2018 Chrysler 300 LD Fuse Box Diagram
The 2018 Chrysler 300 (LD) has 2 fuse boxes. Choose the one you’re looking at.
Find a fuse
Search by component, fuse number or description.
Popular searches
Engine compartment fuse box (front PDC)
The 2018 300 keeps the same underhood power distribution center on the passenger side, just behind the headlamp and beside the jump-start posts. Release the two latches on the cover and lift it off; the cavity layout is printed inside the lid. Refit the cover fully afterwards so water stays out of the relays.
The 2018 table matches 2017 for the 300; the shared book adds a 50 A option for the 6.2 l supercharged fan in 8 and 24, which a 300 never uses. Radiator fan, power steering, HID headlamps (15, 16) and adaptive cruise (52) are where the 2017 car had them.
| No. | Function | Amp | Description |
|---|---|---|---|
| 2 | 40 AJCASE | Radiator cooling fan #1 | |
| 3 | 50 AJCASE | Electric power steering #1 (where fitted) | |
| 4 | 30 AJCASE | Starter motor | |
| 5 | 40 AJCASE | Anti-lock brakes | |
| 6 | 30 AJCASE | Anti-lock brakes, second feed | |
| 7 | Not used on the 300: the shared table lists police ignition-run/accessory feed #1 (20 A) | ||
| 8 | Not used on the 300: the shared table lists police accessory feed #2 (20 A) or the 6.2 l supercharged fan (50 A) | ||
| 9 | 20 AMINI | All-wheel-drive module (AWD cars) | |
| 10 | 10 AMINI | Intrusion sensor module (where fitted) | |
| 11 | 20 AMINI | Horns | |
| 12 | 10 AMINI | Air-conditioning compressor clutch | |
| 13 | Spare | ||
| 14 | Spare | ||
| 15 | 20 AMINI | Left HID headlamp (where fitted) | |
| 16 | 20 AMINI | Right HID headlamp (where fitted) | |
| 18 | 50 AJCASE | Radiator cooling fan | |
| 19 | 50 AJCASE | Electric power steering #2 (where fitted) | |
| 20 | 30 AJCASE | Windshield wiper motor | |
| 21 | 30 AJCASE | Headlamp washers (where fitted) | |
| 22 | Not used on the 300: the shared table lists 6.2 l supercharged coolant pump (40 A) or police battery feed #3 (20 A) | ||
| 23 | Not used on the 300: the shared table lists police battery feed #1 (20 A) | ||
| 24 | Not used on the 300: the shared table lists police feed #3 (20 A) or the 6.2 l supercharged fan (50 A) | ||
| 28 | Spare | ||
| 29 | Not used on the 300: the shared table lists Challenger and police transmission feed (15 A); the 300 feeds its transmission from trunk cavity 26 | ||
| 30 | Spare | ||
| 31 | 25 AMINI | Engine control module | |
| 32 | Spare | ||
| 33 | Spare | ||
| 34 | 25 AMINI | Powertrain feed #1 | |
| 35 | 20 AMINI | Powertrain feed #2 | |
| 36 | 10 AMINI | Anti-lock brake module | |
| 37 | 10 AMINI | Engine controller, radiator fan relays, electric power steering module | |
| 38 | 10 AMINI | Airbag module | |
| 39 | 10 AMINI | A/C clutch relay, vacuum pump relay | |
| 48 | 10 AMINI | AWD module, front axle disconnect (AWD cars) | |
| 49 | Spare | ||
| 50 | Spare | ||
| 51 | 20 AMINI | Vacuum pump | |
| 52 | 5 AMINI | Adaptive cruise control radar (where fitted) | |
| 53 | Spare |
Trunk fuse box (rear PDC)
In the 2018 300 you reach the trunk box by lifting the load floor: the battery sits at the front of the spare-wheel well and the fuse box is mounted to its right. Take off the latched lid and read the printed map before pulling a fuse.
For 2018 cavity 22 becomes the 5 A cyber security gateway module, and 45 adds the gateway too. Cartridges 40 and 41 appear in the shared table as fuel-pump feeds for the 6.2 l SRT Demon — not a 300 fitment.
| No. | Function | Amp | Description |
|---|---|---|---|
| 2 | 60 AJCASE | Feed #1 to the engine-compartment fuse box (the battery lives in the trunk) | |
| 3 | Spare | ||
| 4 | 60 AJCASE | Feed #2 to the engine-compartment fuse box | |
| 5 | 30 AJCASE | Power sunroof (where fitted) | |
| 6 | 40 AJCASE | Exterior lighting #1 | |
| 7 | 40 AJCASE | Exterior lighting #2 | |
| 8 | 30 AJCASE | Interior lighting | |
| 9 | 40 AJCASE | Power door locks | |
| 10 | 30 AJCASE | Driver door module | |
| 11 | 30 AJCASE | Passenger door module | |
| 12 | 20 AMINI | Instrument-panel cigar lighter, rear-console dual USB ports (where fitted) | |
| 15 | 40 AJCASE | HVAC blower motor | |
| 16 | Not used on the 300: the shared table lists police left spotlight (20 A) | ||
| 17 | Not used on the 300: the shared table lists police right spotlight (20 A) | ||
| 18 | Not used on the 300: the shared table lists police network interface module (30 A) | ||
| 19 | Spare | ||
| 20 | Spare | ||
| 21 | 30 AJCASE | Fuel pump | |
| 22 | 5 AMINI | Cyber security gateway module | |
| 23 | 10 AMINI | Fuel filler door, diagnostic port | |
| 24 | 10 AMINI | Integrated centre stack (radio and climate controls) | |
| 25 | 10 AMINI | Tyre pressure monitoring | |
| 26 | 15 AMINI | Transmission control module, electronic shifter | |
| 27 | 25 AMINI | Audio amplifier (where fitted) | |
| 31 | 25 AMINI | Power seats (where fitted): a 25 A circuit breaker | |
| 32 | 15 AMINI | HVAC module, instrument cluster | |
| 33 | 15 AMINI | Ignition switch, RF hub, steering column lock (where fitted) | |
| 34 | 10 AMINI | Steering column module, clock | |
| 35 | 5 AMINI | Intelligent battery sensor | |
| 36 | 15 AMINI | Electronic exhaust valve (where fitted) | |
| 37 | 20 AMINI | Radio | |
| 38 | 20 AMINI | Armrest power outlet, console media hub | |
| 40 | Not used on the 300: the shared table lists 6.2 l SRT fuel pump (30 A) | ||
| 41 | Not used on the 300: the shared table lists 6.2 l SRT fuel pump (30 A) | ||
| 42 | 30 AJCASE | Rear window defroster | |
| 43 | 20 AMINI | Comfort module: heated steering wheel, rear heated seats | |
| 44 | 10 AMINI | Park assist, blind-spot monitoring, rear camera | |
| 45 | 15 AMINI | Instrument cluster, mirror, compass, humidity sensor, lane camera, security gateway | |
| 46 | Spare | ||
| 47 | 10 AMINI | Adaptive front lighting, daytime running lamps (where fitted) | |
| 48 | 20 AMINI | Active damping suspension (where fitted) | |
| 49 | Spare | ||
| 50 | Spare | ||
| 51 | 20 AMINI | Front heated and ventilated seats (where fitted) | |
| 52 | 10 AMINI | Heated cupholders, rear heated-seat switches | |
| 53 | 10 AMINI | HVAC module, cabin temperature sensor | |
| 54 | Spare | ||
| 55 | Spare | ||
| 56 | Spare | ||
| 57 | Spare | ||
| 58 | 10 AMINI | Airbag module | |
| 59 | Not used on the 300: the shared table lists police adjustable pedals (20 A) | ||
| 60 | Spare | ||
| 61 | Spare | ||
| 62 | Spare | ||
| 63 | Spare | ||
| 64 | 25 AMINI | Rear power windows: a 25 A circuit breaker | |
| 65 | 10 AMINI | Airbag module, second feed | |
| 66 | Spare | ||
| 67 | 10 AMINI | Rain and light sensor, sunroof, inside mirror | |
| 68 | 10 AMINI | Dual USB run/accessory sense, rear sunshade, rear USB timer | |
| 69 | Spare | ||
| 70 | Spare |