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- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- 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
The Genuine Porsche Headlight Unit (Part Number 99661363202) is an original equipment replacement component designed for the dashboard lighting control assembly on selected right-hand-drive Porsche vehicles.
Fits:
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- 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
Diagram Ref No 2
Manufactured to Porsche's original specifications, this component forms part of the driver-operated headlight control arrangement, helping maintain reliable operation of the vehicle's exterior lighting controls.
The headlight control system is an important part of the vehicle's electrical equipment, allowing the driver to select the appropriate lighting functions according to road conditions, visibility and driving requirements.
Installed within the dashboard lighting switch assembly, the headlight unit works alongside the corresponding lighting switch, operating knob and electrical connections to maintain the correct factory control arrangement.
Over time, original electrical control components can deteriorate due to repeated operation, ageing, vibration and wear to their internal contacts or mechanical interfaces.
A faulty headlight control component may contribute to intermittent lighting operation, unreliable switching or difficulty selecting the intended lighting function.
Replacing a confirmed defective headlight unit with a Genuine Porsche component helps restore the original lighting control arrangement and maintain reliable operation of the associated electrical system.
Designed specifically for the relevant right-hand-drive configuration, this replacement is ideal for Porsche lighting system repairs, dashboard electrical maintenance and original equipment restoration.
What This Product Does:
The headlight unit forms part of the dashboard-mounted lighting control system and supports the correct operation of the associated vehicle lighting functions.
Its primary functions include:
- Supports Headlight Control: Forms part of the mechanism used to select and operate the vehicle's headlights.
- Maintains Lighting Switch Operation: Works with the corresponding dashboard lighting switch components to support consistent operation.
- Provides the Correct RHD Configuration: Designed for the relevant lighting control arrangement fitted to right-hand-drive vehicles.
- Supports Reliable Electrical Operation: Helps maintain the intended electrical and mechanical interfaces within the lighting control assembly.
- Maintains Driver Control: Supports convenient operation of the lighting controls from the dashboard.
- Preserves Factory Installation: Replaces the original component without changing the intended dashboard control layout.
- Supports Exterior Lighting Reliability: Contributes to the proper operation of the associated vehicle lighting system.
- Maintains Original Porsche Specifications: Provides the correct original equipment-style interface for the specified application.
Symptoms Of Wear Or Failure:
Dashboard headlight control components are subjected to repeated switching, electrical loads, vibration and age-related deterioration.
Over time, internal electrical contacts, mechanical components or associated connections may wear or become damaged.
Common symptoms that may indicate a faulty headlight control unit include:
- Intermittent Headlight Operation: The headlights may occasionally fail to respond correctly when the lighting controls are operated.
- Headlights Not Switching On: The lighting system may fail to activate despite the driver selecting the appropriate setting.
- Inconsistent Switching: The lighting controls may operate intermittently or require repeated movement.
- Stiff or Difficult Control Operation: Wear or damage within the associated control mechanism may make operation unusually difficult.
- Loose or Unstable Control: Excessive movement may develop around the dashboard lighting control assembly.
- Flickering Lights: An unreliable electrical connection may contribute to intermittent exterior lighting operation.
- Lighting Functions Remaining Active: A defective switch or related control component may fail to change electrical state correctly.
- Damaged Electrical Contacts: Corrosion, overheating or mechanical wear may affect the electrical interface.
- Visible Heat Damage: Discolouration, melting or burnt electrical connections may indicate an underlying electrical fault.
- Broken or Damaged Housing: Physical damage may prevent correct mounting or operation.
- Loose Electrical Connections: Damaged connectors or terminals may interrupt the associated lighting circuit.
- Failure Following Dashboard Repairs: Incorrect handling or installation may damage the original component.
Why Replacement Matters:
Replacing a faulty or damaged headlight control component is important for maintaining reliable exterior lighting operation and preserving the original dashboard control system.
Key Benefits of Replacement:
- Restores Lighting Control Functionality: Helps return the dashboard lighting control arrangement to its intended operating condition.
- Supports Reliable Headlight Operation: Replaces a confirmed defective control component that may interfere with normal lighting selection.
- Reduces Intermittent Electrical Problems: Can correct switching faults caused by deterioration of the original unit.
- Maintains Driver Convenience: Helps preserve predictable operation of the vehicle's lighting controls.
- Supports Driving Safety: Reliable headlight control is essential for night-time driving and poor visibility.
- Maintains Factory RHD Fitment: Provides the appropriate original equipment configuration for compatible right-hand-drive vehicles.
- Protects Original Dashboard Appearance: Preserves the intended lighting control installation and layout.
- Supports Electrical System Reliability: Replaces worn or damaged components within the lighting control assembly.
- Genuine Porsche Quality: Manufactured to Porsche's original equipment specifications.
- Correct Component Integration: Designed for use with the corresponding factory dashboard lighting controls.
- Ideal for Electrical Repairs: Suitable when a fault has been traced to the applicable lighting control component.
- Suitable for Porsche Restoration: Helps maintain the originality of the interior electrical control system.
Although the headlight control unit is a relatively small component, it contributes to the operation of one of the vehicle's most important electrical systems.
Unreliable lighting control can make it difficult to activate the headlights when required, potentially reducing visibility and creating a safety risk during night-time or poor-weather driving.
Electrical switching faults can also develop gradually, resulting in intermittent symptoms that become more frequent over time.
Replacing a confirmed defective component with a Genuine Porsche part helps restore the original lighting control arrangement and maintain dependable electrical operation.
Related reference numbers
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99661363202
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