Ford Flex 2018 Fuse Box Info
Fuse box location:
The fuse box is located under the instrument panel to the left of the steering wheel
Engine compartment fuse box:
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | 30A | Driver front power window |
| 2 | 15A | Memory seat, Second row seats |
| 3 | 30A | Passenger side front window |
| 4 | 10A | Demand lamps battery saver relay |
| 5 | 20A | Audio amplifier, Active noise control module |
| 6 | 5A | Not used (spare) |
| 7 | 7.5A | Driver seat module logic, Left front door zone module, Keypad |
| 8 | 10A | Power liftgate |
| 9 | 10A | SYNC module, Electronic finish panel, Radio frequency transceiver module |
| 10 | 10A | Run accessory relay, Front wiper motor relay |
| 11 | 10A | Intelligent access module, Heads-up display |
| 12 | 15A | Puddle lamp, Backlighting LED, Interior lighting |
| 13 | 15A | Right-hand direction indicators |
| 14 | 15A | Left-hand direction indicators |
| 15 | 15A | Center high mounted stop lamp, Backup lamp |
| 16 | 10A | Right low beam headlamp |
| 17 | 10A | Left low beam headlamp |
| 18 | 10A | Third row power seats, Start button, Keypad illumination, Brake-shift interlock, Powertrain control module wake-up, Anti-theft system |
| 19 | 20A | Not used (spare) |
| 20 | 20A | Locks |
| 21 | 10A | Extended power module |
| 22 | 20A | Horn relay |
| 23 | 15A | Steering wheel control module logic, Instrument cluster |
| 24 | 15A | Steering wheel control module, Datalink |
| 25 | 15A | Liftgate release |
| 26 | 5A | Ignition switch, Push button ignition switch |
| 27 | 20A | Intelligent access module power |
| 28 | 15A | Not used (spare) |
| 29 | 20A | Radio, Global positioning system module |
| 30 | 15A | Front park lamps, Trailer tow relay for park lamps, Front side markers |
| 31 | 5A | Trailer tow brake controller |
| 32 | 15A | Smart window motors, Master window and mirror switch, Lock switch illumination, Moonroof, 110V AC power point, Interior rearview mirror |
| 33 | 10A | Not used (spare) |
| 34 | 10A | Reverse park aid module, Rear heated seat module, Blind spot monitor module, Rear video camera, Interior mirror |
| 35 | 5A | Climate control humidity sensor, Heads-up display |
| 36 | 10A | Heated steering wheel |
| 37 | 10A | Refrigerator |
| 38 | 10A | Front passenger window switch |
| 39 | 15A | High beams |
| 40 | 10A | Rear park lamps, License plate lamps |
| 41 | 7.5A | Extended power module |
| 42 | 5A | Not used (spare) |
| 43 | 10A | Not used (spare) |
| 44 | 10A | Not used (spare) |
| 45 | 5A | Not used (spare) |
| 46 | 10A | Climate control module |
| 47 | 15A | Fog lamp relay, Front direction indicators |
| 48 | 30A Circuit Breaker | Front passenger power window, Rear power windows |
| 49 | - | Delayed accessory relay, Body control module |
Engine compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | 40A | Fan relay 2 |
| 2 | 40A | Fan relay 1 |
| 3 | 30A | Trailer brake control module |
| 4 | 30A | Wipers, Washer pump |
| 5 | 50A | Anti-lock brake system pump |
| 6 | 20A | Center console power point (without rear park aid) |
| 7 | 30A | Power liftgate |
| 8 | 20A | Moonroof |
| 9 | 20A | Second row console power point |
| 10 | - | Third row power seats relay |
| 11 | - | Heated rear window relay |
| 12 | - | Trailer tow battery charge relay |
| 13 | - | Starter motor relay |
| 14 | - | Cooling fan number 2 relay |
| 15 | - | Fuel pump relay |
| 16 | - | Not used |
| 17 | 30A | 110V AC power point |
| 18 | 40A | Front blower motor relay |
| 19 | 30A | Starter motor |
| 20 | 20A | Storage bin power point |
| 21 | 20A | Instrument panel power point / cigar lighter |
| 22 | 30A | Third row seat module |
| 23 | 30A | Driver power seat, Memory module |
| 24 | 30A | Trailer tow battery charge |
| 25 | - | Not used |
| 26 | 40A | Rear window defroster, Heated mirrors |
| 27 | 20A | Cargo power point |
| 28 | 30A | Front heated and cooled seats |
| 29 | 20A | Front heated seats (without cooled seats) |
| 30 | 20A | Rear heated seats |
| 31 | 25A | Electronic fan relay 3 |
| 32 | - | Auxiliary blower motor relay |
| 33 | - | Cooling fan #1 relay |
| 34 | - | Front blower motor relay |
| 35 | - | Cooling fan (series) relay |
| 36 | - | Not used |
| 37 | - | Trailer tow right-hand stop/turn lamps relay |
| 38 | - | Trailer tow reverse lamps relay |
| 39 | 30A | Auxiliary blower motor |
| 40 | - | Not used |
| 41 | - | Not used |
| 42 | 30A | Passenger power seat |
| 43 | 20A | Anti-lock brake system valves |
| 44 | - | Windshield washer relay |
| 45 | 5A | Rain sensor |
| 46 | 5A | Canister vent solenoid (EcoBoost engines) |
| 47 | 15A | Washer pump |
| 48 | 10A | Front park lamps |
| 49 | - | Not used |
| 50 | 10A | Heated mirrors |
| 51 | - | Not used |
| 52 | - | Not used |
| 53 | - | Trailer tow left-hand stop/turn lamps relay |
| 54 | - | Not used |
| 55 | - | Wipers relay |
| 56 | 30A | Fuel injectors, Fuel pump relay |
| 57 | 20A | Left high-intensity discharge headlamps |
| 58 | 10A | Alternator sensor |
| 59 | 10A | Brake on/off switch |
| 60 | 10A | Trailer tow back-up lamps |
| 61 | - | Not used |
| 62 | 10A | A/C clutch relay |
| 63 | 15A | Trailer tow stop/turn lamps |
| 64 | 15A | Rear wipers |
| 65 | - | Not used |
| 66 | - | Powertrain control module – vehicle power relay |
| 67 | 20A | Vehicle power #2 – oxygen sensor heater, Mass airflow sensor, Variable camshaft timing solenoid valve, Canister vent solenoid, Canister purge solenoid |
| 68 | 20A | Vehicle power #4 (ignition coils) |
| 69 | 20A | Vehicle power 1 (powertrain control module) |
| 70 | 15A | Vehicle power #3 (coil) – A/C clutch relay, Fan control relay coils 1-3, Variable air conditioning compressor, Auxiliary transmission warmup, Turbo charge waste-gate control, Electronic compressor bypass valve, All-wheel drive module, Positive crankcase ventilation heater |
| 71 | - | Not used |
| 72 | - | Not used |
| 73 | - | Not used |
| 74 | - | Not used |
| 75 | - | Not used |
| 76 | - | Not used |
| 77 | - | Trailer tow park lamps relay |
| 78 | 20A | Right high-intensity discharge headlamps |
| 79 | - | Not used |
| 80 | - | Not used |
| 81 | - | Not used |
| 82 | 15A | Rear washer |
| 83 | - | Not used |
| 84 | 20A | Trailer tow park lamps |
| 85 | - | Not used |
| 86 | 5A | Powertrain control module, Keep alive power and relay, Powertrain control module relay, Canister vent solenoid (non-EcoBoost engines) |
| 87 | 5A | Run/start relay |
| 88 | - | Run/start relay |
| 89 | 10A | Anti–lock brake system module |
| 90 | 10A | Powertrain control module run/start |
| 91 | 10A | Adaptive cruise control module |
| 92 | 5A | Front blower relay coil, Power steering module |
| 93 | 5A | Auxiliary blower motor, Rear window defroster relay, Battery charge relay |
| 94 | 30A | Body control module run/start |
| 95 | 5A | Front passenger window switch |
| 96 | - | Not used |
| 97 | - | Not used |
| 98 | - | A/C clutch relay |
