I think the one your looking for is Draggin' The Line by Tommy James & The Shondells .... You can also check out this website that has all the mitsubishi ads on it...
http://www.zipposusa.com/mitsubishi/mitsubishisongs.htm

Enjoy.....

> > What is the song played in the mitsubishi commercial with the man in a orange jump suits checking the SUV over while going down the desert highway?
> > i dont know but if you find out please e mail me at joedaman7@hotmail.com
> > Thanks
>