Buddy you have no idea how much your post has helped me! I received my BL-Touch with a 5 pin to 5 pin wire which is meant to plug into the custom port on the 4.2.2 board. This is the same wire as shown in your last photo. I had tried everything I could possibly think of to get it working with no joy and it had been put back in it's box to go back to Amazon. Then I found your post and Eureka! I diby Redmoorphil - Firmware - Marlin