so i just got done doing a head gasket on my 06 ss sc and there is 2 sensors that have the same plug in on them one sensor is on the intake man. and other is on the sc so my question is how do u know which one goes where and also when ever i hook the batt up i here a squealing and the electric throtel plate keeps moving and wont stop so i dont know what is going on and would really aperciate any help with any one of my problems thanks in advance