Haltech Nexus R5 VCU + V8 terminated harness (universal)
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Haltech Nexus R5 VCU + universal V8 terminated harness.
The Haltech Nexus R5 VCU (Vehicle Control Unit) with a universal V8 terminated engine harness is the ultimate vehicle control and wiring solution for high-performance V8 applications. This package combines Haltech's flagship VCU, which integrates a state-of-the-art engine management system, a power distribution module (PDM), a dual-channel wideband controller, and a high-capacity data logger, with a premium terminated harness. This harness connects directly to the Nexus R5 and is engineered to support the most popular big block and small block V8 engines from GM, Ford, and Chrysler, making it ideal for professional race cars, engine swaps, and custom wiring builds.
Please note that this terminated engine harness requires separate injection, ignition, and alternator sub-harnesses, which are sold separately.
Harness Features:
- Terminated engine bay and in-cabin connections designed specifically for the Haltech Nexus R5 VCU
- Direct connection to Haltech CAN devices such as dash displays and keypads
- Seamless connection to a wide range of sensors including crank, cam, MAP, temperature, pressure, position, speed, and flex fuel
- Dual wideband lambda sensor allocation for precise air-fuel ratio monitoring
- Breakout connections for 8 ignition coils, 8 primary injectors, 8 secondary injectors, and 2 tertiary injectors
- Dedicated breakouts for alternator control, starter solenoid, and dual boost control solenoids
- Breakout connections for thermofan, fuel pump, and transmission control
- Includes spare inputs and outputs, spare high-current 8 Amp PDM outputs, and a spare half-bridge output (HBO)
VCU Features and Software Functions:
- Flagship Integration: Combines an advanced ECU, PDM, dual wideband controllers, and massive data logging in a single device
- Integrated PDM: Features four 25A high-current outputs and twelve 8A high-side outputs to power injectors, coils, transbrakes, fans, and accessories directly
- Complete Tuning Control: Managed via Nexus Software Programmer (NSP) with up to 4D long-term learning and 32x32x8 4D tuning tables
- Advanced Race Functions: Features traction control, launch control, trans brake control, race timer, anti-lag, and rotational idle
- Dual Drive-By-Wire: Full support for dual electronic throttle bodies with built-in redundancies
- Automatic Transmission Control: Compatible with Ford (AODE/4R70W), GM (4L60E/4L80E), Toyota (A340E), Lenco, and Liberty transmissions
- High-Speed Logging: Onboard logging of up to 300 channels at sample rates up to 1ms (1kHz) with a massive 512MB internal memory
- Modern Connectivity: Onboard Wi-Fi and USB-C port for low power up via cable, compatible with the Haltech Connect App
- Multi-Level Engine Protection: Features an integrated, highly advanced engine protection system
- Suspension and Traction: Supports shock travel and ride height monitoring, alongside advanced torque management targeting driveshaft and engine RPM
- Nitrous Control: Up to 6 stages of nitrous control
- Variable Cam Control: Up to 4-sensor variable cam control
- Flex Fuel: Seamless flex fuel compatibility
- Intake Air Bleed Control: Integrated air bleed control
- Knock Control: Dual knock control support
- Flat Shift Support: Advanced flat shift control
Technical Specifications:
- Injection Drivers: 18 (peak and hold, can be used as low-side outputs)
- Ignition Outputs: 12 x low-current (can be used as low-side outputs)
- Ignition Switch Input: 1
- Engine Control Relay Output: 0
- Total Digital Pulsed Outputs (DPO): 8
- Half Bridge Outputs (HBO): 4 x 8A (PWM capable, e.g., for electronic throttle)
- On-Board PDM: Yes
- 25A High Current Outputs (HCO): 4
- High-Side Outputs: 12 x 8A continuous (low speed PWM, 200 Hz)
- CAN Bus Networks: 3 with switchable termination
- MAP Sensor: External
- Inertia / G-Sensor: Yes
- USB 2.0: USB-C
- Low Power Up via Cable: Yes
- Wi-Fi: Yes
- Compatible with Haltech Connect App: Yes
- Anti-Lag/Rotational Idle: Yes
- Boost Control: 4D Closed Loop
- Closed Loop O2 Control: Dual (supporting NTK/LSU 4.9 sensors)
- CO2 Control: Yes
- Drive-By-Wire Throttle: Dual
- Engine Protection: Multi-Level
- Flat Shift Support: Advanced
- Flex Fuel: Yes
- Intake Air Bleed Control: Yes
- Knock Control: Dual
- Launch Control: Yes
- Long Term Learning: Up to 4D
- Nitrous Control Stages: Up to 6
- Race Timer: Yes
- Rolling Anti-Lag: Yes
- Shock Travel & Ride Height: Yes
- Torque Management: Yes (Driveshaft and Engine RPM Targeting)
- Traction Control: Yes
- Trans Brake: Yes
- Tuning Table Resolution: 32x32x8 4D
- Variable Cam Control: Up to 4
- Onboard Storage: 512MB
Kit Includes:
- (1) Nexus R5 ECU
- (1) Universal V8 Terminated Harness
