reason for o/d off light blinking here

everyone keeps bringing this up it might mean ur tranny is going out my car was working fine until i got it and started to race it boy can these lil suckers go fast n e ways i forgot to up shift it when i would race and ended up grinding the gears out to the point where it sound and acted like a stick shift the only problem was that it was automatic it costed me about 750 parts and labor oh yeah check ur tanny mounts also if it kicks pretty hard when it shifts