WIRING
TBH, you probably don't wanna copy my efforts.
1] My Harris is already finished - I did it a couple of years back.
2] It defo is NOT the neatest arrangement
3] I got several different colours from VWP (Vehicle Wiring Products) and just
did it.
Most of the modern wires take higher loads than the original stuff. I also solder all connections (spades, butts, bullets, etc).
There are some photo's way back in Projects Section somewhere.... I'll dig them out later today

And on the 7th day... Zeds were created!