Dodge Ram 3500 2020 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 (DS 1500 Only) |
| 2 | 60A | ABS Pump Motor (HD Only) |
| 3 | 60A | Rad Fan – If Equipped |
| 4 | 50A | 400W Inverter – If Equipped (HD Only) |
| 5 |
40A 50A (Special Services Vehicle (SSV)) |
Compressor for Air Suspension – If Equipped |
| 6 | 40A |
ABS Pump Motor (DS 1500 Only) Steering Torque Overlay Module (STOM) (HD Only) |
| 7 | 40A | Starter Solenoid |
| 8 |
20A (DS 1500 LD/Cummins Diesel) 40A |
NOX Sensor – If Equipped Aux Relay Output- SSV Only |
| 9 | 40A (SSV & Cummins Diesel) | Aux Relay Output / Diesel Fuel Heater – If Equipped |
| 9 | 30A | Brake Vacuum Pump – If Equipped (HD Only) |
| 10 | 40A | Body Controller / Exterior Lighting #2 |
| 11 | 30A | PWR - Trailer Tow Electric Brake Batt Feed – If Equipped (DS 1500 Only) |
| 11 | 40A | Brake System Module (ECU and Valves) (HD Only) |
| 12 | 40A | Body Controller #3 |
| 13 | 40A | Blower Motor |
| 14 | 40A | Body Controller #4 / Exterior Lighting |
| 15 |
30A 40A |
Power Side Steps – If Equipped (HD Only) Extra Fuse - SSV Only |
| 16 | 30A | Smart-Bar Module – If Equipped (HD Only) |
| 17 | 30A | Winch Control Module – If Equipped (HD Only) |
| 19 |
20A (DS 1500 LD Diesel) 30A (Cummins Diesel) |
SCR – If Equipped |
| 20 | 30A | Passenger Door Module |
| 21 | 30A | Drive Train Control Module |
| 22 | 20A | Engine Control Module GPEC / Heavy Duty / Other – If Equipped |
| 22 | 25A (Cummins Diesel) | PCM – If Equipped |
| 23 | 30A | CBC Feed # 1 |
| 24 | 30A | Driver Door Module |
| 25 | 30A | Front Wiper |
| 26 | 30A | Antilock Brakes / Stability Control Module / Valves – If Equipped (DS 1500 Only) |
| 28 | 20A | Trailer Tow Backup Lights – If Equipped |
| 29 | 20A | Trailer Tow Parking Lights – If Equipped |
| 30 | 30A | Trailer Tow Receptacle / Trailer Tow (Separate E-Brake)/Trailer Tow (BUX) |
| 31 | 30A | Diesel Heater Control – If Equipped (DS 1500 LD Diesel) |
| 31 | 20A | Aux App SSV Only - If Equipped |
| 32 | - | Aux Feed, Special Services Vehicle-If Equipped (DS 1500 Only) |
| 33 | 20A |
Trans Control Module – If Equipped (HD Only) Aux Feed, SSV Only (DS 1500 Only) |
| 34 | 30A | Vehicle System Interface Module #2 – If Equipped (HD Only) SSV (DS 1500 Only) |
| 35 | 30A | Sunroof – If Equipped |
| 36 | 30A | Electric Back Light – If Equipped |
| 37 | 30A | Fuel Heater #2, Aux Relay 2 – If Equipped (HD Only) SSV (DS 1500 Only) |
| 38 | 30A | Integrated Trailer Brake Module – If Equipped (HD Only) Power Inverter 115V AC – If Equipped (DS 1500 Only) |
| 39 | 20A | Power Outlet – SSV Only |
| 40 | 10A | Ventilated Seats – If Equipped (HD Only) |
| 41 | 10A | Active Grille Shutter / Active Air Dam – If Equipped |
| 42 | 20A | Horn |
| 43 | 15A | Heated Steering Wheel – If Equipped (HD Only) |
| 44 | 10A | Diagnostic Port |
| 46 | 10A | Upfitters Relay Coil – If Equipped (HD Only) Spare (DS 1500 Only) |
| 49 | 10A | Instrument Panel Cluster / HVAC (DS 1500 Only) Instrument Cluster / MOD CSG (HD Only) |
| 50 | 20A | Air Suspension Control Module – If Equipped |
| 51 | 10A | Ignition Node Module / Keyless Ignition Node Module, Radio Frequency Hub Module / Electric Steering Column Lock - If Equipped |
| 52 | 5A | Battery Sensor |
| 53 | 20A | Trailer Tow – Left Turn/Stop Lights - If Equipped |
| 54 | 20A | Non Memory Adjustable Pedals - If Equipped |
| 56 | 15A | Additional Diesel Content - If Equipped (DS 1500 Only) |
| 56 | 10A | Fuel Vapor Blocker Valve - If Equipped (HD Only) |
| 57 | 20A | TCM/PCM / Solenoid Trans Pressure SW (RFE Trans Only) – If Equipped (HD Only) Transmission (DS 1500 Only) |
| 58 | 10A | Bed Lighting (LED) – If Equipped (HD Only) |
| 60 | 15A | Underhood Lamp / TCM – If Equipped (DS 1500 Only) |
| 61 | 10A | UREA Sensor / PM Sensor – If Equipped (DS 1500 LD Diesel & Cummins Diesel) |
| 62 | 10A | Air Conditioning Clutch |
| 63 | 20A | Ignition Coils (Gas), Ignition Coils Capacitors (Gas) / Short Runner Valve Actuator / Urea Heater Control Unit (DS 1500 LD Diesel) / RLY Coil Feed-SCR (DS 1500 LD Diesel) |
| 64 | 25A | Fuel Injectors / Powertrain Control Module / SRV – If Equipped |
| 65 | 10A | MOD Inverter (Wake Up) / Power Port / USB IP / WCPM – If Equipped (HD Only) Spare (DS 1500 Only) |
| 66 | 10A | Sunroof / Light and Rain Sensor Module / Inside Rearview Mirror / Passenger Window SW / USB Port Rear / Feed for R/A RLY #2 Coil – If Equipped |
| 67 | 10A | CD / DVD / UCI Port – If Equipped (HD Only) Bluetooth Hands-Free Module / CD – If Equipped (DS 1500 Only) |
| 68 | 10A | AEB RACAM HTR – If Equipped (HD Only) |
| 69 | 15A | SCR Module – If Equipped (HD Only) |
| 70 | 30A | Fuel Pump Motor / K09 RLY Coil Feed (Cummins Diesel) – If Equipped |
| 71 | 25A | Amplifier / Active Noise Cancelation – If Equipped (HD Only) |
| 72 | 10A | PCM / DC/DC Converter Voltage– If Equipped (DS 1500 Only) |
| 73 | 20A | Fuel Transfer Pump (Rear Tank) – If Equipped (HD Only) |
| 74 | 20A | Brake Vacuum Pump Gas/Diesel – If Equipped (DS 1500 Only) |
| 74 | 10A | Backup Alarm – If Equipped (HD Only) |
| 75 | 10A | ATMM / Coil-SCR Module RLY– If Equipped (HD Only) Coolant Temperature Valve – If Equipped (DS 1500 Only) |
| 76 | 10A | Electronic Stability Control (HD Only) Brake System Module / Stop Lamp Switch / Electric Park Brake / Clutch Pedal Switch (DS 1500 Only) |
| 77 | 10A | Drivetrain Control Module / Front Axle Disconnect Module / TCM (HD Only) Drivetrain Control Module / ELSD / Front Axle Disconnect Module / Transmission Control Relay / RDM / Power Take Off Unit – If Equipped (DS 1500 Only) |
| 78 | 10A | Engine Control Module / Powertrain Control Module / Electric Power Steering (DS 1500 Only) |
| 78 | 15A | Engine Control Module / Powertrain Control Module / AEB RACM MOD / Feed To AUX PDC Relay Coils/ HRLS (HD Only) |
| 79 | 15A | ID / Clearance Lights |
| 80 | 10A | Universal Garage Door Opener / Compass / Anti-Intrusion Module (DS 1500 Only) ASSY Overhead Console / SW Assist / SW 911 – If Equipped (HD Only) |
| 81 | 20A | Trailer Tow Right Turn / Stop Lights - If Equipped |
| 82 | 10A | Steering Column Control Module / Cruise Control |
| 83 | - | No Connection |
| 84 | 15A | ASBM / HVAC / ICS / Rear Heated Seat Switches |
| 85 | 10A | Airbag Module |
| 86 | 10A | Airbag Module |
| 87 | 10A | Air Suspension / ITBM / Steering Column Control Module / MOD Gateway CAN-C Trailer TPM (HD Only) Air Suspension / Trailer Tow / DC/DC Converter (Voltage Stabilizer) / Steering Column Control Module / Occupant Classification Sensor (DS 1500 Only) |
| 88 | 15A | Instrument Panel Cluster |
| 90/91 | 20A | IGN or BATT Customer Selectable – If Equipped (HD Only) Power Outlet (Rear Seats) Customer Selectable (DS 1500 Only) |
| 93 | 20A | Cigar Lighter - If Equipped |
| 94 | 10A | Shift-By-Wire / Transfer Case Switch (DS 1500 Only) Shift-By-Wire / Transfer Case Switch / Module TPM Trailer (HD Only) / Module Gateway Can-C Trailer TPM (HD Only) |
| 95 | 10A | Rearview Camera / Park Assist / CHMSL Camera / Blind Spot Sensor / Surround View Camera (HD Only) Rear Camera / Park Assist / Blind Spot Sensor / Compass (DS 1500 Only) |
| 96 | 10A | Rear Seat Heater Switch / Trunk Lamp With Flashlamp Charger / Truck Lamp - If Equipped (DS 1500 Only) Trailer Camera – If Equipped (HD Only) |
| 97 | 25A | Rear Heated Seats And Heated Steering Wheel – If Equipped (DS 1500 Only) |
| 97 | 20A | Front Heated Seat Passenger – If Equipped (HD Only) |
| 98 | 25A | Front Heated Seats – If Equipped (DS 1500 Only) |
| 98 | 20A | Front Heated Seat Driver – If Equipped (HD Only) |
| 99 | 10A | HVAC / DASM (DS 1500 Only) HVAC / In-Car Temperature Sensor / CSG MOD (HD Only) |
| 100 | 10A | Upfitters – If Equipped (HD Only) |
| 101 | 15A | SSV Only |
| 101 | 20A | Rear Heated Seat Right (HD Only) |
| 102 | 20A | Rear Heated Seat Left / Run RLY #3 Coil (HD Only) |
| 103 | 10A | HeadLamp AFLS (HD Only) |
| 104 | 20A | Power Outlets (Instrument Panel / Center Console) / Trunk – If Equipped (DS 1500 Only) UCI Port / USB Rear (HD Only) |
