ok so i read all the rewiring things for the knock sensor and i still dont get it the way its set up right now there is a brown wire going into the knock sensor and i guess it came disconnected so the previous owner added some wire to connect it.... but theres no grounds i see and some people in another thread were saying its a see through wire that connects KS to the ECU?? so wat do i do take the cablevision wire make a ground to the car wat do i do with other side of the ground?