The eighth-generation Ford F-650 and F-750 , designed for heavy-duty commercial applications, have been available from 2016 to 2020 . These medium-duty trucks offer exceptional durability, power, and customization options, making them a go-to choice for businesses requiring reliable work vehicles.
In this article, you will find fuse box diagrams for Ford F-650 and F-750 models produced between 2016 and 2020 , covering years 2016, 2017, 2018, 2019, and 2020 . These diagrams provide essential insights into the fuse layout , helping fleet managers, technicians, and owners locate and understand the function of each fuse and relay.
What’s Included:
Fuse Box Diagrams – Clear and detailed visuals to help identify fuses, relays, and circuit breakers.Fuse Panel Locations – Step-by-step guidance on where to find the fuse panels inside the Ford F-650 and F-750.Fuse Assignments – Comprehensive descriptions of each fuse and relay’s function for accurate diagnostics and troubleshooting.
Whether you’re looking for the fuse panel layout , replacing a blown fuse, or diagnosing an electrical issue, this guide is an essential resource. It ensures that your Ford F-650 / F-750’s electrical system remains functional and reliable for heavy-duty operations.
Keep your Ford F-650 / F-750 (2016–2020) running at its best with this detailed fuse box, fuse panel, and relay guide!
The cigar lighter (power outlet) fuses in the Ford F-650 / F-750 are fuse No.82 and fuse No.83 , located in the Engine Compartment Fuse Box .
The fuse panel is in the passenger footwell behind the cover.
The power distribution box is located in the engine compartment.
Assignment of the fuses in the Passenger compartment
Fuse or Relay Number Fuse Rating Protected Components 1 30A Left front window motor. 2 15A Upfitter relay #4. 3 30A Right front window motor. 4 10A Interior lamps. 5 20A Not used (spare). 6 5A Not used (spare). 7 7.5 A Power mirror switch. 8 10A Not used (spare). 9 10A Upfitter relay #3. 10 10A Not used (spare). 11 10A Ford telematics battery feed. 12 15A Interior lighting. 13 15A Right turn and brake lamps. 14 15A Left turn and brake lamps. 15 15A Center high-mounted stop lamp. Backup lamps. 16 10A Right headlamp low beam. 17 10A Left headlamp low beam. 18 10A Powertrain control module wakeup. Brake shift interlock. 19 20A Not used (spare). 20 20A Power door locks. 21 10A Brake on/off switch. 22 20A Horn. 23 15A Instrument cluster. 24 15A Diagnostic connector. Power fold mirror relay. Steering wheel control module. Remote keyless entry. 25 15A Not used (spare). 26 5A Steering wheel control module. 27 20A Not used (spare). 28 15A Ignition switch. 29 20A Radio. SYNC. 30 15A Parking lamps. Trailer tow parking lamps relay coil. 31 5A Customer access trailer brake on/off switch. 32 15A Delayed accessory power. Driver and passenger door lock switch illumination. 110 volt power inverter module. Telescoping mirror switch. 33 10A Not used (spare). 34 10A Ancillary translator module run/start. 35 5A Tow/Haul run/start. 36 10A Fuel tank select switch. 37 10A Auxiliary heater. 38 10A Delayed accessory power. AM/FM base radio. 39 15A Left and right headlamp high beam. 40 10A Rear parking lamps. Clearance lamps. 41 7.5 A Not used (spare). 42 5A Ford telematics run/start. 43 10A Power Distribution Box run/accessory fuses. Wiper relay coil. 44 10A Customer access upfitter switch power. Ancillary translator module run/accessory sense. 45 5A Not used (spare). 46 10A Climate control module. 47 15A Fender direction indicator lamps. 48 30A Circuit breaker Power windows switch (crew cab). 49 Relay Delayed accessory power.
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Assignment of the fuses in the Power distribution box
Fuse or relay number Fuse amp rating Protected components 1 Relay Blower motor. 2 Relay Trailer tow and body builder stoplamps. 3 Relay Urea heaters (diesel engine). 4 Relay Driver air ride seat compressor. 5 Relay Heated mirrors. 6 — Not used. 7 — Not used. 8 20A* Passenger air ride seat compressor. 9 — Not used. 10 — Not used. 11 — Not used. 12 — Not used. 13 Resistor Terminating resistor (120 ohm). 14 — Not used. 15 — Not used. 16 — Not used. 17 — Not used. 18 — Not used. 19 10A** Brake on/off isolation relay. 20 — Not used. 21 — Not used. 22 30 A* Trailer tow electric brake controller. 23 40A* Blower motor. 24 — Not used. 25 30 A* Wipers. 26 30 A* Trailer tow park lamps. 27 25 A* Urea heaters (diesel engine). 29 Relay Trailer tow park lamps. 30 Relay A/C clutch. 31 Relay Wipers. 32 — Not used. 33 20A** Vehicle power 1. 34 20A** Vehicle power 2. 35 10A** Vehicle power 3. 36 20A** Vehicle power 4. 37 10A** Vehicle power 5 (diesel engine). 38 Relay Powertrain control module. 39 — Not used. 40 15A** Heated mirrors. 41 — Not used 42 20A** Trailer tow and body builder stoplamps. 43 — Not used. 44 20A** Ancillary translator module. 45 10 A** Run/start relay coil. 46 10 A** Transmission control module keep-alive power (diesel engine). 47 10 A** A/C clutch. 48 Relay Run/start. 49 20A** Air dryer. 50 10 A** Blower motor relay coil. 51 — Not used. 52 10 A** Powertrain control module run/start (diesel engine). Transmission control module run/start (diesel engine). 53 — Not used. 54 10 A** Anti-lock brake system run/start. 55 10 A** Seat compressor relay coil. Chassis solenoids relay coil. Heated mirror relay coil. 56 20A** Passenger compartment fuse panel run/ start feed 57 Relay Fuel pump. 58 5A** Wiper relay. 59 5A** Chassis solenoid relay. Air ride seat compressor relay. 60 — Not used. 61 — Not used. 62 — Not used. 63 10A** Chassis solenoids. 64 — Not used. 65 10A** Cargo box lamp. 66 30A** Fuel pump. 67 — Not used. 68 10A** Fuel pump relay coil. 69 — Not used. 70 10A** Trailer tow or body builder backup lamps. 71 — Not used. 72 10A** Powertrain control module relay coil. Keep-alive power. 73 5A** Hydromax monitor. 74 Relay Chassis solenoids. 75 — Not used. 76 — Not used. 77 Relay Brake switch isolation (hydraulic brakes). 78 — Not used. 79 — Not used. 80 — Not used. 81 — Not used. 82 20A* Auxiliary power point #2. 83 20A* Auxiliary power point #1. 84 20A* Driver air ride seat compressor. 85 60A* Hydromax pump. 86 30 A* Anti-lock brake system modulator valves. 87 — Not used. 88 — Not used. 89 40A* Starter motor 90 30 A* Trailer battery feed (air brakes). Trailer tow battery charge (hydraulic brakes). 91 Relay Cargo box lamp. 92 — Not used. 93 — Not used. 94 25 A* Upfitter relay #1. 95 25 A* Upfitter relay #2. 96 60A* Anti-lock brake system pump (hydraulic brakes). 97 — Not used. 98 — Not used. 99 40A* Instrument panel 110v power inverter. 100 30 A* Trailer tow turn lamp relays. 101 Relay Starter. 102 Relay Trailer tow battery charge relay (U-Haul). Trailer tow battery feed (air brakes). 103 Relay Trailer tow right hand side turn and stop lamps. 104 Relay Trailer tow left hand side turn and stop lamps. 105 — Not used. 106 Relay Trailer tow backup lamps relay. 107 Relay Passenger air ride seat compressor relay. * J case fuses.
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