Q: transmission stuck in high gear on 1991 Buick Century

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
when coming off highway, and coming to a stop at end of ramp, car seems to want tokeep going, but when apply brakes to stop, engine cuts out...restart, runs fine..put in gear and kinda jumps then stalls...whats causing this?
any info would be greatly appreciated
(1) Answer
the tcc is stuck, when the car cools down its probley fine till it gets back to hwy operating temp,unhook the tcc will fix this and not harm the car.