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Wiring Harness / Cables
Wire harness for connection ABS sensor / brake pad warning front (left or right)
Fits:
Porsche 928 1986 - 1988
No RDK
2 x barrel connector with grommets and ground wire on both sides
Diagram ref no 3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92861240300
The product you are viewing cross references to these numbers
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
Shop Securely
12 Month Warranty
Worldwide Delivery
Ignition Coil Ground Strap Set – Left & Right Earth Cables
High-quality ignition coil ground strap set designed for Porsche 928 S2 and 928 S4 models from 1985 onwards.
This set includes both left (driver’s side) and right
(passenger side) ground cables, providing the essential electrical connection
between the ignition coils and the cylinder heads. These earth straps ensure
proper grounding of the ignition system, supporting consistent spark
performance and reliable engine operation.
Fits:
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Diagram ref no 27 and 28
Manufactured using durable, high-conductivity materials with robust insulation and terminals, these cables are designed to withstand engine bay heat, vibration, and long-term use while maintaining optimal electrical performance.
A direct replacement set, these ignition coil ground straps are critical for maintaining ignition system reliability and preventing electrical faults.
Key Features
• Complete set of left and right ignition coil ground straps
• Suitable for Porsche 928S (from 1985 onwards)
• Provides secure grounding between ignition coils and cylinder head
• High-conductivity cable construction for reliable performance
• Durable insulation for engine bay conditions
• OEM-style fit and function
Function and Purpose
These ground straps provide the critical electrical grounding path for the ignition coils.
They help to:
• Ensure stable and consistent ignition performance
• Prevent electrical resistance or grounding faults
• Support proper spark generation
• Maintain reliable engine operation
Why Replace Your Ignition Coil Ground Straps
Over time, ground cables can degrade due to heat, corrosion, and vibration.
Common issues include:
• Corroded or oxidised terminals
• Frayed or damaged cables
• Increased electrical resistance
• Poor grounding leading to ignition issues
Replacing the ground straps restores proper electrical flow and helps prevent ignition system faults.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92861281
The product you are viewing cross references to these numbers
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Shop Securely
12 Month Warranty
Worldwide Delivery
Ignition Coil Ground Strap Set – Left & Right Earth Cables
High-quality ignition coil ground strap set designed for Porsche 928 S2 and 928 S4 models from 1985 onwards.
This set includes both left (driver’s side) and right
(passenger side) ground cables, providing the essential electrical connection
between the ignition coils and the cylinder heads. These earth straps ensure
proper grounding of the ignition system, supporting consistent spark
performance and reliable engine operation.
Fits:
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Diagram ref no 27 and 28
Manufactured using durable, high-conductivity materials with robust insulation and terminals, these cables are designed to withstand engine bay heat, vibration, and long-term use while maintaining optimal electrical performance.
A direct replacement set, these ignition coil ground straps are critical for maintaining ignition system reliability and preventing electrical faults.
Key Features
• Complete set of left and right ignition coil ground straps
• Suitable for Porsche 928S (from 1985 onwards)
• Provides secure grounding between ignition coils and cylinder head
• High-conductivity cable construction for reliable performance
• Durable insulation for engine bay conditions
• OEM-style fit and function
Function and Purpose
These ground straps provide the critical electrical grounding path for the ignition coils.
They help to:
• Ensure stable and consistent ignition performance
• Prevent electrical resistance or grounding faults
• Support proper spark generation
• Maintain reliable engine operation
Why Replace Your Ignition Coil Ground Straps
Over time, ground cables can degrade due to heat, corrosion, and vibration.
Common issues include:
• Corroded or oxidised terminals
• Frayed or damaged cables
• Increased electrical resistance
• Poor grounding leading to ignition issues
Replacing the ground straps restores proper electrical flow and helps prevent ignition system faults.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92861281
The product you are viewing cross references to these numbers
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Shop Securely
12 Month Warranty
Worldwide Delivery
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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Air Mass/Flow Sensors
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Alternator / Generator
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Batteries & Chargers
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Distributor
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Distributor Cap
-
Rotor Arms / Point Sets
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Relays / Fuses
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Ignition Coil
-
Ignition Lead Sets
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Ignition Lead High Performance
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Injectors
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Starter Motors
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Fuel Pressure Regulator
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Fuel Pump
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Fan / Temperature Switch
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Temperature Sensor
-
Speed / Reference / Knock Sensors
Monday-Friday: 8.30am - 5.30pm (GMT)
Saturday: Closed
Sunday: Closed
Please note:
We’ll be closed from Good Friday
(18 April) to Monday (21 April),
reopening as normal on
Tuesday (22 April).