I don't know how far along you are in gathering parts, but as questions arise, feel free to ask me, as I've solved almost every one In terms of your +5 VREF, signal wire, and ground for your TPS, I've got it figured. I'll do the stepper IAC tomorrow. I'm writing it all down, so it is on hand for ya if you want it What MS are you going for? I got the MSII w/ v3.57. I spent the extra coin for direct coil control...build in rev limiter for the corners Care to post some pics of your truck?