Rywire Honda K-Series (w/Syvecs S7 ECU) Engine Harness w/Chassis Specific Adapter

This is the Rywire engine harness specifically built for Honda K-Series engines when paired with a Syvecs S7 ECU, and it includes a chassis-specific adapter for early EF chassis vehicles. If you're swapping a K-series engine into an early Civic or CRX, or building a high-performance setup where precise engine control is paramount, this harness is designed to integrate those components seamlessly. It takes the complexity out of wiring, ensuring your engine management system communicates correctly with your K-series motor.

Rywire is known for making well-built wiring solutions for enthusiasts doing engine swaps and custom builds. This harness is constructed with high-strand count wire and uses mil-spec connectors, which are standard in racing and high-end performance applications because they offer excellent durability and resistance to vibration and moisture. The included adapter is tailored for the early EF chassis, meaning it should plug in without extensive modification, simplifying the installation process. This attention to detail helps prevent electrical gremlins down the road, which can be a common headache with custom engine builds.

When undertaking a K-series swap into an early EF chassis with a Syvecs S7 ECU, having a harness like this one is crucial. It's designed to handle the specific sensor inputs and outputs required by the K-series engine and the Syvecs ECU, ensuring all critical functions like fuel injection, ignition, and sensor readings are properly connected. This harness is a significant part of making your engine swap reliable and functional.