Download Haltechs Quickstart Guide Here Download Haltechs Wiring Diagram Here Maximize your vehicle’s performance with the Haltech Nexus R3 + Universal Wire-in Harness Kit HT-193200. Designed for engines up to 8 cylinders or 4 rotors, this kit is perfect for racing applications needing advanced data logging, power control, and race features. The integrated Nexus R3 VCU combines a power distribution module, data logger, wideband controller, and state-of-the-art engine management system into one powerful unit. Harness Overview: Universal Wire-in Harness: Ideal for race cars, engine swaps, and custom wiring jobs. Comes with VCU connectors on one end and unterminated wires on the other. Colour-coded and labeled wires for a confusion-free installation. Connect the VCU, follow your wiring diagram, load the base map—and you’re ready to go! VCU Overview: Powerful Outputs: 4 × 25A push-pull PWM outputs for injectors, coils, transbrake, thermofan, fuel pump. 8 × peak/hold injector drivers (also usable as low side drive). 8 × low-current ignition outputs (also usable as low side drive). 6 × PWM-capable low-side drive outputs. 6 × push-pull / H-bridge outputs (8 A PWM capable) for electronic throttle. Advanced Inputs: 11 × 0–5 V analog inputs with redundancy and 5 V pull-up. Trigger and home inputs with differential inputs, adjustable thresholds, and glitch filters. 6 × synchronous pulsed inputs—for cam sensors, frequency inputs, or analog. Integrated Controllers: On-board wideband controller (NTK & LSU4.9 support). On-board 4 bar MAP sensor. Connectivity: 2 × CAN ports with switchable termination. Built-in Wi-Fi and 128 MB of datalogging. VCU Features: Compatible with the NSP (Nexus Software Programmer). Advanced functions: 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. Automatic Transmission Control: Supports Ford AODE/4R70W, GM 4L60E/4L80E, Toyota A340E, Lenco, and Liberty automatic transmissions. Includes: Nexus R3 VCU SurLok connectors (red & black) Wi-Fi antenna Mounting bolts USB-C cable & dust cap USB drive with NSP software Nexus R3 Universal Wire-in engine harness
