The "brake failure" red light is on at all times. There are no codes, and brakes are working fine. How would you diagnose it?

The reason is, I had to remove the plate it was bolted on in order to accommodate the rear seat. It can stay facing front, but it will just be dangling there, not attached to anything.

I recently purchased a 2007 R1200RT-P and I'm converting it into a 2-seater.
One thing is, the preload adjuster was facing front on the original setup. The way it's mounted on the regular R1200RT, it's facing rear.
To turn it around, I would need to reverse the hose connection. I'm afraid that if I ...