Yes, to get results you desire, requires very methodical and repeatable procedures. It's like 3-page Army manual on how to make chocolate-chip cookies. Anyone, anywhere can get exact same results.
Idea is to remove all possible error points. That's done through tried and true procedures that's guaranteed to last a long time (consult
NASA wiring manual). I have 50-year warranty on my headlight upgrades & harnesses for Porsches (and Miatas, Jeeps). I stopped selling them 25-years ago and not single one has come back. People remove them when selling their cars to keep them for future use! Sometimes they come up on eBay going for twice what I originally sold them for!
