Nexus S3 Plug ‘n’ Play Adapter Harness Kit – Mazda RX7 FD S7 & 8

The Ultimate Rotary Upgrade: Nexus S3 & Harness Kit for Late FD

Experience the pinnacle of engine management with the Nexus S3 Plug ‘n’ Play Adapter Harness Kit for the Series 7 and 8 Mazda RX-7. This package combines the flagship Haltech Nexus S3 VCU with a vehicle-specific adaptor harness, offering uncompromised control for the 13B-REW, including full support for the complex factory sequential twin-turbo system.

Engineering for Maximum Capability

The Nexus S3 VCU provides the extensive I/O count required to manage the FD’s solenoids, MOP, and fans simultaneously. The included adaptor harness ensures seamless integration with the factory 4-row header. The system supports advanced features like drive-by-wire (with retrofit), flex-fuel, and comprehensive engine protection. The S3’s onboard oscilloscope and high-speed logging are invaluable for rotary tuning.

Operational Benefits

This kit allows for complete modernization of the FD’s electronics. Whether keeping the sequential turbos or going single, the Nexus S3 handles it with precision. The plug ‘n’ play installation minimizes downtime and ensures a reliable connection. It is the definitive choice for high-power street and track RX-7s.

Fitment Guide

• Mazda RX-7: FD3S Series 7 (1996-1998) & Series 8 (1999-2002)
• Transmission: Manual Only

Technical Specifications

Summary & Includes

Includes:

• 1 x Haltech Nexus S3 VCU
• 1 x Injection Molded Plug ‘n’ Play Adaptor Harness
• 1 x M14 x 1.5 Air Temp Sensor with matching plug and pins
• 1 x Auxiliary I/O 16 Pin Tyco plug and pins

Note: Manual transmission only. Supports factory twin turbo control.