Audi A5 F5 Sportback Tail Lamp Light Outer Rear Left N/S Wire Loom 8W6945091J

Audi A5 F5 Sportback Tail Lamp Light Outer Rear Left N/S Wire Loom is an original electrical installation component designed to support the rear left lighting on the Sportback body style. Engineered specifically for the Audi model, this wire loom ensures a stable electrical connection, proper lighting function, and consistency with the factory wiring architecture. It is a practical solution for post-collision repairs, lamp replacement, or damage to the factory wiring.

Specifications and technical data

• SKU: 8W6945091J-2
• Mark: Audi
• Condition: Used
• OEM Part Number: 8W6945091J
• Substitutable numbers: 8W6945091J, 8W6 945 091 J, 4H0973713B, 4H0 973 713 B
• Location on the vehicle: Rear, Left
• Category: Rear Light Assemblies

Purpose and vehicle function

The presented wire loom is a component of the Rear lights and brake lights system, responsible for supplying power and control signals to the outer lamp on the rear left side of the vehicle. The vehicle placement, defined as rear – left side, allows for clear identification of the installation area and facilitates part selection during repairs.

Thanks to its factory-fit for the Audi A5 F5 Sportback, the loom works with the original lamp connectors and body wiring, which reduces the risk of installation errors, electrical network communication issues, and malfunctions of the position lights, brake lights, or turn signals.

Construction and Audi fitment

The wire loom has been prepared in accordance with Audi brand standards, maintaining proper wire routing, segment lengths, and connector placement. Appropriately selected wire gauges and insulation are adapted to the current loads typical for the rear lamp assembly, which promotes safe and stable operation of the lighting system.

Factory-standard connector ends allow for installation without the need for modifying the wiring, soldering, or using additional adapters. This solution is beneficial both technically and from a service perspective – it shortens repair time and reduces the risk of faults resulting from non-factory modifications.

Application in repairs and diagnostics

The rear lamp wire loom is particularly useful in situations where:

• wiring has been damaged as a result of a collision or bodywork/painting repairs,
• there are intermittent lighting failures on the rear left side of the vehicle,
• errors related to the rear lamp appear on the vehicle's dashboard,
• it is necessary to replace the lamp with a functional unit, and the original wire loom has been mechanically damaged.

Using a dedicated wire loom allows for restoring the proper operation of the lighting system without interfering with the rest of the electrical installation. This solution is particularly advantageous when aiming to maintain consistency with Audi's factory service documentation and electrical schematics.

Condition, benefits of choosing a used part, and installation aspects

The item is offered as a used part, which represents a reasonable compromise between repair costs and maintaining original manufacturing quality. In practice, this means the ability to restore full functionality to the rear lighting at a lower cost than purchasing new wiring.

As a plug-and-play component, the loom allows for efficient installation by an experienced service center or auto electrician once matched to the specific vehicle configuration. Maintaining factory connectors and wire routing promotes quick restoration of system efficiency without the need for structural changes to the installation.

Expanding the Audi lighting system

If you are planning a comprehensive repair or upgrade of the rear lighting zone in your Audi and need other components from the same group, such as combination lamps, control modules, or additional wires, check out the available parts in the Audi rear lights and brake lights category.

For drivers interested in a broader look at elements affecting engine performance and exhaust emissions, an article describing the exhaust gas recirculation system and the advantages of choosing used components may be helpful – you can find it here: EGR: what is it and why is it worth considering used EGR valves.