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Design 911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://www.design91.uk/images/schemaLogo.png https://www.design91.uk/images/schemaLogo.png +443456003478 https://www.design91.uk Facebook Instagram

Wiring Harness / Cables

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DISPLAYING 1 to 4 (of 4 products)
93061201605/1
Product Information
Product Information
Engine wiring harness loom. 

retroline

Fits:
Porsche 911 turbo - 1978 to 1981 US spec (with Catalytic Converter)

Complete engine harness, including 14 pole connector, rubber boot + protection tube for backup switch cable, alternator connection boots and rubber entry block.

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



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Related, superseded, cross reference or alternative numbers for comparison.

93061201605
93061201605

The product you are viewing cross references to these numbers
90161211000/1
Product Information
Product Information
Ground Strap Alternator and Intercooler.

Fits:
Porsche 911 - 1965 to 1973 - (alternator)

Porsche 911 turbo - 1987 to 1989  (intercooler)
Porsche 914 - 1970 to 1976

Click 'Zoom in' for large parts diagram.
Diagram ref no 18 or 17



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Related, superseded, cross reference or alternative numbers for comparison.

90161211000
90161211000

The product you are viewing cross references to these numbers
94461200207/2
Product Information
Product Information
Motronic DME connector kit - 35 Pin 

technicaracewire

Fits:
Porsche 924S - 1986 to 1988
Porsche 944 - 1982 to 1991
Porsche 944 turbo - 1985 to 1991
Porsche 968 - 1992 to 1995
Porsche 911 - 1984 to 1989


Connector will fit Bosch units
0 281 200 076
0 281 200 050

Connector List:

  • 35 Pin ECU Connector
  • Wire Seals
  • JPT Terminals
  • Connector Screws

Features:
After three decades of heat and extreme environmental conditions, the connectors and wires become extremely brittle and fragile and can break. Oftentimes, they break by just unplugging them. This can cause signal loss and prevent your engine from starting.

This OEM+ replacement kit will replace the stock ECU Bosch DME connector.



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Related, superseded, cross reference or alternative numbers for comparison.

94461200207
94461200207
94461200206
94460702106
94460704006
94460704009
94460704008
95160702106
95160702108
94460717304
94460717305

The product you are viewing cross references to these numbers
94461812405/2
Product Information
Product Information
Motronic DME connector kit - 55 Pin 

technicaracewire

Fits:
Porsche 944 S - 1987 to 1988
Porsche 944  S2- 1989 to 1991


Connector will fit Bosch units
0 281 200 195


Connector List:

  • 55 Pin ECU Connector
  • Wire Seals
  • Terminals
  • Connector Screws

Suitable for Bosch Motronic
M1.3 / M1.5 / M1.52 / M1.54
MP5.1 / MP5.2 / MP7 / M2.5 / M2.7 /M2.10

Features:
After three decades of heat and extreme environmental conditions, the connectors and wires become extremely brittle and fragile and can break. Oftentimes, they break by just unplugging them. This can cause signal loss and prevent your engine from starting.

This OEM+ replacement kit will replace the stock ECU Bosch DME connector.



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

94461812405
94460704006
94460704008
94460704009

The product you are viewing cross references to these numbers
DISPLAYING 1 to 4 (of 4 products)
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About Wiring Harness / Cables

Wiring Harnesses & Cables – Reliable Electrical Connectivity for Porsche Vehicles

Wiring harnesses and cables are the lifeblood of your Porsche’s electrical system, transmitting power and data between critical components such as sensors, lights, ignition systems, and control modules. A healthy wiring system ensures reliable communication across all vehicle systems — from the engine to interior electronics — maintaining performance, safety, and comfort.

At Design911, we supply an extensive range of genuine and high-quality wiring harnesses and cables for various Porsche models, including 911, Boxster, Cayman, Cayenne, Macan, and Panamera models. Each harness and cable is precision-engineered for durability, exact fitment, and optimal electrical conductivity to keep your Porsche performing at its best.

What Do Wiring Harnesses and Cables Do?

Wiring harnesses and cables connect all electrical and electronic systems within your Porsche, ensuring dependable power distribution and signal transmission. Their key roles include:

  • Delivering electrical power from the battery and alternator to essential systems.
  • Transmitting data signals between the ECU, sensors, and modules.
  • Supporting lighting, ignition, and climate control circuits.
  • Reducing wiring complexity by grouping circuits into one protected unit.

A well-maintained harness ensures stable voltage delivery, preventing power losses, short circuits, and intermittent faults.

Why Do Wiring Harnesses and Cables Fail?

Due to exposure to vibration, heat, and environmental elements, wiring and cables naturally degrade over time. Common causes of failure include:

  • Corrosion or oxidation on terminals and connectors.
  • Broken or frayed wires from movement or mechanical stress.
  • Insulation cracking due to heat and age.
  • Rodent damage or external wear from abrasion.
  • Water ingress leading to short circuits and poor conductivity.

Symptoms of wiring failure can include intermittent electrical faults, warning lights, non-functioning accessories, or complete electrical system failure.

Why Replace Damaged Wiring Harnesses or Cables?

Replacing worn or damaged wiring ensures electrical reliability, safety, and proper communication between all systems. Faulty wiring can lead to voltage drops, malfunctions, or even electrical fires if left unchecked.

Benefits of replacement include:

  • Restored electrical performance and reliability.
  • Prevention of intermittent faults and short circuits.
  • Improved signal integrity for sensors and control units.
  • Long-lasting durability with manufacturer-quality construction.

All wiring harnesses and cables in our range are built using high-quality copper conductors, heat-resistant sheathing, and precision connectors, ensuring exceptional reliability under all conditions.

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