Hi Group, I have been steered toward "Mobile Installation". The link below refers to General Motors vehicles but is good information in general. http://service.gm.com/techlineinfo/radio.html This will be the center to my discussion Wednesday evening )1-Sep-2010 7:00 PM local MDT. -- Kerry N0WIQ My web site URL is: http://mywebpages.comcast.net/n0wiq