Understanding your 2005 Ford Explorer Sport Trac’s fuse box is crucial for diagnosing and resolving electrical issues. This guide will help you locate the fuse related to your OBD2 port and other essential fuses in your vehicle. Like many vehicles, the 2005 Ford Explorer Sport Trac utilizes multiple fuse boxes to protect its various electrical circuits. In this model, you’ll find two primary fuse box locations.
The first location is the Interior Fuse Panel. This fuse box is typically located inside the cabin of your Sport Trac, often beneath the dashboard on the driver’s side. Consult your owner’s manual for the precise location if you are having trouble finding it. The interior fuse panel controls many of the vehicle’s internal systems.
The second fuse box is situated in the Engine Compartment. This box, often referred to as the power distribution box, is under the hood, usually near the battery or along a fender wall. The engine compartment fuse box manages fuses for critical engine and drivetrain components.
Interior Fuse Box Details
Below is a detailed breakdown of the fuses located in the interior fuse panel of your 2005 Ford Explorer Sport Trac. This table outlines the fuse number, amperage, and the circuits each fuse protects. Knowing these details is essential for targeted troubleshooting.
| Fuse Type | Fuse Number | Description |
|---|---|---|
| MINI 5A | 1 | Mirrors |
| MINI 15A | 2 | Ignition |
| MINI 7.5A | 3 | Trailer tow right-hand stop/turn lamps |
| MINI 15A | 5 | Park lamps, Autolamps, Instrument panel dimming, Trailer tow |
| MINI 7.5A | 6 | Cluster |
| MINI 7.5A | 7 | Trailer tow left-hand stop/turn lamps |
| MINI 7.5A | 9 | Speed control, Anti-lock Brake System (ABS), 4×4, Powertrain Control Module (PCM), Park interlock, Keyless entry |
| MINI 10A | 10 | Air bags |
| MINI 15A | 11 | Climate control, Rear climate control |
| MINI 15A | 13 | Subwoofer |
| MINI 7.5A | 14 | Cluster, Keyless entry, 4×4 |
| MINI 7.5A | 15 | Turn signals, Park interlock, Overhead console, Climate control, 4×4, Speed control |
| MINI 15A | 18 | Stop lamps, Flashers |
| MINI 15A | 19 | Daytime Running Lamps (DRL), Reverse lamps, PCM |
| MINI 20A | 22 | Security module/Power locks |
| MINI 7.5A | 24 | Starter |
| MINI 7.5A | 25 | Cluster, 4×4 |
| MINI 10A | 26 | Interior illumination, Battery saver |
| MINI 7.5A | 27 | Cluster, Delayed accessory, Front wiper |
| MINI 7.5A | 28 | Cluster, Audio |
| MINI 20A | 29 | Audio |
| MINI 5A | 31 | Rear climate control |
| MINI 5A | 32 | Auxiliary Center High-Mounted Stop Lamp (CHMSL) |
| MINI 15A | 33 | High beam headlamps |
| MINI 5A | 35 | ABS module |
| Fuse puller | – | Puller (Extraction tool for fuse replacement) |
Engine Compartment Fuse Box Details and OBD2 Fuse Location
The engine compartment fuse box houses fuses for higher amperage systems. Critically, the fuse for your OBD2 port is located in this engine compartment fuse box. If you are experiencing issues with your OBD2 scanner not powering on or connecting, this fuse box should be your first point of inspection.
| Fuse Type | Fuse Number | Description |
|---|---|---|
| FMX/JCase 50A | 1 | I/P fuse panel |
| FMX/JCase 30A | 3 | Powertrain control |
| FMX/JCase 20A | 4 | Power point |
| FMX/JCase 40A | 7 | Blower motor |
| FMX/JCase 30A | 8 | Starter motor |
| FMX/JCase 20A | 9 | Wiper motor |
| FMX/JCase 20A | 10 | Rear window/roof |
| FMX/JCase 50A | 11 | Adrenalin audio |
| FMX/JCase 25A | 14 | Ignition switch |
| FMX/JCase 20A | 15 | Rear power point |
| FMX/JCase 50A | 16 | Anti-lock Brake System (ABS) pump motor |
| FMX/JCase 20A | 19 | Cigar lighter, OBD II |
| FMX/JCase 20A | 20 | 4×4 motor |
| MINI 30A | 21 | ABS module |
| MINI 15A | 22 | 4×4 module |
| MINI 15A | 23 | Trailer tow |
| MINI 10A | 24 | Powertrain Control Module (PCM) memory |
| MINI 15A | 27 | Daytime Running Lamps (DRL) |
| MINI 10A | 28 | A/C clutch |
| MINI 25A | 29 | Headlamps |
| MINI 20A | 30 | Fuel pump |
| MINI 15A | 31 | Fog lamps |
| MINI 15A | 32 | Heated Exhaust Gas Oxygen (HEGO) sensors and solenoids |
| MINI 15A | 35 | Horn |
| MINI 10A | 36 | Automatic transmission |
| MINI 10A | 38 | Left low beam |
| MINI 10A | 39 | Delayed accessory |
| MINI 15A | 40 | Injectors, Mass Air Flow (MAF) sensor |
| MINI 10A | 42 | Right low beam |
| MINI 2A | 43 | Speed control |
| MINI 15A | 44 | PCM |
| Relay 45A | Fog lamps relay | |
| Relay 45B | A/C clutch solenoid relay | |
| Relay 46A | Trailer tow relay | |
| Relay 46B | Fuel pump relay | |
| Circuit breaker MAXI 47A | Windows, Seats | |
| Relay 48 | Window safety relay | |
| Diode MINI 51 | Brake On/Off (BOO) (750 Ohm resistor) | |
| Diode MINI 53 | PCM diode | |
| Relay 54 | PCM relay | |
| Relay 55 | Blower relay | |
| Relay 56 | Starter relay |
Specifically, for the 2005 Ford Explorer Sport Trac, the OBD2 port fuse is located in the engine compartment fuse box at position #19. This is a 20A fuse and is often shared with the cigar lighter (power point) in the vehicle. If your OBD2 scanner is not working, check this fuse first. A blown fuse is a common reason for a non-functional OBD2 port.
By utilizing these diagrams and fuse descriptions, you can effectively troubleshoot electrical problems in your 2005 Ford Explorer Sport Trac. Always refer to your vehicle’s owner’s manual for the most accurate and up-to-date information regarding fuse locations and specifications.
