Haltech Nexus R3 Terminated Engine Harness - Ford Barra BA BF FG Falcon and SY Territory (HT-186405)

Haltech Nexus R3 Terminated Engine Harness for Ford Barra

Take the guesswork out of wiring your Barra with this fully terminated engine harness for the Haltech Nexus R3 VCU. Designed as a direct-fit solution for the Ford Barra inline six, this harness dramatically cuts installation time on BA, BF and FG Falcon platforms as well as the SY Territory, delivering a clean, reliable OEM-quality connection between your engine and the Nexus R3 Vehicle Control Unit.

Whether you are building a street-driven XR6 Turbo, a drag Falcon or a Barra-swapped project, this terminated harness pairs the factory-style fit of a plug and play solution with the full I/O flexibility of the Nexus R3 platform.

Vehicle and Engine Fitment

• BA Series Falcon (2002-2005): Barra 240T (XR6 Turbo)
• BF Series Falcon (2005-2008): Barra 190 (naturally aspirated) and Barra 245T (XR6 Turbo)
• SY Territory (2005-2011): Barra 190 (naturally aspirated)
• FG Series Falcon (2008-2014): Barra 270T (XR6 Turbo)

What's Included

• Main terminated engine harness
• Ford Falcon BA/BF APP (accelerator pedal) adaptor harness
• Ford Falcon FG APP (accelerator pedal) adaptor harness
• Ford Barra BA/BF throttle adaptor harness
• Ford Barra FG throttle adaptor harness
• Nexus 2 pin BA alternator adaptor
• Nexus 3 pin BF/FG alternator adaptor
• Cabin adaptor harness
• Opposing connectors and pins for boost control, TMAP sensor, dual intake runner solenoid, spare inputs and outputs, and transmission breakout

Supported OEM Functionality

This harness retains full factory functionality across the Barra platform, including:

• Crank sensor plus intake and exhaust cam sensors
• Intake and exhaust VCT solenoid control
• BA, BF and FG electronic throttle and pedal (drive-by-wire)
• Dual intake runner system (broadband throttle system)
• BA, BF and FG ignition coils via sub-harness options
• BA, BF and FG 4 pin TMAP sensors
• Factory AC clutch and AC pressure switch
• 2 pin and 3 pin alternator control
• Knock sensors

Supported Aftermarket Functionality

Ready for upgrades as your build grows (additional sensors or parts may be required):

• EV1, EV6 (USCAR) or Sumitomo (Denso) injector connectors
• R35 COP ignition coils (requires ignition bracket and aftermarket coil stalks)
• Bosch LSU 4.9 wideband lambda sensor
• Flex fuel sensor
• MAP sensor (Nexus R3 onboard 4 bar MAP)
• Oil and fuel pressure sensors (Delphi 3 pin)
• Thermofan and fuel pump control
• Haltech boost solenoid
• Haltech CAN devices such as dashes, keypads and the IO16 expander
• Spare inputs and outputs for additional functionality

Important Notes

This harness does not include the ignition harness, ignition module, ignition module harness or injector harness. These items are sold separately to suit your specific ignition and fueling configuration.

Converting your ignition system to R35 GT-R coils? Only the HT-120205 kit is required, no separate ignition module needed.

Why Buy From Tuned By Shawn

Tuned By Shawn is a Platinum Haltech dealer specializing in ECU engine management, plug and play wiring solutions and remote tuning. Need help completing your Nexus R3 Barra package with the right ignition and injector hardware, or want your combo tuned via live remote session? Reach out and we will get your build sorted from harness to dyno.