Dodge Ram 2500 2018 Fuse Box Info
Fuse box location:
Fuse Box Diagram | Layout
Engine compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | 80A | Rad Fan Control Module – If equipped |
| 3 | 60A | Rad Fan – If Equipped |
| 5 | 40A | Compressor for Air Suspension – If Equipped |
| 6 | 40A | Antilock Brakes/ Electronic Stability Control Pump |
| 7 | 40A | Starter Solenoid |
| 8 | 20A (1500 LD/ Cummins Diesel) | Emissions Diesel – If Equipped |
| 9 | 40A (Special Services Vehicle & Cummins Diesel) | Diesel Fuel Heater – If Equipped |
| 10 | 40A | Body Controller / Exterior Lighting #2 |
| 10 | 50A | Body Controller / Exterior Lighting #2 – If Equipped with Stop/Start |
| 11 | 30A | Integrated Trailer Brake Module – If Equipped |
| 12 | 40A | Body Controller #3 / Power Locks |
| 13 | 40A | Blower Motor |
| 14 | 40A | Body Controller #4 / Interior Lighting |
| 16 | 30A | Smart Bar – If Equipped |
| 19 | 20A (1500 LD Diesel) 30A (Cummins Diesel) | SCR – If Equipped |
| 20 | 30A | Passenger Door Module |
| 21 | 30A | Drive Train Control Module |
| 22 |
20A 30A (Cummins Diesel) |
Engine Control Module |
| 23 | 30A | Body Controller #1 / Interior Lighting |
| 24 | 30A | Driver Door Module |
| 25 | 30A | Front Wiper |
| 26 | 30A | Antilock Brakes/ Stability Control Module/Valves |
| 28 | 20A | Trailer Tow Backup Lights – If Equipped |
| 29 | 20A | Trailer Tow Parking Lights – If Equipped |
| 30 | 30A | Trailer Tow Receptacle |
| 31 | 30A (1500 LD Diesel) | Urea Heater Control – If Equipped |
| 32 | - | Spare Fuse |
| 33 | 20A | Special Services Vehicle Only |
| 34 | 30A | Vehicle System Interface Module #2 – If Equipped |
| 35 | 30A | Sunroof – If Equipped |
| 36 | 30A | Rear Defroster– If Equipped |
| 37 | 30A | Cummins Diesel Fuel Heater #2 If Equipped |
| 38 | 30A | Power Inverter 115V AC– If Equipped |
| 39 | 20A | Power Outlet – Special Services Only |
| 41 | 10A | Active Grill Shutter — If Equipped |
| 42 | 20A | Horn |
| 44 | 10A | Diagnostic Port |
| 46 | 10A | Upfitter – If Equipped |
| 49 | 10A | Instrument Panel Cluster (except for fleet vehicles) |
| 50 | 20A | Air Suspension Control Module – If Equipped |
| 51 | 10A | Ignition Node Module / Keyless Ignition (Instrument Panel Cluster – Fleet Vehicles Only) |
| 52 | 5A | Battery Sensor |
| 53 | 20A | Trailer Tow – Left Turn/Stop Lights |
| 54 | 20A | Adjustable Pedals |
| 56 | 15A | Additional Diesel Content – If Equipped |
| 57 | 20A | Transmission |
| 58 | 20A | Spare Fuse |
| 59 | 10A | SCR Relay – If Equipped |
| 60 | 15A | Underhood Lamp |
| 61 | 10A (1500 LD Diesel & Cummins Diesel) | PM Sensor – If Equipped |
| 62 | 10A | Air Conditioning Clutch |
| 63 | 20A | Ignition Coils (Gas), Urea Heater (Cummins Diesel) |
| 64 | 25A | Fuel Injectors / Powertrain |
| 65 | - | Spare Fuse |
| 66 | 10A | Sunroof / Passenger Window Switches / Rain Sensor |
| 67 | 10A | CD / DVD / Bluetooth Hands-free Module – If Equipped |
| 69 | 15A | Mod SCR 12V (Cummins Diesel) – If Equipped |
| 70 | 30A | Fuel Pump Motor |
| 71 | 25A | Amplifier |
| 72 | 10A | PCM – If Equipped |
| 73 | 20A | Fuel Transfer Pump (HD Only) – If Equipped |
| 74 | 20A (Gas Engine & 1500 LD Diesel) | Brake Vacuum Pump Gas/Diesel – If Equipped |
| 75 | 10A | Coolant Temperature Valve Actuator |
| 76 | 10A | Antilock Brakes/ Electronic Stability Control |
| 77 | 10A | Drivetrain Control Module/Front Axle Disconnect Module |
| 78 | 10A | Engine Control Module / Electric Power Steering |
| 79 | 15A | Clearance Lights |
| 80 | 10A | Universal Garage Door Opener / Compass |
| 81 | 20A | Trailer Tow Right Turn/Stop Lights |
| 82 | 10A | Steering Column Control Module/ Cruise Control |
| 84 | 15A | Switch Bank/ Instrument Cluster |
| 85 | 10A | Airbag Module |
| 86 | 10A | Airbag Module |
| 87 | 10A | Air Suspension-If Equipped / Trailer Tow / Steering Column Control Module |
| 88 | 15A | Instrument Panel Cluster |
| 90/91 | 20A | Power Outlet (Rear seats) Customer Selectable |
| 93 | 20A | Cigar Lighter |
| 94 | 10A | Shifter / Transfer Case Module |
| 95 | 10A | Rear Camera / Park Assist |
| 96 | 10A | Rear Seat Heater Switch |
| 97 | 25A | Rear Heated Seats & Heated Steering Wheel – If Equipped |
| 98 | 25A | Front Heated Seats – If Equipped |
| 99 | 10A | Climate Control |
| 100 | 10A | Upfitters – If Equipped |
| 101 | 15A | Electrochromatic Mirror / Smart High Beams – If Equipped |
| 104 | 20A | Power Outlets (Instrument Panel/ Center Console) |
