Haltech Elite 550 & 750 Premium Universal Wire-in Harness Length: 2.5m (8')
Includes: Firewall grommet, moulded 6 power circuit Haltech fuse box and lid. 2 relays, 4 fuses and pins for the 4 spare power circuits.

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- Colour coded and labelled wires that match the detailed wiring diagram for a confusion free construction process.
- The wiring diagram is accompanied by the full ECU manual and Software located on the CD or USB key provided with the ECU to refer to while completing your installation and configuration.
| Product Name | Haltech Elite 550 & 750 Premium Universal Wire-in Harness Length: 2.5m (8') |
|---|---|
| Brands | Haltech |
Delivery & Freight
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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 is the length of the Haltech Elite 550 & 750 Premium Universal Wire-in Harness?
The harness is 2.5 metres (8 feet) long, providing ample length for various installation scenarios in dedicated race cars, engine swaps, or custom wiring jobs.
What components are included with the harness?
The harness includes a firewall grommet, a moulded 6 power circuit Haltech fuse box with lid, 2 relays, 4 fuses, and pins for 4 spare power circuits.
How do I connect the harness to my Haltech ECU?
Connect the terminated end of the harness to your Haltech ECU, and use the colour-coded and labelled wires at the unterminated end according to the provided wiring diagram for your engine connections.
Is there documentation available for the installation process?
Yes, the harness comes with a detailed wiring diagram and the full ECU manual and software on a CD or USB key, which will assist you during installation and configuration.
Can I use this harness for different engine types?
Yes, the Haltech Universal Wire-in Harness is designed for flexibility and can be used for various engine types, making it suitable for custom applications and engine swaps.