The 2021 Ford Transit has 5 different fuse boxes:
Engine Compartment Fuse Box diagramDriver Compartment Fuse Box diagramBody Control Module diagramPassenger Compartment Fuse Box diagramPre-fuse Box diagram| Type | No. | Description | |
|---|---|---|---|
Fuse FMX/JCase 50A | 1 | Wipers. | |
Fuse FMM/MCase 40A | 3 | All-Wheel Drive. | |
Fuse MINI 30A | 4 | Parking lamps. | |
Fuse MINI 10A | 5 | Reversing lamp. | |
Fuse FMX/JCase 40A | 7 | Front blower motor. | |
Fuse MINI 15A | 9 | Rear door latch. | |
Fuse FMM/MCase 40A | 11 | Auxiliary power point. USB port. | |
Fuse MINI 20A | 12 | Horn. | |
Fuse MINI 15A | 14 | Vehicle power 5. | |
Fuse MINI 10A | 17 | Right-hand high-intensity discharge headlamps. | |
Fuse FMM/MCase 40A | 18 | Rear window defroster. | |
Fuse FMM/MCase 20A | 19 | Front fog lamp. | |
Fuse MINI 10A | 20 | Power folding mirrors. | |
Fuse MINI 15A | 21 | Vehicle power 4. | |
Fuse FMM/MCase 40A | 22 | Rear blower motor. | |
Fuse FMM/MCase 20A | 23 | Fuel pump. | |
Fuse FMM/MCase 40A | 24 | Run/Start relay. | |
Fuse FMM/MCase 40A | 25 | Auxiliary power points. | |
Fuse MINI 10A | 26 | Left-hand high-intensity discharge headlamps. | |
Fuse MINI 20A | 28 | Vehicle power 1. | |
Fuse MINI 15A | 30 | Coolant pump. | |
Fuse MINI 5A | 31 | Anti-lock brake system. | |
Fuse MINI 15A | 32 | Transmission control module. | |
Fuse FMM/MCase 30A | 33 | Starter motor. | |
Fuse MINI 15A | 35 | Vehicle power 2. | |
Fuse MINI 5A | 36 | Engine coolant bypass valve. | |
Fuse MINI 5A | 37 | Glow plugs. Powertrain control module. | |
Fuse FMX/JCase 40A | 38 | Anti-lock brake system with electronic stability control [excluding 510 series]. | |
Fuse FMX/JCase 60A | 38 | Cooling fan [510 series]. | |
Fuse MINI 10A | 40 | Vehicle power 3. | |
Fuse MINI 15A | 42 | Cooling fan [510 series]. | |
Fuse FMX/JCase 60A | 43 | Anti-lock brake system pump. | |
Fuse FMM/MCase 25A | 44 | Cooling fan [excluding 510 series]. | |
Fuse FMM/MCase 30A | 45 | Trailer socket. | |
Fuse FMX/JCase 50A | 48 | Cooling fan [excluding 510 series]. | |
Fuse FMX/JCase 40A | 48 | Anti-lock brake system with electronic stability control [510 series]. | |
Fuse MINI 10A | 51 | Air conditioning clutch. | |
Fuse FMX/JCase 50A | 52 | Cooling fan [excluding 510 series]. | |
Fuse FMX/JCase 60A | 52 | Cooling fan [510 series]. | |
Fuse MINI 20A | 54 | Battery back-up sounder. | |
Fuse MINI 25A | 55 | Transmission fluid pump. | |
Fuse FMM/MCase 30A | 58 | Trailer socket. | |
Relay | 59 | Cooling fan relay. |
| Type | No. | Description | |
|---|---|---|---|
Fuse MINI 5A | 1 | USB port. | |
Fuse MINI 5A | 3 | USB port. | |
Fuse MINI 10A | 9 | Heated exterior mirrors. | |
Fuse MINI 5A | 10 | Cooling fan. | |
Fuse MINI 5A | 16 | Rain sensor. | |
Fuse MINI 20A | 18 | Relay. | |
Fuse FMM/MCase 20A | 21 | Heated rear window. | |
Fuse FMM/MCase 20A | 22 | Heated rear window. | |
Fuse FMM/MCase 20A | 23 | Auxiliary power point. | |
Fuse FMM/MCase 20A | 24 | Auxiliary power point. | |
Fuse FMM/MCase 25A | 26 | Windshield wiper motor. | |
Fuse FMM/MCase 30A | 28 | Modified vehicle connections. | |
Fuse FMM/MCase 20A | 29 | Fuel fired heater. | |
Fuse FMM/MCase 30A | 30 | Power running boards. | |
Relay | 41 | Load shed relay. | |
Relay | 42 | Starter relay. | |
Relay | 43 | Upfitter relay. | |
Relay | 44 | Starter relay. | |
Fuse MICRO2 10A | 45 | Upfitter interface module. | |
Fuse MICRO2 5A | 48 | Modified vehicle connections. | |
Fuse MICRO2 10A | 49 | Brake pedal switch. | |
Fuse FMM/MCase 30A | 50 | Passenger power seat. | |
Fuse FMM/MCase 40A | 51 | Modified vehicle connections. | |
Fuse FMM/MCase 30A | 52 | Driver power seat. | |
Fuse FMX/JCase 60A | 53 | Battery. | |
Fuse FMX/JCase 60A | 54 | Power inverter. | |
Fuse FMX/JCase 50A | 55 | Body control module. | |
Fuse MICRO2 10A | 56 | Modified vehicle connections. | |
Fuse MICRO2 10A | 58 | Connector camper body interface. Upfitter interface. Secondary junction box. | |
Fuse MICRO2 10A | 59 | Rear climate control. Front view camera. Rear view camera. Adaptive cruise control module. Blind spot information system. | |
Fuse MICRO2 10A | 60 | Trailer brake control module. | |
Fuse MICRO2 15A | 62 | Enhanced cut off relay system module. | |
Fuse FMM/MCase 20A | 63 | Auxiliary power point. | |
Fuse MICRO2 30A | 64 | Modified vehicle connections. | |
Fuse MICRO2 10A | 66 | Enhanced cut off relay system. Camper. Load shed relay. | |
Fuse MICRO2 5A | 68 | Trailer tow module. | |
Fuse MICRO2 5A | 69 | Steering wheel module. | |
Fuse MICRO2 5A | 70 | Swivel seats. | |
Fuse MICRO2 10A | 71 | Passenger heated seat. | |
Fuse MICRO2 10A | 72 | Driver heated seat. | |
Fuse MICRO2 20A | 73 | Adaptive front lighting module. Headlamp leveling. | |
Fuse MICRO2 20A | 75 | Engine compartment fuse box. | |
Fuse MICRO2 10A | 76 | Power sliding door control switch. | |
Fuse MICRO2 5A | 77 | Headlamp switch. | |
Fuse MICRO2 7.5A | 78 | Modified vehicle connections. | |
Fuse MICRO2 5A | 79 | Driver compartment fuse box relay. | |
Fuse FMM/MCase 40A | 81 | Trailer tow module. | |
Fuse FMM/MCase 30A | 82 | Power sliding door. | |
Fuse FMM/MCase 30A | 83 | Trailer brake control module. | |
Fuse FMX/JCase 50A | 84 | Body control module. | |
Fuse FMX/JCase 30A | 85 | Power sliding door. | |
Fuse FMX/JCase 50A | 86 | Body control module. |
| Type | No. | Description | |
|---|---|---|---|
Fuse MICRO2 10A | 2 | Power inverter. | |
Fuse MICRO2 7.5A | 3 | Power window switch. Power exterior mirrors. | |
Fuse MICRO2 20A | 4 | Not used. | |
Fuse MICRO3 10A | 6 | Not used. | |
Fuse MICRO3 10A | 7 | Not used. | |
Fuse MICRO3 5A | 8 | Telematics control unit module. | |
Fuse MICRO3 5A | 9 | Rear air conditioning. | |
Fuse MICRO3 7.5A | 12 | Climate control. | |
Fuse MICRO3 7.5A | 13 | Data link connector. Steering column. Instrument cluster. | |
Fuse MICRO3 15A | 14 | Not used. | |
Fuse MICRO3 15A | 15 | SYNC 3 module. Integrated control panel. | |
Fuse MICRO3 7.5A | 17 | Not used. | |
Fuse MICRO3 7.5A | 18 | Not used. | |
Fuse MICRO3 5A | 19 | Not used. | |
Fuse MICRO3 5A | 20 | Ignition switch. | |
Fuse MICRO3 5A | 21 | Not used. | |
Fuse MICRO3 5A | 22 | Not used. | |
Fuse MICRO2 30A | 23 | Not used. | |
Fuse MICRO2 30A | 24 | Not used. | |
Fuse MICRO2 20A | 25 | Not used. | |
Fuse MICRO2 30A | 26 | Not used. | |
Fuse MICRO2 30A | 27 | Not used. | |
Fuse MICRO2 30A | 28 | Not used. | |
Fuse MICRO2 15A | 29 | Not used. | |
Fuse MICRO2 5A | 30 | Not used. | |
Fuse MICRO2 10A | 31 | Data link connector. Remote key receiver. | |
Fuse MICRO2 20A | 32 | Radio. | |
Fuse MICRO2 30A | 34 | Run/Start relay. Parking aid. Steering column. | |
Fuse MICRO2 5A | 35 | Not used. | |
Fuse MICRO2 15A | 36 | Parking aid. Steering column control module. | |
Fuse MICRO2 20A | 37 | Not used. | |
Circuit breaker MAXI | 38 | Power windows. |
| Type | No. | Description | |
|---|---|---|---|
Fuse MINI 40A | 1 | Relay 2. | |
Fuse MINI 40A | 2 | Relay 3. | |
Fuse MINI 20A | 3 | Relay 1. | |
Fuse MINI 20A | 4 | Relay 4. | |
Fuse MINI 20A | 5 | Relay 5. | |
Fuse MINI 20A | 8 | Relay 7. | |
Fuse MINI 20A | 9 | Relay 8. | |
Fuse MINI 20A | 12 | Relay 9. | |
Fuse MINI 20A | 13 | Relay 6. | |
Fuse MINI 5A | 14 | Ignition. | |
Fuse ATO 5A | 15 | Power supply. | |
Relay | 16 | Auxiliary switch 3 relay. | |
Relay | 17 | Auxiliary switch 3 relay. | |
Relay | 18 | Auxiliary switch 3 relay. | |
Relay | 19 | Auxiliary switch 4 relay. | |
Relay | 20 | Auxiliary switch 5 relay. | |
Relay | 21 | Auxiliary fuse box relay. | |
Relay | 22 | Auxiliary switch 7 relay. | |
Relay | 23 | Auxiliary switch 8 relay. | |
Relay | 24 | Auxiliary switch 9 relay. |
| Type | No. | Description | |
|---|---|---|---|
Fuse MIDI 125A | 1 | Body control module. | |
Fuse MIDI 80A | 2 | Electronic power assist steering. | |
Fuse MIDI 150A | 6 | Passenger compartment fuse box. | |
Fuse FMX/JCase 60A | 7 | Camper. | |
Fuse MEGA 500A | 9 | Starter motor. Alternator. | |
Fuse MEGA 300A | 10 | Engine compartment fuse box. | |
Fuse MEGA 250A | 11 | Dual generators. | |
Fuse MEGA 150A | 12 | Driver compartment fuse box. | |
Relay | 13 | Load shed relay. | |
Fuse MEGA 175A | 14 | Auxiliary power point 1. | |
Fuse MEGA 60A | 15 | Auxiliary power point 2. |
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Source: Ford Transit 2021 Owner's Manual
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