Nexus S3 / S2 Universal Wire-In Harness – 2.5m (8′)

The Connection for Nexus Technology

The Nexus S3 / S2 Universal Wire-In Harness is the essential link for installing Haltech’s advanced Nexus VCUs into any custom application. Designed to mate with the Nexus S2 and S3 Vehicle Control Units, this harness provides 2.5 meters of high-quality, color-coded wiring to connect your engine’s sensors, injectors, and coils to the VCU’s powerful processing and power distribution systems.

Professional Grade Construction

This harness features the specific connectors required for the Nexus S2 and S3 units. The wires are constructed from automotive-grade TXL wire, known for its thin-wall insulation and high temperature resistance, making it perfect for creating compact, durable looms in tight engine bays. The unterminated end allows for custom routing and connector selection, enabling a truly bespoke installation tailored to the vehicle’s specific layout.

Operational Benefits

• Simplified PDM Wiring: Wires are sized to handle the high-current outputs of the Nexus PDM functionality.
• Clear Identification: All wires are color-coded and labeled for easy circuit identification.
• Versatile Application: Suitable for street cars, race cars, and engine swaps.

Fitment Guide

Compatible VCUs: Haltech Nexus S2, Haltech Nexus S3
Harness Type: Flying Lead / Unterminated
Length: 2.5 Meters (8 Feet)

Technical Specifications

Summary & What’s Included

The starting point for a custom Nexus VCU installation.

Includes:

• Universal Wire-In Harness (2.5m)
• Note: VCU NOT Included