2019 Ford Explorer Fuse Box Diagram & Amperage

Quick Answer

The 2019 Ford Explorer features three main fuse box locations: under the hood (Battery Junction Box), inside the cabin (Smart Junction Box, passenger kick panel), and in the cargo area (rear Smart Junction Box).

Under-Hood Fuse Box (Battery Junction Box)

The under-hood fuse box, also known as the Battery Junction Box (BJB), is located in the engine compartment on the driver's side, near the battery. It houses fuses and relays for critical engine components, lighting, and other high-current systems. Always verify the fuse panel diagram on the underside of the fuse box cover for your specific vehicle configuration.

Relay Locations (Under-Hood BJB):

• R1: Cooling Fan Relay
• R2: Fuel Pump Relay
• R3: Powertrain Control Module (PCM) Relay
• R4: Starter Relay
• R5: A/C Clutch Relay
• R6: Horn Relay

Interior Fuse Box (Passenger Kick Panel)

The interior fuse box, often called the Smart Junction Box (SJB), is located behind the kick panel on the passenger side of the cabin. It typically controls interior accessories, power windows, radio, and other comfort features.

Cargo Area Fuse Box (Rear Smart Junction Box)

Another Smart Junction Box (SJB) is located in the cargo area on the driver's side, behind a trim panel. This fuse box generally manages rear-specific accessories, power outlets, and lighting.

How to Test a Fuse

Testing a fuse is a straightforward process and requires a fuse puller (usually found in the fuse box) and a multimeter or a simple fuse tester. Always ensure the ignition is off before working with fuses.

1. Locate the Fuse Box: Identify the correct fuse box for the circuit you are testing. Refer to the fuse box diagrams above or the legend on the fuse box cover.
2. Identify the Suspect Fuse: Find the fuse number corresponding to the component that is not working.
3. Remove the Fuse: Using the fuse puller, carefully extract the suspect fuse straight out. Avoid twisting.
4. Visual Inspection: Examine the fuse. If the metal wire or ribbon inside is broken or burnt, the fuse is blown and needs replacement.
5. Test with a Multimeter (Optional but Recommended): Set your multimeter to the continuity setting (often indicated by a speaker or a diode symbol). Touch one probe to each metal terminal of the fuse. If the multimeter beeps or shows a reading close to zero ohms, the fuse is good. If there is no beep or an "OL" (open loop) reading, the fuse is blown.
6. Replace the Fuse: If the fuse is blown, replace it with a new fuse of the exact same amperage (A) and type. Using a fuse with a higher amperage can cause severe electrical damage or fire.

Common Blown Fuses on This Vehicle

While any fuse can blow, some circuits are more prone to issues due to common usage or potential overload. If you experience an issue, always check the relevant fuse first.

• Cigar Lighter/12V Power Outlets: These are frequently blown due to overloads from charging multiple devices or using high-power accessories. Check the 20A fuse in the interior and cargo area fuse boxes (F2 in interior, F1 in cargo).
• Blower Motor: If your climate control fan stops working, especially on high speeds, the blower motor fuse (F5, 40A in the under-hood box) is a common culprit. Ensure no obstructions are in the blower motor itself.
• Radio/Infotainment: If your radio or display goes blank, check the 10A radio fuse (F1 in the interior fuse box). Before replacing, ensure no aftermarket accessories are drawing excessive power.
• Headlights: If one or both headlights are out (and bulbs are good), check the respective 15A (low beam) and 10A (high beam) fuses (F7, F8, F9, F10 in the under-hood box). On some trims, LED headlights may be controlled differently, but the primary power often routes through standard fuses.
• Trailer Brake/Trailer Tow Fuses: If you use a trailer frequently and experience issues, check the 30A trailer brake (F13, under-hood) and 15A trailer tow lamp fuses (F7, F8, cargo area). These are common to blow with trailer wiring faults or overloads.

Always consult your owner's manual for the most accurate and specific fuse box diagrams for your particular trim level of the 2019 Ford Explorer, as minor variations can occur.

Find a trusted shop on Repairius.