Wiring harness

Fits:
Porsche 911 1969 Coupe
Porsche 911 1970-73 Coupe
Porsche 911 1978-84 Coupe
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Diagram ref no 15
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90161203520
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
Fits:
Porsche 911 - 1969 to 1986 Targa Only
Harness for interior lights (Targa version)
Connects to main harness on right side under window.
As original coloured wiring.
Original neoprene terminal sleeves used, (no shrink wrap)
Very high quality flex automotive grade wiring, ISO6722:2002 / DIN72551/6 / EEC directive 2000/53
Gasoline, oil, battery acid, engine coolant resistant.
High flex sleeving ,very resistant to solvents and free of halogen, sulphur and phosphorous.
Special order made to order parts please allow 2 – 4 weeks
Handmade to concourse quality.
Diagram ref no 2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90161203541
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)

Fits:
Porsche 911 - 1970 to 1975
Harness with 6 pole male connector that connects to the light switch.
With original colour coded wiring.
Harness will exactly fit like the original item with Wire tube and oil resistant tape as original.
Terminals have rubber sleeves.
Harness comes with detailed connection instructions and new 6 pole connector 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 6
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91161201000
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
Fits:
Porsche 911 SC - 1978 to 1984
Complete main harness with original colour coded wiring. Runs from the front fusebox to dashboard.
This harness will exactly fit like the original and the wire tube, oil resistant tape are as original.
Terminals have rubber sleeves.
Harness comes with detailed connection instructions.
As original coloured wiring.
Original neoprene terminal sleeves used, (no shrink tube!)
Very high quality flex automotive grade wiring, ISO6722:2002 / DIN72551/6 / EEC directive 2000/53
Gasoline, oil, battery acid, engine coolant resistant.
High flex sleeving ,very resistant to solvents and free of halogen, sulphur and phosphorous.
Special order made to order parts please allow 2 – 4 weeks
Handmade to concourse quality.
Diagram ref no 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9116120
The product you are viewing cross references to these numbers
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L

Fits:
Porsche 911 SC 3.0L 08/1980-07/1983 (93016)
USA / Canada Spec
This harness runs from the engine bay, notably the white oxygen sensor and into the passenger compartment under the passenger seat. This harness includes the oxygen sensor plug and the 35 positions connector housing which connects to the module. Accel enrichment and diagnostic port connector housing are NLA and not included (wires are terminated with correct pins/sockets)
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91161217301
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC


Fits:
Porsche 911 / 912 - 1965 to 1989
Porsche 914
Protective sheathing cover for fuel ventilation lines and wiring harness
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Diagram ref no 42
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)
- Porsche 912E 4CYL 1976

Fits:
Porsche 911 - 1978 to 1986 (US / Canada)
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91161203911
The product you are viewing cross references to these numbers
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Runs through the tunnel to the rear wiper motor
Does not include diode

Fits:
Porsche 911 1974-89 for LHD cars
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91161202501
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Fits:
Porsche 911 - 1975 to 1986
Harness for center heater control panel (between front seats)
Harness goes from the fusebox (& ground) through the tunnel towards the heater control unit.
Comes with the right female pins but the connector housing needs to be re-used (NLA)
Special order made to order parts please allow 2 – 4 weeks
Handmade to concourse quality.
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Diagram ref no 10
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
911612152
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
Fits:
Right-Hand Drive (RHD) Models
Porsche 911 SC 1978-83
This harness is built to match the original specifications, featuring color-coded wiring for easy identification, wire tubing, and oil-resistant tape as originally used. It includes rubber-sleeved terminals (no shrink tubing – original neoprene sleeves) and high-quality automotive-grade flex wiring that meets ISO6722:2002, DIN72551/6, and EEC Directive 2000/53 standards. The materials are resistant to gasoline, oil, battery acid, and engine coolant, ensuring durability. Additionally, the high-flex sleeving is solvent-resistant and free of halogen, sulfur, and phosphorus for long-lasting performance.
Contents:
- 2x 6-pole male connectors
- 1x 14-pole male connector
- 1x Relay socket
- Replacement rubber sleeve & grommet
- Detailed connection instructions
Diagram ref. 1.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91161206127
The product you are viewing cross references to these numbers
- Porsche 911 1978-1983 3.0L / SC


Fits:
Porsche 911 1978-85
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91161217701
The product you are viewing cross references to these numbers
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1978-1989 3.3L Turbo (930)

Fits:
Porsche 911 1971-83
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91161203201
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC

Fits:
Porsche 911 - 1969 to 1989
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91161210401
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Fits:
Porsche 911 SC 1978 - 1983
USA and Canada spec.
Harness for brake and seatbelt warning control light panel to relay socket and 2 x switch on master brake cylinder.
Harness connects to tunnel harness with 2 pole connector.
A new 8 pole PCB connector (AMP 925077) is included.
2 connectors need to be re-used from original harness (NLA).
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91161204112
The product you are viewing cross references to these numbers
- Porsche 911 1978-1983 3.0L / SC


Fits:
Porsche 911 1978-86
Click 'Zoom in' for large parts diagram.
Diagram ref no 2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91161216303
The product you are viewing cross references to these numbers
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L


Fits:
Porsche 911 1978-86 LHD Cars
Click 'Zoom in' for large parts diagram.
Diagram ref no 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91161216203
The product you are viewing cross references to these numbers
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1978-1989 3.3L Turbo (930)
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.