AlphaRex 20-23 Tesla Model Y/17-22 Model 3 Headlights to ARX Headlight Decoder Wiring Adapter

AlphaRex 810037 is a Application-specific wiring connectors solution for 2020-2023 Tesla 3; 2020-2023 Tesla Y. This listing identifies the exact finish, placement, and compatibility details needed to verify the correct lighting upgrade before purchase.

Fitment

Always match the manufacturer part number and confirm the vehicle’s factory halogen, HID, LED, adaptive-lighting, connector, and trim configuration before installation.

Specifications

What’s Included

One application-specific wiring adapter or connector. Bulbs, resistors, adapters, converters, switches, bezels, and extra harnesses are included only when expressly stated in the product title or selected option.

About AlphaRex

AlphaRex develops vehicle-specific headlights, tail lights, fog lights, brake lights, and wiring solutions with application-specific optics, housings, connectors, and lighting functions. Exact compatibility depends on the part number and the vehicle’s original lighting package.

Related Parts

• Shop the complete AlphaRex collection
• Shop lighting wiring connectors

Frequently Asked Questions

Which factory-lighting conversion is AlphaRex 810037 designed for?
This vehicle-specific component is listed for 2020-2023 Tesla 3; 2020-2023 Tesla Y; 2022-2023 Tesla 3. Match the source and destination connector types to current AlphaRex documentation before ordering.

Is this adapter universal?
No. AlphaRex adapters and converters are application-specific; similar-looking connectors may have different pinouts and functions.

Does the listing include the lighting assemblies?
No, unless the title explicitly states otherwise. This listing covers the adapter, converter, or harness identified in the package contents.

What should be tested after the wiring is connected?
Test every applicable low-beam, high-beam, running-light, turn-signal, brake, reverse, and activation function before final assembly.

Installation Instructions

Professional installation is recommended. Inspect connectors before disassembly, dry-fit the assemblies, test low beam, high beam, running light, turn signal, brake, reverse, and activation functions as applicable, then verify clearance and weather seals. Aim replacement headlights after installation.