Ls Swap Wiring Harness Modification

1999 to 2007 vortec 4 8 5 3 6 0 harness wiring info tons of info here please read all the pages linked.

Ls swap wiring harness modification. Removing connectors and un. Custom ls swap harness for you custom ls vehicle full service shop located in ontario california harness will be ready to run right out of the box. 2007 to 2009 vortec 4 8 5 3 6 0 6 2 harness information new harness modification info added 11 6 2012. Detailed video of how to make the stock unmodified ls truck harness work by just giving it power in two spots.

Simple 3 wire hookup and your ready to run. 1992 to 1997 lt1 5 7 and l99 4 3 wiring harness info includes. We remove all bulk wiring and only leave what your engine requires. 1996 to 1999 vortec 4 3 5 0 5 7 7 4l harness schematics and info.

This is a very complete service we offer the wire. This method is simple free and gets the engine running but it sure isn t pretty. Modification of stock engine harness. 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. Gm wiring modification of ls and lt wiring systems you must have the harness off of the donor lt1 tpi ls1 engine undamaged. Make sure you grab the wiring harness from the donor car. In this video i show how you can convert a factory silverado wiring harness to be used in a ls swap vehicle of any type.

I cover the pcm connectors and de pinning. We re configure and tail out what needs to be used to run the engine and transmission correctly at full power. 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. The dlc or obdii port is a must have for any ls swap and it is often overlooked when retrofitting a stock harness.