Ford Flex (2008 – 2015) – fuse box diagram (USA version)
Year of production: 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
Power distribution box
| Fuse or relay | Ampere rating [A] | Protected components |
| 1 | 40** | Fan relay 2 |
| 2 | 40** | Fan relay 1 |
| 3 | 30** | Trailer brake control module |
| 4 | 30** | Wipers, Washer pump |
| 5 | 50** | Anti-lock brake system pump |
| 6 | — | Not used |
| 7 | 30** | Power liftgate |
| 8 | 20** | Moonroof |
| 9 | 20** | 2nd row console power point |
| 10 | — | 3rd row power seats relay |
| 11 | — | Heated rear window relay |
| 12 | — | Trailer tow battery charge relay |
| 13 | — | Starter relay |
| 14 | — | Cooling fan #2 relay |
| 15 | — | Fuel relay |
| 16 | — | Not used |
| 17 | 30** | 110V AC power point |
| 18 | 40** | Front blower motor |
| 19 | 30** | Starter motor |
| 20 | 20** | Inside bin power point |
| 21 | 20** | Instrument panel power point / cigar lighter |
| 22 | 30** | 3rd row seat module |
| 23 | 30** | Driver power seat, Memory module |
| 24 | 30** | Trailer tow battery charge |
| 25 | — | Not used |
| 26 | 40** | Rear window defroster, Heated mirrors |
| 27 | 20** | Cargo power point |
| 28 | 30** | Front heated/cooled seats |
| 29 | 20** | Front heated seats |
| 30 | 20** | Rear heated seats |
| 31 | 25** | Electronic fan relay 3 |
| 32 | — | Auxiliary blower relay |
| 33 | — | Cooling fan #1 relay |
| 34 | — | Front blower 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 | 30** | Auxiliary blower motor |
| 40 | — | Not used |
| 41 | — | Not used |
| 42 | 30** | Passenger power seat |
| 43 | 20** | Anti-lock brake system valves |
| 44 | — | Windshield washer relay |
| 45 | 5* | Rain sensor |
| 46 | 5* | Canister vent solenoid (EcoBoost engines) |
| 47 | 15* | Washer pump |
| 48 | 10* | Front park lamps |
| 49 | — | Not used |
| 50 | 10* | Heated mirrors |
| 51 | 5* | Powertrain control module — Injector power monitor (non-EcoBoost engines) |
| 52 | — | Not used |
| 53 | — | Trailer tow left-hand stop/turn lamps relay |
| 54 | — | Not used |
| 55 | — | Wipers relay |
| 56 | 30* | Fuel injectors, Fuel pump relay |
| 57 | 20* | Left high-intensity discharge headlamps |
| 58 | 10* | Alternator sensor |
| 59 | 10* | Brake on/off switch |
| 60 | 10* | Trailer tow back-up lamps |
| 61 | — | Not used |
| 62 | 10* | A/C clutch |
| 63 | 15* | Trailer tow stop/turn lamps |
| 64 | 15* | Rear wipers |
| 65 | — | Not used |
| 66 | — | Powertrain control module – vehicle power relay |
| 67 | 20* | Vehicle power #2 – Oxygen sensor heater, Mass airflow sensor, Variable camshaft timing solenoid, Canister vent solenoid, Canister purge solenoid |
| 68 | 20* | Vehicle power #4 (ignition coils) |
| 69 | 20* | Vehicle power #1 (PCM) |
| 70 | 15* | Vehicle power #3 (coil) – A/C clutch relay, Fan control relays, Variable air conditioning compressor, Auxiliary transmission warmup, Turbo charge waste-gate control, Electronic compressor bypass valve (for turbo charger), All-wheel drive module, Positive crackcase 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 | 20* | Right high-intensity discharge headlamps |
| 79 | 10* | Adaptive cruise control |
| 80 | — | Not used |
| 81 | — | Not used |
| 82 | 15* | Rear washer |
| 83 | — | Not used |
| 84 | 20* | Trailer tow park lamps |
| 85 | — | Not used |
| 86 | 5* | Powertrain control module — keep-alive power, Powertrain control module relay, Canister vent solenoid (non-EcoBoost engines) |
| 87 | 5* | Run/start |
| 88 | — | Run/start relay |
| 89 | 10* | Anti–lock brake system module |
| 90 | 10* | Powertrain control module run/start |
| 91 | 10* | Adaptive cruise control |
| 92 | 5* | Front blower relay coil, Power steering module |
| 93 | 5* | Auxiliary blower, Rear defroster, Battery charge relays |
| 94 | 30** | Body control module run/start |
| 95 | 5* | Front passenger window switch |
| 96 | — | Not used |
| 97 | — | Not used |
| 98 | — | A/C clutch relay |
| *Mini Fuses **Cartridge Fuses | ||
Passenger compartment fuse panel
| Fuse or relay | Ampere rating [A] | Protected components |
| 1 | 30 | Driver side front window |
| 2 | 15 | Memory seat, Second row seats |
| 3 | 30 | Passenger side front window |
| 4 | 10 | Battery saver relay (interior demand lamps and seat power) |
| 5 | 20 | Smart amplifier |
| 6 | 5 | Not used (spare) |
| 7 | 7,5 | Power mirror switch, Driver door module, Driver seat module, Keypad |
| 8 | 10 | Power liftgate |
| 9 | 10 | SYNC, Electronic finish panel, Radio transceiver module |
| 10 | 10 | Run/accessory relay, Front wiper motor relay |
| 11 | 10 | Intelligent access module, Heads-up display |
| 12 | 15 | Interior lighting, Puddle lamps, Backlighting |
| 13 | 15 | Right turn signals |
| 14 | 15 | Left turn signals |
| 15 | 15 | Center high mounted stop lamp, Backup lamp |
| 16 | 10 | Low beam headlamps (right) |
| 17 | 10 | Low beam headlamps (left) |
| 18 | 10 | Third row power seats, Start button run indicator, Keypad illumination, Brake shift interlock, Powertrain control module wake-up, Anti-theft system |
| 19 | 20 | Not used (spare) |
| 20 | 20 | Locks |
| 21 | 10 | Not used (spare) |
| 22 | 20 | Horn relay |
| 23 | 15 | Steering wheel control module, Instrument cluster |
| 24 | 15 | Datalink connector, Steering wheel control module |
| 25 | 15 | Liftgate release |
| 26 | 5 | Ignition switch, Push button start switch |
| 27 | 20 | Intelligent access module |
| 28 | 15 | Not used (spare) |
| 29 | 20 | Radio, Global positioning system module |
| 30 | 15 | Front park lamps, Trailer tow relay for park lamps, Front side markers |
| 31 | 5 | Trailer tow controller |
| 32 | 15 | Driver window switch and motor, Power lock switches, Moonroof, 110V AC power point, Interior rearview mirror |
| 33 | 10 | Not used (spare) |
| 34 | 10 | Blind spot monitor, 2nd row heated seats, Reverse sensing system, Rearview camera |
| 35 | 5 | Heads-up display, Climate control humidity sensor |
| 36 | 10 | Heated steering wheel |
| 37 | 10 | Refrigerator |
| 38 | 10 | Front passenger window switch |
| 39 | 15 | High beam headlamps |
| 40 | 10 | Rear park lamps, License plate lamps |
| 41 | 7,5 | Occupant classification system, Restraints control module |
| 42 | 5 | Not used (spare) |
| 43 | 10 | Not used (spare) |
| 44 | 10 | Not used (spare) |
| 45 | 5 | Not used (spare) |
| 46 | 10 | Climate control module |
| 47 | 15 | Fog lamps, Fog lamp indicator, Front turn signals #2 |
| 48 | 30A Circuit Breaker | Front passenger power window, Rear power windows |
| 49 | Delayed accessory relay | Body control module |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.