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Simplify your LS swap with our LS 58X standalone wiring harnesses, designed for seamless integration with 6.0L, 6.2L, and 7.0L engines. Whether you’re working with a T56, TR6060, 4L60E, 4L80E, or 6L80E transmission, these harnesses ensure efficient engine and transmission management.
Built for compatibility and reliability, they come pre-wired with labeled connectors, making installation straightforward and hassle-free. Perfect for Corvette builds and other LS projects, our wiring solutions help you unlock the full potential of your engine while maintaining dependability and performance.
These harnesses are designed for LS2, LS3, L76, L99, and LS7 engines with 58X crank sensors.
Yes, they are compatible with T56, TR6060, 4L60E, 4L80E, and 6L80E transmissions.
These harnesses are primarily designed for drive-by-wire configurations.
Yes, each harness comes pre-wired with labeled connectors for a straightforward installation.
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
Post sale tech support:
techsupport@psiconversion.com