2020 Ford F550 Fuse Box Diagram

Are you seeking a solution to demystify the electrical system of your 2020 Ford F550? Look no further! We have just the tool you need – the 2020 Ford F550 Fuse Box Diagram. This handy diagram holds the key to comprehending the inner workings of your vehicle’s electrical components with ease.

Identifying the Fuse Types

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CALLOUTFUSE TYPE

A
Micro 2
BMicro 3
CMaxi
DMini
EM Case
FJ Case
GJ Case Low Profile

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.

2020 Ford F550 Fuse Box Diagram (Engine Compartment)

The engine compartment houses the fuse box, which contains the high-current fuses responsible for protecting the essential electrical systems of your vehicle from overloads.

To reach the engine compartment fuse box, simply open the hood of your 2020 F550.

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WARNING   WARNING:  Always disconnect the battery before servicing high-current fuses.
WARNING   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.
Fuse Number  Fuse Rating  Protected Component  
1  20 APower point 4.  
2  20 APower point 3.  
3  10 ASpot light module.  
4  10 AFour-wheel drive vacuum solenoid.  
5  40 AActive front steering.  
6  10 ASnow plow.  
7  30 ATrailer tow battery charge.  
8  10 AAnti-lock brake system module.  
9  10 AElectronic power assisted steering module.  
10  30 ATrailer tow park lamps.  
11  20 AHorn.  
12  30 ATorque overlay.  
13  30 APower sliding rear window.  
14  40 ABody control module – battery power in feed 1.  
15  30 APassenger seat power.  
16  10 APowertrain control module.   Transmission control module.  
17  10 ABlind spot information system.  
18  10 AFour-wheel drive module.  
19  5 AAdaptive cruise control.  
20  15 AHeated mirrors.  
21  40 AHeated rear window.  
22  10 AOn-board diagnostic module.   Smart data link connector.  
23  15 ATransmission control module.  
24  30 ADriver power seat.  
25  25 AVoltage quality module.  
26  30 ATrailer tow battery charge.  
27  20 ARear heated seats.  
28  25 AGlow plug (diesel).  
—  Not used (gas).  
29  40 AElectric power assisted steering motor.  
30  10 AHeated wiper park.  
31  20 APower point 5.  
32  25 AFour-wheel drive module.  
33  10 AAlternator sense line 2.  
34  50 AElectric cooling fan (gas).   Supplemental air heater (diesel).  
35  20 APower point 2.  
36  20 APower point 1.  
37  60 AAnti-lock brake system pump.  
38  60 AInverter.  
39  25 AFour-wheel drive module.  
40  30 AStarter motor solenoid.  
41  10 ATailgate release solenoid.  
42  40 ABlower motor.  
43  10 ATrailer tow backup lamps.  
44  40 ATrailer tow lighting module.  
45  30 AAnti-lock brake system valve.  
46  30 ACompressed natural gas module power.  
47  50 ASupplemental air heater (diesel).  
—  Not used (gas).  
48  50 ASupplemental air heater (diesel).  
—  Not used (gas).  
49  —  Not used.  
50  30 AHeated and cooled seats.  
51  20 APowertrain control module.  
52  15 ACompressed natural gas (gas).   Fuel rail pressure relief control (diesel).  
53  20 AExhaust 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 AA/C clutch relay power.   Fan clutch.  
55  5 ARain sensor.  
56  30 AWindshield wipers.  
57  10 AUpfitter interface module.  
58  10 AAlternator sense line.  
59  30 APower running boards.  
60  40 ABody control module – battery power in feed 2.  
61  10 ATelescopic mirror motors.  
62  40 ATrailer brake control.   Aftermarket e-brake access.  
63  15 AMulti-contour seats.  
64  20 AIgnition coil (gas).   Glow plug module (diesel).   Nitrogen oxide module (diesel).   Urea level and quality sensor (diesel).  
65  30 AFuel pump.  
66  10 AA/C clutch solenoid.  
67  40 AAuxiliary lighting module.  
68  10 APowertrain control module.  
69  60 ABody control module power.  
70  30 ATrailer tow stop and turn lamps.  

Note:   Spare fuse amperage may vary.

2020 Ford F550 Passenger Compartment Fuse Panel Diagram

The fuse panel is on the right-hand side of the passenger footwell behind a trim panel. To remove the trim panel, pull it toward you and swing it away from the side. To reinstall it, line up the tabs with the grooves on the panel, and then push it shut.

Note:   It may be easier to access the fuse panel if you remove the finish trim piece.

Fuse Number  Fuse Rating  Protected Component  
1  —  Not used.  
2  10 ADriver door pack switch.   Power sliding rear window switch.  
3  7.5 ASeat memory switch.   Power lumbar motor.   Wireless charging module.  
4  —  Not used.  
5  —  Not used.  
6  10 APower telescoping mirrors switch.   Front power windows switch.  
7  10 ABrake on-off switch.  
8  5 AEmbedded modem.  
9  5 ACombined sensor module.  
10  —  Not used.  
11  —  Not used.  
12  7.5 AOn-board diagnostic module.   Smart data link connector.   Climate control module.  
13  7.5 ASteering column control module.   Instrument cluster.  
14  —  Not used.  
15  15 ASYNC.   Display.  
16  —  Not used.  
17  7.5 AActive front steering module.   Park aid module.  
18  7.5 ASelectable drive modes switch.   Select shift switch.  
19  5 AHead up display.  
20  5 AIgnition switch.   Key inhibit solenoid.  
21  5 AHead up display.   In-vehicle temperature and humidity sensor.  
22  5 AUpfitter switches.  
23  30 ADriver front door module.  
24  30 AMoonroof.  
25  —  Not used.  
26  30 APassenger front door module.  
27  —  Not used.  
28  30 AAmplifier.  
29  15 AAdjustable pedals switch.  
30  5 ABrake on-off output to trailer brake controller and customer access circuits.  
31  10 ARemote keyless entry.  
32  20 ARadio.  
33  —  Not used.  
34  30 ARun/start relay.  
35  —  Not used.  
36  15 ACamera module.   Lane keeping system.   Auto-dimming interior mirror.   Rear heated seats.  
37  20 AHeated steering wheel.  
38  30 APower windows.  

Note:   Spare fuse amperage may vary.

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.

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