3 Wire Ls Wiring Harness

The primary wires are 16 gauge with 12 gauge for heavy draw items such as the headlights.

3 wire ls wiring harness.

He rarely does actual ls1 swaps because you can go to a junkyard and the next biggest expense in the swap is the wiring harness. Ls wiring harnesses swap kits. When you are doing a build with the ls family of gm engines the idea is to end up with a. Psi sells standalone wiring harnesses for gm gen ii iii iv v ls lt based engines and transmissions.

Ls1 vortec gen iii 24x wiring harnesses lsx coil pack harness hp tuners ls pcm startup tune flash service tach speedo signal converters ls2 ls3 gen iv dbc wiring harnesses lsx injector adapters sikky lsx swap mount kits ls2 gen iv 24x dbw wiring harnesses. We use the highest quality wire brand new oem connectors weatherproof fuse and relay box. Ls engine swap wiring diagram basic engine wiring diagram chevy chevy ls1 swap wiring diagram swap wiring harness ls1 coil wiring. 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.

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. The larger wires that feed heavy draw circuits are typically 14 to 12 gauge. 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. Speartech also provides ecm programming including e38 e67 e40 e92 ls lt engine wiring harness reworks and conversion adapters and programming.

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. It seems for many people that the scariest part of the modern engine swap is the wiring harness. The ls engines will work with any older gm transmission with a few things to consider. The wire in painless performance kits runs a little larger than the standard.

Looking for an affordable in stock plug and play wiring harness for your ls swap. 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.