Porsche Cayman 987C Rear Tail Light Lamp Right O/S Cable Harness 98763142403

Porsche Cayman 987C Wiring Harness Rear Tail Light Right is an original electrical installation component designed to service the right rear light in the Porsche Cayman 987C model. It enables proper power supply and signal transmission to the tail light and brake light, ensuring stable lighting system operation. Thanks to its factory geometry and connectors, the harness provides a reliable service solution for repairs or replacement of a damaged wire.

Specifications and technical data

• SKU: 98763142403-2
• Mark: Porsche
• Condition: Used
• OEM Part Number: 98763142403
• Substitutable numbers: 98763142403, 987 631 424 03
• Location on the vehicle: Rear, Right
• Part type: Rear Light Assembly
• Category: Rear Light Assemblies

Purpose and Function in the Lighting System

The presented wiring harness is a component of the Rear Lights and Brake Lights category, responsible for connecting the right rear light to the vehicle's electrical system. Its placement on the vehicle, specified as rear – right side, means the wire is matched in length, routing, and connector type specifically for this part of the bodywork.

In practice, the harness is responsible for:

• transmitting power to the bulbs or modules in the right rear light,
• relaying the signal for the brake light, position light, and any additional lamp functions,
• providing a stable, mechanically secured connection to the vehicle's main electrical system.

Original Fitment for Porsche

As a dedicated component for the Porsche Cayman 987C, the wiring harness has been designed for specific mounting points and wire routing within the bodywork. This means:

• compatible connectors that fit the factory right rear light,
• appropriate wire length for the rear area,
• easier installation without the need for electrical system modifications.

This makes the solution particularly beneficial for post-accident repairs, replacement of a damaged light, or restoring full functionality to the lighting system in cars of this series.

Characteristics of a Used Component

The wiring harness comes from disassembly, which means it is a used part, retaining its factory construction and intended purpose. This type of component is a good choice when preserving the original wire routing and compatibility with the vehicle's electrical system is important, while also limiting costs compared to a new part.

Before installation, a standard inspection of the insulation, connectors, and any signs of previous repairs is recommended to ensure trouble-free long-term operation. A correctly selected and functional wiring harness minimizes the risk of malfunctions such as circuit interruptions, lighting errors, or unstable lamp operation.

Benefits of Using a Dedicated Harness

Using the original wiring harness for the right rear light in the Porsche Cayman 987C offers a number of practical benefits:

• Factory Fitment – no need for electrical system modifications, wire cutting, or using adapters.
• Compatibility with the Electrical System – maintaining compliance with load parameters and lighting control logic.
• Safe Operation – proper electrical connections reduce the risk of contact overheating and lamp failure.

Expansion and Other Porsche Lighting Components

If you are planning a comprehensive repair or upgrade of the rear lighting area in your Porsche and need other parts from the same group, such as complete tail lights, control modules, or additional wiring, check the available parts in the Porsche Rear Lights and Brake Lights category.

For drivers interested in a broader approach to configuring the drive and handling characteristics of their vehicle, practical information on selecting axle ratios and differentials can be found in the article Used Drive Axles and Differentials – How to Choose Ratios for Your Driving Style, which discusses technical issues in an accessible, organized manner.