Ok so some auto electrician shop found out that 2 of the bulb sockets where screwed up because someone shoved the wrong lights in them, which messed them up pretty bad, but they were still working. Just not correctly.
weird how that would make the flashers go off everytime you use the blinkers.
also the third brake light was not working, that was just because the light housing was all corroded but looked like it was fine. So had to buy a new one.
Thank you everyone for trying to help!!!
I hope this helps someone in the future!