Ford F-350 (2017-2019) – fuse and relay box
Scheme of fuse and relay boxes – Ford F-350
Applies to vehicles new in years:
2017, 2018, 2019.
Diagram of the fuse box in the passenger compartment
The fuse panel is located on the right side of the passenger footwell behind the trim panel. Pull the decoration panel towards you and tilt it to the side to remove it. To reinstall it, align the tabs with the grooves on the panel, and then press it down.
Note: Access to the fuse panel may be easier if you remove the trim strip.
| Number | Amperes [A] | Description |
|---|---|---|
| 1 | – | – |
| 2 | 7.5 | Seat switch with memory (lumbar power) |
| 3 | 20 | Driver’s door unlock relay |
| 4 | 5 | Aftermarket electronic brake controller, trailer brake controller Brake on / off, customer access circuits |
| 5 | – | – |
| 6 | – | – |
| 7 | – | – |
| 8 | – | – |
| 9 | 10 | Brake on / off / pressure switch |
| 10 | – | – |
| 11 | 5 | Connected Sense Security Module |
| 12 | 7.5 | Front air conditioning module |
| 13 | 7.5 | Instrument cluster, Intelligent Data Link, steering column control module |
| 14 | 10 | Extended power limiter module |
| 15 | 10 | Intelligent power supply for the data link connector |
| 16 | 10 | The electromagnet that releases the tailgate |
| 17 | 5 | Head-up display |
| 18 | 5 | Push button ignition switch, ignition switch, key lock |
| 19 | 7.5 | Transmission control switch (tow / towing), shift select switch |
| 20 | 7.5 | Active front steering module |
| 21 | 5 | Head-up display, humidity sensor |
| 22 | 5 | Upfitter switch, Run / Start switch, PTO relays |
| 23 | 10 | Accessory Delay, Power Windows, Moon Roof, Electric Folding Mirror Relay, Inverter, Window / Moon Roof Switch Illumination |
| 24 | 20 | Central locking relay |
| 25 | thirty | Intelligent window motor, front left, door zone module |
| 26 | thirty | Right front smart window motor, door zone module |
| 27 | thirty | Sunroof |
| 28 | 20 | Sony-10 channel amplifier |
| 29 | – | – |
| 30 | – | – |
| 31 | 15 | Adjustable pedal switch |
| 32 | 10 | SYNC, GPS module, display, radio frequency receiver |
| 33 | 20 | Radio |
| 34 | thirty | Starting relay |
| 35 | 5 | Extended power limiter module |
| 36 | 15 | Lane Keeping System, Automatic High Beam Control, Auto Dimming Mirrors, Rear Heated Seats, Camera Module |
| 37 | 20 | Heated steering wheel |
| 38 | thirty | Circuit Breaker: Rear window switch |
Diagram of the fuse box in the engine compartment
The power distribution box is located in the engine compartment. The distribution box contains high-current fuses to protect the vehicle’s main electrical systems from overload.
| Number | Amperes [A] | Description |
|---|---|---|
| 1 | 20 | Powertrain control module |
| 2 | 20 | Emissions (MIL) |
| 3 | 20 | Cooling fan, air conditioning compressor, engine brake |
| 4 | 20 | Noise reduction hood, mass air flow sensor, emissions, glow plugs, urea |
| 5 | 15 | Compressed natural gas control module |
| 6 | – | – |
| 7 | – | – |
| 8 | – | – |
| 9 | – | – |
| 10 | 10 | Heated exterior mirrors |
| 12 | 40 | Heated rear window |
| 13 | – | – |
| 15 | 20 | Horn |
| 16 | 10 | A / C clutch relay power |
| 22 | 20 | Auxiliary power point # 5 (rear console), Start-Start |
| 23 | – | – |
| 26 | – | – |
| 27 | thirty | Trailer tow battery charge relay |
| 30 | 10 | 4 × 4 module |
| 31 | 5 | Adaptive cruise control, Start-Start |
| 32 | 5 | Anti-lock brake system module, Run-start |
| 33 | 10 | Powertrain control module (ISPR), starting, engine control module, transmission control module |
| 34 | 10 | Blind Spot Information System, Boot, Front Camera, Rear Camera |
| 35 | – | – |
| 41 | 25 | Glow plugs |
| 42 | 40 | Trailer tow lighting module |
| 43 | 40 | Front blower motor |
| 44 | 50 | Voltage quality module, body control module |
| 45 | 60 | Active front steering |
| 46 | 50 | Additional set of air heaters No. 2 |
| 47 | 50 | Cooling fan, additional air heater unit no.3 |
| 48 | 50 | RP1 body control module bus |
| 49 | 60 | Inverter |
| 50 | 50 | Body control module bus RP2 |
| 51 | 60 | B + body control module power supply |
| 52 | 60 | Anti-lock brake system pump |
| 53 | 50 | Additional set of air heaters No. 1 |
| 54 | thirty | Trailer brake control module |
| 55 | thirty | Air-conditioned seat module |
| 56 | 40 | Auxiliary lighting module |
| 57 | thirty | Strong running boards |
| 58 | thirty | Relay for CNG control module |
| 59 | thirty | Anti-lock brake system valve |
| 60 | – | – |
| 61 | thirty | Electrically adjustable driver’s seat |
| 62 | 20 | Auxiliary power point # 1 (instrument panel) |
| 63 | thirty | Starter |
| 64 | 20 | Auxiliary power point # 2 |
| 65 | thirty | Trailer tow lighting module |
| 66 | 20 | Auxiliary power point # 3 (center console) |
| 67 | thirty | Electric passenger seat |
| 68 | 20 | Auxiliary power point # 4 (rear media bin) |
| 69 | 20 | 4 × 4 module |
| 70 | – | – |
| 71 | – | – |
| 72 | thirty | Towing trailer left / right, stop / turn |
| 73 | – | – |
| 74 | – | – |
| 75 | thirty | Fuel pump |
| 76 | – | – |
| 77 | thirty | Wiper motor |
| 78 | – | – |
| 79 | thirty | Electrically sliding rear window |
| 80 | 25 | 4 × 4 module |
| 81 | 10 | 4 × 4 electromagnet |
| 82 | 10 | Electric telescopic mirrors |
| 83 | 20 | Heated rear seats |
| 84 | 10 | Reversing lamps for towing a trailer |
| 85 | – | – |
| 86 | – | – |
| 87 | – | – |
| 88 | 10 | Multicontour seats |
| 89 | – | – |
| 90 | 10 | Spotlight module |
| 91 | 10 | Upfitter interface module |
| 92 | – | – |
| 93 | – | – |
| 94 | 10 | Transmission control module |
| 95 | 10 | The driveline control module keeps power alive |
| 96 | 5 | Rain sensor |
| 97 | – | – |
| 98 | 10 | Alternator sensor |
| 99 | thirty | Parking lamps for trailer towing |
| 11 | CNG relay | |
| 14 | Powertrain control module relay | |
| 17 | Heated rear window and heated mirrors relay | |
| 18 | – | |
| 19 | – | |
| 20 | Additional air heater unit # 1 relay | |
| 21 | – | |
| 24 | Cooling fan relay, | |
| Additional set of air heaters # 3 relay | ||
| 25 | Glow plug module power relay | |
| 29 | Starting relay | |
| 36 | Blower motor relay | |
| 37 | Trailer tow battery charge relay | |
| 38 | A / C compressor clutch relay | |
| 39 | Horn relay | |
| 40 | Additional air heater unit No. 2 relay | |
