AlphaRex 810039 Plug-in Headlight Converter for 17-21 Tesla Model S Pre-Facelift

Vehicle Fitment

• 2017-2021 Tesla Model S (Pre-Facelift, all trims)

Fitment Notes

• Converter module intended for use when installing AlphaRex Nova-Series headlights on 2017-2021 Model S.
• Pre-facelift Model S headlight harness required; not compatible with 2022+ refresh models or other Tesla models.
• Plug-and-play installation; retains full headlight functionality and CAN-bus communication.

Features

• Harness number 810039 designed specifically for AlphaRex headlight conversion on Model S platforms.
• Maintains factory headlight settings (adaptive, OLED, etc.) when paired with AlphaRex Nova-Series units.
• High-quality connector module with weather-sealed housing for reliable performance.
• Plug-in design eliminates splicing, cutting or rewiring factory harnesses.
• Compact form factor fits behind headlight assembly with factory mount positions.
• Retains compatibility with Tesla factory diagnostics and error-free operation.
• Installs in under 30 minutes in most installations using stock headlight units and mounting-brackets.
• Backed by AlphaRex warranty when used with their Nova-Series headlight products.

Specifications

• Part Number: 810039
• Type: Headlight wiring/harness converter
• Application: 2017-2021 Tesla Model S (Pre-Facelift) when paired with AlphaRex Nova-Series headlights
• Compatibility: Retains full factory headlight functions (DRL, adaptive, auto-level, etc.)
• Housing: Weather-sealed plastic connector module

Included Components

• 1x AlphaRex wiring converter 810039
• Installation instructions and wiring reference card

Product Description

The AlphaRex 810039 converter module enables seamless integration of AlphaRex Nova-Series headlights into the 2017-2021 Tesla Model S (pre-facelift) by adapting the factory headlight harness and retaining full headlight functionality. This plug-and-play solution ensures that the exotic Nova-Series lights communicate properly with the vehicle's CAN-bus and factory diagnostics.

Installation is straightforward with no cutting or rewiring required; simply connect the converter, plug in the AlphaRex headlight unit, and restore complete functionality. Ideal for enthusiasts upgrading their Model S with top-tier lighting performance and style upgrades while maintaining factory reliability and system integration.