Diagnosing electrical issues in your 2007 Ford F-150 often starts with checking the fuses. Understanding the fuse box layout and knowing the location of specific fuses, including those related to the OBD2 system, is crucial for effective troubleshooting. This guide provides detailed fuse box diagrams for the 2007 Ford F-150, helping you quickly identify and address fuse-related problems.
The 2007 Ford F-150 utilizes three distinct fuse boxes, each serving different vehicle systems. Locating the correct fuse box and identifying the specific fuse is the first step in resolving electrical malfunctions, including potential issues that might affect your OBD2 diagnostic port.
Passenger Compartment Fuse Panel Diagram
The primary fuse box, also known as the passenger compartment fuse panel or power distribution box, is located inside the cabin. This fuse box controls a wide array of interior and some exterior functions. Understanding this diagram is essential for diagnosing common electrical problems within your F-150.
2007 Ford F-150 passenger compartment fuse box diagram
Passenger compartment fuse panel diagram in a 2007 Ford F-150, highlighting the layout and component positions.
Below is a table detailing the fuses within the passenger compartment fuse panel of your 2007 Ford F-150. This table outlines the fuse number, amperage, and the circuits each fuse protects. While there isn’t a fuse labeled specifically “OBD2”, fuses related to the Powertrain Control Module (PCM) or diagnostic connector power could indirectly affect your OBD2 port’s functionality. For example, Fuse 41, which is a 20A fuse, powers the diagnostic connector.
Type | No. | Description |
---|---|---|
Fuse MINI 10A | 1 | Run/Accessory – Wipers, Instrument cluster, Audio for XL/STX |
Fuse MINI 20A | 2 | Stop/Turn lamps, Brake on/off switch, Hazard flashers |
Fuse MINI 7.5A | 3 | Power mirrors, Memory seats and pedals, Driver power seat |
Fuse MINI 10A | 4 | DVD battery power, Power fold mirror |
Fuse MINI 7.5A | 5 | Keep alive memory for Powertrain Control Module (PCM) and climate control module |
Fuse MINI 15A | 6 | Parklamps, BSM, Instrument panel illumination |
Fuse MINI 5A | 7 | Radio (start signal) |
Fuse MINI 10A | 8 | Heated mirrors, Switch indicator |
Fuse MINI 20A | 9 | Fuel pump relay, Fuel injectors, Intake manifold runner control [4.2L] |
Fuse MINI 20A | 10 | Trailer tow back-up lamps relay (PCB1), Trailer tow parklamp relay (R201) |
Fuse MINI 10A | 11 | A/C clutch, 4×4 solenoid |
Fuse MINI 5A | 12 | PCM relay coil |
Fuse MINI 10A | 13 | Climate control module power, Flasher relay |
Fuse MINI 10A | 14 | Back-up lamp and Daytime Running Lamps (DRL) relay coil, A/C pressure switch, Redundant speed control switch, Heated PCV [5.4L], Trailer tow back-up lamps relay coil, ABS, Reverse park aid, EC mirror, Navigation radio (reverse input) |
Fuse MINI 5A | 15 | Overdrive cancel, Cluster, Traction control switch |
Fuse MINI 10A | 16 | Brake-shift interlock solenoid |
Fuse MINI 15A | 17 | Fog lamp relay (R202) |
Fuse MINI 10A | 18 | Run/Start feed – Overhead power point, Electrochromatic mirror, Heated seats, BSM, Compass, RSS (Reverse Sensing System) |
Fuse MINI 10A | 19 | Restraints (Air bag module), OCS |
Fuse MINI 10A | 20 | Battery feed for overhead power point |
Fuse MINI 15A | 21 | Cluster keep alive power |
Fuse MINI 10A | 22 | Delayed accessory power for audio, power door lock switch and moon roof switch illumination |
Fuse MINI 10A | 23 | RH low beam headlamp |
Fuse MINI 15A | 24 | Battery saver power for demand lamps |
Fuse MINI 10A | 25 | LH low beam headlamp |
Fuse MINI 20A | 26 | Horn relay (PCB3), Horn power |
Fuse MINI 5A | 27 | Passenger Air bag Deactivation (PAD) warning lamp, Cluster RUN /START power |
Fuse MINI 5A | 28 | SecuriLock transceiver (PATS), PCM IGN monitor |
Fuse MINI 15A | 29 | PCM 4×4 power |
Fuse MINI 15A | 30 | PCM 4×4 power |
Fuse MINI 20A | 31 | Radio power, Satellite radio module |
Fuse MINI 15A | 32 | Vapor Management Valve (VMV), A/C clutch relay, Canister vent, Heated Exhaust Gas Oxygen (HEGO) sensors #11 and #21, CMCV, Mass Air Flow (MAF) sensor, VCT, Heated Positive Crankcase Ventilation (PCV) valve [4.2L engine], CID sensor [4.2L engine, 4.6L/4.2L EGR] , Electronic fan clutch [4.6L/5.4L engines] |
Fuse MINI 15A | 33 | Shift solenoid, CMS #12 and #22, Ignition coils |
Fuse MINI 15A | 34 | PCM power |
Fuse MINI 20A | 35 | Instrument cluster high beam indicator, High beam headlamps |
Fuse MINI 10A | 36 | Trailer tow right turn/stop lamps |
Fuse MINI 20A | 37 | Rear power point, Center console power point |
Fuse MINI 25A | 38 | Subwoofer power |
Fuse MINI 20A | 39 | Instrument panel power point |
Fuse MINI 20A | 40 | Low beam headlamps, DRL |
Fuse MINI 20A | 41 | Cigar lighter, Diagnostic connector power |
Fuse MINI 10A | 42 | Trailer tow left turn/stop lamps |
Fuse FMX/JCase 30A | 101 | Starter solenoid |
Fuse FMX/JCase 20A | 102 | Ignition switch feed |
Fuse FMX/JCase 20A | 103 | ABS valves |
Fuse FMX/JCase 30A | 105 | Electric trailer brakes |
Fuse FMX/JCase 30A | 106 | Trailer tow battery charge |
Fuse FMX/JCase 30A | 107 | Power door locks (BSM) |
Fuse FMX/JCase 30A | 108 | Passenger power seat |
Fuse FMX/JCase 30A | 109 | Driver power seat, Adjustable pedals, Memory module (pedals, seat, mirror) |
Fuse FMX/JCase 30A | 111 | 4×4 relays |
Fuse FMX/JCase 40A | 112 | ABS pump power |
Fuse FMX/JCase 30A | 113 | Wipers and washer pump |
Fuse FMX/JCase 40A | 114 | Heated backlite, Heated mirror power |
Fuse FMX/JCase 20A | 115 | Not used (Spare) |
Fuse FMX/JCase 30A | 116 | Blower motor |
Fuse FMX/JCase 30A | 118 | Heated seats |
Circuit breaker MAXI | 401 | Delayed accessory power: Power windows, Moon roof, Power sliding backlite (circuit breaker) |
Relay | R01 | Starter solenoid |
Relay | R02 | Accessory delay |
Relay | R03 | Hi-beam headlamps |
Relay | R04 | Heated backlite |
Relay | R05 | Trailer tow battery charge |
Relay | R06 | Blower motor |
Relay | R201 | Trailer tow park lamps |
Relay | R202 | Fog lamps |
Relay | R203 | PCM |
Auxiliary Relay Box (with DRL) Diagram
Some 2007 Ford F-150 models are equipped with Daytime Running Lights (DRL). If your truck has DRL, it will have an auxiliary relay box located in the engine compartment that manages these lights and other systems.
2007 Ford F-150 auxiliary relay box with DRL diagram
Auxiliary relay box diagram for a 2007 Ford F-150 with Daytime Running Lights (DRL), showing fuse and relay positions.
The table below details the fuses and relays found in the auxiliary relay box for 2007 F-150 models with Daytime Running Lights.
Type | No. | Description |
---|---|---|
Fuse ATO 5A | F03 | Clockspring illumination |
Relay | R01 | 4×4 CCW |
Relay | R02 | 4×4 CW |
Relay | R03 | Daytime Running Lamps (DRL) high beam disable |
Relay | R201 | (DRL) Daytime running lights |
Relay | R202 | (A/C clutch) A/C magnetic clutch |
Diode ATO | D01 | (A/C clutch) A/C magnetic clutch |
Auxiliary Relay Box (without DRL) Diagram
For 2007 Ford F-150 models without Daytime Running Lights (DRL), the auxiliary relay box configuration is slightly different. This diagram is crucial if your F-150 does not have DRL and you are experiencing related electrical issues.
2007 Ford F-150 auxiliary relay box without DRL diagram
Auxiliary relay box diagram for a 2007 Ford F-150 without Daytime Running Lights (DRL), illustrating the fuse and relay arrangement.
The following table describes the fuses and relays in the auxiliary relay box for 2007 F-150 models without Daytime Running Lights.
Type | No. | Description |
---|---|---|
Fuse ATO 5A | F03 | Clockspring illumination |
Diode ATO | D01 | A/C clutch |
Relay | R202 | A/C clutch |
Understanding the OBD2 Port and Related Fuses in your 07 F150
While none of the fuses are explicitly labeled “OBD2 fuse” in the 2007 Ford F-150 fuse box diagrams, the diagnostic connector, where you plug in your OBD2 scanner, is protected by Fuse 41 (20A) in the passenger compartment fuse panel. If you are experiencing issues with your OBD2 scanner not powering on or connecting to your vehicle’s computer, checking Fuse 41 should be one of your first steps.
A blown Fuse 41 could indicate a problem with the diagnostic port itself or with a device connected to it drawing excessive current. Always replace a blown fuse with one of the same amperage rating. If Fuse 41 continues to blow, it is recommended to investigate further for a short circuit or other electrical issues in the diagnostic circuit.
By using these fuse box diagrams and understanding the function of each fuse, you can effectively diagnose and resolve many electrical problems in your 2007 Ford F-150, including issues related to the OBD2 diagnostic system. Remember to always consult your vehicle’s owner’s manual for the most accurate and up-to-date information regarding your specific vehicle.