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Gen 3 LS Swap Standalone Wiring Harnesses

High-Quality LS Swap Standalone Wiring Harnesses for LS/VORTEC (1997-2007) (24X) Gen 3 Engines

Upgrade your vehicle's performance with our high-quality Gen 3 LS swap standalone wiring harnesses, specifically designed for LS/Vortec Gen 3 (24X) engines from 1997 to 2007. Our harnesses cater to a variety of configurations, including those with 4L60E/4L80E, T56, TH350, and 700R4 transmissions, as well as LS2 engines with E40 ECM (24X). Made with premium materials such as GM Delphi connectors and TXL high-temperature wire, our harnesses ensure durability, reliability, and a perfect fit for your engine swap projects.

Experience a seamless and efficient conversion process with our top-tier wiring solutions tailored to meet your specific needs.

Next Choose by Transmission Type, or Choose by PCM Type 411 or E40 if you have an LS2 Engine
  • Quick View

    99 - 07 Gen 3 LS/Vortec (24X) Drive by cable 4L60E-75/4L80E Standalone harness

    SKU: HAR-G3CA
    HAR-G3CA
    $549.00
    (15)
  • Quick View

    99 - 07 Gen 3 Vortec (24X) Drive by cable T56/TR6060 manual transmission Standalone harness

    SKU: HAR-G3CM
    HAR-G3CM
    $549.00
    (10)
  • Quick View

    03 - 07 Gen 3 LS/Vortec (24X) Drive by wire 4L60E-75/4L80E Standalone harness

    SKU: HAR-G3WA
    HAR-G3WA
    $579.00
    (24)
  • Quick View

    99 - 07 Gen 3 Vortec (24X) Drive by cable automatic/manual transmission builders standalone harness

    SKU: HAR-BLD-GEN3
    HAR-BLD-GEN3
    $599.00
  • Quick View

    03 - 07 Gen 3 LS (24X) Drive by wire T56/TR6060 manual transmission Standalone harness

    SKU: HAR-G3WM
    HAR-G3WM
    $579.00

Questions About Gen 3 LS Swap Wiring Harnesses

What is a Gen 3 LS swap standalone wiring harness?

A Gen 3 LS swap standalone wiring harness is a wiring system designed to integrate an LS/Vortec GEN III (24X) engine into your vehicle, ensuring all electrical components function correctly and maintaining optimal performance during the engine swap.

What is the difference between a standalone and an integrated LS swap wiring harness?

A standalone LS swap wiring harness is designed to operate independently of the vehicle’s original wiring, providing a simplified and dedicated system for the engine swap. An integrated harness, on the other hand, interfaces with the vehicle’s existing wiring, potentially requiring more complex modifications to ensure compatibility.

What should I consider when selecting an LS swap wiring harness for a Gen 3 Engine?

When selecting a Gen 3 LS swap wiring harness, consider factors such as compatibility with your engine and transmission, the quality of materials used, the reputation of the manufacturer, and whether the harness includes all necessary connectors and instructions for installation.

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