The switch behind the cylinder could be the problem.
You could have left some broken bit inside too.
I didn't touched those on GA, but I did bro's one, a hyundai.
Basically, the lock cylinder is free to move, the only restriction is to prevent it to turn too much. The switch assembly, behind, is what hold all the notch and spring.
But check for left over bits and proper alignment. I hear of some model that have LOTS of notch, so you might be one notch off. Bro's car is a flat bar...