Ford Ranger 2021 Fuse Box Info
Passenger compartment fuse box location:
The fuse box is behind the access cover on the outermost side of the steering column.
Engine compartment fuse box location:
The engine compartment fuse box has high-current fuses that protect your vehicle's main electrical systems from overloads.
Pre-fuse Box (If Equipped)
Your vehicle has a pre-fuse box in the engine compartment attached to the positive battery post. This box contains several high current fuses.
High Current Fuse Box (If Equipped)
Your vehicle has a pre-fuse box in the engine compartment below the engine compartment fuse box. This box contains several high current fuses.
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | - | Not used |
| 2 | 7.5A* | Not used (spare) |
| 3 | 20A* | Driver door lock |
| 4 | 5A* | Not used (spare) |
| 5 | 20A* | Branded audio amplifier |
| 6 | 10A** | Not used (spare) |
| 7 | 10A** | Not used (spare) |
| 8 | 10A** | Anti-theft alarm horn |
| 9 | 10A** | Telematics |
| 10 | 5A** | Not used (spare) |
| 11 | 5A** | Not used (spare) |
| 12 | 7.5A** | Electronic control panel, Climate control |
| 13 | 7.5A** | Instrument cluster, Steering column control module, Data link connector |
| 14 | 10A** | Extended power module (for Restraints module and Occupant module) |
| 15 | 10A** | SYNC Module, Data link connector |
| 16 | 15A* | Not used (spare) |
| 17 | 5A** | Not used (spare) |
| 18 | 5A** | Ignition switch, Lock solenoid, Push button start |
| 19 | 7.5A** | Extended power module (for Restraints module and Occupant module) |
| 20 | 7.5A** | Not used (spare) |
| 21 | 5A** | Humidity and in-car temperature sensor |
| 22 | 5A** | Not used (spare) |
| 23 | 10A* | Inverter, Door lock switch |
| 24 | 20A* | Central locking system |
| 25 | 30A* | Driver door power window |
| 26 | 30A* | Not used (spare) |
| 27 | 30A* | Not used (spare) |
| 28 | 20A* | Branded audio amplifier |
| 29 | 30A* | Not used (spare) |
| 30 | 30A* | Not used (spare) |
| 31 | 15A* | SYNC |
| 32 | 10A* | Radio transceiver module, Door entry remote |
| 33 | 20A* | Audio unit |
| 34 | 30A* | Run/start relay |
| 35 | 5A* | Not used (spare) |
| 36 | 15A* | Auto-dimming interior mirror, Mirror adjustment control |
| 37 | 20A* | Not used (spare) |
| 38 | 30A*** | Power windows |
|
*Micro 2 fuse **Micro 3 fuse ***PTC fuse. |
Engine compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | 15A* | Not used |
| 2 | - | Starter motor solenoid relay |
| 3 | 5A** | Rain sensor |
| 4 | - | Blower motor relay |
| 5 | 20A* | Auxiliary power point 3 - console rear |
| 6 | - | Trailer park lamp relay |
| 7 | 20A** | Powertrain control module |
| 8 | 20A** | Cannister vent solenoid, Fuel vapor shutoff valve, Canister purge valve, Variable cam timing valve 1 and 2, Heated oxygen sensors |
| 9 | - | Powertrain control module relay |
| 10 | 20A* | Auxiliary power point 1 - instrument panel |
| 11 | 15A*** | Ignition coils |
| 12 | 15A*** | A/C control drive, Transaxle warmer, Auxiliary water pump, Aspirator valve control, Fan clutch, Oil pump, Turbo bypass |
| 13 | 15A*** | Not used (spare) |
| 14 | 15A*** | Not used (spare) |
| 15 | - | Run/start relay |
| 16 | 20A* | Auxiliary power point 2 - instrument panel |
| 17 | 20A* | Auxiliary power point - rear cargo area |
| 18 | 10A** | Not used (spare) |
| 19 | 10A** | Electric power assist steering |
| 20 | 10A** | Lighting control switch |
| 21 | 5A** | Transmission Run/Start relay |
| 22 | 10A** | Air conditioning compressor |
| 23 | 7.5A** | Voltage quality module |
| 24 | 10A** | Not used (spare) |
| 25 | 10A*** | Anti-lock brake system |
| 26 | 10A*** | Not used (spare) |
| 27 | - | Not used |
| 28 | 10A** | Powertrain control module |
| 29 | 7.5A** | USB charge port |
| 30 | - | Not used |
| 31 | - | Not used |
| 32 | - | Fuel pump relay |
| 33 | - | A/C clutch relay |
| 34 | 10A** | Trailer reverse lamp |
| 35 | 15A** | Not used (spare) |
| 36 | - | Not used |
| 37 | 10A** | Heated exterior mirror |
| 38 | - | Trailer right turn and stop lamp relay |
| 39 | - | Trailer left turn and stop lamp relay |
| 40 | - | Trailer reverse lamp relay |
| 41 | - | Horn relay |
| 42 | - | 4WD (four-wheel drive) motor no. 2 relay |
| 43 | - | Not used |
| 44 | - | Not used |
| 45 | 5A** | Not used (spare) |
| 46 | 10A*** | Not used (spare) |
| 47 | 10A*** | Brake pedal switch |
| 48 | 20A** | Horn |
| 49 | 15A** | Transmission control module, Oil pump |
| 50 | 10A** | Wiper park heater |
| 51 | - | Not used |
| 52 | - | Not used |
| 53 | 15A** | Rear differential lock |
| 54 | - | Not used |
| 55 | - | Not used |
| 86 | - | 4WD motor no. 1 relay |
|
*M-type fuse **Micro 2 fuse ***Micro 3 fuse. |
Engine compartment fuse box - bottom:
| Fuse/Relay N° | Rating | Functions |
| 56 | 15A* | Trailer left turn and stop |
| 57 | - | Not used |
| 58 | - | Not used |
| 59 | - | Not used |
| 60 | 30A** | Fuel pump control module |
| 61 | - | Not used |
| 62 | 50A** | Body control module 1 - lighting |
| 63 | 15A* | Trailer right turn and stop |
| 64 | 30A* | Trailer brakes |
| 65 | 20A* | Heated driver seat |
| 66 | 25A* | Four wheel drive |
| 67 | 50A** | Body control module 2 - lighting |
| 68 | 30A* | Rear window defroster |
| 69 | 30A* | Anti-lock brake system valves |
| 70 | 30A* | Passenger power seat |
| 71 | 30A** | Trailer park lamps |
| 72 | - | Not used |
| 73 | 30A* | Trailer module |
| 74 | 30A* | Driver power seat |
| 75 | - | Not used |
| 76 | - | Not used |
| 77 | - | Not used |
| 78 | - | Not used |
| 79 | 40A** | Blower motor |
| 80 | 20A* | Heated passenger seat |
| 81 | 40A* | Inverter |
| 82 | 60A** | Anti-lock brake system pump |
| 83 | 30A* | Windshield wiper motor |
| 84 | 30A* | Starter motor solenoid |
| 85 | - | Not used |
| 87 | 40A** | Trailer module |
|
*M-type fuse **LPJ-type fuse |
Battery Mounted Fuse Link:
| Fuse N° | Rating | Functions |
| 1 |
300A 225A |
Alternator (with auxiliary fuse and relay box) Alternator (without auxiliary fuse and relay box) |
| 2 | 125A | Electronic power assist steering |
High Current Fuse Box:
| Fuse N° | Rating | Functions |
| 1 | - | Not used |
| 2 | 125A | Body control module |
| 3 | 50A | Voltage quality module (supplies rear lamp blind spot, rear view camera, head up display, 4x4 switch, image processing module and adaptive cruise control radar) |
| 4 | - | Busbar through to power distribution box |
| 5 | 100A | Auxiliary fuse and relay box |
