Ls Swap Wiring Harness Modification

We re configure and tail out what needs to be used to run the engine and transmission correctly at full power. If you re doing an ls swap on a budget there are ways to cut the cost and save yourself some cash. 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.

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1992 to 1997 lt1 5 7 and l99 4 3 wiring harness info includes.

Ls swap wiring harness modification. Some of us have more time than money. If you don t you have to head back to the salvage yard or take your chances on ebay. Looking for an affordable in stock plug and play wiring harness for your ls swap. 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. We remove all bulk wiring and only leave what your engine requires. The dlc or obdii port is a must have for any ls swap and it is often overlooked when retrofitting a stock harness. 1996 to 1999 vortec 4 3 5 0 5 7 7 4l harness schematics and info.

In part 1 i will depin unused wires from the pcm as well as identify wires that will. This will be my first video of three parts going over the harness rework steps for a 2003 5 3l vortec engine. Modification of stock engine harness. At swap we are driven by the enthusiast and the unique projects that fill our motorsports community.

Bp automotive s ls swap diy stand alone factory harness mod kits. 2007 to 2009 vortec 4 8 5 3 6 0 6 2 harness information new harness modification info added 11 6 2012. 4 fuse and 2 relay box is small and easy to hide. 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.

We strive to offer the best products for those projects at the best prices. Camaro firebird corvette caprice impala roadmaster. Bp automotive s plug and play direct fit ls wiring harness. By brian havins april 10 2020.

This is a very complete service we offer the wire. 1999 to 2007 vortec 4 8 5 3 6 0 harness wiring info tons of info here please read all the pages linked. Psi sells standalone wiring harnesses for gm gen ii iii iv v ls lt based engines and transmissions. 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.

Simple 3 wire hookup and your ready to run.