Standard Length Nexus R5 Integration Kit
The NEXUS R5 + Universal Wire-in Harness Kit (2.5m / 8′) is the standard solution for installing the powerful Nexus R5 VCU into most front-engine vehicles. With an 8-foot flying lead harness, it provides ample length to reach from a cabin-mounted VCU to the engine bay firewall, allowing for a clean, custom termination to your sensors and actuators. This kit combines the industry-leading Nexus R5 VCU with the necessary wiring infrastructure to build a modern, relay-free electrical system.
Engineering Deep-Dive: Simplified PDM Architecture
The Nexus R5 revolutionizes vehicle wiring by integrating a Power Distribution Module (PDM) directly into the ECU. This allows the VCU to control high-current devices like cooling fans, fuel pumps, and trans-brakes directly through the harness, without external relays. The R5 monitors current draw on these circuits, allowing for programmable fuse limits and retry strategies in the event of a fault. This kit includes the specific High Current Output (HCO) wiring required to support these functions safely.
Operational Benefits: Complete Control
Beyond PDM functions, the R5 is a top-tier engine management system. It supports dual onboard wideband controllers (NTK/LSU4.9), eliminating the need for external controller boxes. It features built-in Wi-Fi for wireless tuning and data logging display. The 2.5m harness is color-coded and labeled, streamlining the installation process for professional builders and DIYers alike.
Fitment and Application Scope
Suits:
- Vehicle Type: Universal (Street, Circuit, Drift, Rally).
- VCU: Haltech Nexus R5.
- Engine Support: 1-12 Cylinders, 2-4 Rotors.
Technical Specifications
| Parameter | Specification |
|---|---|
| VCU Unit | Nexus R5 |
| Harness Length | 2.5 Meters (8 Feet) |
| Connectors | AMP 26, 34 Pin; DTP-4; SurLok Power |
| High Current Outputs | 4 x 25A Continuous (PWM Capable) |
| Wideband | Dual Onboard Controller |
Summary & Includes
The HT-195200 is the benchmark for modern vehicle control systems.
Includes:
- 1 x Nexus R5 VCU
- 1 x Universal Engine Wiring Harness (2.5m)
- 1 x SurLok Connector Set (Red/Black)
- 1 x Wi-Fi Antenna
- 1 x USB-C Cable
- 1 x Firewall Grommet (2.5in)
- 1 x Mounting Hardware Kit
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