Wiring kits?

What I did was removed the bulkhead connector, removed all the connectors/wires from the housings and drilled out each pass through with 3/16" bit. Installed the bulk head connector housing back in the car and pushed each wire through to the engine bay. No weak link connectors needed, no labeling, bulkhead looks stock instead of aftermarket.

That is one way of doing it, but you restricted yourself if you need to do troubleshooting. You can not check a wire at the connector, you must not check the wire at either end and any modifications you may want to make will be very difficult

My question is are you looking for ease of maintenance or do you want it to look stock?