I purchased the tool from China... Could be here in a week or a month.
I would hard wire the unit in, but I would rather take my time and do it properly with the correct pins and plugs.
I did the rounds trying to find some new pins, Toyota Spare Parts said the shell was about $30. A set of pins was about $100 or more, way too expensive.
One of the stereo installation companies said they only hard wire, I told them that is why they did not get my business, another said just buy an adapter cable that has the same square pins as the Toyota. I found a Mazda cable ($20) with the same type pins, so I will take the pins and crimped cables of the appropriate colours and join them to the Joying wires that do not have pins. I will end up with an easily removable adapter cable that looks neat tidy that can be disconnected in minutes if needed.