Ls swap wiring

[emfh76]

Im just getting started laying out the wiring in the engine bay for a ls swap, adding electric fans, and relays for the headlights. I have read through a few swaps on here and have done a swap on a 88 trans am but i used holley efi so it was a bit different than using the factory harness. If anyone could post pics of the wiring mods you have done so i can start getting some ideas i would appreciate it. I will be mounting the ecu in the engine bay. I will most likely be looking for a small relay/fuse block from the salvage yard. Im looking for ideas of where to mount everything for a clean and easy install. Thank you.