Ls Swap Fan Wiring

When doing an ls swap you have three options in integrating the engine wiring harness successfully.

Ls swap fan wiring. 87 red wire connects to the positive wire on the electric fan. Comparing gen iii controllers crankshaft guide for building big inch ls engines camaro and firebird ls swap. We are currently up and running and shipping from our new location. Thank you to all that stuck with us during this hectic time.

30 other red wire needs constant 12 volt power from the battery. In most cases people end up having the harness that came with their ls engine rewired. Your 1 source for oem operated pcm controled and universal electric fan harnesses. Official site of painless performance american made wiring harnesses for your hot rod street rod muscle car off road and everything in between.

Psi sells standalone wiring harnesses for gm gen ii iii iv v ls lt based engines and transmissions. Looking for an affordable in stock plug and play wiring harness for your ls swap. It seems for many people that the scariest part of the modern engine swap is the wiring harness. You can not directly connect pcm fan control wire to fans.

You must use a relay. Chassis and suspension stroking options for big inch ls engines how to control your gen iii 3 v 8 ls engine ls swaps. If you don t you have to head back to the salvage yard or take your chances on ebay. Camaro and firebird ls swap.

Photo courtesy street performance. When you are doing a build with the ls family of gm engines the idea is to end up with a. The pcm will supply the negative or ground signal to turn on fan relays. Lt1 ls1 05 oem flex a lite universal street strip we have you covered.

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. 85 black wire. Wiring harness and wiring guide gm ls series pcm ecm. Make sure you grab the wiring harness from the donor car.

Exhaust and induction guide. You can buy a stand alone harness have a new harness custom built or rewire the harness that came with your ls engine. The dlc or obdii port is a must have for any ls swap and it is often overlooked when retrofitting a stock harness. Wire it once and wire it right with painless.