Understanding your 2010 Ford F-150’s fuse box is crucial for diagnosing and resolving electrical issues. Fuses protect your vehicle’s electrical circuits from overloads, and knowing their locations and functions can save you time and money on repairs. Like many modern vehicles, the 2010 Ford F-150 is equipped with multiple fuse boxes. This article will guide you through the locations and diagrams of these fuse boxes, helping you identify the correct fuse for various components, including systems related to your OBD2 port.
The 2010 Ford F-150 actually uses two distinct fuse boxes. These are the Passenger Compartment Fuse Panel and the Power Distribution Box, each serving different sets of circuits within your truck. Let’s explore each of these in detail to help you locate the fuse you need.
Passenger Compartment Fuse Panel
The passenger compartment fuse panel is located inside the vehicle. Typically, you can find it beneath the dashboard on the driver’s side. This fuse box houses fuses that protect circuits for interior components and some essential vehicle functions.
2010 Ford F-150 Passenger Compartment Fuse Box Diagram
Here is a detailed diagram of the fuses located in the Passenger Compartment Fuse Panel of your 2010 Ford F-150:
Type | No. | Description |
---|---|---|
Fuse MINI 30A | 1 | Moon roof |
Fuse MINI 15A | 2 | Not used (spare) |
Fuse MINI 15A | 3 | Not used (spare) |
Fuse MINI 30A | 4 | Not used (spare) |
Fuse MINI 10A | 5 | Keypad illumination, Brake Shift Interlock (BSI), SJB microprocessor power |
Fuse MINI 20A | 6 | Turn signals, Stop lamps |
Fuse MINI 10A | 7 | Low beam headlamps (left) |
Fuse MINI 10A | 8 | Low beam headlamps (right) |
Fuse MINI 15A | 9 | Interior courtesy lights, Cargo lamps |
Fuse MINI 15A | 10 | Backlighting, Puddle lamps |
Fuse MINI 10A | 11 | GPS module |
Fuse MINI 7.5A | 12 | Power mirror switch, Memory seat module microprocessor power, Steering column switch |
Fuse MINI 5A | 13 | SYNC |
Fuse MINI 10A | 14 | Ambient lighting module |
Fuse MINI 10A | 15 | Climate control |
Fuse MINI 15A | 16 | Ignition switch feed |
Fuse MINI 20A | 17 | All lock motor feeds |
Fuse MINI 20A | 18 | Driver memory seat switch |
Fuse MINI 25A | 19 | Not used (spare) |
Fuse MINI 15A | 20 | Adjustable pedals, Datalink |
Fuse MINI 15A | 21 | Fog lamps, Fog lamp indicator |
Fuse MINI 15A | 22 | Park lamps, Side marker lamps |
Fuse MINI 15A | 23 | High beam headlamps |
Fuse MINI 20A | 24 | Horn |
Fuse MINI 10A | 25 | Interior demand lamps, Mid box power feed |
Fuse MINI 10A | 26 | Instrument panel cluster, Key out inhibit solenoid, Radio info display (CID), Radio buttons, Key-in chime |
Fuse MINI 20A | 27 | Not used |
Fuse MINI 5A | 28 | Radio muting |
Fuse MINI 5A | 29 | Instrument panel cluster |
Fuse MINI 5A | 30 | Passenger airbag disable indicator |
Fuse MINI 10A | 31 | Restraints control module |
Fuse MINI 10A | 32 | Non-integrated compass module, |
Fuse MINI 10A | 33 | Trailer brake controller |
Fuse MINI 5A | 34 | Electronic locking differential indicator |
Fuse MINI 10A | 35 | Rear park assist |
Fuse MINI 5A | 36 | Passive anti-theft system transceiver |
Fuse MINI 10A | 37 | Upfitter relay coils |
Fuse MINI 20A | 38 | Subwoofer |
Fuse MINI 20A | 39 | Radio, Navigation display |
Fuse MINI 20A | 40 | Rear heated seats module |
Fuse MINI 15A | 41 | Auto dimming rear view mirror, Door lock switch illumination, Radio accessory delay |
Fuse MINI 10A | 42 | Not used (spare) |
Fuse MINI 10A | 43 | Heated mirror/backlight relay, Rain sensor, Reverse camera |
Fuse MINI 10A | 44 | Not used (spare) |
Fuse MINI 5A | 45 | Front wiper logic, Blower motor relay |
Fuse MINI 7.5A | 46 | Occupant classification sensor (OCS) |
Circuit breaker MAXI | 47 | Power windows, Moon roof, Power sliding backlight |
Relay | 48 | 15A Delayed accessory relay (Feeds fuse 41 and circuit breaker 47) |
Within this fuse panel, fuse number 20, labeled “Datalink”, is particularly relevant to your vehicle’s diagnostic system. The datalink connector is another term for the OBD2 port. While not explicitly named “OBD2 fuse”, this fuse is crucial for the operation of the diagnostic communication network. If you are experiencing issues with your OBD2 scanner connecting to your 2010 Ford F-150, checking fuse #20 should be one of your first steps.
Power Distribution Box
The Power Distribution Box is usually located in the engine compartment. It generally houses fuses and relays for high-current circuits and components under the hood, such as the engine, transmission, and braking systems.
2010 Ford F-150 Power Distribution Box Diagram
Below is the fuse diagram for the Power Distribution Box in a 2010 Ford F-150:
Type | No. | Description |
---|---|---|
Relay | 1 | Powertrain control module (PCM) power relay |
Relay | 2 | Starter relay |
Relay | 3 | Blower motor relay |
Relay | 4 | Heated backlite relay |
Relay | 5 | Electric fan relay (high speed) |
Relay | 6 | Trailer tow park lamp relay |
Relay | 7 | Upfitter 1 relay |
Relay | 8 | Fuel pump |
Relay | 9 | Trailer tow battery charger |
Relay | 10 | Upfitter 2 relay |
Fuse FMX/JCase 30A | 11 | Power running board motors |
Fuse FMX/JCase 40A | 12 | Electric fan |
Fuse FMX/JCase 30A | 13 | Starter relay |
Fuse FMX/JCase 30A | 14 | Passenger power seats |
Fuse FMX/JCase 40A | 15 | Electric fan |
Fuse FMX/JCase 30A | 17 | Trailer brake |
Fuse FMX/JCase 30A | 18 | Upfitter 1 |
Fuse FMX/JCase 30A | 19 | Upfitter 2 |
Fuse FMX/JCase 20A | 20 | 4×4 module (ESOF) |
Fuse FMX/JCase 30A | 21 | Trailer tow battery charge |
Fuse FMX/JCase 20A | 22 | Cigar lighter |
Relay | 23 | A/C clutch relay |
Relay | 24 | Upfitter 4 relay |
Relay | 25 | Heated mirror relay |
Fuse MINI 10A | 26 | PCM – keep alive power, Canister vent solenoid, Transmission, PCM relay |
Fuse MINI 20A | 27 | Fuel pump relay |
Fuse MINI 10A | 28 | Upfitter 4 |
Fuse MINI 10A | 29 | 4×4 |
Fuse MINI 10A | 30 | A/C clutch |
Fuse MINI 20A | 31 | Trailer tow park lamp relay |
Fuse FMX/JCase 40A | 32 | Heated backlite |
Fuse FMX/JCase 40A | 34 | PCM relay |
Fuse FMX/JCase 30A | 36 | Roll stability control module (RSC) |
Relay | 37 | Trailer tow left hand stop/turn relay |
Relay | 38 | Trailer tow right hand stop/turn relay |
Relay | 39 | Back up lamps relay |
Relay | 40 | Electric fan relay |
Fuse MINI 15A | 41 | Heated mirror |
Fuse MINI 20A | 43 | Backup lamp relay |
Fuse MINI 15A | 44 | Upfitter 3 |
Fuse MINI 20A | 45 | Trailer tow stop turn relay feed |
Fuse MINI 15A | 46 | Brake on/off (BOO) switch |
Fuse FMX/JCase 60A | 47 | RSC module |
Fuse FMX/JCase 30A | 49 | Wiper motor, washer pump |
Fuse FMX/JCase 40A | 51 | Blower motor relay |
Fuse MINI 5A | 53 | PCM, 6R80 transmission |
Fuse MINI 5A | 54 | 4×4 module, Back up lamp, RSC, Trailer tow battery charge relay |
Fuse MINI 5A | 55 | Electronic compass mirror [6R transmission only] |
Fuse MINI 15A | 58 | Trailer tow backup lamps |
Diode MINI | 60 | One-touch Start diode |
Diode MINI | 61 | Fuel pump diode |
Relay | 62 | Upfitter 3 relay |
Fuse FMX/JCase 25A | 63 | Electric fan |
Fuse FMX/JCase 30A | 64 | Amplifier |
Fuse FMX/JCase 20A | 65 | Auxiliary power point (instrument panel) |
Fuse FMX/JCase 20A | 66 | Auxiliary power point (inside center console) |
Fuse FMX/JCase 20A | 68 | 4×4 module |
Fuse FMX/JCase 30A | 69 | Passenger heated/cooled seats |
Fuse FMX/JCase 20A | 72 | Auxiliary power point (Rear) |
Fuse FMX/JCase 30A | 74 | Driver power seat |
Fuse MINI 15A | 75 | PCM – voltage power 1 |
Fuse MINI 20A | 76 | Voltage power 2, Voltage – battery voltage, Mass air flow/Intake air temp, CMS 12 and 22 with 6R80 transmission, Brake on/off switch (BOO) |
Fuse MINI 10A | 77 | Voltage power 3, Electric fan clutch, A/C clutch relay coil, Floor shifter (4–speed transmission) |
Fuse MINI 15A | 78 | Ignition coils, Voltage power 4 |
Fuse MINI 10A | 79 | CMS 4–speed transmission, 12 and 22 with 4–speed transmission |
Fuse MINI 5A | 80 | Steering wheel illumination |
Fuse MINI 10A | 82 | Trailer brake control module (TBCM), After market center high mounted stop lamp (CHMSL) |
Relay | 85 | Electric fan relay (low speed) |
While there isn’t a specific fuse labeled “OBD2” in the power distribution box, several fuses are critical for the engine control unit (ECU) or Powertrain Control Module (PCM) to function. The PCM is essential for diagnostics and communication via the OBD2 port. Fuses such as #26 “PCM – keep alive power”, #34 “PCM relay”, #53 “PCM”, #75 “PCM – voltage power 1”, and #76 “Voltage power 2” are all vital for the PCM’s operation. If you’re facing OBD2 communication problems, ensure these fuses are intact in addition to the “Datalink” fuse in the passenger compartment.
Conclusion
Diagnosing electrical issues in your 2010 Ford F-150 often starts with checking the fuses. By understanding the layout of both the Passenger Compartment Fuse Panel and the Power Distribution Box, you can efficiently locate and inspect the fuses related to various systems, including those connected to your OBD2 diagnostic port. Remember to always consult your vehicle’s owner manual for the most accurate and up-to-date fuse information. If you are unsure about diagnosing electrical problems, it is always recommended to consult a qualified mechanic.