</font><blockquote><font size="1" face="Verdana, Tahoma, Arial, Helv, Helvetica, Sans">quote:</font><hr /><font size="2" face="Verdana, Tahoma, Arial, Helv, Helvetica, Sans">Originally posted by ringo234:
<strong>Not sure how they work. But It looks like they don't make them for Trucks or SUVs anyway.</strong></font><hr /></blockquote><font size="2" face="Verdana, Tahoma, Arial, Helv, Helvetica, Sans">True, but they do look like something that could be made at home possibly <img border="0" title="" alt="[Wink]" src="images/icons/wink.gif" />

Here are some good pics of an instalation, and what the "guts" look like:

http://www.members.aol.com/mopar1mad/555pg.html