Ford Transit/Tourneo Custom | 2016-2018 | Fuse Box Location and Diagram

The facelifted first-generation Ford Transit Custom and Ford Tourneo Custom, versatile and practical commercial vans, were produced from 2016 to 2018. Known for their updated styling, improved features, and dependable performance, these models are a popular choice for businesses and passenger transport.

In this article, you will find fuse box diagrams for Ford Transit Custom and Ford Tourneo Custom models produced between 2016 and 2018, covering years 2016, 2017, and 2018. These diagrams provide detailed information about the fuse layout and relay assignments, helping owners and technicians troubleshoot and maintain the vehicle’s electrical systems.

What’s Included:

  • Fuse Box Diagrams: Easy-to-read visuals for quick identification of fuses and relays.
  • Fuse Panel Locations: Clear instructions on where to locate the fuse panels inside the vehicle.
  • Fuse Assignments: Comprehensive explanations of the function of each fuse and relay for diagnostics and repairs.

Whether you are addressing electrical issues, replacing a fuse, or conducting regular maintenance, this guide is an essential resource for owners and mechanics. It ensures your Ford Transit Custom or Ford Tourneo Custom operates reliably and efficiently.

Keep your Ford Transit Custom and Ford Tourneo Custom (2016–2018) in top condition with this detailed fuse box guide!

The cigar lighter (power outlet) fuses in the Ford Transit/Tourneo (except 2.2L Diesel models) are F6, F7, F13, F14, F30, and F71 (230V) located in the Instrument Panel Fuse Box.

Fuses Box Location

Passenger Compartment

Two fuse boxes are located behind the removable trim panel – the Fuse Box is on the right, and the Body Control Module is on the left (on vehicles with right-hand drive – on the contrary).

The location of the fuses in the passenger compartment: Ford Transit Custom (2016-2018)

Pre-Fuse Box Location

The Pre-fuse Box is located under the driver’s seat.

Engine Compartment

The location of the fuses in the engine compartment: Ford Transit Custom (2016-2018)

Fuse Box Diagrams (except 2.2L Diesel)

Pre-fuse Box

Pre-fuse Box diagram: Ford Transit Custom / Tourneo Custom (2016, 2017, 2018)

Pre-fuse Box

Fuse Data
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№AmpDescription
Main fuses
F1 470A Engine compartment fuse box. 
Starter motor. 
Alternator. 
F2 100A Passenger compartment fuse box.  
Body control module fuse box. 
F3 40A Direct current (DC/AC) inverter. 
F4 200A Secondary relay box feed 1. 
F5 100A Secondary relay box feed 2. 
F6 100A Cabin heater. 
F7 80A Heated windshield relay. 
F8 100A Passenger compartment fuse box.  
Secondary relay box feed 5. 
F9 100A Secondary relay box feed 3. 
F10 100A Secondary relay box feed 4. 
F11 100A Powertrain control module relay. 
F12 60A Auxiliary power point 1 (Modified vehicle connection). 
F13 60A Auxiliary power point 2 (Modified vehicle connection). 
F14 60A Auxiliary power point 3 (Modified vehicle connection). 
F15 60A Rear climate control. 
F16 100A Not used. 
F17 60A Camper (Modified vehicle connection). 
Fuses and relays behind the cover
F1 3A Exterior light switch. 
Water heater switch. 
Auxiliary power switch. 
F2 20A Power supply. 
F3 20A R1 power (Beacon). 
F4 20A R2 power (Ignition). 
F5 15A R3 power (Auxiliary power point, Water heater).
F6 15A R4 power (Interior lamp).
F7 15A R5, R6 power (Direction indicators, Auxiliary power point). 
F8 10A R7 power (Interior lighting). 
F9 20A Radio transmitter. 
F10 5A Ignition switch relay. 
F11 15A Ignition switch relay. 
F12 – Not used. 
R1 – Beacon relay. 
R2 – Ignition relay. 
R3 – Auxiliary power point 2. 
Water heater. 
R4 – Interior lamp relay. 
R5 – Auxiliary power point 1. 
Direction indicator (left hand side). 
R6 – Direction indicator (right hand side). 
R7 – Interior lighting. 

Passenger Compartment Fuse Box

Instrument panel fuse box diagram: Ford Transit Custom / Tourneo Custom (2016, 2017, 2018)

Assignment of the fuses in the instrument panel

Fuse Data
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№AmpDescription
F1 60A Windshield wiper motor relay. 
F2 40A Blower motor. 
F3 15A Not used / Controller area network interface module. 
F4 40A Heated rear window. 
Heated exterior mirrors. 
F5 40A Trailer B+ supply. 
F6 40A Auxiliary power point 2. 
F7 40A Auxiliary power point 1. 
F8 20A Horn. 
F9 15A Rear window washer relay. 
F10 10A R1, R2, R3, R4, R5, R10, R17 relay coils. 
F11 5A Not used / USB port. 
F12 5A Not used / USB port. 
F13 20A Cigar lighter. 
F14 20A Instrument panel auxiliary power point.  
F15 50A Voltage quality module. 
Body control module. 
F16 25A Anti-lock brake system module.  
Electronic stability program valves control. 
F17 5A Powertrain control module battery positive voltage relay coil. 
F18 10A Brake lamp. 
F19 15A Locking cargo relay. 
F20 5A Fuel fired booster heater. 
F21 15A Automatic transmission control unit. 
F22 25A Automatic transmission oil pump. 
F23 5A Not used / USB port. 
F24 10A Heated exterior mirrors.  
F25 7.5A Driver door unlock. 
F26 7.5A Passenger door unlock. 
F27 – Not used. 
F28 20A Auxiliary battery relay / Not Used. 
F29 40A Rear blower motor.  
F30 20A Rear auxiliary power point.  
F31 30A Heated rear window. 
F32 60A Run-start relay. 
F33 60A Fuel pump relay. 
F34 40A Heated rear window left-hand side. 
F35 40A Heated rear window right-hand side. 
F36 50A Body control module feed RP1. 
F37 50A Body control module feed RP2. 
F38 60A Standard relay box feed BB4. 
F39 20A Heated seats. 
F40 5A Powertrain control module ignition. 
F41 5A Fuel fired booster heater relay coil. 
F42 5A Headlamp leveling. 
F43 5A Transmission control module. 
F44 10A Air suspension. 
Voltage quality module. 
Rear climate control. 
Light detection and ranging system. 
Front and rear view cameras. 
Adaptive cruise control. 
F45 20A Cornering lamps. 
F46 5A Heated rear window. 
Heated exterior mirror relay. 
F47 5A Anti-lock brake system module.  
F48 10A Camper interface connector 1. 
F49 20A Rear window wiper. 
F50 5A Rain sensor module. 
Rear window wiper. 
F51 25A Windshield wiper motor. 
F52 25A Windshield wiper motor. 
F53 40A Air suspension relay. 
F54 15A Air suspension module. 
F55 40A Anti-lock brake system module. 
Electronic stability control. 
F56 – Not used. 
F57 30A Not used / Driver power seat. 
F58 15A Not used / Modified vehicle connection. 
F59 30A Starter motor solenoid.  
F60 15A Trailer tow battery charge. 
F61 15A Double lock left-hand side. 
F62 15A Double lock right-hand side. 
F63 15A Central lock left-hand side. 
F64 15A Central lock right-hand side. 
F65 20A Fuel pump. 
F66 40A Heated fuel filter. 
F67 10A Not used / Heated seats.. 
F68 10A Not used / Heated seats.. 
F69 7.5A Tachograph. 
F70 5A Not used / Trailer module. 
F71 40A 230V power outlet. 
F72 30A Trailer socket. 
Relays
R1 Horn. 
R2 Heated rear window. 
R3 Rear blower motor.  
R4 Rear auxiliary power points. 
R5 Cigar lighter, Auxiliary power point. 
R6 Left-hand heated windshield relay. 
R7 Right-hand heated windshield relay. 
R8 Rear window washer pump.  
R9 Fuel fired booster heater blower / Not Used. 
R10 Blower motor. 
R11 External locking. 
R12 Power folding mirrors.  
R13 Run-start. 
R14 Fuel pump. 
R15 Not used. 
R16Not used. 
R17 Windshield wipers.  
R18 Not used. 
R19 Not used. 

Body Control Module

Body Control Module: Ford Transit Custom / Tourneo Custom (2016, 2017, 2018)

Body Control Module

Fuse Data
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№AmpDescription
F1 – Not used. 
F2 7.5A Power Exterior Mirrors.
Driver door window.  
F3 20A Unlock function (driver and passenger). 
F4 5A Spare. 
F5 20A Spare. 
F6 10A Spare. 
F7 10A Spare. 
F8 10A Security horn. 
F9 10A Spare. 
F10 5A Spare. 
F11 5A Intrusion sensor. 
Rear air conditioning. 
F12 7.5A Climate control. 
Hazard flasher switch. 
F13 7.5A Steering column. 
Instrument cluster. 
Data link connector. 
F14 10A Spare. 
F15 10A Data link connector. 
F16 15A Unlock function (left/right sliding doors). 
F17 5A Battery back-up sounder.  
F18 5A Ignition switch.  
F19 7.5A Passenger airbag status indicator. 
Passenger airbag status switch. 
F20 7.5A Tachograph. 
F21 5A Auxiliary heater. 
F22 5A Spare. 
F23 10A Accessory delay. 
Direct current (DC/AC) inverter. 
F24 20A Central locking system. 
Double locking system. 
F25 30A Spare / Driver door module. 
F26 30A Spare / Passenger door module. 
F27 30A Spare. 
F28 20A Spare. 
F29 30A Spare. 
F30 30A Spare. 
F31 15A Spare. 
F32 10A GPS. 
Voice Control. 
SYNC module. 
Display. 
Adaptive cruise control. 
Remote receiver. 
F33 20A Radio. 
SYNC module. 
F34 30A Ignition run-start relay pre-fuse. 
Parking aid module. 
Heater control. 
Lane keeping system camera. 
Restraints control module. 
Central control panel. 
Passenger airbag status indicator. 
Tachograph. 
Auxiliary heater. 
Steering wheel module. 
F35 5A Restraints control module. 
F36 15A Parking aid. 
Lane keeping system camera. 
Steering wheel module. 
F37 20A Spare. 
F38 30A  CB Power windows (Circuit breaker).  

Engine Compartment Fuse Box

Under-hood fuse box diagram: Ford Transit Custom / Tourneo Custom (2016, 2017, 2018)

Assignment of the fuses in the engine compartment

Fuse Data
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№AmpDescription
F1 5A Radio mute / Not Used.
F2 – Not used. 
F3 – Not used. 
F4 – Not used. 
F5 – Not used. 
F6 15A Not used / Nitrogen oxides sensor (euro 6.2). 
F7 15A Not used / Particulate matter sensor (euro 6.2). 
F8 20A Cooling fan (twin speed / high-speed).  
F9 – Not used. 
F10 – Not used. 
F11 – Not used. 
F12 – Not used. 
F13 – Not used. 
F14 – Not used. 
F15 – Not used. 
F16 – Not used. 
F17 – Not used. 
F18 40A Cooling fan 2. 
F19 40A Cooling fan (twin speed / high-speed). 
F19 60A Cooling fan (single speed / low-speed). 
F20 40A Selective catalytic reduction relay. 
F21 40A Glow plug module 2. 
F22 40A Glow plug module 1.
F23 10A Air conditioning clutch. 
F24 – Not used. 
F25 15A Right-hand high-intensity discharge headlamps / Not Used. 
F26 15A Left-hand high-intensity discharge headlamps / Not used. 
F27 – Not used. 
F28 5A Crank case ventilation heater. 
F29 7.5A/15A Run on water pump / Coolant pump.
F30 60A Powertrain control module relay. 
F31 25A Run-start 2 relay / Not Used. 
F32 20A Fuel fired booster heater. 
F33 – Not used. 
F34 – Not used. 
F35 20A Powertrain control module. 
F36 20A Vehicle power 5. 
F37 15A Tank reductant. 
Exhaust gas recirculation valve. 
F38 10A Engine junction box R1, R5, R10, and R15 relay coils (High-speed cooling fan, Air conditioning clutch, Low-speed cooling fan, Low-speed and high-speed cooling fan relay). 
F39 10A Glow plug monitor. 
Nitrogen oxide sensor. 
Relays 
R1 High-speed cooling fan.  
R2 Not used. 
R3 Rear window wiper. 
R4 Air suspension. 
R5 Cooling fan. 
R6 Not used. 
R7 Left-hand high-intensity discharge headlamps / Not used. 
R8 Right-hand high-intensity discharge headlamps / Not used. 
R9 Starter motor. 
R10 Air conditioning clutch. 
R11 Not used. 
R12 Not used. 
R13 Selective catalytic reduction. 
R14 Not used. 
R15 Low-speed cooling fan.  
R16 Not used. 
R17 Not used. 
R18 Powertrain control module. 

Fuse Box Diagrams (2.2L Diesel)

Pre-fuse Box

Pre-fuse Box diagram: Ford Transit Custom (2016, 2017, 2018) 2.2L diesel

Assignment of the fuses in the Pre-fuse Box (2.2L Diesel)

Fuse Data
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№AmpDescription
F1 470 A Alternator.  Starter motor.  Engine junction box. 
F2 100 A Passenger compartment fuse box. 
F3 – Not used. 
F4 200 A Auxiliary junction box. 
F5 100 A Auxiliary junction box. 
F6 80 A Electric booster heater. 
F7 80 A Heated windshield relay. 
F8 100 A Engine junction box. 
F9 100 A Auxiliary junction box. 
F10 60 A Passenger compartment fuse box / Body control module 1. 
F11 60 A Passenger compartment fuse box / Body control module 2. 
F12 60 A Modified vehicle connection. 
F13 60 A Not used / Modified vehicle connection. 
F14 60 A Modified vehicle connection. 

Passenger Compartment Fuse Box

Passenger Compartment Fuse Box diagram: Ford Transit Custom (2016, 2017, 2018) 2.2L diesel

Assignment of the fuses in the instrument panel (2.2L Diesel)

Fuse Data
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№AmpDescription
F1 10A Restraints control module. 
F2 – Not used. 
F3 10A Heated exterior mirrors. 
F4 – Not used. 
F5 20A Auxiliary heater control module / Fuel fired booster heater. 
F6 5A Tachograph. 
F7 10A Adaptive cruise control. 
F8 40A DC/AC inverter. 
F9 – Not used. 
F10 30A Driver power seat. 
F11 – Not used. 
F12 – Not used. 
F13 – Not used. 
F14 5A Powertrain control module. 
F15 40A Powertrain control module. 
F16 40A Passenger compartment fuse box. 
F17 – Not used. 
F18 30A Not used / Anti-lock brake system with electronic stability control. 
F19 5A Tachograph. 
F20 5A Heated windshield relay.  Heated exterior mirror relay.  AC power point.  Direct current/alternating current inverter. 
F21 10A Modified vehicle connection. 
F22 15A Passenger compartment fuse box / Body control module. 
F23 7.5A Climate control. /
Fuel fired booster heater relay. Auxiliary blower motor relay. Booster heater. Blower motor. Message center switch.
F24 5A Headlamp leveling. 
F25 7.5A Interior lighting. 
F26 10A Not Used / Heated seats. 
F27 10A/20A Heated seats. 
F28 20A Adaptive front lighting module / Cornering lamps. 
F29 10A Rear view camera.  Interior rear view mirror.  Lane keeping system.  Image processing module A &B. Steering column control module.
F30 5A Not Used / Adaptive cruise control. 
F31 – Not used. 
F32 10A Interior lamp. 
F33 – Not used. 
F34 20A Rear window wiper. 
F35 5A Power folding mirrors. 
F36 20A Horn. 
F37 7.5A SYNC module. Global positioning system module. Or Not used (spare). 
F38 5A Windshield wiper relay.  Rear window wiper relay.  Horn relay.  Blower motor relay. 
F39 7.5A Power windows.  Rear heating, ventilation and air conditioning.  Remote keyless entry. 
F40 40A Blower motor. 
F41 40A Rear blower motor. 
F42 30A Heated rear window. 
F43 30A Trailer module. 
F44 60A Auxiliary power points. 
F45 – Not used. 
F46 30A Power windows. 
F47 20A Cigar lighter. 
F48 20A Rear auxiliary power points. 
F49 20A Front auxiliary power points. 
F50 60A Ignition relay 1. 
F51 60A Ignition relay 2. 
F52 40A Left-hand heated windshield element. 
F53 40A Right-hand heated windshield element. 
Relays
R1 Fuel fired booster heater. 
R2 Auxiliary power points. 
R3 Not used. 
R4 Ignition relay 2. 
R5 Not used. 
R6 Ignition relay 1. 
R7 Horn. 
R8 Not used. 
R9 Blower motor. 
R10 Rear blower motor. 
R11 Heated rear window.  Heated exterior mirrors. 
R12 Right-hand heated windshield element. 
R13 Left-hand heated windshield element. 

Body Control Module

Body Control Module diagram: Ford Transit Custom (2016, 2017, 2018) 2.2L diesel

Assignment of the fuses in the Body Control Module (2.2L Diesel)

Fuse Data
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№AmpDescription
F1 15A Central locking system. 
F2 15A Central locking system. 
F3 15A Ignition switch.  Auxiliary battery. 
F4 5A Parking assist control module. 
F5 5A Rain sensor module.  Autolamps. 
F6 15A Windshield washer pump. 
F7 7.5A Exterior mirrors. 
F8 15A Front fog lamps. 
F9 10A Right-hand high beam. 
F10 10A Left-hand high beam. 
F11 25A Right-hand exterior lamps.  Left-hand side lamps. 
F12 20A Anti-theft alarm horn.  Battery back-up sounder. 
F13 15A Data link connector.  Auxiliary power point relay.  Interior lighting. 
F14 25A Daytime running lamps.  Direction indicators.  Rear fog lamp. 
F15 25A Left-hand exterior lamps.  Right-hand side lamps.  High mounted stoplamp. 
F16 20A Audio control. 
F17 7.5A Blower motor.  Instrument cluster.  Climate control. 
F18 10A Lighting control.  Steering wheel module. 
F19 5A Front control/display interface module. 
F20 5A Passive anti-theft system.  Ignition. 
F21 3 A Audio control.  Accessory delay. 

Engine Compartment Fuse Box

Under-hood fuse box diagram: Ford Transit Custom (2016, 2017, 2018) 2.2L diesel

Assignment of the fuses in the engine compartment (2.2L Diesel)

Fuse Data
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№AmpDescription
F1 – Not used. 
F2 – Not used. 
F3 – Not used. 
F4 – Not used. 
F5 3A Powertrain control module / Diesel particulate filter vaporizer glow plug. 
F6 3A Anti-lock brake system with electronic stability control. 
F7 7.5A Powertrain control module.  Telematics control unit module. Glow plug module.
F8 – Not used. 
F9 30A Left-hand windshield wiper. 
F10 30A Right-hand windshield wiper. 
F11 10A Air conditioning clutch. 
F12 20A Diesel particulate filter vaporizer glow plug. Glow plugs.
F13 – Not used. 
F14 – Not used. 
F15 – Not used. 
F16 – Not used. 
F17 – Not used. 
F18 40A Anti-lock brake system with electronic stability control. 
F19 30A Starter motor solenoid. 
F20 60A Glow plugs. 
F21 60A Ignition relay 3. 
F22 30A Not Used / Fuel fired booster heater. 
F23 25A/10AAnti-lock brake system module / Not used (spare). 
F24 7.5A Fuel pump. 
F25 15A Not used (spare). 
F26 3A Econetic coolant valve / Not used. 
F27 – Not used. 
F28 – Not used. 
F29 3A Audio unit. 
F30 60A Low-speed and high-speed cooling fan / Low-speed cooling fan. 
F31 – Not used. 
F32 60A Windshield wiper motor. 
F33 – Not used. 
F34 – Not used. 
F35 15A Powertrain control module. 
F36 7.5A Mass air flow sensor. 
F37 7.5A Fuel volume control valve. 
F38 7.5A Air conditioning clutch. 
F39 15A Exhaust gas temperature sensor.  Fuel vaporizer system fuel pump.  Coolant bypass solenoid valve.  Low-speed cooling fan.  High-speed cooling fan. Glow plug relay
Relays
R1 Ignition relay 3. 
R2 Starter motor / Not used. 
R3 Rear window wiper. 
R4 Windshield wiper relay. 
R5 Not used. 
R6 Not used / Windshield wipers. 
R7 Not used / Windshield wiper speed. 
R8 Not used / Fuel heater. 
R9 Not used / Starter motor. 
R10 Air conditioning clutch. 
R11 Fuel vaporizer system glow plug. 
R12 Fuel pump. 
R13 Not used. 
R14 Econetic coolant valve / Not used. 
R15 Low-speed cooling fan. 
R16 Not used. 
R17 Powertrain control module. 
R18 High-speed cooling fan. 

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