Builder’s Choice: Elite 550 ECU & Connector Kit
For the ultimate in custom wiring, the Elite 550 ECU + Plug and Pin Set provides the bare essentials. This package includes the Elite 550 ECU and the mating 34-pin AMP Superseal connector kit with terminals. It is designed for professional wiremen who build mil-spec harnesses or utilize concentric twisting techniques and do not require a pre-made pigtail harness.
Engineering for Custom Looms
The kit supplies the high-quality Tyco/AMP connector housing and crimp pins necessary to interface with the ECU. This allows the builder to select their own wire specification (e.g., Tefzel) and colors, ensuring a harness that meets specific weight, size, or aesthetic requirements. The Elite 550 itself offers a robust platform for basic engine control, featuring 4 fuel and 4 ignition outputs in a compact, waterproof enclosure.
Operational Benefits
This “connector-only” option provides maximum flexibility. It is the lightest and cleanest solution for race applications where every gram of wire counts. The Elite 550 supports sequential injection for 4-cylinder engines and can drive smart coils or igniters. It features internal data logging and CAN connectivity for dash displays.
Fitment Guide
- Engine Support: Universal 1-8 Cylinder, 1-2 Rotor
- Connection: Custom Termination Required
Technical Specifications
| Parameter | Specification |
|---|---|
| Included ECU | Haltech Elite 550 |
| Connector | 34-Pin AMP Superseal Kit |
| Outputs | 4x Injector, 4x Ignition |
| MAP Sensor | Internal 4 Bar |
Summary & Includes
Includes:
- 1 x Haltech Elite 550 ECU
- 1 x 34 Pin Connector Pack (Housing + Pins)
- 1 x USB Programming Cable
Note: Requires crimping tools and wire. Connector assembly required.

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Elite 550 ECU 








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