I have a 2008 impala only gets one click but starts sometimes new battery and stater.....also my power save active comes on when I have my ac on it cuts off and I just put amp speakers in my car in now my lights get dim from inside the car to my headlights in when my radio is off and my car is idle my headlights gets dim fir 3 secs when I try and get a jump start I still get one click ?