Terminator EFI Input/Output Kit

Part # 558-420 Be the first to write a review

This kit contains 4 extra input wires and 1 extra output wire that the base Terminator EFI harness does not contain.

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$52.69

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Emissions

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

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PN 558-420 contains 5 extra input/output wires that the base Terminator EFI harness does not contain. It contains Input wires for Inputs 1-4. It contains one wire for Output 2. These inputs and outputs can perform features and functions that must be programmed via Holley EFI laptop software. The software also contains instructions on how to program these.

About Holley EFI

Find standalone EFI for LS, Coyote, Hemi and more at Holley.com. From engine swapping to managing up to 4000 horsepower, we have a solution for every project!

Brand	Holley EFI
Category	Engine
Emission Code	5
Grade Type	Performance
Harness Type	Auxiliary
Part Type	Engine Control Module (ECM) Wiring Harness
Product Type	Terminator Input / Output
Sub Category	Wire, Cable and Related Components
UPC	090127688519
Part Number	558-420

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Instructions - 199r10704.pdf

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*Free Shipping and Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

Some parts are not legal for use in California or other states with similar regulations.

Terminator EFI Input/Output Kit

Terminator EFI Input/Output Kit

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