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Porsche > 996 (911) (1997-2005) > 996 C4 3.4L 1997-08/01 > Electrical & Relays > Wiring harness >

Fog light additional beam wiring harness. Porsche 911 1974-86  ❭  91161202703

Fog light additional beam wiring harness. Porsche 911 1974-86 - 91161202703 - BP PS9272
2
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91161202703/1
Product Information
Product Information
Fog light additional beam wiring harness
This OE Match fog light / additional beam wiring harness is a replacement electrical loom used on Porsche 911 models from 1974 to 1986. It is designed to connect the front fog lights or additional beam lamps into the vehicle’s lighting electrical system, matching the original-style wiring layout and function.

Fits:
Porsche 911 1974 - 1986

Diagram ref no 2

The wiring harness provides the electrical connection needed for the fog lights or additional driving lights to operate correctly. It helps deliver power and signal connection between the lighting switch, relay, fuse circuit, and front lamp units, depending on the vehicle specification.

Functions
• Connects front fog lights or additional beam lamps to the vehicle wiring system
• Supports correct operation of auxiliary front lighting
• Helps restore original lighting circuit function
• Replaces brittle, damaged, cut, corroded, or modified wiring
• Provides correct OE Match routing and connection style
• Supports reliable power delivery to the lamps
• Suitable for lighting repair, restoration, or retrofitting where applicable

Why Replace This Part?
Original lighting harnesses can become brittle, cracked, corroded, overheated, or damaged after years of use. Poor wiring or bad connections can cause fog lights to fail, flicker, work intermittently, or suffer from voltage drop. Replacing the harness helps restore safe, reliable operation of the front auxiliary lighting system and improves the quality of a classic Porsche electrical restoration.

When to replace:
•  Fog lights or additional beam lamps do not work
•  Lamps flicker or operate intermittently
•  Wiring is brittle, cracked, cut, melted, or corroded
•  Connectors are loose, damaged, burnt, or oxidised
•  The front lighting system is being restored or repaired
•  The vehicle has incorrect aftermarket wiring fitted
•  Fog lights or additional driving lights are being refitted
•  The car is undergoing classic Porsche electrical restoration

Where it fits on the car
This harness fits in the front lighting electrical system of the vehicle. It is used to connect the fog light or additional beam lamp circuit to the front lamp units and related electrical components, such as the switch, relay, or fuse circuit depending on specification.

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

91161202703
91161202703

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Main wire harness set front end.

porsche

Fits:
Porsche 996 Carrera 1998-05
Porsche 996 GT3  1999-05

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

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

99661290300
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Support Bracket For Wiring Loom. Porsche 996 / 997.1 / 997.2 1998-2013 - 99761013100, 99660710100, 99660710101, 99660710102
4
Support Bracket For Wiring Loom. Porsche 996 / 997.1 / 997.2 1998-2013
Special Order item
99761013100
Product Information
Product Information
Support Bracket For Wiring Loom.

The Support Bracket for Wiring Loom is a genuine OEM Porsche mounting bracket designed to securely support and route the vehicle’s wiring harness (loom) in the electrical system of the Porsche 911 (996 and 997 generation).

Fits:

  • Porsche 996 C2 3.4L 1997-08/01
  • Porsche 996 C4 3.4L 1997-08/01
  • Porsche 996 C2 3.6L 09/01-2005
  • Porsche 996 C4 3.6L 09/01-2005
  • Porsche 996 C4S 3.6L 09/01-2005
  • Porsche 996 TURBO 2000-05
  • Porsche 996 GT2 2001-05
  • Porsche 996 GT3 MKI 1999-02
  • Porsche 996 GT3 MKII 2003>>
  • Porsche 996 GT3 RS 2003-04
  • Porsche 997 MK1 Carrera 2 3.6L 2005-08
  • Porsche 997 MK1 Carrera 2S 3.8L 2005-08
  • Porsche 997 MK1 Carrera 4 3.6L 2005-08
  • Porsche 997 MK1 Carrera 4S 3.8L 2005-08
  • Porsche 997 MK1 TURBO 2007-09
  • Porsche 997 MK1 GT3 2007-09
  • Porsche 997 MK1 GT2 2007-09
  • Porsche 997 MKII Carrera C2 3.6L 2009-12
  • Porsche 997 MKII Carrera C4 3.6L 2009-12
  • Porsche 997 MKII Carrera C2S 3.8L 2009-12
  • Porsche 997 MKII Carrera C4S 3.8L 2009-12
  • Porsche 997 MKII GT3 2010-11
  • Porsche 997 MKII Turbo 2010-13
  • Porsche 997 MKII GT2 RS 2011-13

Diagram Ref No 8

This bracket helps hold the wiring loom in the correct position behind trim panels, within the dashboard area, or along body mounting points, preventing the harness from moving, rubbing, or hanging loose. Proper wiring support is essential for protecting connectors and insulation, reducing vibration wear, and maintaining long-term electrical reliability.

This part is typically required during electrical repairs, interior removal/refit work, accident repairs, or when the original bracket has broken or gone missing.

What This Product Does:
  • Supports and secures the vehicle wiring loom in the correct position
  • Prevents wiring from rubbing against sharp edges or moving parts
  • Helps reduce vibration-related wear and electrical connector stress
  • Maintains neat, OEM-style cable routing and fitment
  • Supports safe and reliable operation of the vehicle’s electrical system

Symptoms Of A Missing Or Damaged Wiring Loom Bracket:
  • Loose or unsupported wiring behind dash/interior panels
  • Rattling noises caused by harness movement
  • Wiring insulation wear or chafing marks
  • Broken plastic/metal mounting points
  • Electrical faults caused by stressed or loose connectors
  • Poor fitment after previous repair work

Why Replacement Matters:
  • Protects wiring and connectors from damage and chafing
  • Helps prevent intermittent electrical issues and warning lights
  • Restores proper OEM harness routing and support
  • Reduces long-term risk of short circuits or wiring failure
  • Ensures safe, tidy installation during repairs or restorations



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

99761013100
99761013100
99660710100
99660710101
99660710102

The product you are viewing cross references to these numbers