alright i got these to sound meters or whatever idk the needle move when it gets loud and stuff but what i am tryin to do is hook it up in my car to my radio somehow ,,--they are just like little sound gauges,thats meant to do what im tryin to do -- its got three wires runnin off of it so i hooked it to some c or d batteries i forget,it was 1.5 v each tho and it lit up and the needle jumped up and stayed so it works now all i need to know is how can i hook it up in my car and have the needle jump with the song is this possible and if so how