This main power harness with auxiliary connector is required for Coyote Twin Independent Variable Cam Timing control installations, working with Holley's Plug and Play Coyote Ti-VCT Control Module to unlock the full potential of a high-revving Coyote power plant.
Specifications:
- Product Type: ECU Assembly Main Power Harness
- Compatibility: Plug and play with Dominator or HP ECU
- Application: Coyote Ti-VCT Controller
- Construction: Wires in protective sleeve, labeled connectors
- Part Number: 558-319
Required when using Holley part number 554-145.
FAQ
What is the 558-319 harness used for?
It's the main power harness for Coyote Ti-VCT applications, providing power to the Coyote Ti-VCT Controller.
Is this harness required with any other Holley part?
Yes, it's required when using Holley part number 554-145.
Which ECUs is it compatible with?
It's plug-and-play compatible with Dominator or HP ECUs.

