I figured out the brake lights; fuse was blown

.
Still don't have any reverse lights though, and the left signals still blink fast.
I checked out the trailer wiring, I don't think it's part of the problem.
__________________
-Ted
-1986 Mazda RX7 Sport [DD/beater]: engine finally let go at 205k. parts car status.
-1986 Mazda RX7 base [resto-mod project]: S5 n/a swap in progress.