2007 Ford F-150 passenger compartment fuse box diagram
2007 Ford F-150 passenger compartment fuse box diagram

07 F150 OBD2 Fuse Location and Fuse Box Diagram Guide

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 diagram2007 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 diagram2007 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 diagram2007 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.

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