Audi Q3 F3 Outer Rear Tail Light Plug Wire Cable Connector Left N/S 83A945091

The Audi Q3 F3 Connector Wire Plug Left Rear Lamp is an original electrical installation component designed to service the driver's side rear lighting. Thanks to its factory-matched connector geometry and appropriately selected wiring harness, it ensures a stable electrical connection and proper lamp operation. This is a practical solution for post-collision repairs, lamp replacement, or damaged wiring harnesses.

Specifications and technical data

• SKU: 83A945091-2
• Mark: Audi
• Condition: Used
• OEM Part Number: 83A945091
• Substitutable numbers: 83A945091, 83A 945 091, 4H0973713C
• Location on the vehicle: Rear, Left
• Category: Other Starters, Alternators, ECUs & Wiring

Connector Purpose and Function

The presented wire with plug is a component of the rear lighting system, installed in the left rear area of the vehicle. It is responsible for transmitting signals from the car's electrical system to the lamp, enabling the correct operation of position lights, brake lights, turn signals, or license plate illumination – according to the specific lamp configuration in a given Audi Q3 F3 model.

The original connector design minimizes the risk of contact looseness, contact overheating, and electrical communication issues that often arise when using ill-fitting aftermarket parts or makeshift wiring repairs.

Construction and Fit for Audi

This component has been specifically designed for the Audi Q3 F3 platform, which translates to:

• factory-matched plug shape for the left rear lamp socket,
• appropriate wire length and routing within the bodywork,
• maintained correct pin order and wire cross-sections.

This solution facilitates installation and ensures the electrical system's consistency with the rest of the vehicle's setup, without the need for modifications or soldering additional cable sections.

Application in Repairs and Diagnostics

The left rear lamp wire connector is particularly useful in situations where:

• the wiring harness has been damaged due to a rear-end collision,
• the lamp socket has been repeatedly disconnected, leading to contact issues,
• intermittent lighting errors are appearing in the diagnostic system, indicating circuit interruptions,
• a functional lamp replacement is necessary, while simultaneously restoring a proper electrical connection.

By using the original connector, correct lighting operation can be restored without interfering with the vehicle's main wiring harness, which is beneficial for both technical aspects and subsequent diagnostics.

Product Characteristics and Condition

The offered component belongs to the Miscellaneous category, meaning it is a specialized electrical installation component not included in standard repair kits. The product is used, which practically means it has been previously operated in a vehicle but is still suitable for further use after proper installation. For many users, this represents a reasonable compromise between repair cost and maintaining original manufacturing quality.

Support for Selection and Audi Project Development

If you are planning a comprehensive repair or upgrade of the rear lighting area in your Audi and require other components from the same category, such as additional wiring harnesses, plugs, or adapters, check the available parts in the Miscellaneous Audi category.

For more advanced projects related to improving vehicle performance and handling, it is also worth exploring the structural differences between sport and standard versions. In this context, the article Audi RS vs. Other Models – What's Under the Hood and Chassis? will be helpful, discussing, among other things, the specifics of powertrains, brakes, and chassis, and their connection to selecting appropriate replacement parts.