2024 Ford F-250 Super Duty Fuse Box Diagram & Amperage

Quick Answer

The 2024 Ford F-250 Super Duty typically has multiple fuse box locations to manage its complex electrical system. These are generally found in the following locations:

• Under-hood Power Distribution Box: Located in the engine compartment, usually near the battery or on the driver's side.
• Passenger Compartment Fuse Panel: Often located on the passenger side kick panel or behind the glove compartment.
• Rear Seat Power Distribution Box (or similar): Some configurations, especially those with extensive towing or upfitter options, may have an additional fuse panel in the rear or under the rear seats.

Under-hood Power Distribution Box

This fuse box is the primary distribution point for many high-current circuits, including the powertrain control module (PCM), fuel pump, ignition, and various engine and lighting components. Always refer to the fuse diagram on the inside of the fuse box cover for the most accurate information for your specific vehicle trim.

Common Relays in this Box:

• R1: PCM Relay
• R2: Fuel Pump Relay
• R3: Starter Relay
• R4: Headlight Relay (Low Beam)
• R5: Headlight Relay (High Beam)
• R6: Trailer Tow Park Lamp Relay
• R7: Trailer Tow Backup Lamp Relay
• R8: Cooling Fan Relay

Passenger Compartment Fuse Panel

This fuse panel protects circuits related to interior accessories, safety features, and convenience items. It's often located on the passenger side kick panel, requiring the removal of a trim panel for access.

Common Relays in this Box:

• R10: Accessory Delay Relay
• R11: Power Window Relay

Rear Seat Power Distribution Box (or similar)

For higher trims or models equipped with specific packages (like extensive towing, camper packages, or rear-seat amenities), there might be an additional power distribution box, often located under the rear seats or in the rear cargo area. This is particularly common in Super Duty trucks due to their versatility and numerous available options. Check your owner's manual for the exact location and diagram.

How to Test a Fuse

Testing a fuse is a straightforward process:

1. Safety First: Ensure the ignition is off and the vehicle is in park with the parking brake engaged.
2. Locate the Fuse: Identify the suspect fuse using the appropriate fuse box diagram.
3. Remove the Fuse: Use a fuse puller (usually found in one of the fuse boxes) or small needle-nose pliers to carefully remove the fuse. Avoid using metal tools that could short circuits.
4. Visual Inspection: Hold the fuse up to the light. If the metal wire or strip inside is broken or melted, the fuse is blown and needs replacement.
5. Multimeter Test (for less obvious breaks):
   • Set your multimeter to the continuity or ohm setting.
   • Touch one probe to each metal blade of the fuse.
   • A good fuse will show a reading close to zero ohms or indicate continuity (often with a beep).
   • A blown fuse will show an "OL" (open loop) or infinite resistance, indicating no continuity.
6. Replace with Correct Rating: Always replace a blown fuse with a new one of the exact same amperage rating and type/color. Using a fuse with a higher rating can lead to serious electrical damage or fire.

Common Blown Fuses on this Vehicle

On a robust truck like the 2024 Ford F-250 Super Duty, some fuses see more stress due to their role in powering frequently used or high-demand systems. If you experience an electrical issue, start by checking these common culprits:

• Cigar Lighter/12V Power Outlets (F21, F29, F40): These fuses commonly blow due to overloads from charging multiple devices, using high-power accessories, or inserting a faulty charger that creates a short circuit. If an outlet isn't working, check these first.
• Trailer Brake Controller (F10): Given the F-250's towing capabilities, issues with trailer wiring or a short in the trailer's electrical system can frequently blow this fuse. If your trailer brakes aren't working, this is a prime suspect.
• Blower Motor (F13): The blower motor fuse can blow if there's an extended blockage in the HVAC system causing the motor to overwork, or if the motor itself is failing and drawing too much current.
• Radio/Infotainment System (F20): While less common, issues with aftermarket radio installations or internal system faults can sometimes lead to this fuse blowing. If your radio is dead, check this one.
• Headlights/Tail Lights (F5, F6, F7, F8, F9): While individual bulb failures are more common, a short circuit in the wiring harness or an issue with an accessory light wired into the system can cause these fuses to blow. If an entire side or set of lights is out, check these.

What to check first: Before troubleshooting further, always verify the fuse corresponding to the non-working component. Many minor electrical issues can be resolved with a simple fuse replacement.

Find a trusted shop on Repairius.