brake problem help asap!!!!

[NCbug]

hey i resently took my whole pedal assembly out .......... and i put it back in and its all workin great except for the brakes ....... now when i hit the brake pedal its really light and it doesnt feel like its hittin the brakes at all ...so i tested it and now when i hit the brakes it slams on the brakes and skids no matter how light i touch the brakes .... so what could be the problem here?


thanks for all your help