Since you're starting with a box of parts, the best way I can answer that question is to advise you to do some Google research and compare pictures online. It's a fairly simple vehicle. There are pics online that will help you a lot. Also, I would advise to purchase the Chiltons and Haynes repair manuals. The Chilton goes more in depth than the Haynes, but I use both because sometimes one book will give more detail/pics than the other. Most of your questions can be answered right there. I've owned my '88 K1500 for 24 years, swapped it from 305 TBI to 350 w/carb, then back to 350 with TBI, and was able to do it all between those manuals and Google images. Good luck!