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Haltech Nexus R5 ECU + Universal V8 Terminated Harness (HT-195400)

Regular price $5,138.00


Haltech Nexus R5 ECU + Universal V8 Terminated Harness (HT-195400) | HT-195400

SKU: HT-195400
PRODUCT NAME: Haltech Nexus R5 ECU + Universal V8 Terminated Harness
INCLUDES:   1 x HT-195000 - Nexus R5 ECU and 1 x HT-186200 -  Universal V8 Terminated Harness

Notes: Does not include , Ignition , injection and alternator adaptor harnesses sold separately

Terminated Engine Harness connects directly to the Nexus R5 VCU and supports most popular big block and small block V8 engines from GM, Ford and Chrysler. Harness requires Injection, Ignition and alternator Sub Harnesses - Sold seperately.
  • Injector breakouts
  • HT-186000 V8 Primary Injector EV1
  • HT-186001 V8 Secondary Injector EV1
  • HT-186002 V8 Primary Injector USCAR
  • HT-186003 V8 Secondary Injector USCAR
  • Ignition breakouts
  • HT-186060 Nexus V8 GM/Chrysler IGN1A
  • HT-186061 Nexus V8 Ford IGN1A
  • Alternator breakouts
  • HT-186123 GM LS 2-Pin Bosch Alternator Harness
  • HT-186124 GM LS 4-Pin Delco Alternator Harness
  • HT-186125 GM LS 2-Pin Yazaki Alternator Harness


Nexus R5 is Haltech's flagship product combining the functionality of a power distribution module, a data logger, a dual channel wideband controller and a state-of-the art engine management system in one powerful device we call a VCU (Vehicle Control Unit).
  • 4 x 25A (continuous) push-pull PWM capable (5 kHz) outputs (for power to injectors / coils, transbrake, thermofan, fuel pump)
  • 12 x 8A (continuous) high side outputs (low speed PWM, 200 Hz) outputs (power to sensors, NOS solenoids, etc)
  • 18 x peak/hold injector drivers (can be used as low side drive outputs)
  • 12 x low current ignition outputs (can be used as low side drive outputs)
  • 8 x low side drive outputs, PWM capable (DPOs)
  • 4 x push-pull / h-bridge outputs (8A, PWM capable), eg for electronic throttle
  • 23 x 0-5V analog inputs with redunancy for electronic throttle and switchable 5V pullup
  • Trigger and home inputs with differential inputs, adjustable thresholds and glitch filters
  • 10 x synchronous pulsed inputs, zero crossing or adjustable thresholds - cam sensor inputs, frequency inputs or 0-5V analog inputs
  • 2 x onboard wideband controllers, supporting NTK and LSU4.9
  • 3 x CAN ports with switchable termination


  • Haltech Nexus R5 VCU connectors
  • Terminated engine bay and in-cabin connections
  • Connection to Haltech CAN devices (eg dash displays, keypads, etc.)
  • Connection to sensors (eg crank, cam, MAP, temperature, pressure, position, speed, flex fuel)
  • Dual Wideband Lambda sensor allocation
  • Breakout connection to 8 ignition coils
  • Breakout connection to 8 primary injectors,
  • 8 secondary injectors and 2 tertiary injectors
  • Breakout connection for alternator control
  • Starter solenoid control
  • Dual boost control solenoid allocation
  • Breakout connection for thermofan and fuel pump control
  • Breakout connection for transmission control
  • Spare inputs and outputs
  • Spare high current 8 Amp PDM outputs
  • Spare HBO (Half Bridge Output)


  • Controlled via NSP (Nexus Software Programmer)
  • Long Term Learning
  • Stepper Motor Control
  • 4D Closed Loop Boost Control
  • Closed Loop CO2 Control
  • Rotational Idle
  • Launch Control
  • Traction Control
  • Anti-Lag
  • Dual Knock Control
  • Trans Brake Control
  • Race Timer
  • Multi Stage Fuel Injection
  • Multi-level Engine Protection
  • 6 Stage Nitrous Control
  • 4-sensor variable cam control
  • Intake Air Bleed Control
  • Flat Shift Control
  • Shock Travel & Ride Height Control
  • Advanced Torque Management
  • On-board Wi-Fi


  • Ford AODE/4R70W
  • GM 4L60E
  • GM 4L80E
  • Toyota A340E
  • Lenco
  • Liberty
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