brake light issue

Hey all, I'm having a real hard time diagnosing this brake light issue. Originally, my tail lights and brake lights were not giving anything. Through screwing with the trailer wiring adapter (small box in the passenger rear quarter panel) I have restored running tail lights to both sides and the...

Since 1993 my fj60 the brake light (right under the tach) has been on. It was barely visible in daylight for 10 plus years, then just kept getting increasingly brighter. Now it is about 3/4 of a full 12v brightness. How I judged that is when I pull up the parking brake it still gets a little bit...