Haltech Elite 550 + Basic Universal Wire-in Harness Kit Length: 2.5m (8')
Outputs: Up to 4 injector and 4 ignition.
Suits: Universal 1-8 cylinder or 2 rotor applications.
Includes: Elite 550 ECU, basic universal wire-in harness, waterproof USB cap, USB programming cable.
Notes: Haltech's entry level, single connector ECU Kit. Ideal for basic 4 cylinder or 2 rotor engine applications and basic EFI conversions. Does not include fuse and relay box.

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The Elite 550 ECU is now paired with the advanced Nexus Software Programmer (NSP), which delivers exceptional functionality and user-friendliness, taking engine control to the next level. Together, the Elite 550 and NSP provide cutting-edge technology for tuners and performance enthusiasts worldwide.
- Supports 1 to 8 Cylinder engines
- 1 to 2 Rotor engines
- Compatible with both normally aspirated and forced induction engines
- Load sensing through Throttle Position (TPS), Manifold Absolute Pressure (MAP), or Mass Air Flow (MAF)
- Injection patterns: Sequential, semi-sequential, batch, or multipoint
- Ignition modes: Direct fire multi-coil, Distributor ignition, or Haltech CDI systems
- Connects to a wide range of dashes, displays, and expansion devices via CAN
- Waterproof case (IP67) with USB cover
- 34-pin AMP connector
- 4 x Fuel Injection Outputs (peak and hold: 0-8A peak / 0-2A hold)
- 4 x Ignition Outputs
- 2 x Dedicated Engine Position Inputs with extensive trigger type support
- 1 x Digital Pulsed Input
- 5 x Digital Pulsed Outputs
- 1 x Analogue Voltage Input
- 3 x Dedicated Inputs (Throttle Position, Coolant Temperature & Air Temperature)
- Internal 4 Bar MAP sensor measuring boost up to 300kPa/3Bar/45psi
- Up to 33 channels of Input/Output (I/O) expansion via CAN
- USB Laptop Communication (Windows)
- Now using the new NSP Calibration Software
The accompanying wiring diagram, along with the full ECU manual and software, is included on the CD or USB key provided with the ECU. This allows for easy reference during installation and configuration, helping you get your system up and running quickly.
| Product Name | Haltech Elite 550 + Basic Universal Wire-in Harness Kit Length: 2.5m (8') |
|---|---|
| Brands | Haltech |
Delivery & Freight
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If you are unsure, get in touch by emailing [email protected], messaging us on Facebook, or phoning us at +61 7 5645 1333 (8am to 2pm AET).
Why use a Haltech ECU?
It provides full control of fuel, ignition, boost and safety strategies that a factory ECU cannot manage on a heavily modified engine.
What types of engines is the Haltech Elite 550 suitable for?
The Haltech Elite 550 is designed for a wide range of applications, supporting 1 to 8 cylinder engines as well as 1-2 rotor configurations. It is compatible with both naturally aspirated and forced induction setups.
What features does the Universal Wire-in Harness offer?
The Universal Wire-in Harness is designed for easy installation in dedicated race cars, engine swaps, and custom wiring projects. It includes clearly labeled and colour-coded wires, with one end featuring ECU connectors and the other end having unterminated wires ready for connection to engine components.
What is included with the Haltech Elite 550 ECU kit?
The kit includes the Elite 550 ECU, a basic universal wire-in harness, a waterproof USB cap, and a USB programming cable. It also comes with a wiring diagram and the full ECU manual on a CD or USB key for easy reference during installation.
Are there any specific installation requirements for the Elite 550 ECU?
While the Elite 550 ECU is designed for straightforward installation, it is important to follow the provided wiring diagram closely to ensure correct connections. Note that this kit does not include a fuse and relay box, so you will need to source those separately if required.
Can the Elite 550 ECU handle advanced tuning features?
Yes, the Elite 550 ECU offers advanced tuning capabilities, including control over fuel management, ignition timing, and boost levels. It supports various injection patterns and ignition modes, making it suitable for performance enthusiasts looking to optimise their engine's performance.