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Streamline your LS swap with our Vortec standalone wiring harnesses, designed specifically for compatibility with 4L60E and 4L80E transmissions. These harnesses cater to a range of Vortec engines, including LY6, L92, LM5, LMG, and LH6, ensuring seamless integration with your vehicle's drivetrain.
Featuring high-quality connectors, durable materials, and precision engineering, our wiring harnesses offer reliable performance for your build. Ideal for street, track, or off-road applications, they simplify the complexities of modern engine swaps while ensuring compatibility with factory or aftermarket components.
They are compatible with LY6, L92, LM5, LMG, and LH6 Vortec engines from 2007 to 2014.
Yes, these harnesses are designed to work seamlessly with both 4L60E and 4L80E transmissions.
No, you will need a compatible ECU that has been tuned for your specific engine and transmission setup.
They are made with high-temperature, automotive-grade wiring and OEM-grade connectors for maximum durability and performance.
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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Contacts
2029 Route 88
Brick, NJ 08724
ph. 732-276-8589 Mon-Fri: 8:00am to 6:00pm ET
customerservice@psiconversion.com
sales@psiconversion.com
Post sale tech support:
techsupport@psiconversion.com