Maybe this will help reduce the swelling on your head.
Go to
www.bbbind.com .
Select TSB Database, then Wiring Diagrams. Enter your truck info. From there you can choose what Category you need. It's all there, including wire colors to help you trace problems.
There will be a lot of diagrams to help trace problems to your specific truck. I printed all of the diagrams and have them in a notebook that stays in my truck.