Where are the fuse boxes located?
- Passenger compartment fuse panel / power distribution box : The fuse panel is located under the right-hand side of the instrument panel.
- Engine Compartment Relay Box: The power distribution box is located in the engine compartment. The power distribution box contains high-current fuses that protect your vehicle’s main electrical systems from overloads.
1. Passenger Compartment
2021 Ford F 150 Under Dash Fuse Box Location
How to access fuse panel ?
Remove the trim panel and fuse box cover to access the fuses.
To remove the trim panel for access to the fuse box, pull the panel toward you and swing it out away from the side and remove it. To reinstall it, line up the tabs with the
grooves on the panel, then push it shut.
2. Under Hood Fuse Box
2021 Ford F 150 Under Hood Fuse Box Location
2021 Ford F 150 Fuse Box Diagram
Passenger Compartment Fuse Panel
2021 Ford F 150 Under Dash Fuse Box Diagram
2021 Ford F 150 Under Dash Fuse Details
| № | Rating | Function |
|---|---|---|
| 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 | Tráiler brake switch. |
| 22 | 5 A | Not used. |
| 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 pedáis. |
| 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 CB | Rear power windows. |
2021 Ford F 150 Under Hood Fuse Box
2021 Ford F 150 Under Hood Fuse Box Diagram
2021 Ford F 150 Under Hood Fuse Box Details
| № | 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. |
| 8 | 20 A | Powertrain control module power (hybrid). |
| 8 | 10 A | Powertrain control module power (gas, diesel, Raptor, Tremor). |
| 9 | 20 A | Powertrain control module power (gas, hybrid). |
| 10 | 20 A | Powertrain control module power (diesel). |
| 11 | 30 A | Starter motor. |
| 13 | 40 A | Blower motor. |
| 15 | 25 A | Horn. |
| 19 | 20 A | Snow plow switch (gas). Rear heated seats (gas, diesel, 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). Transmission control module (diesel). Glow plug control module (diesel). |
| 25 | 10 A | Center high-mounted stop lamp camera. Tráiler 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. 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 tum lamps (4-pin connector). |
| 58 | 10 A | Trailer tow backup lamps. |
| 60 | 15 A | Upfitterl 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 | 15 A | Transmission control module (diesel). |
| 67 | 20 A | Transmission run/start. |
| 69 | 30 A | Left-hand windshield wiper. |
| 82 | 25 A | Four-wheel drive. |
| 83 | 50 A | Supplemental heater (diesel). |
| 84 | 50 A | Supplemental heater (diesel). |
| 85 | 50 A | Supplemental heater (diesel). |
| 86 | 25 A | Selective catalytic reduction system (diesel). |
| 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 (pólice). |
| 121 | 30 A | Fuel filter heater (diesel). |
| 124 | 5 A | Rain sensor module. |
| 125 | 10 A | USB smart charger. |
| 134 | 25 A | Multi-contour seats relay (gas, diesel, 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). |
| 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). |
| Relays | ||
| R04 | Electronic fan relay 1. | |
| R06 | Electronic fan relay 3. | |
| R35 | Supplemental heater (diesel). | |
| R36 | Supplemental heater (diesel). |
WARNING: The terminal and harness assignments for individual connectors may vary depending on the vehicle’s equipment level, model, and market. It is recommended to refer to the fuse box diagram provided at the back of the fuse box cover for accurate information.
