This crank signal conditioning module lets HP, Dominator, and Terminator X ECUs read the crank signal on a Ford 7.3L Godzilla engine, and is required alongside the matching main harness for proper operation.
Specifications:
- Engine/Platform: Ford 7.3L Godzilla
- Harness Application: Ford
- Harness Type: Ignition
- Compatible ECUs: HP, Dominator, Terminator X
- Software Requirement: Holley EFI V6 Build 300, or Terminator X V3 Build 100, or later
- Sub Category: Wire, Cable and Related Components
- Warning: California Proposition 65
- Part Number: 558-474
FAQ
What is the 558-474 module for?
It conditions the crank signal on a Ford 7.3L Godzilla engine so it can be read by HP, Dominator, or Terminator X ECUs.
What software version is required?
Holley EFI V6 Build 300, or Terminator X V3 Build 100, or later.
Do I need this with the Godzilla main harness?
Yes, Holley's Godzilla main harnesses (558-140/558-141) require this crank sensor module for proper operation.

