Tesla Model S Door Handle Repair Microswitch Harness – Part #1025401-00

Keep your Tesla Model S door handles functioning perfectly with this precision-engineered Door Handle Microswitch Harness (Part #1025401-00). Designed as a direct-fit replacement for Tesla Model S vehicles (2012–2017), this harness restores proper door handle operation quickly and reliably — no complicated modifications required.

Why Choose This Replacement Harness?

OEM-Compatible Fit: Engineered to match original Tesla Model S specifications for a seamless drop-in replacement.
Durable Construction: Built from high-quality plastic and wiring components designed to withstand everyday use and the demands of automotive environments.
Precise Part Number: Replaces OEM part #1025401-00 (also compatible with #1042845-00), so you can shop with confidence knowing you're getting the right component.
Restores Full Functionality: Reconnects the microswitch circuit within the door handle assembly, helping to bring your door handle back to smooth, responsive operation.
DIY-Friendly: Designed for straightforward installation, making it a practical choice for at-home repairs or professional workshop use.

Product Specifications

Compatible Vehicle: Tesla Model S (2012–2017)
OEM Part Number: 1025401-00 / 1042845-00
Material: Plastic / Wiring Harness
Type: Door Handle Microswitch Repair Harness

Perfect For

Tesla Model S owners experiencing unresponsive or malfunctioning door handles
Auto repair shops and technicians servicing Tesla vehicles
DIY enthusiasts looking for a reliable, cost-effective repair solution

Looking for more automotive and DIY accessories? Explore our Round Aluminum Wire for DIY Projects or browse our full range of tools and parts for your next project.

Learn more: FuelEconomy.gov on vehicle maintenance

Frequently Asked Questions

Q: Which Tesla Model S years is the Door Handle Microswitch Harness #1025401-00 compatible with?

A: This door handle microswitch harness is designed for the Tesla Model S, covering model years 2012 through 2017. It replaces OEM part numbers 1025401-00 and 1042845-00 for a direct-fit installation.

Q: What does the Door Handle Microswitch Harness do in a Tesla Model S?

A: The microswitch harness connects the door handle's microswitch to the vehicle's electronic system. When this component wears out or fails, the door handle may become unresponsive. Replacing this harness restores proper door handle operation and smooth, reliable entry to your vehicle.

Q: Is this Tesla Model S door handle harness easy to install at home?

A: Yes — this replacement harness is designed as a direct-fit component, making it suitable for confident DIY installation. However, if you are unfamiliar with automotive electrical components, professional installation by a qualified technician is always recommended to ensure the best results.

Q: What material is the Door Handle Microswitch Harness made from?

A: The harness is constructed from durable plastic and quality wiring materials, designed to meet the demands of regular automotive use and provide long-lasting performance.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.