Ford Transit 8th generation was produced in 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 with gasoline and diesel engines. During this time, it was restyled. Ford Transit Custom / Tourneo Custom provides a mid-size low-tonnage Ford Transit series. In our material, you will find a description of the fuse boxes and relays of the Ford Transit 8th generation, block diagrams and their locations. We will highlight the fuse responsible for the cigarette lighter.

Block under the hood

It is located next to the washer fluid tank, under the protective cover.

Description
Option 1
| F1 | 10A Emission Control System |
| F2 | 15A Exhaust emission control system |
| F3 | 15A Exhaust emission control system |
| F4 | 10A Emission Control System |
| F5 | 30A Diesel Fuel Product Filter Evaporator, Glow Plug Control System |
| F6 | 3A Anti-lock brake system. Stability control. Ignition |
| F7 | 7.5A Powertrain Control Module |
| F8 | 20A Cooling Fan |
| F9 | 30A Left windshield wiper |
| F10 | 30A Right windshield wiper |
| F11 | 10A Air conditioning compressor clutch |
| F12 | 20A Diesel Fuel Evaporator Filter Pre-Starting Glow Plug |
| F13 | Reserve |
| F14 | 30A Emission Control System – Ignition |
| F15 | Not used |
| F16 | Not used |
| F17 | Not used |
| F18 | 40A Anti-lock brake system, stability control pump |
| F19 | 30A Starter Solenoid |
| F20 | 60A Glow Plugs |
| F21 | 60A Ignition Relay 3 |
| F22 | Reserve |
| F22 | Reserve |
| F23 | Reserve |
| F24 | 7.5A High Pressure Fuel Pump |
| F25 | Reserve |
| F26 | Reserve |
| F27 | Reserve |
| F28 | Reserve |
| F29 | Reserve |
| F30 | 40A Cooling system fan 1 |
| F31 | 40A Fan 2 cooling system |
| F32 | 60A Windscreen wiper motors (two) |
| F33 | 20A Start-stop of auxiliary water pump |
| F34 | Reserve |
| F35 | 15A Powertrain Management System Power Supply |
| F36 | 15A NOXI 2 Sensor |
| F37 | 7.5A Volume Control Valve |
| F38 | 7.5A Mass Air Flow Sensor |
| F39 | 15A Diesel Pump Fuel Evaporator |
| Relay | |
| R1 | Ignition |
| R2 | Starter |
| R3 | Rear window wiper |
| R4 | Not used |
| R5 | cooling fan |
| R6 | Windscreen wiper – on and off |
| R7 | Windshield wiper – low and high speed operation |
| R8 | Not used |
| R9 | Not used |
| R10 | Air conditioning compressor clutch |
| R11 | Fuel pre-heating plug for the evaporator system |
| R12 | High pressure fuel pump |
| R13 | All wheel drive pump |
| R14 | Econetic system |
| R15 | Cooling system fans: high speed and low speed |
| R16 | Exhaust emission control system |
| R17 | Powertrain Control Module |
| R18 | Cooling system fan – high speed |
Option 2
| F1 | 5A Radio mute |
| F2 | Reserve |
| F3 | Reserve |
| F4 | Reserve |
| F5 | Reserve |
| F6 | 15A Nitrogen Oxide Sensor |
| F7 | 15A Particulate Matter Sensor |
| F8 | 20A High Speed Cooling Fan |
| F9 | Reserve |
| F10 | Reserve |
| F11 | Reserve |
| F12 | Reserve |
| F13 | Reserve |
| F14 | Reserve |
| F15 | Reserve |
| F16 | Reserve |
| F17 | Reserve |
| F18 | 40A Cooling Fan 2 |
| F19 | 40/60A cooling fan |
| F20 | 40A Emission Control System |
| F21 | 40A Glow Plug 2 |
| F22 | 40A Glow Plug 1 |
| F23 | 10A Air conditioning compressor clutch |
| F24 | Reserve |
| F25 | 15A Right headlamps with high intensity discharge lamps |
| F26 | 15A Left headlamps with high intensity discharge lamps |
| F27 | Reserve |
| F28 | 5A Heating element of the positive crankcase ventilation valve |
| F29 | 7.5/15A Coolant pump |
| F30 | 40/60A Powertrain Control Module Relay |
| F31 | 20A Relay “work-start” 2 |
| F32 | 20A Fuel fired auxiliary heater |
| F33 | Reserve |
| F34 | Reserve |
| F35 | 20A Powertrain Control Module |
| F36 | 20A Power Cable 5 Car |
| F37 | 15A Reagent tank. Exhaust gas recirculation valve |
| F38 | 10A High-speed cooling fan. A/C compressor clutch. Low-speed cooling fan. High-speed and low-speed cooling fan relay. Engine junction box relay coils R1, R5, R10, and R15 |
| F39 | Glow Plug Control System |
| Relay | |
| R1 | High speed cooling fan |
| R2 | Not used |
| R3 | Rear window wiper |
| R4 | Air suspension module |
| R5 | Cooling fan |
| R6 | Not used |
| R7 | Left headlights with high-intensity discharge lamps |
| R8 | Right headlights with high-intensity discharge lamps |
| R9 | Starter |
| R10 | Air conditioning compressor clutch |
| R11 | Not used |
| R12 | Not used |
| R13 | Exhaust emission control system catalytic converter |
| R14 | Not used |
| R15 | Low speed cooling fan |
| R16 | Not used |
| R17 | Not used |
| R18 | Powertrain Control Module |
Blocks in the cabin
There are 3 fuse and relay boxes in the Ford Transit mk8. 2 under the dashboard on the driver’s side and one behind the driver’s seat.
Blocks under the panel
To access, remove the protective cover.

Option 1
Fuse and relay box


Purpose
| F1 | 10A Airbag Module |
| F2 | 20A Heated rear window |
| F3 | 10A Heated exterior mirrors |
| F4 | Reserve |
| F5 | Reserve |
| F6 | 5A Tachograph |
| F7 | 10A Battery Sensor |
| F8 | 40A AC Power Supply Socket |
| F9 | Reserve |
| F10 | 30A Driver’s seat with electric drive |
| F11 | 30A Passenger seat with electric drive |
| F12 | 30A Threshold Light |
| F13 | Reserve |
| F14 | 5A Tracking and Locking Control Module |
| F15 | 40A Powertrain Control Module Battery Relay |
| F16 | 40A Powertrain Control Module Power Relay |
| F17 | Reserve |
| F18 | 30A Anti-lock Brake System Valves. Stability Control System Valves |
| F19 | 5A Tachograph |
| F20 | 5A Heated Outside Mirror Relay. Heated Windshield Relay |
| F21 | Reserve |
| F22 | 15A Passenger compartment fuse box |
| F23 | 7.5A Air Conditioning Control Module |
| F24 | 5A Headlight beam leveling adjustment |
| F25 | 7.5A Interior lighting |
| F26 | 10A Heated exterior mirrors |
| F27 | 20A Heated Front Seats |
| F28 | 20A Direction indicators |
| F29 | Rear parking assist camera. Lane Departure Warning. Power Mirrors |
| F30 | Adaptive cruise control system |
| F31 | Reserve |
| F32 | 10A Interior lighting |
| F33 | 20A All Wheel Drive Module |
| F34 | 20A Rear Window Wiper |
| F35 | 5A Power folding mirrors |
| F36 | 20A Sound signal |
| F37 | 7.5A SYNC Module |
| F38 | 5A Electric blower fan. Horn relay. Windshield wiper relay |
| F39 | 7.5A Remote Keyless Entry Battery Power Windows Rear Seat Heater Ventilation Air Conditioning |
| F40 | 40A Front Blower Motor |
| F41 | 40A Rear Blower Motor |
| F42 | 30A Heated rear window |
| F43 | 30A Trailer Power Socket |
| F44 | 60A Additional Power Sockets |
| F45 | Reserve |
| F46 | 30A Electric Windows |
| F47 | 20A Cigarette Lighter Fuse Ford Transit |
| F48 | 20A Rear Auxiliary Power Sockets |
| F49 | 20A Front Auxiliary Power Sockets |
| F50 | 60A Ignition Relay 1 |
| F51 | 60A Ignition Relay 2 |
| F52 | 40A Windscreen heater (left side) |
| F53 | 40A Windscreen heater (right side) |
| Relay | |
| R1 | Fuel fired auxiliary heater |
| R2 | Additional power sockets |
| R3 | Not used |
| R4 | Ignition 2 |
| R5 | Electric windows |
| R6 | Ignition 1 |
| R7 | Sound signal |
| R8 | Not used |
| R9 | Front blower fan motor |
| R10 | Rear blower motor |
| R11 | Heated rear window. Heated exterior mirrors. |
| R12 | Windscreen heater (left side) |
| R13 | Windscreen heater (right side) |
Fuses 47, 48, 49 for 20A are responsible for the operation of the cigarette lighter, additional power sockets and USB port.
Additional fuse box
Scheme


Designation
| F1 | 15A Central locking system 2 |
| F2 | 15A Centralized locking system 1 |
| F3 | 15A Ignition Switch Auxiliary Battery Relay |
| F4 | 5A Parking Assistance System Module |
| F5 | 5A Rain Sensor Module Automatic Light Control Module |
| F6 | 15A Windshield Washer Pump |
| F7 | 7.5A Exterior mirrors |
| F8 | 15A Front fog lights |
| F9 | 10A Right High Beam Relay |
| F10 | 10A Left High Beam Relay |
| F11 | 25A Exterior lights on the right side. Side lights on the left side |
| F12 | 20A Anti-theft alarm. Battery of autonomous sound device |
| F13 | 15A Data Connector. Auxiliary Power Socket Relay. Interior Lighting |
| F14 | 25A Daytime running lights Direction indicators Rear fog lights |
| F15 | 25A Side lights on the right side. Exterior lights on the left side. Central brake light |
| F16 | 20A Audio controls |
| F17 | 7.5A Heater control system. Instrument panel Electric fan |
| F18 | 10A Headlight Switch Steering Wheel Module |
| F19 | 5A Front Control Display Interface Module Reset |
| F20 | 5A Passive anti-theft system and ignition. Ignition |
| F21 | 3A Front Audio Control Module Auxiliary Relay |
Option 2
Fuse and relay box
Example of execution


Transcript
| F1 | 60A Windscreen Wiper Motor Relay |
| F2 | 40A Electric blower fan |
| F3 | Reserve |
| F4 | 40A Heated rear window. Heated outside mirrors |
| F5 | 40A Trailer Power Supply B+ |
| F6 | 40A Additional Power Socket 2 |
| F7 | 40A Additional Power Socket 1 |
| F8 | 20A Sound signal |
| F9 | 15A Rear Window Washer Relay |
| F10 | 10A Relay coils R1, R2, R3, R4, R5, R10, R17 |
| F11 | Reserve |
| F12 | Reserve |
| F13 | 20A Cigarette Lighter |
| F14 | 20A Auxiliary Power Socket on Instrument Panel |
| F15 | 50A Voltage Quality Module. Body Systems Control Unit |
| F16 | 25A Anti-lock Brake System Module Electronic Stability Control Valves |
| F17 | 5A Powertrain Control Module Battery Positive Voltage Relay Coil |
| F18 | 10A Stop light |
| F19 | 15A Load Lock Relay |
| F20 | 5A Fuel fired auxiliary heater |
| F21 | 15A Automatic transmission control unit |
| F22 | 25A Oil pump for automatic transmission |
| F23 | 20A Left side heated rear window |
| F24 | 10A Heated exterior mirrors |
| F25 | 7.5A Driver’s door unlock |
| F26 | 7.5A Passenger Door Unlock |
| F27 | Reserve |
| F28 | Reserve |
| F29 | 40A Rear Blower Motor |
| F30 | 20A Rear Auxiliary Power Socket |
| F31 | 20A Left side heated rear window |
| F32 | 60A Relay “run/start” |
| F33 | 60A Fuel Pump Relay |
| F34 | 40A Left side heated rear window |
| F35 | 40A Right side heated rear window |
| F36 | 50A Power supply RP1 of the body control unit |
| F37 | 50A Power supply RP2 body control unit |
| F38 | 60A Power Supply BB4 Standard Relay Box |
| F39 | 20A Heated Seats |
| F40 | 5A Powertrain Control Module Ignition Unit |
| F41 | 5A Fuel fired auxiliary heater relay coil |
| F42 | 5A Headlight beam leveling adjustment |
| F43 | 5A Gearbox Control Module |
| F44 | 10A Air suspension. Voltage quality module. Climate control system for rear passengers. Light and distance detection system. Front and rear view cameras. Adaptive cruise control system |
| F45 | 20A Direction indicators |
| F46 | 5A Heated Rear Window Heated Outside Mirror Relay |
| F47 | 5A Anti-lock Brake System Module |
| F48 | 10A Camper Interface Socket 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 | Reserve |
| F54 | Reserve |
| F55 | 40A Anti-lock Brake System Module. Electronic Stability Control |
| F56 | 30A Electric Threshold |
| F57 | 30A Driver’s seat with electric drive |
| F58 | 20A Front Fog Light |
| F59 | 30A Starter Solenoid |
| F60 | 15A Trailer Battery Charging |
| F61 | 15A Left side double lock |
| F62 | 15A Right side double lock |
| F63 | 15A Left side of central locking |
| F64 | 15A Right side of central locking |
| F65 | 20A Fuel Pump |
| F66 | 40A Heated Fuel Filter |
The cigarette lighter is controlled by fuse number 13 at 20A, and additional sockets and USB ports are controlled by fuses 20, 6 and 7.
Relay block

Description
| Fuses | ||
| F67 | Reserve | |
| F68 | Reserve | |
| F69 | 7.5A Tachograph | |
| F70 | Reserve | |
| F71 | 40A 230 V socket | |
| F72 | 30A Trailer Power Socket | |
| Relay | ||
| R1 | Sound signal | |
| R2 | Heated rear window | |
| R3 | Rear blower motor | |
| R4 | Rear auxiliary power sockets | |
| R5 | Cigarette lighter. Additional power socket | |
| R6 | Heated Windshield Relay (Left Side) | |
| R7 | Heated Windshield Relay (Right Side) | |
| R8 | Rear window washer pump | |
| R9 | Fuel fired auxiliary heater blower fan | |
| R10 | Electric blower fan | |
| R11 | External blocking | |
| R12 | Electrically folding mirrors | |
| R13 | Work-start | |
| R14 | Fuel pump | |
| R15 | Not used | |
| R16 | Not used | |
| R17 | Windscreen wiper | |
| R18 | Front fog light | |
| R19 | Not used | |
Additional fuse box
Scheme

Purpose
| 1 | Reserve |
| 2 | 7.5A Electric outside mirrors. Driver’s door window |
| 3 | 20A Driver’s door unlock. Passenger’s door unlock. |
| 4 | Reserve |
| 5 | Reserve |
| 6 | Reserve |
| 7 | Reserve |
| 8 | 10A Anti-theft alarm sound signal |
| 9 | Spare. |
| 10 | Spare. |
| 11 | 5A Intrusion Sensor. Rear Passenger Zone Heating, Ventilation and Air Conditioning |
| 12 | 7.5A Climate control system. Emergency light button |
| 13 | 7.5A Steering column. Instrument cluster. Data transfer connector |
| 14 | Spare |
| 15 | 10A Data Transfer Connector |
| 16 | 15A Sliding door lock actuator |
| 17 | 5A Battery for Autonomous Sound Device |
| 18 | 5A Ignition switch |
| 19 | 7.5A Passenger Air Bag Disabled Indicator. Passenger Air Bag Deployment Switch. |
| 20 | 7.5A Tachograph |
| 21 | 5A Additional Heater Control Module |
| 22 | 5A Spare |
| 23 | 10A Auxiliary Equipment Shutdown Delay DC/AC Inverter |
| 24 | 30A Centralized locking system. Double locking system |
| 25 | 30A Driver’s Door Module |
| 26 | 30A Passenger Door Module |
| 27 | 30A Spare |
| 28 | 20A Spare |
| 29 | 30A Spare |
| 30 | 30A Spare |
| 31 | 15A Spare |
| 32 | 10A SYNC Module. Multi-function display. Radio frequency receiver |
| 33 | 20A Audio System. SYNC Module |
| 34 | 30A Ignition relay. Active parking assistance control module. Heater control system. Lane keeping control system. Airbag and seat belt system control module. Central control unit. Passenger airbag off indicator. Tachograph. Additional heater. Steering wheel module |
| 35 | 5A Airbag and Restraint System Control Module |
| 36 | 15A Active Parking Assist Control Module Lane Keeping Assist Steering Wheel Module |
| 37 | 20A Spare |
| 38 | 30A Electric Windows |
Fuse box behind the driver’s seat
To access the unit, you need to move the seat forward.


Consists of a high-power fuse section and an internal fuse and relay section.
Scheme

Designation
| F1 | 470A Engine Compartment Fuse Box. Starter Generator |
| F2 | 100A Body Systems Control Unit |
| F3 | 40A DC AC Inverter |
| F4 | 200A Power 1 auxiliary relay box or Passenger compartment fuse box |
| F5 | 100A Power 2 Auxiliary Relay Box or Cabin Fuse Box |
| F6 | 100A Additional heater |
| F7 | 80A Windshield Heating Relay |
| F8 | 100A Body Control Unit. Power Supply 5 Auxiliary Relay Box |
| F9 | 100A Power 3 Auxiliary Relay Box |
| F10 | 100A Power supply for 4 auxiliary relay boxes 60A Power supply for passenger compartment fuse box |
| F11 | 100A Powertrain Control Module Relay 60A Passenger Compartment Fuse Box Power |
| F12 | 60A Connection to a converted vehicle |
| F13 | 60A Connection to a converted vehicle |
| F14 | 60A Connection to a converted vehicle |
| F15 | 60A Rear Seat Climate Control System |
| F16 | 100A Reserve |
| F17 | 60A Connection to a converted vehicle |
Interior section diagram

Transcript
| F1 | 3A Outdoor Light Switch. Water Heater Switch. Power Switch for Additional Equipment Connection. | |
| F2 | 20A Power Supply | |
| F3 | 20A Power Supply R1 | |
| F4 | 20A Power Supply R2 | |
| F5 | 15A Power Supply R3 | |
| F6 | 15A Power Supply R4 | |
| F7 | 15A Power R5, R6 | |
| F8 | 10A Power Supply R7 | |
| F9 | 20A Radio Transmitter | |
| F10 | 5A Ignition Switch Relay | |
| F11 | 15A Ignition Switch Relay | |
| F12 | Reserve | |
| Relay | ||
| R1 | Beacon relay | |
| R2 | Ignition relay | |
| R3 | Additional power socket 2. Water heater | |
| R4 | Interior light relay | |
| R5 | Additional power socket 1. Direction indicator (left side) | |
| R6 | Direction indicator (right side) | |
| R7 | Interior lighting | |