Holley | Holley EFI PWM Alternator Harness

Name: Holley | Holley EFI PWM Alternator Harness
Brand: Holley
SKU: 558-475
Price: 168.62 CAD
Availability: InStock

Part #: 558-475

Holley 558-475 – Holley EFI PWM alternator harness for 2007+ GM engines. Plug and play with Holley EFI and Terminator X main harnesses. Includes detailed software configuration instructions.

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Holley – Holley EFI PWM Alternator Harness – 2007+ GM Engines

Description

The Holley 558-475 EFI PWM Alternator Harness is a plug-and-play solution designed for late-model engines equipped with Pulse Width Modulated (PWM) alternators. Compatible with most 2007 and later GM engines. It connects directly to Holley EFI and Terminator X main harnesses without modification. Comes with detailed software configuration instructions to simplify the setup process. Enables full alternator management integration within the Holley EFI engine management system.

Specifications

Brand: Holley
Part Number: 558-475
Type: EFI PWM alternator harness
Compatibility: 2007 and later GM engines (See Application Section)
Connection: Plug and play with Holley EFI and Terminator X main harnesses
Technology: Pulse Width Modulation (PWM)
Detailed software configuration instructions included
Designed for late-model OEM alternators
Condition: New
Sold and shipped by GBP Performance

Note:

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Compatibility (Application)

Not application specific. Compatible with most 2007 and later GM engines with PWM alternators.

Brand: Holley

Reference: 558-475

UPC: 90127142301

Data sheet

In Stock: In Stock

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