Ok thanks the replies. Ill pick one of those kits up and try it out. Ill probably also just pick up another PCM too because even if I get the original going, I have some other trucks with the 7747...

Never heard of a Noid Light. I will look into that and pick one up.

A side question that I can't seem to find info on. When swapping chips to burn, do I need to disconnect the battery every time...

I recently have been trying to switch away from a Microsquirt ECU on a 383 TBI, putting the old 7427 PCM back in and acquired all the chip burning hardware. With the MS (Microsquirt), I had it...

Thank you, I appreciate it. Man there is quite a difference between Tunerstudio and TunerPro. So many little parameters that GM made vs a generic ECU.

Hello all. I've been slowly building a fleet of gmt400s with many future plans of engine builds needing tunes. I had a go at using Microsquirt on a 383 swapped 94 Blazer, but the further I got the...