2023 Ford F550 Fuse Box Diagram

In this technical guide, we will explore the 2023 Ford F550 fuse box diagram, and reveal its precise location, explore power distribution, and provide valuable maintenance and troubleshooting tips.

By the end, you’ll gain a better understanding of handling potential electrical issues and maintaining the smooth operation of your truck.

Identifying the 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

2023 Ford F550 Fuse Box Diagram (Under Hood Fuse Box)

The Under Hood Fuse Box on the 2023 Ford F550 features high-current fuses that are responsible for handling the overall performance of the vehicle.

To access this fuse box, you need to open the hood of your 2023 F550.

Item	Rating	Protected Component
1	50 A	Cooling fan 1.
2	50 A	Heater.
3	50 A	Heater.
4	50 A	Heater.
9	30 A	Four-wheel drive module.
10	30 A	Compressed natural gas module switch.
12	60 A	Anti-lock brake system pump.
13	30 A	Passenger power seat.
14	40 A	Anti-lock brake system valve.
15	30 A	Body control module RP2 bus.
21	10 A	Trailer tow backup lamps.
22	10 A	Four-wheel drive system.
23	20 A	Vehicle power 1.
24	20 A	Vehicle power 2 (gas).
	10 A	Vehicle power 2 (diesel).
25	15 A	Vehicle power 3 (gas).
	10 A	Vehicle power 3 (diesel).
26	20 A	Vehicle power 4.
27	10 A	Vehicle power 5 (gas).
	20 A	Vehicle power 5 (diesel).
29	15 A	Diesel exhaust fluid tank heater.
30	15 A	Diesel exhaust fluid line heater.
31	15 A	Glow plug and dosing module.
34	20 A	Rear heated seats.
36	30 A	Climate controlled seat module.
37	5 A	24 V alternator.
38	10 A	Powertrain control module.   Transmission control module.
39	10 A	Anti-lock brake system.
40	10 A	Electronic power assist steering.
41	10 A	Blind spot information system.   Trailer tow tire pressure monitoring system.   Rear electronic module controller area network.
42	10 A	Snowplow.
43	15 A	Interior power distribution box run/start.
45	15 A	Heated steering wheel.
46	20 A	Not used (spare).
47	5 A	Not used (spare).
48	30 A	Amplifier.
49	25 A	Not used (spare).
51	40 A	Blower motor.
52	—	Not used.
53	10 A	Four-wheel drive – transfer case control module.
54	10 A	Not used (spare).
55	10 A	Not used (spare).
56	40 A	Electronic power assist steering.
57	20 A	Trailer tow lighting module.
58	50 A	Customer interface module.
59	60 A	Inverter.
60	60 A	Interior power distribution box B+.
61	30 A	Vehicle battery 2.
62	5 A	Smart trailer hitch.
63	10 A	Smart data link connector.   Enhanced central gateway.
64	5 A	Glow plug relay coil (diesel).
65	10 A	Compressed natural gas module power.
74	30 A	Trailer brake control.   Aftermarket e-brake access.
75	30 A	Compressed natural gas powered at all times.
76	25 A	Trailer tow lighting module battery charge.
77	30 A	Vehicle battery 1.
78	20 A	Power point 2.
79	20 A	Power point 1.
84	20 A	Horn.
85	40 A	Heated rear windshield.
91	5 A	Headlamp control module.
92	15 A	Left-hand headlamp.
93	15 A	Right-hand headlamp.
94	20 A	Power point 3.
95	20 A	Power point 4.   Smart charge module.
98	10 A	Tailgate release.
101	50 A	Customer interface module.
102	5 A	Rain sensor.
103	30 A	Front wiper motor.
105	30 A	Fuel pump.
106	30 A	Body control module RP1 bus.
107	25 A	Trailer tow park lamps.
108	40 A	Driver power seat.
109	30 A	Starter motor.
111	30 A	Power sliding rear window.

2023 Ford F550 Fuse Box Diagram (Interior Fuse Box)

Item	Rating	Protected Component
1	30 A	Power windows.
2	30 A	Powered tailgate module.
3	30 A	Passenger door module.
4	15 A	Multi-contour seats.
5	—	Not used.
6	—	Not used.
7	20 A	Advanced driver assistance system module.
8	10 A	Delayed accessory logic.
9	—	Not used.
10	—	Not used.
11	5 A	Instrument cluster.
12	—	Not used.
13	7.5 A	Not used (spare).
14	15 A	SYNC.
15	5 A	Center high-mounted stop lamp camera.
16	—	Not used.
17	—	Not used.
18	10 A	Radio transceiver module.   Four-wheel drive switch.   Enhanced central gateway.
19	—	Not used.
20	5 A	Inverter.
21	5 A	Upfitter switch.
22	10 A	Auxiliary camera.
23	—	Not used.
24	30 A	Moonroof.
25	5 A	Not used (spare).
26	5 A	Not used (spare).
27	5 A	Trailer brake control switch.
28	5 A	Electrochromatic mirror.
29	5 A	Heating, ventilation and air conditioning.
30	—	Not used.
31	—	Not used.
32	—	Not used.
33	10 A	Brake on-off switch.
34	7.5 A	Steering column control module.   Instrument cluster.
35	5 A	Rear heated seats.
36	7.5 A	Manual shift.   Select shift switch.
37	5 A	Head up display.
38	7.5 A	Telematics control unit.
39	—	Not used.
40	10 A	Left-hand door switch.   Telescopic exterior mirror switch.
41	10 A	Adjustable pedals.
42	5 A	Central security module.
43	5 A	Headlamps.   Ignition switch.
44	30 A	Driver door module.
45	7.5 A	Wireless accessory charger module.   Driver front seat module.
46	20 A	Radio.
47	—	Not used.
48	—	Not used.
49	7.5 A	SYNC display screen.
50	5 A	Auxiliary smart data link connector.
51	—	Not used.