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Holley EFI 558-420 Engine Control Module Wiring Harness

Name: Holley EFI 558-420 Engine Control Module Wiring Harness
Brand: HOLLEY EFI
SKU: 182329364
Price: 48.65 USD
Availability: InStock

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Key item features

Genuine Quality: Manufactured with genuine Holley quality parts, ensuring authenticity and adherence to brand standards.
Durable Construction: Made from quality materials, this wiring harness is designed to be durable and long-lasting.
Corrosion Resistant: The components are corrosion resistant, contributing to the longevity and reliability of the harness.
Simple Installation: Engineered for easy installation, facilitating a straightforward setup process for users.
Expanded I/O: This kit provides 4 extra input wires and 1 extra output wire beyond the base Terminator EFI harness.
Programmable Functions: The additional input and output wires enable various features and functions, programmable via Holley EFI laptop software.
Software Integration: Programming instructions for the expanded I/O capabilities are included within the Holley EFI laptop software.

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Specs

Vehicle model
558-420
Automotive electrical part & accessory type
Wires
Compatibility
Terminator EFI harness
Vehicle fitment type
Specific
Brand
HOLLEY EFI
Automotive parts division
Performance

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Compare with similar items

Comparison Overview:
Product	Viewing this item Holley EFI 558-420 Engine Control Module Wiring Harness current price $48.65 Holley EFI 558-420 Engine Control Module Wiring Harness	Engine Wiring Harness Connector - Compatible with 2019 - 2024 Chevy Silverado 1500 2020 2021 2022 2023 current price $59.95 Engine Wiring Harness Connector - Compatible with 2019 - 2024 Chevy Silverado 1500 2020 2021 2022 2023	Fog Light Wiring Plug Harness Front for Camaro Chevrolet 2010 2011 2012 2013 current price $49.99 Fog Light Wiring Plug Harness Front for Camaro Chevrolet 2010 2011 2012 2013	Gsuatey Fuel Injection Ignition Wire Harness Compatible for GM 4.3L V6 28388774 current price $35.71 Gsuatey Fuel Injection Ignition Wire Harness Compatible for GM 4.3L V6 28388774	17 in. Installation Wiring Harness current price $43.54 17 in. Installation Wiring Harness	1x Connector 16-way for Chassis Wiring Harness PT1401 current price $38.99 1x Connector 16-way for Chassis Wiring Harness PT1401	iSpchen Fuel Injection Ignition Wire Harness for GM 4.3L V6 28388774 current price Now $26.24, Was $33.65 iSpchen Fuel Injection Ignition Wire Harness for GM 4.3L V6 28388774

Comparison Chart:
Vehicle model	558-420Holley EFI 558-420 Engine Control Module Wiring Harness	Silverado 1500Engine Wiring Harness Connector - Compatible with 2019 - 2024 Chevy Silverado 1500 2020 2021 2022 2023	CamaroFog Light Wiring Plug Harness Front for Camaro Chevrolet 2010 2011 2012 2013	GM 4.3L V6Gsuatey Fuel Injection Ignition Wire Harness Compatible for GM 4.3L V6 28388774	DI364174717 in. Installation Wiring Harness	010201010017871x Connector 16-way for Chassis Wiring Harness PT1401	-iSpchen Fuel Injection Ignition Wire Harness for GM 4.3L V6 28388774
Automotive electrical part & accessory type	WiresHolley EFI 558-420 Engine Control Module Wiring Harness	ConnectorsEngine Wiring Harness Connector - Compatible with 2019 - 2024 Chevy Silverado 1500 2020 2021 2022 2023	WiresFog Light Wiring Plug Harness Front for Camaro Chevrolet 2010 2011 2012 2013	WiresGsuatey Fuel Injection Ignition Wire Harness Compatible for GM 4.3L V6 28388774	Wires17 in. Installation Wiring Harness	Connectors1x Connector 16-way for Chassis Wiring Harness PT1401	WiresiSpchen Fuel Injection Ignition Wire Harness for GM 4.3L V6 28388774
Compatibility	Terminator EFI harnessHolley EFI 558-420 Engine Control Module Wiring Harness	-Engine Wiring Harness Connector - Compatible with 2019 - 2024 Chevy Silverado 1500 2020 2021 2022 2023	2010-2013 Chevrolet CamaroFog Light Wiring Plug Harness Front for Camaro Chevrolet 2010 2011 2012 2013	GM 4.3L V6Gsuatey Fuel Injection Ignition Wire Harness Compatible for GM 4.3L V6 28388774	vw17 in. Installation Wiring Harness	Compatible with GM1x Connector 16-way for Chassis Wiring Harness PT1401	GM 4.3L V6iSpchen Fuel Injection Ignition Wire Harness for GM 4.3L V6 28388774
Vehicle fitment type	SpecificHolley EFI 558-420 Engine Control Module Wiring Harness	SpecificEngine Wiring Harness Connector - Compatible with 2019 - 2024 Chevy Silverado 1500 2020 2021 2022 2023	SpecificFog Light Wiring Plug Harness Front for Camaro Chevrolet 2010 2011 2012 2013	SpecificGsuatey Fuel Injection Ignition Wire Harness Compatible for GM 4.3L V6 28388774	Specific17 in. Installation Wiring Harness	Specific1x Connector 16-way for Chassis Wiring Harness PT1401	SpecificiSpchen Fuel Injection Ignition Wire Harness for GM 4.3L V6 28388774

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About this item

Product details

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

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.;

Holley 558-420 EFI Terminator Efi I/O Kit

Genuine Holley Quality Parts
Corrosion resistant
Made from quality materials
Easy installation
Durable and long lasting

info:

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Specifications

Vehicle model

558-420

Automotive electrical part & accessory type

Wires

Compatibility

Terminator EFI harness

Vehicle fitment type

Specific

Warranty

Warranty information

Manufacturers Limited 90 Day Warranty

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