Nexus Plug-in ECU - GM Delco

The Haltech Nexus Plug-in ECU for GM Delco applications delivers seamless OEM integration with professional-grade engine management control. Designed to replace factory Delco ECUs using the original wiring harness, this plug-and-play solution eliminates the need for custom adapters or harness modifications. Unlock advanced tuning capabilities including precise fuel and ignition mapping, drive-by-wire throttle control, and comprehensive data logging. Purpose-built for tuners working with GM Delco-equipped platforms, the Nexus provides the flexibility and accuracy demanded by serious performance applications while maintaining factory connector compatibility.