Haltech Nexus Plug-in I/O Expansion Harness - 2.5m / 8ft (HT-189002)
The Professional Way to Add Critical Sensors to Your Nexus ECU.
The Haltech I/O Expansion Harness (HT-189002) is a plug-and-play solution for the Nexus Plug-in ECU range. This 2.5m (8ft) harness eliminates the need for pinning your own auxiliary connectors, providing a high-quality, pre-wired path for modern data acquisition. It is specifically designed for cable-throttle vehicles where adding safety-critical sensors is the primary goal.
- Application: Nexus Plug-in ECUs (Skyline R32/R33/R34, Supra, etc.)
- Pre-Wired Functionality: Supports Flex Fuel, Oil/Fuel Pressure, and Wideband O2 inputs.
- Length: 2.5m (8ft) total length for easy engine bay routing.
- Part Number: HT-189002
Unlock Advanced Engine Protection
By utilizing the HT-189002 expansion harness, you can fully leverage the Engine Protection strategies built into Haltech’s NSP software. This allows you to set up automatic failsafes for low oil pressure or lean fueling conditions ensuring your RB26 remains safe under all conditions.
⚠️ CRITICAL COMPATIBILITY NOTE
This harness is intended for cable-throttle builds only. If you are converting to an electronic Drive-By-Wire (DBW) throttle, you must purchase the HT-189003 harness, as it contains the specific wiring required for the throttle motor.
Commonly Paired With:
• 150 PSI Pressure Sensor (HT-010904) - For Oil and Fuel pressure monitoring.
• Haltech Flex Fuel Sensor (HT-011000) - For true Flex Fuel Ethanol calibration.
