Ford E-450 (2021-2022) – fuse and relay box
Fuse and Relay Box Diagrams – E-450
Applies to vehicles manufactured in the years:
2021, 2022.
Fuse box in passenger compartment
Location of the fuse box
The fuse panel is located on the left side of the brake pedal and is mounted on the lower left panel under the hood. Remove the fuse panel cover to access the fuses.
| Number | Amperes [A] | Description |
|---|---|---|
| 1 | – | Not used. |
| 2 | 10 A. | Left front and right front door lock switch (sectional view). Inverter (cross-section). Connector (cover removed). |
| 3 | 7.5 amps | Mirror power switch (sectional view). Not used (disassembled chassis). |
| 4 | 20 A. | 2021: Trailer brake control. |
| 5 | 20 A. | Not used (spare). |
| 6 | 10 A. | Not used (spare). |
| 7 | 10 A. | Not used (spare). |
| 8 | 10 A. | Not used (spare). |
| 9 | 10 A / 5 A | Not used (spare). |
| 10 | – | Not used. |
| 11 | – | Not used. |
| 12 | 7.5 amps | Intelligent data link connector. Proprietary wired device (2021). |
| 13 | 7.5 amps | Group. Steering column control module. |
| 14 | 15 A. | Not used (spare). |
| 15 | 15 A. | Not used (spare). |
| 16 | – | Not used. |
| 17 | 7.5 amps | Not used. |
| 18 | 7.5 amps | 2021: Air conditioning mode switch. 2022: R / S specification for the front switch of the mixing actuator / climate mode (sectional view). R / S power supply for removing the housing connector (isolated housing). |
| 19 | 5 A. | Transceiver module and telematics center. |
| 20 | 5 A. | Ignition switch. |
| 21 | 5 A. | Not used. |
| 22 | 5 A. | Bodybuilder B-pillar connector (sectional view). Not used (disassembled 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 (cross-section). Not used (disassembled chassis). |
| 30 | 5 A. | Not used (spare). |
| 31 | 10 A. | Intelligent data link connector. |
| 32 | 20 A. | Radio. |
| 33 | – | Not used. |
| 34 | 30 A. | Not used (spare). |
| 35 | 5 A. | Towing switch. |
| 36 | 15 A. | Rearview mirror (cut out). Reversing camera (sectional view) (2021). Exit from the camera lane (sectional view) (2022). Not used (disassembled chassis). |
| 37 | 20 A. | Not used (spare). |
| 38 | 30 A. | Rear window switches and motors (sectional view). Not used (disassembled chassis). |
Fuse box in the engine compartment
| Number | Amperes [A] | Description |
|---|---|---|
| 1 | 20 A. | Horn. |
| 2 | 50 A. | Blower motor. |
| 3 | – | Not used. |
| 4 | 30 A. | Starter relay. |
| 5 | 20 A. | Not used (spare). |
| 6 | 20 A. | Upfitter 4 (cross-section). Not used (spare) (cover removed). |
| 8 | – | Not used. |
| 10 | – | Not used. |
| 12 | 20 A. | Power point 4. |
| 13 | 10 A. | Yaw sensor (chassis removed). Not used (spare) (cross-section). |
| 14 | 10 A. | Forward-facing radar (cross-section). Not used (spare) (cover removed). |
| 15 | – | Not used. |
| 16 | – | Not used. |
| 17 | 10 A. | Powertrain control module start / start power. |
| 18 | 10 A. | Anti-lock braking system during starting / starting stroke. |
| 19 | – | Not used. |
| 20 | 30 A. | The power of the wipers. |
| 21 | – | Not used. |
| 22 | 10 A. | Wiper module (truncated undercarriage). Not used (spare) (cross-section). |
| 23 | – | Not used. |
| 24 | 40 A. | Body Control Module – Start Feed 2. |
| 25 | 50 A. | Body Control Module – Start Feed 1. |
| 26 | – | Not used. |
| 27 | 20 A. | Built-in frame connector. |
| 28 | – | Not used. |
| 29 | 10 A. | B + 12 V power supply (vehicle on request). |
| 30 | 30 A. | Electrically adjustable driver’s seat (sectional view). Not used (spare) (cover removed). |
| 31 | – | Not used. |
| 32 | 20 A. | Vehicle power 1. |
| 33 | 20 A. | Vehicle power 2. |
| 34 | 10 A. | Vehicle power 3. |
| 35 | 20 A. | Vehicle power 4. |
| 36 | – | Not used. |
| 37 | – | Not used. |
| 38 | 10 A. | Washer relay (truncated undercarriage). Not used (spare) (cross-section). |
| 39 | – | Not used. |
| 41 | 30 A. | Trailer brake control connector. |
| 43 | 30 A. | Instrument panel connector (stripped chassis). Not used (spare) (cross-section). |
| 45 | – | Not used. |
| 46 | 10 A. | Air conditioning clutch. |
| 47 | 40 A. | Upfitter 1 (cross-section). Not used (spare) (cover removed). |
| 48 | – | Not used. |
| 49 | 30 A. | Pump electronics module. |
| 50 | 15 A. | Injectors. |
| 51 | 20 A. | Power point 1. |
| 52 | 50 A. | Aux AC Prep on the vehicle connection on the B-pillar (sectional view). Not used (spare) (cover removed). Power at all times (PAAT) |
| 53 | 30 A. | Trailer tow lamps. |
| 54 | 40 A. | Upfitter 2 relay (cross-section). Not used (spare) (cover removed). R / S power on instrument panel connector (2022). |
| 55 | 20 A. | Upfitter 3 relay (cross-section). Not used (spare) (cover removed). |
| 56 | 20 A. | Power point 2 prep B-column connector. |
| 58 | 5 A. | Smart USB charger. |
| 59 | 10 A. | Parking lamps 1 (vehicle on request). |
| 60 | – | Not used. |
| 61 | – | Not used. |
| 62 | – | Not used. |
| 63 | – | Not used. |
| 64 | – | Not used. |
| 65 | – | Not used. |
| 66 | – | Not used. |
| 67 | – | Not used. |
| 69 | – | Not used. |
| 70 | 40 A. | Inverter. |
| 71 | 30 A. | Anti-lock braking system valves. |
| 72 | 10 A. | Brake on and off switch. |
| 73 | – | Not used. |
| 74 | – | Not used. |
| 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 brake lamps. |
| 79 | – | Not used. |
| 80 | 10 A. | Reversing lamps for towing a trailer. |
| 81 | – | Not used. |
| 82 | 5 A. | Run / start fuse – upfitter relays (sectional view) (2021). Fuse B + – upfitter relay (2021). Upfitter switch (factory location for ignition power) (2022) |
| 83 | 5 A. | 2022: Upfitter switch (optional place for power at all times). |
| 84 | – | Not used. |
| 85 | – | Not used. |
| 86 | – | Not used. |
| 87 | – | Not used. |
| 88 | – | Not used. |
| 89 | – | Not used. |
| 91 | 40 A. | Always hot (HAAT) / B + PWR on the B-Pillar joint (cross-section). Battery supply at the connection of the instrument panel (chassis stripped). |
| 93 | 10 A. | Parking lamps 3 (vehicle on request). |
| 94 | 10 A. | Parking lamps 2 (vehicle on request). |
| 95 | 20 A. | Stop lamp relay |
| 96 | – | Not used. |
| 97 | 50 A. | Engine. B-pillar vehicle connector. Instrument panel. |
| 98 | 30 A. | Charging the trailer tow battery. |
| 99 | 40 A. | 2021: Instrument panel connector. 2022: Upfitter 2 (sectional) / Not used (spare) (truncated landing gear). |
| 100 | – | Not used. |
| 101 | – | Not used. |
| 102 | – | Not used. |
| 103 | – | Not used. |
| 104 | – | Not used. |
| 105 | 15 A. | Tow trailer right and left stop and turn signal relay feed. |
| R02 | – | Powertrain control module. Power relay. |
| R05 | – | Not used. |