pigtails are pretty much that green thing that plugs into something and you cut it off, pretty much looks like pigtails, where to get one? lol thats the hardest part of the diy, theres almost 0 chance of finding one, cuz how many people actually cut off the harness from their car? if you cant get that, your next step is getting a lot of wires and getting putting this at the end of it:
let me look for the end of it online, then ill post that pic