12:05 Garage- ’70 Duster build

Thanks. What kind of crimp?

I’m not much for solder, partly because I’ve heard it hardens the wire. But always looking for new and better ways.
I used these recently they are easy just need a heat gun. I also slid a black heat shrink sleeve over top for double seal and better look:

SolderStick Waterproof Solder Wire Connector Kit