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Optimize your El Camino LS swap with our expertly designed standalone wiring harnesses for 4L60E and 4L80E transmissions. These harnesses are compatible with Gen 3 and Gen 4 LS engines, including LS1, LS6, LS2, and LS3 configurations. Built for precision and reliability, they feature high-quality connectors, support both drive-by-cable and drive-by-wire setups, and include provisions for EV1 and EV6 injectors.
Whether you're upgrading with a 24X or 58X engine, these harnesses ensure seamless integration, minimal hassle, and maximum performance. Perfect for enthusiasts aiming for a clean, efficient wiring solution in their El Camino builds.
Yes, the harnesses are available for both 24X and 58X configurations.
Yes, while optimized for El Camino, they are compatible with other LS swap applications.
Yes, we offer harnesses for both drive-by-wire and drive-by-cable throttle body setups.
The harnesses are available for EV1 and EV6 fuel injector connectors.
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