What do YOU want in a new wiring harness?
Paddle type?
So for a connection of the new wire to an existing, like a lamp socket, if the oe type housing is no longer avail what would you prefer? Butt splice and heat shrink yourself, 2 halves of an insulated quick disconnect with one side pre installed on the new wire, the other side butted in and needing the old wire crimped in, or new oe type fittings and reuse the old housing?