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Wiring harness

DISPLAYING 1 to 4 (of 4 products)
Special Order item
98297215
Product Information
Product Information
Front Trim Wiring Harness.

Fits:
Porsche 982 Boxster (718) 2017>>
Cars With Option Codes:
IU0 - Without Connect Package
636 - Park Distance Control In Front And Rear
638 - Park Assist, Front, Rear And Reversing Camera

Porsche 982 Cayman (718) 2017>>
Cars With Option Codes:
9ZK - Telephone Module
9ZX - Mobile Phone Preparation

Diagram Ref No 2 And 3

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Related, superseded, cross reference or alternative numbers for comparison.

98297215
98297215
982972155E
982972156B

The product you are viewing cross references to these numbers
Special Order item
99104480073
Product Information
Product Information
Roof Console Wiring Repair Harness, Child Seat Preparation / Passenger Airbag Off, RHD.
For Right Hand Drive Cars ONLY!

Fits:
Porsche 991.1 MKI 2012>>2016
Porsche 991.2 MKII 2016>>2019
Porsche 981 Boxster 2012>>2016
Porsche 981 Cayman 2014>>2016
Porsche 982 Boxster (718) 2017>>
Porsche 982 Cayman (718) 2017>>

Part Goes On To Diagram Ref No 2

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99104480073
99104480073

The product you are viewing cross references to these numbers
Special Order item
9P1998003A
Product Information
Product Information
Wire set alarm horn conversion kit .

porsche

Fits:

Porsche 987 Boxster / Cayman - 2005 to 2012
Porsche 981 Boxster / Cayman - 2012 to 2016
Porsche 718 Boxster / Cayman - 2017 to 2024
Porsche 997.1 / 997.2 - 2005 to 2012
Porsche 991.1 / 991 .2 - 2012 to 2019
Porsche 955 / 957 Cayenne - 2003 to 2010
Porsche 958 Cayenne - 2010 to 2017
Porsche 95B.1 Macan - 2014 to 2018



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9P1998003A
9P1998003A

The product you are viewing cross references to these numbers
Special Order item
98160913302
Product Information
Product Information
Wire set, Rear axle.

porsche

Fits:
Porsche 981 Boxster 2012-16
Porsche 982 (718) Boxster 2017>>
Porsche 981C Cayman 2014-16
Porsche 982C (718C) Cayman 2017>>

Click 'Zoom in' for large parts diagram.
Diagram ref no 13
DISPLAYING 1 to 4 (of 4 products)
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About Wiring harness

Wiring Harnesses – Precision Electrical Connectivity for Porsche Vehicles

Wiring harnesses are the backbone of your Porsche’s electrical system. They connect and deliver power between critical components - from lighting and sensors to engine management and infotainment systems - ensuring everything functions as designed. A properly fitted harness guarantees reliable electrical performance, signal integrity, and safety throughout the vehicle.

At Design911, we supply a wide range of genuine and high-quality wiring harnesses for Porsche models including 911, Boxster, Cayman, Cayenne, Macan, and Panamera. Each harness is meticulously engineered offering precision, reliability, and durability as intended

What Do Wiring Harnesses Do?

A wiring harness is a complex assembly of wires, connectors, and terminals designed to:

  • Transmit power and data between electrical systems.
  • Protect electrical circuits with insulated, organised routing.
  • Simplify installation and maintenance by combining multiple wires into one unified assembly.
  • Ensure correct communication between sensors, ECUs, lights, and other modules.

In modern Porsches, wiring harnesses play a vital role in enabling advanced technologies — from adaptive lighting and traction control to comfort and entertainment systems.

Why Do Wiring Harnesses Fail?

Even though designed for longevity, wiring harnesses can degrade or fail due to:

  • Heat exposure or engine vibration causing insulation wear.
  • Moisture ingress or corrosion in connectors and terminals.
  • Rodent damage or physical abrasion from engine movement.
  • Electrical overloads or short circuits damaging internal wiring.
  • Previous repairs or poor modifications affecting performance.

Signs of a failing wiring harness include flickering lights, intermittent electrical faults, dashboard warnings, or complete system failure.

Why Replace Faulty Wiring Harnesses?

Replacing a damaged wiring harness restores proper electrical performance, eliminates intermittent issues, and prevents costly damage to control modules or sensors.

Benefits of replacement include:

  • Restored power delivery and communication across systems.
  • Improved reliability and protection against shorts or fires.
  • Elimination of diagnostic faults and warning lights.
  • Precision-fit installation with manufacturer-standard components.

Each harness in this range is built using high-grade materials and connectors, ensuring accurate fitment, corrosion resistance, and long-term dependability.

 

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