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Buick LS Standalone Wiring Harness

High-Quality Standalone Harnesses for Buick LS Engine Swaps

Our Buick LS standalone wiring harnesses offer a plug-and-play solution for integrating LS engines with 4L60E or 4L80E transmissions in your classic Buick. These harnesses are tailored for various engine models, including the LS7, LS3, LS2, and L99, ensuring seamless compatibility with your swap project. Designed for 2006-2015 LS engine configurations, each harness features premium-quality wiring, factory-style connectors, and provisions for all necessary engine sensors.

Ideal for high-performance and restoration builds, our harnesses help eliminate wiring headaches, offering a reliable connection between your engine and transmission.

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    06 - '14 LS7 (7.0l) W/ 4l60e Or 4l80e Standalone Harness

    SKU: HAR-1036
    HAR-1036
    $659.00
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    08 - '15 LS3 (6.2l) W/ 4l60e Or 4l80e Standalone Harness

    SKU: HAR-1038
    HAR-1038
    $659.00
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    08 - '09 L76 (6.0L) w/ 4L60E or 4l80E Standalone Harness

    SKU: HAR-1046
    HAR-1046
    $659.00
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    06 - '09 LS2 (6.0l) 58x W/ 4l60e Or 4l80e Standalone Harness

    SKU: HAR-1064
    HAR-1064
    $659.00
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    07-'09 LS2 (6.0l) 58x W/ 4l60e Or 4l80e Standalone Harness

    SKU: HAR-1066
    HAR-1066
    $659.00
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    10 - '14 L99 (6.2L) w/ 4L60E or 4l80E Standalone Harness

    SKU: HAR-1068
    HAR-1068
    $659.00

Frequently Asked Questions

What is a standalone wiring harness, and why do I need it for an LS swap?

A standalone harness simplifies the wiring process by connecting directly to your LS engine and transmission. It allows you to integrate modern engine management without needing to rewire your entire vehicle.

Will these harnesses work with both 4L60E and 4L80E transmissions?

Yes, each harness is compatible with both 4L60E and 4L80E transmissions, making it a versatile option for your LS swap.

Are these harnesses compatible with my stock gauges and electronics?

Our harnesses are designed to integrate with most factory-style and aftermarket gauges, ensuring you can monitor your engine’s performance accurately.

Can these standalone harnesses support high-performance modifications?

Absolutely. These harnesses are designed to work with both stock and high-performance builds, including boosted applications, ensuring reliable electrical connections.

Do the standalone wiring harnesses include provisions for drive-by-wire throttle control?

Yes, our harnesses have provisions for drive-by-wire (DBW) throttle control, making them compatible with modern LS engines.

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