Ford F-750 (2011-2015) – fuse and relay box
Diagram of the fuse box in the passenger compartment
The fuse box is located behind the passenger airbag cover and is accessible through the glove compartment.
| Number | Amperes [A] | Description |
|---|---|---|
| 1 | 20 | Horn |
| 2 | 15 | Flasher relay |
| 3 | 20 | Power point |
| 4 | 10 | Data link connector (DLC), engine diagnostic connector, parking brake warning |
| 5 | 15 | Start the relay |
| 6 | – | Not used |
| 7 | – | Not used |
| 8 | 5 | Radio, GEM |
| 9 | 5 | Electric window relay |
| 10 | 15 | Heated mirrors |
| 11 | 5 | Wiper and washer systems |
| 12 | 10 | Gear selector |
| 13 | 20 | Radio / SYNC, Power Mirrors |
| 14 | 10 | Interior lamp relay |
| 15 | 10 | Interior lamp relay |
| 16 | 15 | High beam, indicator |
| 17 | – | Not used |
| 18 | 5 | Dimmer switch, interior lighting |
| 19 | 15 | Engine control |
| 20 | 5 | Boot system |
| 21 | 10 | DRL resistor |
| 22 | 15 | Air horn, air suspension dump, two-speed axle, driver-controlled lockable differential |
| 23 | 10 | Flasher relay |
| 24 | 15 | ABS relay, fuel heater relay, air dryer |
| 25 | 10 | Blower motor relay |
| 26 | 10 | Right-hand dipped beam headlamp |
| 27 | – | Not used |
| 28 | 10 | Left-hand dipped beam headlamp |
| 29 | 10 | Cluster, GEM |
| 30 | 15 | Allison electronic gearbox |
| 31 | 15 | Mirror folding relay |
| R1 | Internal lamps | |
| R2 | Not used | |
| R3 | Horn | |
| R4 | Not used | |
| R5 | Not used | |
Diagram of the fuse box in the engine compartment
| Number | Amperes [A] | Description |
|---|---|---|
| 1 | 20 | Upfitter switches (AUX 2 and AUX 4) / 12 V trailer socket contact |
| 2 | thirty | Electric seat (driver) |
| 3 | thirty | Electric seat (passenger) |
| 4 | 15 | Windshield washer relay, washer pump motor |
| 5 | 5 | Brake warning switch (vehicles with hydraulic brake only) |
| 6 | 20 | Upfitter switches (AUX 1 and AUX 3) |
| 7 | 15 | Brake pressure switches, ABS event relay |
| 8 | 20 | Diesel: DEF (urea), line heaters |
| 9 | 20 | Ignition switch, cut-off starter |
| 10 | 15 | Air reservoir dehumidification valve |
| 11 | thirty | Electric trailer brake |
| 12 | 20 | Fuse box in passenger compartment 5 and 21 |
| 13 | 15 | Instrument Cluster / Gateway Module |
| 14 | 20 | Diesel: nitrogen oxide sensor |
| 15 | – | Not used |
| 16 | 5 | Bendix® Air ABS |
| 17 | – | Not used |
| 18 | 10 | Fuel transfer pump |
| 19 | 15 | Gasoline: Powertrain control module power 1 |
| 20 | 10 | Gasoline: Power of powertrain control module 2 |
| 21 | 20 | Gasoline: Powertrain control module power 3 |
| 22 | 20 | Gasoline: Powertrain control module power 4 |
| 23 | – | Not used |
| 24 | – | Not used |
| 101 | thirty | Bendix Air ABS Relay (Air Brake Vehicles Only) |
| Hydraulic brake module (vehicles with hydraulic brake only) | ||
| 102 | 20 | Ignition switch |
| 103 | 20 | Ignition switch, fuses 19, 29 and 30. in the passenger compartment fuse box |
| 104 | 20 | Power point |
| 105 | 20 | Power door lock switches |
| 106 | thirty | Main light switch, multi-function switch |
| 107 | 50 | Fuse box fuses in passenger compartment 1, 2, 3, 4, 12, 13, 14 and 15 |
| 108 | 40 | Diesel: fuel heater |
| 20 | Gasoline: fuel pump module | |
| 109 | 40 | Power window |
| 110 | thirty | Windshield wiper |
| 111 | thirty | Body build-up relay, parking lamps |
| 112 | 40 | Blower motor |
| 113 | thirty | Heated seats, Air-Ride seat |
| 114 | 20 | DCU purification |
| 115 | 20 | Ignition switch, fuses in passenger compartment fuse box 8, 9, 10 and 11 |
| 116 | thirty | Left / right turn relays, backup lamp relay |
| 117 | 20 | Stop lamps |
| 118 | 60 | Vehicles with a hydraulic brake (trailer tow package only) |
| 601 | 60 | Trailer socket |
| 602 | 60 | Trailer fuse block with air brake |
| thirty | Hydraulic brake pump motor 2 | |
| 201 | Windshield washer relay | |
| 202 | Wiper high / low relay | |
| 203 | Wiper operation / standstill relay | |
| 204 | Windshield wiper relay | |
| 205 | Bodywork relay, right turn | |
| 206 | Bodywork relay, left turn | |
| 207 | ABS event relay (vehicles with hydraulic brake only) | |
| 208 | Bodywork relay, back-up lamp relay | |
| 209 | Auxiliary stop lamp relay | |
| 301 | Diesel: fuel heater / fuel transfer pump relay | |
| Gasoline: fuel pump module | ||
| 302 | Bodywork relay, parking lamp relay | |
| 303 | Blower motor relay | |
| 304 | Diesel: DEF (urea) line heater relay | |
| Gasoline: Power of the VPWR1 powertrain control module | ||
| 9925 | thirty | Hydraulic brake pump motor 1 |
Line fuses
Your vehicle may have several built-in fuses located in / on the battery leads located in the battery box, depending on the application.
- Vehicles with vehicles equipped with an Allison transmission have a 10 amp fuse located in the clean power leads in the battery box.
- All vehicles are equipped with a 30 amp fuse located in clean supply leads located in the battery box.
- Vehicles equipped with an Eaton gearbox have a 30 amp fuse located in the clean energy leads in the battery box.
- All vehicles equipped with hydraulic brakes have a 40 amp fuse located in the clean energy lines located in the battery box, plus another 30 amp fuse located in the fuse holder just above the energy distribution center located in the engine compartment of the vehicle.
Relay Center
The center of the relay is along the A-pillar on the passenger side on the right side of the footwell.
| Number | Description |
|---|---|
| R1 | Spring loaded hydraulic release warning chime module |
| R2 | Air conditioning compressor clutch |
| R3 | Electric windows |
| R4 | Blinker (standard / LED) |
| R5 | Upfitter 1 |
| R6 | Upfitter relay 2 |
| R7 | Headlights |
| R8 | Cummins starter lockout |
| R9 | Upfitter relay 3 |
| R10 | Starter |
| R11 | Diesel: DCU |
| R12 | Two-speed axle / differential lock |
| R13 | Door lock |
| R14 | Moisture valve in the air reservoir |
| R15 | DRL # 1 |
| R16 | Heated mirrors |
| R17 | Reserve |
| R18 | Upfitter 4 |
| R19 | Shift lock / EPRNDL display |
| R20 | Diesel: Selective Catalyst Reduction (SCR) (NOx) system |
| R21 | RUN |
| R22 | Unlocking the door |
| R23 | ABS warning indicator |
| R24 | DRL # 2 |
| R25 | Parking lights |
| R26 | Reserve |
Trailer Towing Relays (if equipped)
| Number | Amperes [A] | Description |
|---|---|---|
| 1 | thirty | ABS trailer towing power supply (only vehicles with a non-electric trailer brake) |
| 2 | thirty | Trailer tow parking / marker lamps |
| 3 | thirty | Trailer brake lamps |
| 4 | thirty | Trailer tow turn / stop lamps (combined) |
| Trailer turning lamps (separate) | ||
| 5 | – | Not used |
| R1 | Trailer tow ABS relay (only vehicles with a non-electric trailer brake) | |
| R2 | Trailer clearance lamp relay | |
| R3 | Trailer stop lamp relay | |
| R4 | Trailer rear lamp relay | |
| R5 | Not used | |
| R6 | Not used | |
| R7 | Trailer tow turn light relay left | |
| R8 | Right trailer turn lamp relay | |