im using an alpine 500W amp and an alpine type s 12" sub lately ive been noticing a melting plastic smell but when i inspect the wires everything looked ok. i checked again (after a few months) and noticed that the positive terminal on the sub box was melting into the box, the negative was fine and the wires were cool to the touch, the positive terminal was very hot though, too hot to touch. what can i do to correct this? thinker gauge wires from the amp to the box? any help is appreciated. thanks in advance!