Front Power Distribution Center
Front Power Distribution Center (fuse box): Chrysler 300 / 300C (2010)
Front Power Distribution Center (fuse box): Chrysler 300 / 300C (2010)

Assignment of fuses in the Front Power Distribution Center (2010)

CavityCartridge FuseMini-FuseDescription
115 Amp BlueWasher Motor
225 Amp NeutralPowertrain Control Module (PCM)
325 Amp NeutralIgnition Run/Start
425 Amp NeutralAlternator/EGR Solenoid
5
625 Amp NeutralIgnition Coils/Injectors/ Short Runner Valve
7
825 Amp NeutralStarter
9
1030 Amp PinkWindshield Wiper
1130 Amp PinkAnti-Lock Brake System (ABS) Valves – If Equipped
1240 Amp GreenRadiator Fan
1350 Amp RedAnti-Lock Brake System (ABS) Pump Motor – If Equipped
14— / 60 Amp Yellow— / Radiator Fan
1550 Amp RedRadiator Fan
16
17
18
19
20
21
22
Rear Power Distribution Center
Rear Power Distribution Center (fuse box): Chrysler 300 / 300C (2010)
Rear Power Distribution Center (fuse box): Chrysler 300 / 300C (2010)

Assignment of fuses in the Rear Power Distribution Center (2010)

CavityCartridge FuseMini-FuseDescription
160 Amp YellowIgnition Off Draw (IOD) Cavity 1 of the Rear Power Distribution Center contains a black IOD fuse needed for vehicle processing during assembly. The service replacement part is a 60 Amp yellow cartridge fuse.
240 Amp GreenIntegrated Power Module (IPM)
3
440 Amp GreenIntegrated Power Module (IPM)
530 Amp PinkHeated Seats – If Equipped
620 Amp YellowFuel Pump
715 Amp BlueRear Heated Seats – If Equipped
815 Amp BlueDiagnostic Link Connector (DLC)/Wireless Control Module (WCM)/ Wireless Ignition Node (WIN)
920 Amp YellowPower Outlet
10
11 *25 Amp C/BRKRCluster – without power memory seat/Driver Seat Switch – with power memory seat/Memory Module – if equipped
12 *25 Amp C/BRKRPassenger Seat Switch
13 *25 Amp C/BRKRDoor Modules – except base/ Driver Door Lock Switch – base/Driver Express Power Window Switch – if equipped/ Passenger Door Lock Switch – base
1410 Amp RedAC Heater Control/ Cluster/Security Module – If Equipped
1520 Amp YellowTrailer Tow Brake Module – If Equipped
16
1720 Amp YellowCluster
1820 Amp YellowSelectable Power Outlet
1910 Amp RedStop Lights
20
21
22
23
24
25
26
2710 Amp RedOccupant Restraint Controller (ORC)
2810 Amp RedIgnition Run, AC Heater Control/Headlights/ Park Assist – If Equipped/Tire Pressure Monitoring – If Equipped /Occupant Restraint Controller (ORC)
295 Amp OrangeAdaptive Cruise Control (ACC) – If Equipped/ Cluster/Electronic Stability Program (ESP) – If Equipped/Powertrain Control Module (PCM)/ STOP LIGHT Switch
3010 Amp RedDoor Modules/Power Mirrors/Steering Control Module (SCM)
31
32
33
34
355 Amp OrangeAntenna Module – If Equipped /Power Mirrors/Rain Sensor – If Equipped
3625 Amp NaturalHands-Free Phone – If Equipped/Video Monitor – If Equipped /Radio
3715 Amp BlueTransmission
3810 Amp RedAnalog Clock/Cargo Light/Satellite Receiver (SDARS) Video – If Equipped/Vehicle Information Module – If Equipped
3910 Amp RedHeated Mirrors – If Equipped
405 Amp OrangeAuto Inside Rearview Mirror – If Equipped/ Heated Seats – If Equipped/Switch Bank
4115 Amp BlueAWD Module – If Equipped
4230 Amp PinkFront Blower Motor
4330 Amp PinkRear Window Defroster
4420 Amp BlueAmplifier – If Equipped/Sunroof – If Equipped

* Cavities 11, 12, and 13 contain self-resetting fuses (circuit breakers) that are only serviceable by an authorized dealer.

Conclusion

For owners and enthusiasts of classic Chrysler 300/300C (Mk1/LX) 2005-2010, understanding the fuse box and relay systems is essential for vehicle maintenance. Regular inspection and maintenance of these components helped ensure the vehicle’s longevity and reliability, preserving its status as a symbol of Chrysler’s craftsmanship and innovation in the automotive industry during that era.

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