
In this article, we focus on the third-generation Acura TL (UA6-UA7), a luxury midsize sedan produced from 2004 to 2008. This generation of the Acura TL is celebrated for its elegant design, strong performance, and advanced features that set new standards in the segment. It featured a refined interior, a robust V6 engine, and cutting-edge technology, including an optional navigation system with real-time traffic updates—innovative for its time. The third-generation TL quickly became a favorite among enthusiasts and luxury car buyers for its blend of comfort, performance, and reliability.
This guide provides detailed fuse box diagrams for Acura TL models manufactured in 2004, 2005, 2006, 2007, and 2008. These diagrams are essential for understanding the vehicle’s electrical architecture and identifying specific fuses. The article also includes information on the locations of the fuse panels, which are typically found in two primary areas: the interior cabin (usually beneath the dashboard on the driver’s side) and the engine compartment. These panels are easily accessible for troubleshooting and maintenance tasks.
Additionally, the guide offers a comprehensive breakdown of the fuse layout, detailing the assignments and functions of each fuse and relay. These assignments include systems and components critical to the car’s operation, such as exterior and interior lighting, the power windows and seats, the audio and infotainment system, air conditioning, and safety features like ABS (Anti-lock Braking System) and airbags. It also explains the roles of relays controlling major systems like the fuel pump, cooling fans, and heated mirrors.
Whether you are diagnosing an electrical issue, replacing a blown fuse, or performing regular maintenance, this article serves as a valuable resource to ensure your Acura TL’s electrical systems operate efficiently. The third-generation TL represents a high point in Acura’s lineup, combining luxury, performance, and technological sophistication. Proper knowledge of its fuse and relay systems is key to maintaining its renowned reliability and ensuring optimal performance for years to come.
The fuse for the cigar lighter/power outlet in the Acura TL is Fuse No.9 located in the passenger compartment fuse box.
Fuse box locations
Interior fuse box
The interior fuse box is on the driver’s lower left side.
To remove the fuse box lid, put your finger in the notch on the lid, pull it toward you, and take it out of its hinges.
Under-hood fuse box
The under-hood fuse box is on the driver’s side next to the air cleaner housing
Version 1
Version 2
Fuse box diagrams
2004, 2005, 2006
Engine compartment

Assignment of the fuses in the engine compartment (2004-2006)
Passenger compartment

Assignment of the fuses in the Passenger compartment (2004-2006)
2007, 2008
Engine compartment

Assignment of the fuses in the engine compartment (2007, 2008)
Passenger compartment

Assignment of the fuses in the Passenger compartment (2007, 2008)