Are all LS wiring harnesses the same?

Get the Right Stuff Just remember, not all LS engines are the same, so it’s really important you do your research and purchase the correct wiring harness. Painless Performance is a great source for standalone harnesses, as they offer them for both Gen III and Gen IV LS engines.

How hard is it to do a LS swap?

LS swaps can be relatively easy, depending on the popularity of vehicle used and available budget. However, if you choose a car or truck off the beaten path, you may find yourself spending more time doing research and fabricating parts and pieces to make it work.

Is a 5.3 Vortec an LS?

5.3L V8 Vortec 5300 The Vortec 5300 is a small-block V8 GM engine that was produced from 1999 until 2013. While the 5.3L Vortec is based off of the LS engine platform, it itself is not technically an LS engine. The engine went through two different variations during its lifespan, Gen III and Gen IV.

What are the wires for a LS1 harness?

There are 5 pink wires going to the F body external connectors. cut those wires off to equal length & skin about 1/2″ of insulation. Twist the ends & solder them together, along with an extension wire. #10 wire will do for the extension.

Can you change the harness on a LSX Gen 3 engine?

If you’ve acquired an LT1, LSx Gen 3 or 4, or Gen 5 (LT1, L83, L86) style engine that came with a wiring harness on it, and you feel that the length of the harness to the ECU, and the look of the harness will work fine for your project, then we can simply modify it to be a stand alone engine management harness.

What does a standalone LS harness do?

Standalone harnesses provide a complete wiring solution for operating engine and transmission (as necessary) without all of the extra unnecessary sensors and wiring that are a part of factory systems.

Can you use a stock PCM and LS harness connection?

Whether you want to use a stock PCM and LS Harness Connection harness, or go full-send with a Holley Dominator engine management system, LS Harness Connection is your source for your high performance needs with special pricing tables growing each and every day! Click below, and see how you can….