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Upgrade your vehicle’s performance with our premium LS swap standalone wiring harnesses, designed for a variety of engine generations including GEN 2, 3, 4, and 5. At PSI Conversion, we specialize in providing top-quality wiring harnesses that ensure a perfect fit and optimal functionality for your LS swap projects. Our products cater to a wide range of configurations, from LS/Vortec (1997-2007) (24X) Gen 3 to LT1/LT4/L86/L83 (2014+) Gen 5 engines.
Made with high-grade materials such as GM Delphi connectors and TXL high-temperature wire, our harnesses are built for durability and reliability, ensuring a seamless and efficient conversion process for your vehicle.
Questions About LS Swap Standalone Wiring Harness
An LS swap wiring harness is a specialized wiring system designed to integrate an LS engine into your vehicle, ensuring all electrical components of the drivetrain function correctly and maintain optimal performance during the engine swap.
The 24X and 58X refer to the different reluctor wheel tooth counts used by various LS engines. A 24X harness is designed for Gen 3 (1997-2007) LS engines, while a 58X harness is used for Gen 4 (2007-2014+) LS engines. Using the correct harness for your engine type ensures proper sensor compatibility and engine management.
Yes, many LS swap wiring harnesses are available in configurations for both automatic and manual transmissions. It is important to select the correct harness type based on your transmission choice to ensure all necessary connectors and wiring are included.
Click on the Video to learn how to Identify Your Engine!
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Click Here to use the LS Vin Decoder to Identify Your Engine
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If You Aren't Sure of what Engine you have, CLICK HERE, for a Component ID Guide
Use the Information below to help identify your Engine Generation
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About
Looking for an Affordable, In Stock, Plug and Play wiring harness for your LS Swap? PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. These harnesses include the Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines as well as Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC3 Engines. All PSI Harnesses are Made in the USA. In addition to wiring harnesses, PSI carries Holley Products, Vintage Air A/C, Dakota Digital Gauges, HPTuners and PCM programming, Fuel Pump Kits, Engine Sensors, Extension Harnesses, Replacement GM connector pigtails and a complete line of hardware to complete your conversion needs!
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2029 Route 88
Brick, NJ 08724
ph. 732-276-8589 Mon-Fri: 8:00am to 6:00pm ET
customerservice@psiconversion.com
sales@psiconversion.com
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