Ram Chassis Cab 2021 Fuse Box Info
Engine compartment fuse box location:
Fuse Box Diagram | Layout
Engine compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 01 | - | Spare |
| 02 | 60A | ABS Pump Motor (HD Only) |
| 03 | 60A | Rad Fan* |
| 04 | 50A | 400W Inverter* |
| 05 | 40A | Compressor For Air Suspension* |
| 06 | 40A | Steering Torque Overlay Module (STOM) |
| 07 | 40A | Starter Solenoid |
| 08 | 20A | NOX Sensor* |
| 09 | 40A | Diesel / Fuel Heater* |
| 09 | 30A | Gas / Brake Vacuum Pump* |
| 10 | 40A | CBC #2 / Ext Lights |
| 11 | 40A | Brake System Module (ECU and Valves) |
| 12 | 40A | CBC #3 / Pwr Locks |
| 13 | 40A | Blower Motor |
| 14 | 40A | CBC #4 / Ext Lights |
| 15 | 30A | Power Side Steps* |
| 16 | 30A | Smart-Bar Module* |
| 17 | 30A | Winch* |
| 19 | 30A | Diesel SCR Feed* |
| 20 | 30A | Passenger Door Module |
| 21 | 30A | Drive Train Control Module |
| 22 | 20A | Gas / ECM* |
| 22 | 25A | Diesel PCM* |
| 23 | 30A | CBC #1 / Int Light |
| 24 | 30A | Driver Door Module |
| 25 | 30A | Front Wiper |
| 26 | - | Spare |
| 27 | - | Spare |
| 28 | 20A | Trailer Tow Backup Lights* |
| 29 | 20A | Trailer Tow Parking Lights* |
| 30 | 30A | Trailer Tow Receptacle / Trailer Tow (Separate E-Brake) / Trailer Tow |
| 31 | - | Spare |
| 32 | - | Spare |
| 33 | 20A | Trans Control Module* |
| 34 | 30A | Vehicle System Interface Module #2* |
| 35 | 30A | Sunroof* |
| 36 | 30A | Electric Back Light* |
| 37 | 30A | Diesel Frame / Fuel Heater #2* |
| 38 | 30A | Integrated Trailer Brake Module* |
| 39 | - | Spare |
| 40 | 10A | Ventilated Seats* |
| 41 | 10A | Active Grille Shutter / Active Air Dam* |
| 42 | 20A | Horn |
| 43 | 15A | Heated Steering Wheel* |
| 44 | 10A | Diagnostic Port |
| 46 | 10A | Upfitters Relay Coil* |
| 47 | - | Spare |
| 48 | - | Spare |
| 49 | 10A | IP Cluster / CSG |
| 50 | 20A | Air Suspension Control Module* |
| 51 | 10A | Ignition Node Module / Keyless Ignition Node Module, Radio Frequency Hub Module / Electric Steering Column Lock* |
| 52 | 5A | Battery Sensor |
| 53 | 20A | Trailer Tow – Left Turn/Stop Lights* |
| 54 | 20A | Non Memory Adjustable Pedals* |
| 55 | - | Spare |
| 56 | 10A | Fuel Vapor Blocker Valve* |
| 57 | 20A | TCM / PCM / Solenoid Trans Pressure SW (RFE Trans Only) S* |
| 58 | 10A | Bed Lighting (LED)* |
| 60 | - | Spare |
| 61 | 10A | NH3 Sensor / PM Sensor* |
| 62 | 10A | Air Conditioning Clutch |
| 63 | 20A | Ignition Coils / CAPS |
| 64 | 25A | Fuel Injectors / Powertrain Control Module / SRV* |
| 65 | 10A | MOD Inverter (Wake Up) / Power Port / USB IP / WCPM* |
| 66 | 10A | Sunroof / USB Rear* |
| 67 | 10A | UCI Port / USB Front |
| 68 | 10A | AEB RACAM HTR* |
| 69 | 15A | SCR Module 12 Volt* |
| 70 | 30A | Fuel Pump Motor / K09 RLY Coil Feed* |
| 71 | 25A | Amplifier / Active Noise Cancellation* |
| 72 | - | Spare |
| 73 | 20A | Fuel Transfer Pump* |
| 74 | 10A | Backup Alarm* |
| 75 | 10A | ATMM / Coil-SCR Module RLY* |
| 76 | 10A | Electronic Stability Control* |
| 77 | 10A | Drivetrain Control Module / Front Axle Disconnect Module / TCM/ STOM |
| 78 | 15A | Engine Control Module / Powertrain Control Module / AEB RACM MOD / Feed To AUX PDC Relay Coils/ HRLS |
| 79 | 15A | ID / Clearance Lights |
| 80 | 10A | Overhead Console / Assist / 911* |
| 81 | 20A | Trailer Tow Right Turn / Stop Lights* |
| 82 | 10A | Steering Column Control Module / Cruise Control |
| 83 | - | Spare |
| 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 |
| 88 | 15A | Instrument Panel Cluster |
| 90/91 | 20A | Power Outlet / Batt Power Outlet / Acc |
| 92 | - | Spare |
| 93 | - | Spare |
| 94 | 10A | Shift-By-Wire / Transfer Case Switch / Module TPM Trailer / Module Gateway Can-C Trailer TPM |
| 95 | 10A | Rearview Camera / Park Assist / CHMSL Camera / Blind Spot Sensor / Surround View Camera |
| 96 | 10A | Trailer Camera* |
| 97 | 20A | Front Heated Seat Passenger* |
| 98 | 20A | Front Heated Seat Driver* |
| 99 | 10A | HVAC / In-Car Temperature Sensor / CSG MOD |
| 100 | 10A | Upfitters Box Feed* |
| 101 | 20A | Rear Heated Seat Right* |
| 102 | 20A | Rear Heated Seat Left / Run RLY #3 Coil* |
| 103 | 10A | Headlamp AFLS* |
| 104 | 20A | UCI Port / USB Rear |
* If Equipped
