Understanding the fuse box diagram of your Ford Focus mk3 is crucial for maintaining and troubleshooting electrical issues in your vehicle. The third-generation Ford Focus, produced from 2011 to 2018, features a complex electrical system with multiple fuse boxes to protect various components. This guide will help you navigate the intricacies of the Ford Focus mk3 fuse box diagram, ensuring you can quickly identify and replace blown fuses when needed.
Locating the Fuse Boxes
The Ford Focus mk3 has two main fuse boxes:
- Engine Compartment Fuse Box: Located near the battery, under the hood.
- Passenger Compartment Fuse Box: Situated behind the glove box on the passenger side.
Engine Compartment Fuse Box
The engine compartment fuse box contains high-amperage fuses that protect major electrical systems. To access it:
- Open the hood and locate the fuse box near the battery
- Release the cover latch and lift the cover
- Refer to the diagram on the underside of the cover for fuse locations
Key Components Protected
| Fuse Number |
Protected Component |
Amperage |
| 7 |
ABS pump |
40A |
| 28 |
Starter motor |
30A |
| 41 |
Heater blower motor |
40A |
Passenger Compartment Fuse Box
The passenger compartment fuse box protects interior electrical components. To access it:
- Open the passenger side door
- Remove the side panel on the edge of the dashboard
- The fuse box will be visible behind the glove box
Common Fuses in the Passenger Compartment
Here are some frequently accessed fuses in this box:
- Fuse 19: Radio, SYNC system (15A)
- Fuse 22: Power windows (30A)
- Fuse 31: Central locking system (20A)
- Fuse 37: Instrument cluster (5A)
Reading the Ford Focus mk3 Fuse Box Diagram
When consulting your Ford Focus mk3 fuse box diagram:
- Identify the correct fuse box (engine or passenger compartment)
- Locate the fuse number on the diagram
- Match the number to the corresponding component and amperage
- Use the fuse puller tool (usually located in the engine compartment fuse box) to remove and inspect the fuse
Replacing Fuses in Your Ford Focus mk3
When replacing a blown fuse in your Ford Focus mk3:
- Always use a fuse with the correct amperage rating
- Never substitute a blown fuse with a higher amperage fuse
- If a fuse blows repeatedly, have your vehicle inspected by a qualified mechanic
- Keep spare fuses in your vehicle for emergencies
Understanding your Ford Focus mk3 fuse box diagram is essential for quick troubleshooting and maintenance. By familiarizing yourself with the fuse locations and their corresponding components, you can save time and potentially avoid costly repairs. Always consult your owner's manual or a professional if you're unsure about any electrical issues in your vehicle.