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Exterior Components› Body Panels and Components
Holley
Wire Harness Kit - EFI Terminator I/O
SKU: H00E 558-420
Moderate — 2–4 hours
Overview
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Part #: 558-420
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.
This kit contains 4 extra input wires and 1 extra output wire that the base Terminator EFI harness does not contain.
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
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Specifications
| Brand | Holley |
| Part Number | H00E 558-420 |
| Weight | 0.6 lb |
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