1. Just because PUP Manufacturer A and PUP Manufacturer B use the same wire colours, it doesn't mean they use them in the same order. Check BEFORE you wire up Entwistles to a DiMarzio diagram.
2. A nice Clear and concise Wiring diagram bears no actual resemblance to the electrical spaghetti that results from attempting to follow it.
3. Active Soldering Irons are hot.
4. Parts you have just applied a soldering iron to are also hot.
5. A carefully laid out and meticulously planned control cavity does not happen if you choose to make sh!t up as you go along.
6. Active Soldering Irons are hot.
7. Wire insulation is surprisingly tough to strip
8. Small gauge electrical wire cores are surprisingly easy to shear.
9. Solder likes to resist for as long as possible, then melt rapidly and run away out of sight, usually to bridge between terminals out of the view of the Solderer.
10. Active Soldering Irons are Hot. So are drops of molten solder.

Here endeth the communication.