This Terminator X main harness is built for the Ford 7.3L Godzilla engine, offering plug-and-play installation with labeled connectors and protective wire sleeving. It's designed for stock coil setups and works alongside the Terminator X's fuel, ignition, and data-logging control.
Specifications:
- Engine/Platform: Ford 7.3L Godzilla
- Coil Configuration: Stock coils, includes VVT and oil pump connectors
- Harness Type: Main
- Harness Application: Ford
- Warning: California Proposition 65
- Part Number: 558-140
Requires Holley crank sensor module 558-474 for proper operation with stock coils.
FAQ
What engine is the 558-140 harness for?
The Ford 7.3L Godzilla engine, for use with a Terminator X ECU.
Does this harness work with stock or aftermarket coils?
It's built for stock coils; a separate harness (558-141) covers IGN1A smart coils.
What else do I need for proper operation?
Holley's crank sensor module, part number 558-474.
Does this harness include VVT connectors?
Yes, it includes VVT and oil pump connectors.

