Ford E-450 (2021 – 2026) Fuse Box Location and Diagrams

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Ford E-450 (2021 – 2026) Fuse Box Location and Diagrams

Locating the fuse box and understanding wiring layouts is essential for maintaining your Ford E-450 (2021–2026). This comprehensive guide provides clear, accessible diagrams and detailed component information to help you effectively troubleshoot electrical issues and ensure your vehicle remains safe, functional, and reliable on the road.

Fuse Box Location

Engine Compartment Fuse Box

E-450 ENGINE Compartment Fuse Box 2021-2026

Passenger Compartment Fuse Box

Fuse Box Diagrams

Engine Compartment Fuse Box

Ford E-450 (2021 – 2026)

Number	Rating	Protected Component
1	20 A	Horn
2	50 A	Blower motor
3	—	Not used
4	30 A	Starter relay
5	20 A -(2022)	Not used (spare) 2022: Not used 2024: Power point 3.
6	20 A	Upfitter relay 4 (cutaway), Not used (spare) (stripped chassis)
8	—	Not used
10	—	Not used
12	20 A	Power point 4
13	10 A	Yaw sensor (stripped chassis), Not used (spare) (cutaway)
14	10 A	Forward looking radar (cutaway), Not used (spare) (stripped chassis)
15	—	Not used
16	—	Not used
17	10 A	Powertrain control module run/start feed
18	10 A	Anti-lock brake system run/start feed
19	—	Not used
20	30 A	Wiper power
21	—	Not used
22	10 A	Wiper module (stripped chassis), Not used (spare) (cutaway)
23	—	Not used
24	40 A	Body control module – run power in feed 2
25	50 A	Body control module – run power in feed 1
26	—	Not used
27	20 A	Body builder frame connector
28	—	Not used
29	10 A	B+ power 12 V (special order vehicle)
30	30 A	Power driver seat (cutaway), Not used (spare) (stripped chassis)
31	—	Not used
32	20 A	2021:,2022,2023:Vehicle power 1 2024, 2025, 2026 Vehicle power 1 – Powertrain control module.
33	20 A	2021:,2022,2023: Vehicle power 2 2024, 2025, 2026: Vehicle power 2 – Heater exhaust gas oxygen sensor 11. Heater exhaust gas oxygen sensor 12. Heater exhaust gas oxygen sensor 21. Canister vent solenoid. Canister purge solenoid. Variable camshaft timing
34	10 A	Vehicle power 3
35	20 A	2021:,2022,2023: Vehicle power 4 2024, 2025, 2026 Vehicle power 4 – Coil on plug.
36	—	Not used
37	—	Not used
38	10 A	Washer relay (stripped chassis), Not used (spare) (cutaway)
39	—	Not used
41	30 A	Trailer brake control connector
43	30 A	Instrument panel connector (stripped chassis), Not used (spare) (cutaway)
45	—	Not used
46	10 A	A/C clutch
47	40 A	Upfitter relay 1 (cutaway), Not used (spare) (stripped chassis)
48	—	Not used
49	30 A	Pump electronics module
50	15 A	Injectors
51	20 A	Power point 1
52	50 A	2021: B-pillar vehicle connector (cutaway), Not used (spare) (stripped chassis) Power at all times (PAAT) Aux AC Prep on B-pillar vehicle connector (cutaway). Not used (spare) (stripped chassis).
53	30 A	Trailer tow park lamps
54	40 A	2021: Upfitter 2 relay (cutaway), Not used (spare) (stripped chassis) R/S feed on instrument panel connector.
55	20 A	Upfitter 3 relay (cutaway), Not used (spare) (stripped chassis)
56	20 A	Power point 2 prep B-pillar connector
58	5 A	USB smart charger
59	10 A	Park lamps 1 (special order vehicle)
60-67, 69	—	Not used
70	40 A	Inverter
71	30 A	Anti-lock brake system valves
72	10 A	Brake on and off switch
73-75	—	Not used
76	60 A	Anti-lock brake system pump
77	30 A	Voltage quality module power – body control module
78	10 A	Trailer tow stop lamps
79	—	Not used
80	10 A	Trailer tow backup lamps
81	—	Not used
82	5 A	2021: Run/start fuse – upfitter relays (cutaway), B+ fuse – upfitter relay Upfitter switch (factory location for ignition power).
83-89	—	2021: Not used Upfitter switch (optional location for power at all times).
91	40 A	2021: B-pillar (cutaway), Instrument panel (stripped chassis) Hot at all times /B+ power on B-pillar connector (cutaway). Battery power on instrurnent panel connector (stripped chassis).
93	10 A	Park lamps 3 (special order vehicle)
94	10 A	Park lamps 2 (special order vehicle)
95	20 A	Stop lamp relay
96	—	Not used
97	50 A	2021: Engine, B-pillar vehicle connector, Instrument panel Battery power to Engine, Bpillar and instrument panel vehicle connectors.
98	30 A	Trailer tow battery charge
99	40 A	2021: Instrument panel connector Upfitter 2 relay (cutaway). Not used (spare) (stripped chassis)
100-103	—	Not used
104	—	Not used
105	15 A	Trailer tow right-hand and left-hand stop and direction indicator relay power
Relay	Rating	Protected Component
R02	—	Powertrain control module, Power relay
R05	—	Not used

Passenger Compartment Fuse Box

Ford E-450 (2021 – 2026)

Item	Rating	Protected Component
1	—	Not used.
2	10 A	Left-hand front and right-hand front door lock switch (cutaway). Inverter (cutaway). Connector (stripped chassis).
3	7.5 A	Power mirror switch (cutaway).
3	—	Not used (stripped chassis).
4	20 A	Not used (spare).
5	20 A	Not used (spare).
6	10 A	Not used (spare).
7	10 A	Not used (spare).
8	5 A	Not used (spare).
9	5 A	Not used (spare).
10	—	Not used.
11	—	Not used.
12	7.5 A	Smart datalink connector.
13	7.5 A	Cluster. Steering column control module.
14	15 A	Not used (spare).
15	15 A	Not used (spare).
16	—	Not used.
17	7.5 A	Not used.
18	7.5 A	Run/start feed for front blend actuator/climate mode switch (cutaway). Run/start feed to stripped chassis connector (stripped chassis).
19	5 A	Radio transceiver module and telematics control unit (cutaway). Telematics control unit (stripped chassis).
20	5 A	Ignition switch.
21	5 A	Not used.
22	5 A	Body builder B-pillar connector (cutaway).
22	5 A	Not used (stripped chassis).
23	30 A	Not used (spare).
24	30 A	Not used (spare).
25	20 A	Not used (spare).
26	30 A	Not used (spare).
27	30 A	Not used (spare).
28	30 A	Not used (spare).
29	15 A	Upfitter interface module (cutaway).
29	—	Not used (stripped chassis).
30	5 A	Not used (spare).
31	10 A	Smart datalink connector.
32	20 A	Radio (cutaway).
33	—	Not used.
34	30 A	Not used (spare).
35	5 A	Tow haul switch.
36	15 A	Rear view mirror (cutaway). Camera lane departure (cutaway).
36	—	Not used (stripped chassis).
37	20 A	Not used (spare).
38	30 A	Power window switches and motors (cutaway).
38	—	Not used (stripped chassis).

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