Simple, Lightweight Connectivity
The Elite 550 Basic Universal Wire-in Harness is the entry-level wiring option for the Elite 550 ECU. It is designed for installers who do not need the bulk or cost of an integrated fuse box. This “flying lead” harness connects to the ECU and provides 2.5 meters of labeled wire for you to terminate to your engine’s sensors and actuators. It is the ideal choice for retrofitting EFI onto classic cars where a hidden or custom fuse panel is being used.
Engineering Details
This harness maintains Haltech’s high standards for wire quality, using high-temp insulation and shielded signal wires for critical inputs. Because it does not have the relay box, it is extremely flexible and easy to route through small openings. It allows for a completely custom power distribution setup.
Fitment and Application
This is a Universal harness.
- Compatible ECU: Haltech Elite 550.
- Type: Basic (No Fuse Box).
- Length: 2.5 Meters.
Technical Specifications
| Harness Type | Basic Universal |
| Length | 2.5 Meters |
Summary & What’s Included
A cost-effective, high-quality harness for custom Elite 550 installs.
Includes:
- Elite 550 Basic Wire-in Harness (2.5m)
- Note: Does NOT include fuse and relay box.



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