The 2021 Ram 2500 is equipped with multiple fuse boxes, each serving different electrical components of the vehicle. Understanding the fuse box layout and the function of each fuse is essential for maintaining your truck's electrical system and troubleshooting issues.

Overview of Fuse Box Locations

The 2021 Ram 2500 has two primary fuse box locations:

  • Engine Compartment Fuse Box: Located near the battery, this box houses fuses for high-power components like the ABS pump, radiator fan, and various modules.

  • Interior Fuse Box: Found under the dashboard, typically behind an access panel near the driver's side. This box contains fuses for interior accessories such as lights, radio, and power windows.

Detailed Fuse Box Diagram

The following table provides a detailed overview of the fuses in both the engine compartment and interior fuse boxes for the 2021 Ram 2500.

Fuse NumberTypeDescription
F01FLMSpare
F02FLM60AABS Pump Motor [HD Only]
F03FMX/JCase60ARadiator Fan [If Equipped]
F04FMX/JCase50A400W Inverter [If Equipped]
F05FMX/JCase40ACompressor For Air Suspension [If Equipped]
F06FMX/JCase40ASteering Torque Overlay Module (STOM)
F07FMX/JCase40AStarter Solenoid
F08FMX/JCase20ANOx Sensor [If Equipped]
F09FMX/JCase40ADiesel/Fuel Heater [If Equipped]
F10-F100MULTIPLE TYPES(Various functions including lighting, control modules, etc.)

Important Tips for Maintenance

  • Regular Checks: It's crucial to periodically check that all fuses are properly seated in their slots to avoid electrical issues. Loose fuses can lead to malfunctioning components.

  • Replacement: If a fuse blows, replace it with one of the same amperage rating. Using a higher-rated fuse can cause damage to the vehicle's electrical system.

  • Accessing Fuse Boxes: To access the interior fuse box, you may need a simple tool like a 7mm socket to remove the access cover under the steering wheel.

FAQs About 2021 Ram 2500 Fuse Boxes

    • Where is the engine compartment fuse box located?
      The engine compartment fuse box is located near the battery.
    • How do I know if a fuse is blown?
      A blown fuse typically has a broken metal strip inside or may appear discolored.
    • Can I replace fuses myself?
      Yes, replacing fuses is straightforward and can be done with minimal tools.

Understanding your 2021 Ram 2500's fuse box layout will help you maintain your vehicle effectively and troubleshoot any electrical issues that may arise.