The Haltech Plug & Play Adaptor Harness Kit for Nexus S3 ECU simplifies integration by connecting the Nexus S3 ECU directly to your vehicle s factory wiring. It enables seamless access to advanced engine management capabilities by leveraging the Nexus S3 platform s powerful features and functionality.Explore the key features of this adaptor harness:Seamless Compatibility with Factory Wiring: Designed to directly interface with your vehicle's original wiring harness, this kit eliminates the need for custom wiring modifications, ensuring quick and hassle-free installation that maintains OEM integrity.High-Quality Terminated Connectors: Includes precision-engineered connectors compatible with Nexus S3 ECU and factory systems, delivering reliable electrical connections that enhance signal accuracy and system performance.Supports Full Nexus S3 Functionality: Allows access to 8 peak/hold injector drivers, 8 low-current ignition outputs, 11 analogue inputs, and advanced outputs like push-pull