Ford E-350 2021 Fuse Box Info
Passenger compartment fuse box location:
The fuse box is located to the left of the brake pedal and mounted onto the lower left cowl panel.
Engine compartment fuse box location:
The power distribution box is located in the engine compartment.
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | - | Not used |
| 2 | 10A | Left-hand front and right-hand front door lock switch (cutaway), Inverter (cutaway), Connector (stripped chassis) |
| 3 |
7.5A - |
Power mirror switch (cutaway) Not used (stripped chassis) |
| 4 | 20A | Trailer brake control |
| 5 | 20A | Not used (spare) |
| 6 | 10A | Not used (spare) |
| 7 | 10A | Not used (spare) |
| 8 | 10A | Not used (spare) |
| 9 | 10A | Not used (spare) |
| 10 | - | Not used |
| 11 | - | Not used |
| 12 | 7.5A | Smart datalink connector, Enterprise wired-in-device |
| 13 | 7.5A | Cluster, Steering column control module |
| 14 | 15A | Not used (spare) |
| 15 | 15A | Not used (spare) |
| 16 | - | Not used |
| 17 | 7.5A | Not used |
| 18 | 7.5A | Climate mode switch |
| 19 | 5A | Radio transceiver module |
| 20 | 5A | Ignition switch |
| 21 | 5A | Not used |
| 22 |
5A 5A |
Body builder B-pillar connector (cutaway) Not used (stripped chassis) |
| 23 | 30A | Not used (spare) |
| 24 | 30A | Not used (spare) |
| 25 | 20A | Not used (spare) |
| 26 | 30A | Not used (spare) |
| 27 | 30A | Not used (spare) |
| 28 | 30A | Not used (spare) |
| 29 |
15A - |
Upfitter interface module (cutaway) Not used (stripped chassis) |
| 30 | 5A | Not used (spare) |
| 31 | 10A | Smart datalink connector |
| 32 | 20A | Radio |
| 33 | - | Not used |
| 34 | 30A | Not used (spare) |
| 35 | 5A | Tow haul switch |
| 36 |
15A - |
Rear view mirror (cutaway), Rear view camera (cutaway) Not used (stripped chassis) |
| 37 | 20A | Not used (spare) |
| 38 |
30A - |
Rear window switches and motors (cutaway) Not used (stripped chassis) |
Engine compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | 20A | Horn |
| 2 | 50A | Blower motor |
| 3 | - | Not used |
| 4 | 30A | Starter relay |
| 5 | 20A | Not used (spare) |
| 6 | 20A | Upfitter relay 4 (cutaway), Not used (spare) (stripped chassis) |
| 8 | - | Not used |
| 10 | - | Not used |
| 12 | 20A | Power point 4 |
| 13 | 10A | Yaw sensor (stripped chassis), Not used (spare) (cutaway) |
| 14 | 10A | Forward looking radar (cutaway), Not used (spare) (stripped chassis) |
| 15 | - | Not used |
| 16 | - | Not used |
| 17 | 10A | Powertrain control module run/start feed |
| 18 | 10A | Anti-lock brake system run/start feed |
| 19 | - | Not used |
| 20 | 30A | Wiper power |
| 21 | - | Not used |
| 22 | 10A | Wiper module (stripped chassis), Not used (spare) (cutaway) |
| 23 | - | Not used |
| 24 | 40A | Body control module - run power in feed 2 |
| 25 | 50A | Body control module - run power in feed 1 |
| 26 | - | Not used |
| 27 | 20A | Body builder frame connector |
| 28 | - | Not used |
| 29 | 10A | B+ power 12 V(special order vehicle) |
| 30 | 30A | Power driver seat (cutaway), Not used (spare) (stripped chassis) |
| 31 | - | Not used |
| 32 | 20A | Vehicle power 1 |
| 33 | 20A | Vehicle power 2 |
| 34 | 10A | Vehicle power 3 |
| 35 | 20A | Vehicle power 4 |
| 36 | - | Not used |
| 37 | - | Not used |
| 38 | 10A | Washer relay (stripped chassis), Not used (spare) (cutaway) |
| 39 | - | Not used |
| 41 | 30A | Trailer brake control connector |
| 43 | 30A | Instrument panel connector (stripped chassis), Not used (spare) (cutaway) |
| 45 | - | Not used |
| 46 | 10A | A/C clutch |
| 47 | 40A | Upfitter relay 1 (cutaway), Not used (spare) (stripped chassis) |
| 48 | - | Not used |
| 49 | 30A | Pump electronics module |
| 50 | 15A | Injectors |
| 51 | 20A | Power point 1 |
| 52 | 50A | B-pillar vehicle connector (cutaway), Not used (spare) (stripped chassis) |
| 53 | 30A | Trailer tow park lamps |
| 54 | 40A | Upfitter 2 relay (cutaway), Not used (spare) (stripped chassis) |
| 55 | 20A | Upfitter 3 relay (cutaway), Not used (spare) (stripped chassis) |
| 56 | 20A | Power point 2 prep B-pillar connector |
| 58 | 5A | USB smart charger |
| 59 | 10A | Park lamps 1 (special order vehicle) |
| 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 | 40A | Inverter |
| 71 | 30A | Anti-lock brake system valves |
| 72 | 10A | Brake on and off switch |
| 73 | - | Not used |
| 74 | - | Not used |
| 75 | - | Not used |
| 76 | 60A | Anti-lock brake system pump |
| 77 | 30A | Voltage quality module power - body control module |
| 78 | 10A | Trailer tow stop lamps |
| 79 | - | Not used |
| 80 | 10A | Trailer tow backup lamps |
| 81 | - | Not used |
| 82 | 5A | Run/start fuse - upfitter relays (cutaway), B+ fuse - upfitter relay |
| 83 | - | Not used |
| 84 | - | Not used |
| 85 | - | Not used |
| 86 | - | Not used |
| 87 | - | Not used |
| 88 | - | Not used |
| 89 | - | Not used |
| 91 | 40A | B-pillar (cutaway), Instrument panel (stripped chassis) |
| 93 | 10A | Park lamps 3 (special order vehicle) |
| 94 | 10A | Park lamps 2 (special order vehicle) |
| 95 | 20A | Stop lamp relay |
| 96 | - | Not used |
| 97 | 50A | Engine, B-pillar vehicle connector, Instrument panel |
| 98 | 30A | Trailer tow battery charge |
| 99 | 40A | Instrument panel connector |
| 100 | - | Not used |
| 101 | - | Not used |
| 102 | - | Not used |
| 103 | - | Not used |
| 104 | - | Not used |
| 105 | 15A | Trailer tow right-hand and left-hand stop and direction indicator relay power |
| R02 | - | Powertrain control module, Power relay |
| R05 | - | Not used |
