tbi to carb swap

Since I was 8 (around the farm) I have been driving the same 1987 Chevrolet v20. Now I am 18 and It is beginning to require work. The previous owner swapped it from TBI to a 1406 carb, but I know more than that needed to be changed, rerouted, and "tricked" in order to make it run right with a...

I purchased this swapped truck with knowing MOST of its weak points (mostly minor work) until........... BRAKE light on dash comes on around that sweet 35-37mph range. After investigating I properly installed new brake switch and the light still comes on at 35-37, HOWEVER, I...