Uh, WTF - over.

Though long lamented by many in the automotive community.... these things keep popping up all over the place.

Be that as it may, it dosent make these things any more desirable or sought after as far as Im concerned. 

But, judge for yourself. Here is an informative video that will help. 

Good luck getting all the way to the end before you want to throw your system out the friggin window.