is the wiring in my truck there for this i have a xlt
http://cgi.ebay.com/ebaymotors/MIRRO...44824287QQrdZ1

 

When I installed the ones from http://www.kwmuth.com/ on my '01 XLT SCrew, the wiring was in the door already, I did not have to run them back under the dash, like I had to do on my '95.

Download the install directions from the site above, and it shows everything that needs to be done.