2022 FORD F-150 Fuses Operation
The way the fuses work in the Ford F-150 is a key part of keeping its complex electrical systems safe. Fuses are secure barriers that stop the flow of electricity if there is an overload or a short circuit, which could damage parts or even be dangerous. Placed in the fuse box, these small but important devices are the first line of defense. They stop sensitive parts from getting too much power. Fuses make sure that important systems like lights, music, power windows, and more are safe by breaking the circuit when they need to. Understanding how fuses work and how to change them correctly not only helps keep the car running at its best but also adds to the safety and dependability that the Ford F-150 is known for.
FUSE PRECAUTIONS
WARNING: Always disconnect the battery before servicing high-current fuses.
WARNING: To reduce the risk of electrical shock, always replace the cover to the power distribution box before reconnecting the battery or refilling fluid reservoirs.
WARNING: Always replace a fuse with one that has the specified amperage rating. Using a fuse with a higher amperage rating can cause severe wire damage and could start a fire.
UNDER HOOD FUSE BOX
LOCATING THE UNDER HOOD FUSE BOX
ACCESSING THE UNDER HOOD FUSE BOX
IDENTIFYING THE FUSES IN THE UNDER HOOD FUSE BOX
| Item | Rating | Protected Component |
| 1 | 40 A | Body control module – battery power in feed 1. |
| 3 | 40 A | Body control module – battery power in feed 2. |
| 4 | 30 A | Fuel pump. |
| 5 | 5 A | Powertrain control module coil. |
| 6 | 25 A | Powertrain control module power (gas, hybrid). |
| 7 | 20 A | Powertrain control module power. |
| Item | Rating | Protected Component |
| 8 | 20 A | Powertrain control module power (hybrid). |
| 10 A | Powertrain control module power (gas, Raptor, Tremor). | |
| 9 | 20 A | Powertrain control module power (gas, hybrid). |
| 10 | — | Not used. |
| 11 | 30 A | Starter motor. |
| 13 | 40 A | Blower motor. |
| 15 | 25 A | Horn. |
| 19 | 20 A | Snowplow switch (gas). Rear heated seats (gas, hybrid). |
| 21 | 10 A | Headlamp run/start feed. |
| 22 | 10 A | Electronic power assist steering. |
| 23 | 10 A | Electric brake boost. |
| 24 | 10 A | Powertrain control module (gas, hybrid). |
| 25 | 10 A | Center high-mounted stop lamp camera.
Trailer camera. 2 kW inverter. 24 V alternator – run/start feed. Analog rear video camera. |
| 28 | 50 A | Electric brake boost. |
| 29 | 50 A | Electric brake boost. |
| 30 | 40 A | Driver power seat. |
| 31 | 30 A | Passenger power seat. |
| 32 | 20 A | Auxiliary power point. |
| 33 | 20 A | Auxiliary power point. |
| Item | Rating | Protected Component |
| USB smart charger. | ||
| 34 | 20 A | Auxiliary power point. |
| 37 | 30 A | Tailgate module. |
| 38 | 40 A | Climate controlled seat module.
Power running boards. |
| 41 | 25 A | Power sliding back window. |
| 42 | 30 A | Trailer brake control module. |
| 47 | 50 A | Cooling fan (gas, hybrid, Raptor, Tremor). |
| 48 | 20 A | Rear heated seats (Raptor, Tremor) |
| 49 | 50 A | Cooling fan (gas, hybrid, Raptor, Tremor). |
| 50 | 40 A | Heated backlight (gas, hybrid). |
| 55 | 30 A | Trailer tow park lamps. |
| 56 | 20 A | Trailer tow stop and turn lamps (4-pin connector). |
| 58 | 10 A | Trailer tow backup lamps. |
| 60 | 15 A | Upfitter 1 relay (Raptor, Tremor). |
| 61 | 15 A | Upfitter 2 relay (Raptor, Tremor). |
| 62 | 10 A | Upfitter 3 relay (Raptor, Tremor). |
| 63 | 10 A | Upfitter 4 relay (Raptor, Tremor). |
| 64 | 25 A | Four-wheel drive. |
| 65 | — | Not used. |
| 67 | 20 A | Transmission run/start. |
| Item | Rating | Protected Component |
| 69 | 30 A | Left-hand windshield wiper. |
| 72 | 30 A | Not used (spare). |
| 82 | 25 A | Four-wheel drive. |
| 83 | — | Not used. |
| 84 | — | Not used. |
| 85 | — | Not used. |
| 86 | — | Not used. |
| 91 | 20 A | Trailer tow light module. |
| 95 | 15 A | Powertrain control module power (hybrid). |
| 98 | 10 A | Powertrain control module power (hybrid).
Coolant pumps (hybrid). |
| 100 | 15 A | Left-hand headlamps. |
| 101 | 15 A | Right-hand headlamps. |
| 105 | 50 A | Active front steering. |
| 107 | 30 A | Trailer tow battery charge. |
| 108 | 15 A | Spot lamps (police). |
| 121 | — | Not used. |
| 124 | 5 A | Rain sensor module. |
| 125 | 10 A | USB smart charger. |
| 134 | 25 A | Multi-contour seats relay (gas, hybrid). |
| 138 | 10 A | Tailgate release. |
| 139 | 5 A | USB smart charger. |
| 146 | 15 A | Traction battery control module (hybrid). |
| 147 | 40 A | Change air cooler fan relay (Raptor, Tremor). |
| Item | Rating | Protected Component |
| 159 | 5 A | DC/DC power (hybrid). |
| 160 | 10 A | Smart data link control. |
| 168 | 15 A | Traction battery control module (hybrid). |
| 169 | 10 A | Motor electric cool pump (hybrid). |
| 170 | 10 A | Pedestrian alert control module (hybrid).
Traction battery control module (hybrid). Electric motor cool pump (hybrid). |
| 202 | 60 A | Body control module B+. |
| 210 | 30 A | Body control module start/ stop. |
| 305 | 5 A | Upfitter 5 relay (Raptor, Tremor). |
| 306 | 5 A | Upfitter 6 relay (Raptor, Tremor). |
| Relay Number | Protected Component |
| R04 | Electronic fan relay 1. |
| R06 | Electronic fan relay 3. |
| R35 | Not used. |
| R36 | Not used. |
BODY CONTROL MODULE FUSE BOX
LOCATING THE BODY CONTROL MODULE FUSE BOX
ACCESSING THE BODY CONTROL MODULE FUSE BOX
IDENTIFYING THE FUSES IN THE BODY CONTROL MODULE FUSE BOX
| Fuse Loca- tion | Fuse Rating | Protected Component |
| 1 | — | Not used. |
| 2 | 10 A | Delayed accessory feed. |
| 3 | 7.5 A | Wireless charger. |
| 4 | 20 A | Not used. |
| 5 | — | Not used. |
| 6 | 10 A | Driver power window switch. |
| 7 | 10 A | Gear shift module. |
| 8 | 5 A | Cell phone passport module. |
| 9 | 5 A | Combined sensor module. |
| 10 | — | Not used. |
| 11 | — | Not used. |
| 12 | 7.5 A | Enhanced central gateway.
Climate control. |
| 13 | 7.5 A | Instrument cluster.
Steering column control module. |
| 14 | 15 A | Not used (spare). |
| 15 | 15 A | Integrated control panel.
SYNC. |
| 16 | — | Not used. |
| 17 | 7.5 A | Headlamp control module. |
| 18 | 7.5 A | Not used. |
| 19 | 5 A | Headlamp switch. |
| 20 | 5 A | Passive start. Ignition switch.
Key inhibit solenoid. |
| 21 | 5 A | Trailer brake switch. |
| 22 | 5 A | Not used. |
| Fuse Loca- tion | Fuse Rating | Protected Component |
| 23 | 30 A | Driver door control module. |
| 24 | 30 A | Moonroof. |
| 25 | 20 A | Not used. |
| 26 | 30 A | Passenger door control module. |
| 27 | 30 A | Not used. |
| 28 | 30 A | Amplifier. |
| 29 | 15 A | 12 inch display. Adjustable pedals. |
| 30 | 5 A | Not used. |
| 31 | 10 A | RF receiver. Driver monitor.
Terrain management switch. |
| 32 | 20 A | Audio control module. |
| 33 | — | Not used. |
| 34 | 30 A | Run/start relay. |
| 35 | 5 A | 400 watt inverter run/start. |
| 36 | 15 A | Auto-dimming interior mirror. Rear heat seat run/start.
Adaptive front steering run/start. Heated wheel (vehicles without adaptive front steering). |
| 37 | 20 A | Advanced driver-assistance systems. |
| 38 | 30 A circuit breaker. | Rear power windows. |
IDENTIFYING FUSE TYPES
- A Micro 2.
- B Micro 3.
- C Maxi.
- D Mini.
- E M Case.
- F J Case.
- G J Case Low Profile.
- H Slotted M Case.
FUSES – TROUBLESHOOTING
FUSES – FREQUENTLY ASKED QUESTIONS
- When do I need to check a fuse?
If electrical components in the vehicle are not working. - When do I need to replace a fuse?
If a fuse has blown. - How do I identify a blown fuse?
You can identify a blown fuse by a broken wire within the fuse.
FAQ
Fuses are electrical safety devices that protect various components of the F-150’s electrical system by breaking the circuit if there’s an overload or short circuit.
The fuses are typically located in the fuse box, which is often found in the engine compartment or under the dashboard.
A blown fuse can be identified by a broken wire visible through the transparent plastic casing or a burnt appearance.
Fuses can blow due to electrical overloads, short circuits, faulty components, or wiring issues.
No, it’s important to replace a blown fuse with a fuse of the same rating as the original. Using a higher-rated fuse can damage the components or create a safety hazard.
To replace a fuse, locate the fuse box, use the provided fuse puller or pliers, and gently remove the blown fuse. Then insert a new fuse of the same rating into the slot.
Different fuse colors often indicate different amperage ratings. This helps identify the correct fuse for replacement.
Yes, a multimeter can help you test whether a fuse is functioning properly or not.
It’s generally a good practice to disconnect the battery before working with the electrical system to avoid accidental short circuits.
The fuse box diagram displays the layout and amperage ratings of each fuse, making it easier to locate and replace a blown fuse.
It depends on which component the blown fuse controls. However, it’s recommended to replace the fuse as soon as possible to ensure the proper functioning of your vehicle’s systems.
Many F-150s come with a set of spare fuses in the fuse box or in the owner’s manual compartment.
Fuses and circuit breakers serve similar purposes, but fuses need to be replaced after blowing, while circuit breakers can be reset after tripping.
It’s recommended to use an auxiliary fuse block or tap into a dedicated accessory fuse slot to avoid overloading the existing circuits.
Regularly check for faulty wiring, ensure proper installation of aftermarket accessories, and avoid overloading the electrical system to prevent frequent fuse blowing.
Useful Link:
View Full PDF: 2022 FORD F-150 |Auto User Guide
2022 FORD F-150 All Wheel Drive (AWD) Instructions