In this article, we will find out the intricacies of the 2020 Ford F250 fuse box diagram, unraveling the mystery behind the fuses and relays that control the vehicle’s electrical operations.
Identifying the Fuse Types
2020 Ford F250 Engine Compartment Fuse Box Diagram
The fuse box located in the engine compartment is where you’ll find the high-current fuses. These fuses serve the important role of safeguarding the primary electrical systems of your vehicle by preventing overloads.
To access the engine compartment fuse box, you need to open the hood of your F250.
Fuse Number | Fuse Rating | Protected Component |
1 | 20 A | Power point 4. |
2 | 20 A | Power point 3. |
3 | 10 A | Spot light module. |
4 | 10 A | Four-wheel drive vacuum solenoid. |
5 | 40 A | Active front steering. |
6 | 10 A | Snow plow. |
7 | 30 A | Trailer tow battery charge. |
8 | 10 A | Anti-lock brake system module. |
9 | 10 A | Electronic power assisted steering module. |
10 | 30 A | Trailer tow park lamps. |
11 | 20 A | Horn. |
12 | 30 A | Torque overlay. |
13 | 30 A | Power sliding rear window. |
14 | 40 A | Body control module – battery power in feed 1. |
15 | 30 A | Passenger seat power. |
16 | 10 A | Powertrain control module. Transmission control module. |
17 | 10 A | Blind spot information system. |
18 | 10 A | Four-wheel drive module. |
19 | 5 A | Adaptive cruise control. |
20 | 15 A | Heated mirrors. |
21 | 40 A | Heated rear window. |
22 | 10 A | On-board diagnostic module. Smart data link connector. |
23 | 15 A | Transmission control module. |
24 | 30 A | Driver power seat. |
25 | 25 A | Voltage quality module. |
26 | 30 A | Trailer tow battery charge. |
27 | 20 A | Rear heated seats. |
28 | 25 A | Glow plug (diesel). |
— | Not used (gas). | |
29 | 40 A | Electric power assisted steering motor. |
30 | 10 A | Heated wiper park. |
31 | 20 A | Power point 5. |
32 | 25 A | Four-wheel drive module. |
33 | 10 A | Alternator sense line 2. |
34 | 50 A | Electric cooling fan (gas). Supplemental air heater (diesel). |
35 | 20 A | Power point 2. |
36 | 20 A | Power point 1. |
37 | 60 A | Anti-lock brake system pump. |
38 | 60 A | Inverter. |
39 | 25 A | Four-wheel drive module. |
40 | 30 A | Starter motor solenoid. |
41 | 10 A | Tailgate release solenoid. |
42 | 40 A | Blower motor. |
43 | 10 A | Trailer tow backup lamps. |
44 | 40 A | Trailer tow lighting module. |
45 | 30 A | Anti-lock brake system valve. |
46 | 30 A | Compressed natural gas module power. |
47 | 50 A | Supplemental air heater (diesel). |
— | Not used (gas). | |
48 | 50 A | Supplemental air heater (diesel). |
— | Not used (gas). | |
49 | — | Not used. |
50 | 30 A | Heated and cooled seats. |
51 | 20 A | Powertrain control module. |
52 | 15 A | Compressed natural gas (gas). Fuel rail pressure relief control (diesel). |
53 | 20 A | Exhaust gas recirculation stepper motor (gas). Universal exhaust gas oxygen sensors (gas). Exhaust gas recirculation cooler bypass (diesel). Urea pump motor controller (diesel). Oxygen sensors. |
54 | 20 A | A/C clutch relay power. Fan clutch. |
55 | 5 A | Rain sensor. |
56 | 30 A | Windshield wipers. |
57 | 10 A | Upfitter interface module. |
58 | 10 A | Alternator sense line. |
59 | 30 A | Power running boards. |
60 | 40 A | Body control module – battery power in feed 2. |
61 | 10 A | Telescopic mirror motors. |
62 | 40 A | Trailer brake control. Aftermarket e-brake access. |
63 | 15 A | Multi-contour seats. |
64 | 20 A | Ignition coil (gas). Glow plug module (diesel). Nitrogen oxide module (diesel). Urea level and quality sensor (diesel). |
65 | 30 A | Fuel pump. |
66 | 10 A | A/C clutch solenoid. |
67 | 40 A | Auxiliary lighting module. |
68 | 10 A | Powertrain control module. |
69 | 60 A | Body control module power. |
70 | 30 A | Trailer tow stop and turn lamps. |
2020 Ford F250 Passenger Compartment Fuse Box Diagram
The fuse panel can be found on the right-hand side of the passenger footwell, concealed behind a trim panel. To access it, simply pull the trim panel towards you and swing it away from the side. When reinstalling the trim panel, make sure to align the tabs with the grooves on the panel, and then push it firmly until it clicks shut.
Fuse Number | Fuse Rating | Protected Component |
1 | — | Not used. |
2 | 10 A | Driver door pack switch. Power sliding rear window switch. |
3 | 7.5 A | Seat memory switch. Power lumbar motor. Wireless charging module. |
4 | — | Not used. |
5 | — | Not used. |
6 | 10 A | Power telescoping mirrors switch. Front power windows switch. |
7 | 10 A | Brake on-off switch. |
8 | 5 A | Embedded modem. |
9 | 5 A | Combined sensor module. |
10 | — | Not used. |
11 | — | Not used. |
12 | 7.5 A | On-board diagnostic module. Smart data link connector. Climate control module. |
13 | 7.5 A | Steering column control module. Instrument cluster. |
14 | — | Not used. |
15 | 15 A | SYNC. Display. |
16 | — | Not used. |
17 | 7.5 A | Active front steering module. Park aid module. |
18 | 7.5 A | Selectable drive modes switch. Select shift switch. |
19 | 5 A | Head up display. |
20 | 5 A | Ignition switch. Key inhibit solenoid. |
21 | 5 A | Head up display. In-vehicle temperature and humidity sensor. |
22 | 5 A | Upfitter switches. |
23 | 30 A | Driver front door module. |
24 | 30 A | Moonroof. |
25 | — | Not used. |
26 | 30 A | Passenger front door module. |
27 | — | Not used. |
28 | 30 A | Amplifier. |
29 | 15 A | Adjustable pedals switch. |
30 | 5 A | Brake on-off output to trailer brake controller and customer access circuits. |
31 | 10 A | Remote keyless entry. |
32 | 20 A | Radio. |
33 | — | Not used. |
34 | 30 A | Run/start relay. |
35 | — | Not used. |
36 | 15 A | Camera module. Lane keeping system. Auto-dimming interior mirror. Rear heated seats. |
37 | 20 A | Heated steering wheel. |
38 | 30 A | Power windows. |
Tom Smith is a passionate car mechanic and automotive enthusiast, specializing in the intricate world of car fuse boxes. With years of hands-on experience under the hood, he has earned a reputation as a reliable expert in his field. As the founder and content creator of the popular blog website 'carsfuse.com,' Tom has dedicated himself to sharing his extensive knowledge of car fuse boxes and electrical systems with the world.