RAM 2500/3500 | 2019-2026

Looking for Ram 2500 / 3500 fuse box diagrams? This article covers the fifth-generation Ram Heavy Duty 2500 / 3500, available from 2019, and includes fuse box diagrams for Ram HD 2500/3500 2019, 2020, 2021, 2022, 2023, 2024, 2025 and 2026, along with details about the location of the fuse panels inside the vehicle and a clear explanation of the assignment of each fuse (fuse layout).

Engine Compartment

Fuse Box Location

The Power Distribution Center is located in the engine compartment near the battery. This center contains cartridge fuses, micro fuses, relays, and circuit breakers. A description of each fuse and component may be stamped on the inside cover, otherwise the cavity number of each fuse is stamped on the inside cover.

Fuse Box Diagram

Fuses

Assignment of the fuses in the engine compartment

Fuse Data
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No.Cartridge FuseMicro FuseDescription
F0160A Yellow–2025-2026: Glow Plug Module
F0260A Yellow–ABS Pump Mtr
F0360A Yellow–Rad Fan HI / Lo *
F0450A Red–400W Inverter
F0540A Green–2019-2022: Air Suspension Comp
50A Red–2023-2026: Air Suspension Comp
F0640A Green–2020-2026: Steering Torque Overlay Module (STOM)
F0740A Green–Starter Solenoid
F0820A Blue–2019-2024: NOX Sensor *
F0930A Pink–Gas – Brake Vacuum Pump *
40A Green–Diesel – Fuel Heater *
F1040A Green–2019-2024: BCM Feed #2 / Ext Lights #2
50A Red–2025-2026: BCM Feed #2 / Ext Lights #2
F1140A Green–Brake System Module (ECU and Valves) ECU & Valves
F1240A Green–2019: BCM Feed #3
2020-2024: BCM Feed #3 / Pwr Locks
2025-2026: BCM Feed #3 / Ext Lights
F1340A Green–HVAC Blwr Mtr
F1440A Green–2019-2024: BCM Feed #4 / Ext Lights
2025-2026: BCM Feed #4 / Pwr Locks
F1530A Pink–2019-2024: Power Side Steps *
50A Red–2025-2026: BCM Feed #1/ Ext Light #1
F1630A Pink–Smart-Bar Module *
F1730A Pink–Winch Control Module *
F1820A Blue–2025-2026: Smart Mtr-Pass Rear
F1930A Pink–Diesel SCR Feed *
F2030A Pink–Passenger Door Mod
F2130A Pin–Drive Train Control Module (DTCM)
F2220A Blue–Gas – ECM *
25A White–Diesel – PCM *
F2330A Pink–2019-2024: BCM Feed #1 / Int Light
F2430A Pink–Driver Door Mod
F2530A Pink–Front Wiper
F26––Spare
F2725A White–2025-2026: ITCM #1 – Lights
F2820A Blue–2019-2024: Trailer Tow Backup Lights *
F2920A Blue–2019-2024: Trailer Tow Parking Lights *
F3030A Pink–2019-2021: Trailer Tow Receptacle / Trailer Tow (Separate E Brake) / Trailer Tow
2022-2024: Trailer Tow
2025-2026: Trailer Tow – 7 Way Conn
F3130A Pink–2025-2026: Drvr Seat Sw / Drvr Pwr Seat / Memry Mod
F3225A White–2025-2026: ITCM #2 – Lights
F3320A Blue–Trans Control Mod *
F3430A Pink–2019-2024: Vehicle System Interface Module (VSIM) #2
20A Blue–2025-2026: Smrt Mtr Dvrv RR
F3530A Pink–Sunroof *
F3630A Pink–2019-2021: Electric Back Light *
2022-2026: Rear Defroster (EBL) *
F3730A Pink–2019: Fuel Heater #2, Aux Relay 2 *
2021-2024: Diesel Frame / Fuel Heater *
20A Blue–2025-2026: NOX Sensor
F3830A Pink–2019-2024: Integrated Trailer Brake Module *
2025-2026: ITCM /Mod E-Brake*
F3930A Pink–2025-2026: Pass Seat Sw / Pass Pwr Seat
F40–10A Red2019-2024: Ventilated Seats
F41–10A Red2019-2024: Active Grille Shutter / Active Air Dam *
2025-2026: Act Grille Shutter / Dam * / RR Axl Clnt Vlv*
F42–20A YellowHorn
F43–15A BlueHeated Steering Whee *
F44–10A Red2019-2024: Diagnostic Port
F45––Spare
F46–10A RedUpfitters Relay Coils *
F47––Spare
F48––Spare
F49–10A Red2019-2024: Instrument Cluster / MOD CSG
–15A Blue2025-2026: Mod CVADAS*
F50–20A YellowAir Suspension Control Module *
F51–10A Red2019-2024: Ignition Node Module / Keyless Ignition Node Module, Radio Frequency Hub Module / Electric Steering Column Lock
F52–5A TanBattery Sensor
F53–20A Yellow2019-2024: Trailer Tow – Left Turn/Stop Lights
F54–20A YellowNon Memory Adjustable Pedals *
F55–10A Red2022-2024: Fwd Utility Lamps
F56–10A Red2020-2026: Fuel Vapor Blocker Valve *
F57–20A Yellow2019-2024: TCM / PCM / Solenoid Trans Pressure SW (RFE Trans Only)
2025-2026: Tailgate Latches
F58–10A Red2019-2024: Bed Lighting (LED) *
F59–10A Red2025-2026: Mod ORC
F60––Spare
F61–10A Red2019-2024: NH3 Sensor / PM Sensor
F62–10A RedA/C Clutch
F63–20A YellowIgnition Coils / CAPS
F64–25A Clear2019-2020: Fuel Injectors / Powertrain Control Module / SRV *
2021: Fuel Injectors
2022-2026: Fuel Injectors / Powertrain Control Module *
F65–10A Red2019-2021: MOD Inverter (Wake Up) / Power Port / USB IP / WCPM *
2022-2026: RVDMP / MOD BLE *
F66–10A Red2019: Sunroof / Light and Rain Sensor Module / Inside Rearview Mirror / Passenger Window SW / USB Port Rear / Feed for R/A RLY #2 Coil *
2020-2021: Sunroof / USB Rear *
2022-2026: Sunroof / USB RR * / RR Mirror/ Passenger Wind SW
F67–10A Red2019-2021: CD / DVD / UCI Port *
2022-2024: UCI / TRLR 360 Cam / Tach *
F68–10A RedAEB RACAM HTR *
F69–15A BlueSCR Mod 12 Volt *
F70–30A GreenFuel Pump Mtr/ Fuel Htr RLY
F71–25A Clear2019-2024: Amplifier / Active Noise Cancelation
–20A Yellow2025-2026: SLM RT
F72––Spare
F73–20A YellowFuel Transfer Pump *
F74–10A Red2020-2026: Backup Alarm
F75–10A Red2019-2024: ATMM / Coil-SCR Module RLY
F76–10A RedElectronic Stability Control (ESC) *
F77–10A RedDrivetrain Control Module / Front Axle Disconnect Module /
TCM / STOM
F78–15A BlueEngine Control Module / Powertrain Control Module / AEB RACM MOD / Feed To AUX PDC Relay Coils/ HRLS
F79–15A Blue2019-2024: ID / Clearance Lights
F80–10A Red2019-2024: ASSY Overhead Console / SW Assist / SW 911 *
F81–20A Yellow2019-2024: Trailer Tow Right Turn / Stop Lights
F82–10A Red2019-2024: Steering Column Control Module / Cruise Control
F83–10A Red2022-2024: TLR AST / TLR RVS CTL / TLR KNB
F84–15A Blue2019-2024: ASBM / HVAC / ICS / Rear Heated Seat Switches
F85–10A Red2019-2024: Airbag Module
15A Blue2025-2026: CADM
F86–10A Red2019-2024: Airbag Module
F87–10A Red2019-2024: Air Suspension / ITBM / Steering Column Control Module / MOD Gateway CAN-C Trailer TPM
F88–15A Blue2019-2024: Instrument Panel Cluster
F89––Spare
F90–20A YellowPower Outlet / Batt (Customer Selectable)
F91–Power Outlet / Acc (Customer Selectable)
F92–10A Red2022-2026: Invertor MOD / USB-IP/ WCPM *
F93–20A Yellow2019: Cigar Lighter
–10A Red2025-2026: UREA Sensor / PM Sensor
F94–10A Red2019-2024: Shift-By-Wire / Transfer Case Switch / Module TPM Trailer / Module Gateway Can-C Trailer TPM
F95–10A RedRearview Camera / Park Assist / CHMSL Camera / Blind Spot Sensor / Surround View Camera *
F96–10A RedTrailer Camera *
F97–20A YellowFront Heated Seat Passenger *
F98–20A YellowFront Heated Seats Driver *
F99–10A Red2019: HVAC / In-Car Temperature Sensor / CSG MOD / Humidity Sensor
2020-2021: HVAC / In-Car Temperature Sensor / CSG MOD
2022-2024: HVAC / In-Car Temperature Sensor / CSG / TRL CWY MOD */ TACH
F100–10A RedUpfitter Box Feed *
F101–20A YellowRear Heated Seat Right *
F102–20A YellowRear Heated Seat Left / Run RLY #3 Coil *
F103–10A RedHeadLamp AFLS *
F104–20A Yellow2019-2024: UCI Port / USB Rear
2025-2026: SLM LT*
* – If Equipped

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