Holley 558-420 EFI Wiring Harness, Input / Output, Holley Terminator EFI, Each

$49.54
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SKU:
HLY558-420
MPN:
558-420
UPC:
90127688519
Condition:
New
Weight:
0.65 LBS
Shipping:
Calculated at Checkout

Applies To Continental U.S. orders only

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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.

Instructions

Instructions - 199r10704.pdf

Attention

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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