I have a stock bin that I'm using. it's for a 1mb pcm (12586243 is the pcm I'm using with 12587603 OS) - The bin is completely stock from GM TIS website. Flashed it to PCM then saved .bin to my hard...

Hey everyone. Newbie to the whole LS thang. I have 2 projects going. Swapped a stock 5.3/4L60E/harness & PCM from a 2000 Silverado 2WD donor into a 1995 Chevy C1500 Stepside. Not running yet because...