How to retrofit stock wiring harness and wiring guide?
You can copy and paste this link to share: https://lsenginediy.com/ls-swaps-wiring-harness-and-wiring-guide/ Retrofitting the stock harness requires knowledge of electrical circuits, soldering skills, and attention to detail. It is not a simple plug-and-play procedure, so make sure you are up to the task before hacking into the wiring harness.
What kind of wiring harness do I Need?
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.
Can you mix and match Ford wiring harnesses?
Ford made it increasingly difficult to mix and match the wiring harnesses because of various options on the vehicle. Ford may have multiple harnesses within a year and model that cannot be interchanged. If you are going to use a Ford harness and computer in your swap, make sure you get all the wiring and electronic parts from the donor car.
Can a factory harness be replaced at painless performance?
Starting with a clean slate is always nice. One call to Painless Performance and the harness was on its way. They could have ordered a factory replacement harness, which is already terminated and bundled, just like the factory harness, and every-thing is where it should be for the stock components.
Is it possible to use factory wiring harnesses?
Using Ford factory wiring harnesses is an option for most engines and projects. However, the newer the engine and vehicle, the more difficult it is to use the factory components. When using factory computers and wiring, pay close attention to the connectors. Ford frequently changed them, even within model years.
Ford made it increasingly difficult to mix and match the wiring harnesses because of various options on the vehicle. Ford may have multiple harnesses within a year and model that cannot be interchanged. If you are going to use a Ford harness and computer in your swap, make sure you get all the wiring and electronic parts from the donor car.
How much does a LS wire it up harness cost?
This harness cost around $450 shipped, and was seamless to install. The layout was flawless and the wires were neatly strung throughout their looms. This could be an ideal situation for someone who picks up a junkyard engine with a botched harness (they aren’t always nice to the wires on the way out).
Is there a standalone programmable engine management system?
AEM (Advanced Engine Management) offers a standalone PCM called the “Programmable Engine Management System.” This system is very popular primarily with the import performance crowd. The real benefit is that AEM often packages the system together with an adaptor harness as a “plug and play” solution.