LS Wiring Harnesses & Swap Kits | Wiring Specialties

LS wiring harnesses and swap kits for all Gen III and IV engines. Startup guaranteed. Made in the USA.

LS SWAPS: Wiring Harness and Wiring Guide

The DLC or OBDII port is a must-have for any LS swap, and it is often overlooked when retrofitting a stock harness. Make sure you grab the wiring harness from the donor car. If you don’t, you have to head back to the salvage yard or take your chances on eBay. (Photo Courtesy Street & Performance)

LS Wiring

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.

Wire It Up: LS Swap Harness Options On A Budget

Wire It Up: LS Swap Harness Options On A Budget By Jake Longolucco January 04, 2019 So you found that perfect gem of a low mileage 5.3-liter LS out of a rotted-out SUV to donate to your latest creation.

Stand

Product Details Simplify your 4.8, 5.3, 5.7 or 6.0L swap with a new Stand Alone LS Swap Wiring Harness from BP Automotive. Eliminates hours spent sorting through a used wiring harness or tracking down components to build your own harness.

LS Gen3 24x Standalone Harness – Swap Specialties

LS Gen3 24x Standalone Harness $495.00 Swap Specialties 24x Standalone wiring harness for GM Gen3 4.8, 5.3, 5.7, and 6.0L Engines have proven to be the best harness on the market today. We hand build every harness to fit exactly what your project needs and they actually form fit on the engine to make your wiring look and perform perfectly.

Speartech | LS Harness | LT Harness | LSX Swap Harness ...

Speartech is your LS & LT wiring harness swap specialist. We offer LS / LT swap harnesses for all Gen 3, 4 and 5 LS / LT engines including LS1, LS2, LS3, LS6, LS7, LSA, LS9, Gen 5 V8, LT1, LT4 ,LQ4, LQ6, L99, Vortec variants - DOD, VVT, AFM. Speartech also provides ECM programming (including E38, E67, E40, E92), LS / LT engine wiring harness reworks and conversion, adapters, and programming harnesses.

GM LS Engine Swap Wiring You Can Do at Home

It seems for many people that the scariest part of the modern engine swap is the wiring harness. When you are doing a build with the LS family of GM engines, the idea is to end up with a simplified...

LS Swap Standalone Harnesses for 4.8, 5.3, 5.7, 6.0, 6.2 ...

We also specialize in LS and LT swap standalone harnesses. This includes the LT1, LS1, LS2, LS3, LS7, L99, L76, L77, L92, L98, LM7, LM4, LSA, LS9, L83, and the new Gen V LT1. We also carry many other products to help you with your swap, including hard to find air conditioning parts!

LS Swap Guide – LS1 Swap by LSX Innovations

When doing an LS swap, you have three options in integrating the engine wiring harness successfully. You can buy a stand-alone harness, have a new harness custom built or rewire the harness that came with your LS engine. In most cases, people end up having the harness that came with their LS engine rewired.