Wiring harness

Wiring harness for interior light.



Fits:
Porsche 911 1969 Coupe
Porsche 911 1970-73 Coupe
Porsche 911 1978-84 Coupe

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Diagram ref no 15

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90161203520

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Interior light wiring harness loom - Targa

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

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90161203541

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Light switch wiring harness loom.



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

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91161201000

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Luggage compartment wiring harness loom LHD.



Fits:
Porsche 911 / 912 - 1969 Left Hand Drive (LHD)

Complete main harness for the 1969 left hand drive (LHD) 911/912 with original spiral colour coded wiring.

Harness will exactly fit like the original with wire tube and oil resistant tape as original.

Harness comes with detailed connection instructions.
Fusebox wiring bundled with waxed lacing wire.

Shown fuseboxes are not included and need to be ordered separately

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 is 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.

Click 'Zoom in' for large parts diagram.
Diagram ref no 2

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90161200102

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Luggage compartment wiring harness loom RHD.



Fits:
Porsche 911 / 912 - 1969 Right Hand Drive (RHD)

Complete main harness for the 1969 right hand drive (RHD) 911/912 with original spiral colour coded wiring.

Harness will exactly fit like the original with wire tube and oil resistant tape as original.

Harness comes with detailed connection instructions.
Fusebox wiring bundled with waxed lacing wire.

Shown fuseboxes are not included and need to be ordered separately

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 is 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.

Click 'Zoom in' for large parts diagram.
Diagram ref no 2

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90161200102

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Luggage compartment wiring harness loom.



Fits:
Porsche 911 - 1971 to 1973

Complete main harness with original colour coded wiring.

Runs from front fusebox to dashboard and harness will exactly fit like the original.
Wire tube and oil resistant tape are as original and terminals have rubber sleeves.

Harness comes with detailed connection instructions.

• 2 x Single bulb holder for headlight signal lights included.
• Fuel pump connector, boot and cable entry grommet included.

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 is 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.

Click 'Zoom in' for large parts diagram.
Diagram ref no 2

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9116120

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Protective sheath covering. 



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

Rear window heater relay harness
This Genuine Porsche wiring harness is used for the rear window heating / rear window defogger relay circuit, helping connect the relay system that powers the heated rear screen.

Fits:
Porsche 911 1971 - 1973

This rear window heater relay harness, also referred to as a rear window defogger relay harness or wiring harness for rear window heating - is used in the electrical system for the single-stage rear window heating circuit on early Porsche 911 models. The harness provides the correct factory-style wiring connection for the rear window heater relay system.

This harness fits within the vehicle electrical wiring system, connected to the rear window heater / rear window defogger relay circuit. It is associated with the rear window heating relay wiring and connects into the relay/fuse wiring layout used on early Porsche 911 models.

The rear window heater relay harness can become brittle, damaged, corroded or previously modified over decades of use. Poor wiring, loose terminals or incorrect repairs can prevent the heated rear window from working correctly. Replacing the harness with a Genuine Porsche OE wiring harness helps restore the correct factory connection and supports reliable rear window demister operation. It is especially useful during classic Porsche 911 restoration, electrical repair or loom refurbishment work.

When to replace:
• If the rear window heater / demister is not working correctly
• If the relay wiring is damaged, brittle, cut or missing
• During restoration of the rear window heating system
• When replacing or refitting the rear window heater relay
• If previous wiring repairs are incorrect or non-original
• During body, interior or electrical loom restoration
• When returning the car to factory OE wiring specification.

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91161205400

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Rear window heater relay harness
This OE Match rear window heater relay harness is a replacement wiring harness used in the heated rear window / rear screen demister system on Porsche 911 models from 1971 to 1973. It is designed to match the original-style wiring layout and provide a secure electrical connection for the rear window heater relay.

Fits:
Porsche 911 1971 - 1973


The relay harness connects the rear window heater relay into the vehicle’s electrical system, allowing power to be supplied correctly to the heated rear window circuit. It helps the rear window demister operate as intended, clearing condensation and improving rear visibility in cold or damp conditions.

Functions
• Connects the rear window heater relay to the vehicle wiring system
•  Supports correct operation of the heated rear window circuit
•  Helps supply power to the rear screen demister
•  Restores proper electrical connection where the original harness is damaged
•  Helps improve rear visibility by supporting demister function
•  Replaces brittle, cut, corroded, or modified original wiring
•   OE Match replacement for classic Porsche electrical restoration.

Why Replace This Part?
Original wiring harnesses can become brittle, cracked, corroded, overheated, or damaged after decades of use. Poor connections in the rear window heater relay harness may cause the heated rear window to stop working, operate intermittently, or suffer from voltage drop. Replacing the harness helps restore reliable relay connection and supports correct demister operation.

When to replace:
•  The rear window heater or demister is not working
•  The relay wiring is brittle, cracked, corroded, or damaged
•  The harness has been cut, modified, or repaired incorrectly
•  Electrical terminals are loose, burnt, or oxidised
•  The rear window heater relay has been replaced
•  The vehicle wiring loom is being restored
•  The car is undergoing classic Porsche electrical or interior restoration

Where it fits on the car
This harness fits in the rear window heater electrical system, connecting the relay for the heated rear window circuit. It is used as part of the rear screen heater / demister wiring on Porsche 911 models from 1971 to 1973.

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91161205400

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Regulator panel wiring harness.
Connects to the engine and tunnel harness and includes a socket for the auxiliary start-up relay and speed switch. Also includes two grommets for panel pass through. This version is compatible with Bosch voltage regulators. *Sporto connector housing not included*



Fits:
Porsche 911 1971-73

Click 'Zoom in' for large parts diagram.
Diagram ref no 4

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91161200410

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Indicator Switch Repair Loom – Turn Signal Wiring Harness Repair 

High-quality indicator switch repair loom designed for Porsche 911 models from 1970 to 1977, providing a practical solution to repair faulty or worn turn signal switch wiring.

This harness is compatible with front luggage compartment wiring harnesses (91161200210 & 91161200212) and allows you to restore proper indicator switch function without replacing the complete assembly.

Fits:

• Porsche 911 1970-1973 2.4L / 2.7L RS LWB (F)
• Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
• Porsche 911 1975-1977 3.0L Turbo (930)

Designed for repair applications, this loom must be soldered directly to the switch, ensuring a secure and long-lasting electrical connection.

Manufactured to OEM-style standards, this repair harness is ideal for restoring original functionality while maintaining authenticity in classic Porsche electrical systems.

Key Features

• Indicator switch repair loom
• Suitable for Porsche 911 (1970–1977)
• Compatible with front harnesses 91161200210 & 91161200212
• Designed for turn signal switch repair
• Requires soldering to switch
• Restores reliable electrical connectivity
• OEM-style wiring layout
• Ideal for restoration and repair work

Function and Purpose

This repair loom restores functionality to the turn signal system.

It helps to:
• Repair damaged or worn indicator switch wiring
• Restore proper turn signal operation
• Maintain correct electrical connections
• Extend life of original switch components
• Support safe and reliable signalling

Why Use a Repair Loom

Original wiring can degrade over time, especially in classic vehicles.

Common issues include:
• Broken or brittle wiring inside switches
• Intermittent or failed turn signal operation
• Poor electrical contact
• High cost of replacing complete switch assemblies

This repair loom provides a cost-effective and targeted solution.

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911612REP

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Wiper Switch Repair Loom – Wiperl Wiring Harness Repair 

High-quality wiper switch repair loom designed for Porsche 911 models from 1971 to 1973, providing a practical solution to repair faulty or worn wiper switch wiring.

This harness is compatible with front luggage compartment wiring harnesses (91161200210) and allows you to restore proper wpier switch function without replacing the complete assembly.

Fits:

• Porsche 911 1971-1973 2.4L / 2.7L RS LWB (F)

Designed for repair applications, this loom must be soldered directly to the switch, ensuring a secure and long-lasting electrical connection.

Manufactured to OEM-style standards, this repair harness is ideal for restoring original functionality while maintaining authenticity in classic Porsche electrical systems.

Key Features

•  Wiper switch repair loom
• Suitable for Porsche 911 (1971–1973)
• Compatible with front harnesses 91161200210 
• Designed for wiper switch repair
• Requires soldering to switch
• Restores reliable electrical connectivity
• OEM-style wiring layout
• Ideal for restoration and repair work

Function and Purpose

This repair loom restores functionality to the wiper system.

It helps to:
• Repair damaged or worn wiper switch wiring
• Restore proper wiper signal operation
• Maintain correct electrical connections
• Extend life of original switch components
• Support safe and reliable wipers

Why Use a Repair Loom

Original wiring can degrade over time, especially in classic vehicles.

Common issues include:
• Broken or brittle wiring inside switches
• Intermittent or failed turn signal operation
• Poor electrical contact
• High cost of replacing complete switch assemblies

This repair loom provides a cost-effective and targeted solution.

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911613REP

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Trunk light wiring harness loom.

Fits:
Porsche 911/ 912 - 1965 to 1974

Harness in front trunk, connects on left side in trunk to main harness (for double lamps in hood)

As original colored 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.
Handmade to concourse quality.

Diagram ref no 16

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90161204200

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Tunnel harness
Routed from the front fuse panel and gauges to the engine compartment and rear lights.



Fits:
Porsche 911 1972-73

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Diagram ref no 3

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91161200121

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Tunnel wiring harness 1973 only - LHD (Left Hand Drive)

Fits:
Porsche 911 - 1973 only

The 1973 tunnel harness is a bit special as for some reason Porsche decided to tape the 1973 tunnel harness instead of using PVC conduit. 
In the PET catalogue this harness has the same part number as the 1972 version.
Complete tunnel harness with original color coded wiring. Runs from front fusebox and gauges through the tunnel to engine bay. 
This Harness will exactly fit like the original. 

Wire tube and oil resistant tape as original. Terminals have rubber sleeves and the harness comes with detailed connection instructions. Two new 6 pole male connectors and 1 x 14 pole female connector included.

This harness is taped, instead of PVC wire sleeving as only used for 1973 models.

Related reference numbers
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91161200121

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Tunnel wiring harness loom.



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

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