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Wiring harness

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DISPLAYING 33 to 48 (of 50 products)
1 2 3 4
901612003
Product Information
Product Information
Tunnel wiring harness loom.

retroline

Fits:
Porsche 911 / 912 - 1969

Complete 911 tunnel harness with original spiral colour coded wiring.

Harness will exactly fit like the original with wire tube and oil resistant tape as original.
Fusebox wiring is bundled with waxed lacing wire. Terminals have rubber sleeves.

Harness comes with detailed connection instructions. This harness has the three only for 69 model used round connectors (female-female, no longer available, to be re-used from your original harness)

Special order made to order parts please allow 2 – 4 weeks

Handmade to concourse quality.

Click 'Zoom in' for large parts diagram.
Diagram ref no 1

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901612003
90161200303
90161200304

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9116120
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Tunnel wiring harness loom.

retroline

Fits:
Porsche 911 - 1972 to 1973

Complete tunnel harness with original colour coded wiring.

Runs from front fusebox / gauges through tunnel to the engine bay.

Harness will exactly fit like the original.

Wire tube and oil resistant tape as original and the terminals have rubber sleeves.

Harness comes with detailed connection instructions.

2 x new 6 pole male connector , 1 x 14 pole male connector, fuel pump connector (rear) rubber sleeve and grommet included.

Special order made to order parts please allow 2 – 4 weeks

Handmade to concourse quality.

Click 'Zoom in' for large parts diagram.
Diagram ref no 1

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Related, superseded, cross reference or alternative numbers for comparison.

9116120
91161206120
91161200120

The product you are viewing cross references to these numbers
90261200300/1
Product Information
Product Information
Tunnel wiring harness loom.

retroline

Fits:
Porsche 912 - 1969

Complete 912 tunnel harness with original spiral colour coded wiring.

Harness will exactly fit like the original with wire tube and oil resistant tape as original.
Fusebox wiring is bundled with waxed lacing wire. Terminals have rubber sleeves.

Harness comes with detailed connection instructions. This harness has the three only for 69 model used round connectors (female-female, no longer available, to be re-used from your original harness)

Special order made to order parts please allow 2 – 4 weeks

Handmade to concourse quality.

Click 'Zoom in' for large parts diagram.
Diagram ref no 1

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90261200300
90261200300

The product you are viewing cross references to these numbers
91161203201/1
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Product Information
Two stage rear window defogger harness. Connects to engine bay relay panel with two-pole connector (included). Grommet for rear parcel shelf pass through also included.

oematch

Fits:
Porsche 911 1971-83

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91161203201
91161203201

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91161210401
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Window motor wiring loom with connector - Driver's door.

Fits:
Porsche 911 1969 - 1989

Diagram ref no 4

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91161210401
91161210401

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91161210401/1
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Window motor wiring loom with connector - left door.
This harness assembly is designed as a direct-fit replacement for the factory wiring loom that serves the driver’s-side door switch and window-regulator system on Porsche 911 models. It reconnects the control switch, window motor/regulator and associated connectors with OEM-style routing, connectors and insulation for restored function and reliability.

Fits:
Porsche 911 - 1969 to 1989

Diagram ref no 4

Function: The harness carries the electrical connections for the power-window mechanism and associated door controls (switches, regulators) in the driver-side door module. Accurate harness fitment ensures consistent switch response, smooth window movement and prevents wiring stress or connector failure.

  Application: Driver’s-door wiring harness for power window and switch functions

  Over time, door harnesses are subject to moisture, wear from repeated window operation, hinge motion and vibration. Insulation may crack, connectors loosen or wires may become corroded - resulting in intermittent switch behaviour, non-functional windows or electrical faults. Replacing with a correct-spec harness restores reliable window/switch operation, prevents costly intermittent issues and supports long-term electrical integrity.


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91161210401
91161210401

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90161205000/1
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Wire harness for front.

Fits:

Porsche 911 or 912 1969 

Fully prepared 911 1969 front harness with 2 x 6 pole male connector and relay base (for horn) with the only for 1969 thick positive wire.

•   Waxed lacing wire and each wire at the right length.
•   Runs from fuse box to left and right fender / left washer pump.
•   Original colour coded wiring.
•   Harness will exactly fit like the original.
•   Wire tube, and oil resistant tape as original.
•   Terminals have rubber sleeves.
•   2 new male connectors and relay socket included.



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90161205000
90161205000

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91161201400/1
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Product Information
Wire harness for hazard warning switch.
Comes with moulded connector
Includes 8 position connector housing for the back of the hazard switch.

oematch

Fits:
Porsche 911 1970-1972

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91161201400
91161201400

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91161201430/1
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The hazard switch harness is routed from the back of the hazard switch to the front luggage compartment harness.

oematch

Fits:
Porsche 911 1973-1984

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91161201430
91161201430

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91161204800/1
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Wiring harness door window electric motor. 
Sold each - fits left and right hand doors

oematch

Fits:
Porsche 911 - 1970 to 1989

Click 'Zoom in' for large parts diagram.
Diagram ref no 7



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91161204800
91161204800

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91161202400
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Wiring harness for front turn signal, left.

porsche

Fits:
Porsche 911 2.0L-2.7L 08/1969 - 07/1973

Click 'Zoom in' for large parts diagram.
Diagram ref no 12

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91161202400
91161202400
1695452470

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91161202400/1
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Product Information
Wiring harness for front turn signal, left.

oematch

Fits:
Porsche 911 2.0L-2.7L 08/1969 - 07/1973

Click 'Zoom in' for large parts diagram.
Diagram ref no 12

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91161202400
91161202400

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90161204700
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Wiring Harness For Front Turn Signal, Right.
The Genuine Porsche Wiring Harness for Front Turn Signal 90161204700 is a replacement electrical wiring harness for the right-hand front turn signal/indicator on compatible Porsche vehicles.
(2 Pieces Required For 69 Model For Left/Right)

Fits:
  • Porsche 911 2.0L 09/68-08/69 - left/right, 2 pcs. req.
  • Porsche 911 2.0-2.7L 08/69-07/73 - right, 1 pcs. req.
  • Porsche 912 1.6L 09/68-08/69 - left/right, 2 pcs. req.

Diagram Ref No 10

The harness provides the electrical connection required for the front indicator lamp to operate correctly. It carries electrical power and the necessary circuit connection between the vehicle wiring system and the right front turn signal assembly.

Age, corrosion, heat, moisture, previous repairs and damaged connectors can all cause an older wiring harness to become unreliable. Replacing a deteriorated harness helps restore dependable indicator operation and avoids intermittent electrical faults caused by damaged wiring or poor connections.

What This Product Does:
The wiring harness forms the electrical connection between the vehicle and the right front indicator assembly.

Its functions include:

  • Supplying the electrical circuit to the front turn signal
  • Connecting the indicator lamp to the vehicle wiring system
  • Maintaining reliable electrical continuity
  • Providing secure connections at the lamp assembly
  • Supporting consistent indicator operation
  • Keeping the original exterior lighting circuit correctly connected

When the turn signal is activated, the electrical circuit allows the right front indicator to flash and signal the driver's intended direction to other road users.

Symptoms Of Wear Or Failure:
Common signs of wiring or connector deterioration include:

  • Right front indicator not working
  • Intermittent indicator operation
  • Indicator working only when wiring is moved
  • FlickeringUnusually dim illumination
  • Irregular or rapid flashing
  • Corroded electrical terminals
  • Damaged or brittle wiring insulation
  • Exposed conductorsBroken wires
  • Loose connectors
  • Melted or heat-damaged connectors
  • Previous temporary wiring repairs
  • Electrical short circuitsBlown fuses
  • Moisture or corrosion around connections

The indicator bulb, lamp assembly and other parts of the circuit should also be checked before concluding that the harness itself has failed.

Why Replacement Matters:
Turn signals are essential safety and communication devices.

Replacing a damaged right-front indicator wiring harness helps:

  • Restore reliable indicator operation
  • Maintain consistent electrical continuity
  • Correct intermittent electrical faults
  • Replace damaged or corroded terminals
  • Eliminate brittle or unsafe wiring
  • Reduce the risk of short circuits
  • Maintain correct exterior lighting operation
  • Restore original-style electrical connections
  • Improve reliability compared with deteriorated temporary repairs

A turn signal that operates only intermittently cannot provide a dependable indication to other road users.



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

90161204700
90161204700

The product you are viewing cross references to these numbers
90161204700/1
Product Information
Product Information
Wiring harness for front turn signal, right (2 pieces required for 69 model for left/right)

oematch

Fits:
Porsche 911 2.0L 09/68-08/69 - left/right, 2 pcs. req.
Porsche 911 2.0-2.7L 08/69-07/73 - right, 1 pcs. req.
Porsche 912 1.6L 09/68-08/69 - left/right, 2 pcs. req.

Click 'Zoom in' for large parts diagram.
Diagram ref no 13

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

90161204700
90161204700

The product you are viewing cross references to these numbers
91161200300/1
Product Information
Product Information
Wiring harness for headlight, left / right. Front.

oematch

Fits:
Porsche 911 2.0L-2.2L 09/1969-08/1970

Click 'Zoom in' for large parts diagram.
Diagram ref no 3

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91161200300
91161200300

The product you are viewing cross references to these numbers
91161201130/1
Product Information
Product Information
Wiring harness for ignition switch.

oematch

Fits:
Porsche 911 2.0L-3.0L 08/1969 - 07/1975

Click 'Zoom in' for large parts diagram.
Diagram ref no 7

Related reference numbers
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91161201130
91161201100
91161201130

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DISPLAYING 33 to 48 (of 50 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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