The Ford Flex , in its pre-facelift version , was produced from 2009 to 2012 . With its distinctive boxy design, spacious interior, and smooth driving dynamics, the Flex became a popular choice for families and long-distance travelers.
In this article, you will find fuse box diagrams for Ford Flex models produced between 2009 and 2012 , covering years 2009, 2010, 2011, and 2012 . These diagrams provide crucial details about the fuse layout and relay assignments, helping owners and technicians effectively maintain and troubleshoot the vehicle’s electrical systems.
What’s Included:
Fuse Box Diagrams : Clear and easy-to-read visuals for quick identification of fuses and relays.Fuse Panel Locations : Step-by-step instructions on where to find the fuse panels inside your Ford Flex.Fuse Assignments : Comprehensive descriptions of each fuse and relay’s function for accurate diagnostics and repairs.
Whether you’re replacing a blown fuse, diagnosing an electrical issue, or performing routine maintenance, this guide is an essential resource for Ford Flex (2009–2012) owners and technicians. It ensures the vehicle’s systems remain functional and reliable.
Keep your Ford Flex (2009–2012) in top condition with this detailed fuse box guide!
The cigar lighter (power outlet) fuses are:
Fuse №6 Fuse №18 Fuse №19 Fuse №21
All are located in the Engine Compartment Fuse Box .
The fuse panel is located under the instrument panel to the left of the steering wheel.
The power distribution box is located in the engine compartment.
The relay box is located in the engine compartment next to the power distribution box.
Assignment of the fuses in the Passenger compartment (2009)
№ Amp Rating Protected Circuits 1 30A Driver smart window motor 2 15A Not used (spare) 3 15A Family entertainment system (FES) 4 30A DC/AC inverter 5 10A Passenger compartment fuse panel logic power, Keypad illumination, BTSI 6 20A Turn signals 7 10A Low beam headlamps (left) 8 10A Low beam headlamps (right) 9 15A Interior lights, Cargo lamps 10 15A Backlighting, Puddle lamps 11 10A All wheel drive 12 7.5A Not used (spare) 13 5A Keypad, Mirror switch, Memory module, DSM logic, Adjustable pedals 14 10A Power liftgate module, CID, MGM 15 10A Climate control head 16 15A EFP, Navigation Screen 17 20A All power lock motor feeds, Liftgate release 18 20A 2nd row power seat, Front heated seats 19 25A Moon roof 20 15A OBDII connector, Memory seat 21 15A Fog lamps 22 15A Park lamps, License lamps 23 15A High beam headlamps 24 20A Horn relay 25 10A Demand lamps/Interior lamps, Power fold seat (2nd row) 26 10A Instrument panel cluster 27 20A Ignition Switch 28 5A Radio, Radio start signal 29 5A Instrument panel cluster 30 5A Overdrive cancel and grade assist switch 31 10A Not used (spare) 32 10A Restraint control module 33 10A Battery charge relay 34 5A Yaw rate sensor, ABS R/S, Refrigerator relay coil 35 10A Steering rotation sensor, Rear park assist, Heated seat modules, AWT), DC/AC inverter 36 5A PATS module 37 10A Not used (spare) 38 20A Not used (spare) 39 20A Radio 40 20A Second row heated seats 41 15A Swatch illumination, EC mirror, Moon roof, Front lock swatches, Radio 42 10A Not used (spare) 43 10A Aux relay, Heated back light relay, rear wiper 44 10A Not used (spare) 45 5A Relay coils: PDB, Front and rear wipers, Front blower motor 46 7.5A Occupant Classification Sensor (OCS), Passenger Airbag Deactivation Indicator (PADI) 47 30A Circuit Breaker Power windows 48 Full ISO relay Delayed accessoiy relay
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Assignment of the fuses in the Power distribution box (2009)
№ Amp Rating Protected Circuits 1 80A* Passenger compartment fuse panel power 2 80A* Passenger compartment fuse panel power 3 — Not used 4 30A* Front wipers 5 30A* Passenger power seat 6 20 A* Power point (instrument panel) 7 30A* Amp 8 — Not used 9 40A* Anti-lock Brake System (ABS)/AdvanceTrac pump 10 30A* Starter 11 30A* Powertrain Control Module (PCM) relay 12 20 A* ABS/AdvanceTrac valve 13 20A** Left HID 14 10A** Brake on/off (BOO) switch 15 15A** Refrigerator 16 20A** Right HID 17 10A** Alternator 18 20 A* Rear quarter panel power point 19 20 A* Power point (front console) 20 40A* Rear defroster 21 20 A* Rear console power point 22 20 A* Sub woofer amp 23 7.5 A** PCM Keep alive power, Canister vent 24 10A** A/C clutch relay 25 25A** Rear wiper 26 20A** Backup relay 27 15 A** Fuel relay (Fuel pump driver module, Fuel pump) 28 80A* Cooling fan 29 30A* E-brake (trailer tow) 30 40A* Battery charge (trailer tow) 31 30A* Auxiliary blower relay 32 30A* Driver seat motors, Memory module 33 — Not used 34 30A* Power liftgate 35 40A* Front A/C blower motor 36 10A** Back up lamps 37 10A** PCM run/start 38 5A** Illumination delayed accessory 39 Diode Fuel diode 40 Diode OTIS diode 41 G8VA relay A/C clutch 42 G8VA relay Fuel pump 43 G8VA relay Backup 44 G8VA relay Refrigerator 45 — Not used 46 15A** VPWR2, VPWR3 47 15A** PCM VPWR1 48 15A** PCM VPWR4 49 10A** Heated mirrors 50 Full ISO relay PCM relay 51 Full ISO relay Blower motor relay 52 Full ISO relay Starter relay 53 Full ISO relay Rear defrost relay 54 Full ISO relay Auxiliary blower motor relay 55 Full ISO relay Front wiper relay 56 — Not used 57 Full ISO relay Rear wiper relay 58 High current Battery charge relay (trailer tow) * Cartridge Fuses
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Auxiliary relay box
№ Amp Rating Description 1 10A Trailer tow backup lamp 2 15A Trailer tow stop/turn lamps 3 — Not used 4 — Not used 5 — Not used 6 — Not used 7 — Not used 8 — Not used 9 — Not used 10 — Not used 11 — Not used 12 20A Trailer tow park lamps 13 Micro ISO Trailer tow left turn 14 Micro ISO Trailer tow right turn 15 — Not used 16 Micro ISO Trailer tow park lamp
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Assignment of the fuses in the Passenger compartment (2010)
№ Amp Rating Protected Circuits 1 30A Driver smart window motor 2 15A Trailer tow stop/turn lamps 3 15A Not used (spare) 4 30A DC/AC inverter 5 10A Keypad illumination, 3rd row passenger seats, Brake transmission shift interlock 6 20A Turn signals 7 10A Low beam headlamps (left) 8 10A Low beam headlamps (right) 9 15A Interior lights, Cargo lamps 10 15A Backlighting, Puddle lamps 11 10A All wheel drive (AWD) 12 7.5A Not used (spare) 13 5A Keypad, Mirror switch, Memory module, DSM logic, Adjustable pedals 14 10A Power liftgate module, Center information display, SYNC®, GPS module 15 10A Climate control head 16 15A Electronic finish panel, Navigation Screen 17 20A All power lock motor feeds, Liftgate release 18 20A 2nd row power fold seats, Heated seats 19 25A Moon roof 20 15A Data link connector, Memory seat 21 15A Fog lamps, Fog lamp indicator 22 15A Park lamps 23 15A High beam headlamps 24 20A Horn 25 10A Demand lamps/Interior lamps, Power fold seats 26 10A Instrument panel cluster 27 20A Ignition Switch 28 5A Radio/navigation 29 5A Instrument panel cluster 30 5A Transmission shifter 31 10A Not used (spare) 32 10A Restraint control module 33 10A Not used (spare) 34 5A Roll stability control, Refrigerator relay coil 35 10A Steering angle sensor, Rear park assist, Active park assist, Heated seat, AWD, DC/AC inverter 36 5A Passive anti-theft system module 37 10A Not used (spare) 38 20A Trailer tow park lamps 39 20A Radio/navigation 40 20A Rear heated seats 41 15A Switch illumination, Auto dimming mirror, Moon roof, Mood lighting 42 10A Not used (spare) 43 10A Auxiliary climate control relay, Rear window defroster relay, Rear wiper 44 10A Not used (spare) 45 5A Wiper relay, climate control relay 46 7.5A Occupant classification sensor (OCS), Passenger airbag deactivation indicator (PADI) 47 30A Circuit Breaker Power windows 48 Full ISO relay Delayed accessory relay
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Assignment of the fuses in the Power distribution box (2010)
№ Amp Rating Protected Circuits 1 80A* Passenger compartment fuse panel power 2 80A* Passenger compartment fuse panel power 3 30A* Trailer tow brake controller 4 30A* Front wipers 5 30A* Passenger power seat 6 20A* Power point (instrument panel) 7 30A* Amplifier 8 — Not used 9 40A* Anti-lock brake system (ABS) pump 10 30A* Starter relay 11 30A* Powertrain control module (PCM) relay 12 20A* ABS valve 13 20 A** Left high intensity discharge (HID) headlamp 14 10 A** Brake on/off (BOO) switch 15 25A** Rear wiper 16 20 A** Right HID headlamp 17 10 A** Alternator sensor 18 20A* Rear power point 19 20A* Instrument panel power point 20 40A* Rear defroster 21 20A* Console power point 22 20A* Subwoofer amplifier 23 10 A** PCM keep alive power, Canister vent 24 10 A** A/C clutch 25 15A** Refrigerator 26 20 A** Backup relay 27 15A** Fuel relay (Fuel pump driver module, Fuel pump) 28 80A* Cooling fan 29 — Not used 30 30A* Battery charge (trailer tow) 31 40A* Auxiliary blower motor 32 30A* Driver seat motor 33 30A* 3rd row power seats 34 30A* Power liftgate 35 40A* Front A/C blower 36 10 A** Backup lamps 37 10 A** PCM run/start 38 10 A** Trailer tow backup lamps 39 Diode Fuel diode 40 Diode One touch integrated start diode 41 G8VA relay Trailer tow park lamp 42 G8VA relay Trailer tow stop/turn lamp (left) 43 G8VA relay Trailer tow stop/turn lamp (right) 44 G8VA relay Backup lamps relay 45 — Not used 46 15A** Vehicle power 2, Vehicle power 3 47 15A** Vehicle power 1 – PCM power (base engine only) 47 20 A** Vehicle power 1 – PCM power (EcoBoost only) 48 15A** Vehicle power – coils 49 10 A** Heated mirrors 50 HC micro relay Blower motor 51 HC micro relay Rear wiper 52 HC micro relay Starter 53 HC micro relay 3rd row power seats 54 — Not used 55 HC micro relay Front wiper relay 56 HC micro relay Rear window defroster 57 — Not used 58 — Not used 59 HC micro relay Auxiliary blower motor 60 HC micro relay Trailer tow battery charge 61 — Not used 62 G8VA relay Refrigerator 63 — Not used 64 HC micro relay PCM 65 G8VA relay A/C clutch 66 G8VA relay Fuel pump * Cartridge Fuses
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Assignment of the fuses in the Passenger compartment (2011)
№ Amp Rating Protected Circuits 1 30A Driver smart window motor 2 15A Trailer tow (TT) stop/turn lamps 3 15A Not used (spare) 4 30A DC/AC inverter 5 10A Keypad illumination, Brake transmission shift interlock 6 20A Turn signals 7 10A Low’ beam headlamps (left) 8 10A Low’ beam headlamps (right) 9 15A Interior lights, Cargo lamps 10 15A Backlighting, Puddle lamps 11 10A All wheel drive (AWD) 12 7.5A Not used (spare) 13 5A Keypad, Mirror switch, Memory module, DSM logic, Adjustable pedals 14 10A Power liftgate module, Center information display, SYNC®, Global positioning system (GPS) module, DVD 15 10A Climate control head 16 15A Electronic finish panel, Navigation screen 17 20A All power lock motor feeds, Liftgate release 18 20A 2nd row power fold seats, Heated seats 19 25A Moon roof 20 15A Data link connector, Memory seat 21 15A Fog lamps, Fog lamp indicator 22 15A Park lamps 23 15A High beam headlamps 24 20A Horn 25 10A Demand lamps/Interior lamps, Power fold seats 26 10A Instrument panel cluster 27 20A Ignition Switch 28 5A Radio/navigation 29 5A Instrument panel cluster 30 5A Transmission shifter 31 10A Not used (spare) 32 10A Restraint control module 33 10A TT battery charge relay coil 34 5A Roll stability control, Refrigerator relay coil, Electric power assist steering 35 10A Steering angle sensor, Reverse sensing system, Active park assist, Heated seat, AWD, DC/AC inverter, Rearview camera 36 5A Passive anti-theft system module 37 10A Not used (spare) 38 20A TT park lamps 39 20A Radio/navigation 40 20A Rear heated seats 41 15A Switch illumination, Auto dimming mirror, Moon roof, Mood lighting 42 10A Not used (spare) 43 10A Auxiliary climate control relay, Rear window defroster relay, Rear wiper 44 10A Not used (spare) 45 5A Wiper relay, climate control relay 46 7.5A Occupant classification sensor (OCS), Passenger airbag deactivation indicator (PADI) 47 30A Circuit Breaker Power windows 48 Full ISO relay Delayed accessory relay
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Assignment of the fuses in the Power distribution box (2011)
№ Amp Rating Protected Circuits 1 80A* Passenger compartment fuse panel power 2 80A* Passenger compartment fuse panel power 3 30 A* Trailer tow brake controller 4 30 A* Front wipers 5 30 A* Passenger power seat 6 20 A* Power point (instrument panel) 7 30A* Amplifier 8 — Not used 9 40A* Anti-lock brake system (ABS) pump 10 30A* Starter relay 11 30A* Powertrain control module (PCM) relay 12 20A* ABS valve 13 20A** Left high intensity discharge (HID) headlamp 14 10 A** Brake on/off (BOO) switch 15 25A** Rear wiper 16 20A** Right HID headlamp 17 10 A** Alternator sensor 18 20A* Rear power point 19 20A* Console power point 20 40A* Rear defroster 21 20A* Console power point (rear of front console) 22 20A* Subwoofer amplifier 23 10 A** PCM keep alive power, Canister vent 24 10 A** A/C clutch 25 15A** Refrigerator 26 20 A** Backup relay 27 15A** Fuel relay (Fuel pump driver module, Fuel pump) 28 80A* Cooling fan 29 — Not used 30 30A* Battery charge – trailer tow (TT) 31 40A* Auxiliary blower motor 32 30A* Driver seat motor 33 30 A* 3rd row power seats 34 30 A* Power liftgate 35 40 A* Front A/C blower 36 10A** Backup lamps 37 10A** PCM run/start 38 10A** TT backup lamps 39 Diode Fuel diode 40 Diode One touch integrated start diode 41 G8VA relay TT park lamp 42 G8VA relay TT stop/turn lamp (left) 43 G8VA relay TT stop/turn lamp (right) 44 G8VA relay Backup lamps relay 45 — Not used 46 15A** Vehicle power 2, Vehicle power 3 47 20A** Vehicle power 1 – PCM power 48 15 A** Vehicle power – coils on plugs 49 10A** Heated mirrors 50 HC micro relay Blower motor 51 HC micro relay Rear wiper 52 HC micro relay Starter 53 HC micro relay 3rd row power seats 54 — Not used 55 HC micro relay Front wiper relay 56 HC micro relay Rear window defroster 57 — Not used 58 — Not used 59 HC micro relay Auxiliary blower motor 60 HC micro relay TT battery charge 61 — Not used 62 G8VA relay Refrigerator 63 — Not used 64 HC micro relay PCM 65 G8VA relay A/C clutch 66 G8VA relay Fuel pump * Cartridge Fuses
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Assignment of the fuses in the Passenger compartment (2012)
№ Amp Rating Protected Circuits 1 30A Driver smart window motor 2 15A Trailer tow (TT) stop/turn lamps 3 15A Not used (spare) 4 30A DC/AC inverter 5 10A Keypad illumination, Brake transmission shift interlock 6 20A Turn signals 7 10A Low beam headlamps (left) 8 10A Low beam headlamps (right) 9 15A Interior lights, Cargo lamps 10 15A Backlighting, Puddle lamps 11 10A All wheel drive (AWD) 12 7.5A Not used (spare) 13 5A Keypad, Mirror switch, Memory module, DSM logic, Adjustable pedals 14 10A Power liftgate module, Center information display, SYNC®, Global positioning system (GPS) module, DVD 15 10A Climate control head 16 15A Electronic finish panel, Navigation screen 17 20A All power lock motor feeds, Liftgate release 18 20A 2nd row power fold seats, Heated seats 19 25A Moon roof 20 15A Data link connector, Memory seat 21 15A Fog lamps, Fog lamp indicator 22 15A Park lamps 23 15A High beam headlamps 24 20A Horn 25 10A Demand lamps/Interior lamps, Power fold seats 26 10A Instrument panel cluster 27 20A Ignition Switch 28 5A Radio/navigation 29 5A Instrument panel cluster 30 5A Transmission shifter 31 10A Not used (spare) 32 10A Restraint control module 33 10A TT battery charge relay coil 34 5A Roll stability control, Refrigerator relay coil, Electric power assist steering 35 10A Steering angle sensor, Reverse sensing system, Active park assist, Heated seat, AWD, DC/AC inverter, Rearview’ camera 36 5A Passive anti-theft system module 37 10A Not used (spare) 38 20A TT park lamps 39 20A Radio/navigation 40 20A Rear heated seats 41 15A Switch illumination, Auto dimming mirror, Moon roof, Mood lighting 42 10A Not used (spare) 43 10A Auxiliary climate control relay, Rear window defroster relay, Rear wiper 44 10A Not used (spare) 45 5A Wiper relay, climate control relay 46 7.5A Occupant classification sensor (OCS), Passenger airbag deactivation indicator (PADI) 47 30A Circuit Breaker Power windows 48 Full ISO relay Delayed accessory relay
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Assignment of the fuses in the Power distribution box (2012)
№ Amp Rating Protected Circuits 1 80A* Passenger compartment fuse panel power 2 80A* Passenger compartment fuse panel power 3 30A* Trailer tow brake controller 4 30A* Front wipers 5 30A* Passenger power seat 6 20A* Power point (instrument panel) 7 30A* Amplifier 8 — Not used 9 40A* Anti-lock brake system (ABS) pump 10 30A* Starter relay 11 30A* Powertrain control module (PCM) relay 12 20A* ABS valve 13 20A** Left high intensity discharge (HID) headlamp 14 10A** Brake on/off (BOO) switch 15 25A** Rear wiper 16 20A** Right HID headlamp 17 10A** Alternator sensor 18 20 A* Rear power point 19 20 A* Console power point 20 40 A* Rear defroster 21 20 A* Console power point (rear of front console) 22 — Not used 23 10A** PCM keep alive power, Canister vent 24 10A** A/C clutch 25 15 A** Refrigerator 26 20A** Backup relay 27 15 A** Fuel relay (Fuel pump driver module, Fuel pump) 28 80A* Cooling fan 29 — Not used 30 30 A* Battery charge – trailer tow (TT) 31 40 A* Auxiliary blower motor 32 30 A* Driver seat motor 33 30 A* 3rd row power seats 34 30 A* Power liftgate 35 40 A* Front A/C blower 36 10A** Backup lamps 37 10A** PCM run/start 38 10A** TT backup lamps 39 Diode Fuel diode 40 Diode One touch integrated start diode 41 G8VA relay TT park lamp 42 G8VA relay TT stop/turn lamp (left) 43 G8VA relay TT stop/turn lamp (right) 44 G8VA relay Backup lamps relay 45 — Not used 46 15A** Vehicle power 2, Vehicle power 3 47 20A** Vehicle power 1 – PCM power 48 15A** Vehicle power – coils on plugs 49 10A** Heated mirrors 50 HC micro relay Blower motor 51 HC micro relay Rear wiper 52 HC micro relay Starter 53 HC micro relay 3rd row power seats 54 — Not used 55 HC micro relay Front wiper relay 56 HC micro relay Rear window defroster 57 — Not used 58 — Not used 59 HC micro relay Auxiliary blower motor 60 HC micro relay TT battery charge 61 — Not used 62 G8VA relay Refrigerator 63 — Not used 64 HC micro relay PCM 65 G8VA relay A/C clutch 66 G8VA relay Fuel pump * Cartridge Fuses
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