Haltech Nexus plug-in ECU Expansion harness 2.5m (universal)
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Haltech Nexus plug-in ECU Expansion harness 2.5m.
This 2.5-meter Haltech expansion harness is engineered to expand the input capabilities of Haltech Nexus Plug-in ECUs. Connecting directly into the ECU's auxiliary port, it adds dedicated pre-wired connections for a wideband O2 sensor, air temperature sensor, flex fuel sensor, fuel pressure sensor, and oil pressure sensor. Featuring a generous 2.5-meter length, this loom allows for clean, flexible routing across the engine bay, enabling the seamless addition of essential monitoring sensors without splicing into factory wiring.
Specifications:
- Harness Length: 2.5 Meters (2.5m)
- Connection Interface: ECU auxiliary expansion plug
- Supported Sensor Connections: Wideband O2, Air Temperature, Flex Fuel, Fuel Pressure, and Oil Pressure
- Vehicle & ECU Fitment: Specifically designed for Haltech Nexus Plug-in ECUs
Notes: Expands auxiliary sensor inputs directly through the Nexus Plug-in ECU expansion port.





