Haltech Nexus Plug-in ECU Expansion Harness IO / DBW

Haltech Nexus Plug-in ECU Expansion Harness

$167.57

Haltech Nexus Plug-in ECU Expansion Harness

Select the expansion harness to add auxiliary sensor and control connections to a Nexus Plug-in ECU.

IO Expansion — HT-189002: adds connections for wideband O2, air temperature, flex fuel, fuel pressure and oil pressure.
DBW Expansion — HT-189003: adds the same core sensor connections plus accelerator-pedal and drive-by-wire throttle connections.

Confirm the required auxiliary functions and ECU application before ordering.

Selectable options

Expansion Type: IO Expansion Harness 2.5m — HT-189002
Expansion Type: DBW Expansion Harness 2.5m — HT-189003

Current Selectable Options

Expansion Type: IO Expansion Harness 2.5m, DBW Expansion Harness 2.5m

Choose only combinations shown as available in the selectors; unavailable combinations cannot be added to cart.

Ordering & Fitment

This listing is for Haltech Nexus Plug-in ECU Expansion Harness. Confirm the vehicle, engine, dimensions and supporting components against your application before ordering where fitment is application-specific. If you require a configuration that is not shown, contact Built by Boost & Tune before purchase.

Built by Boost & Tune Support

Built by Boost & Tune can assist with installation, wiring integration, sensor setup and calibration where required.

Application Checks

Confirm ECU or vehicle compatibility, connector/harness requirements, sensor range, power and ground requirements, DBW or other control needs and the calibration strategy before ordering. Wiring and sensor setup should be completed against the relevant pinout and configured in the ECU before final testing.