chulstedt Report post Posted May 4, 2014 According to the manual the diagnostic port is under the dash left of the steering column. I purchased a scangauge d. Help Share this post Link to post Share on other sites
wildebill308 Report post Posted May 4, 2014 Welcome to the forum. I haven't looked on your model coach but Have read where the port was hard to find. Most say it is wrapped up with tape and hid behind other stuff under your dash or to the back of the steering column. Good luck in your treasure hunt. Let us know how you do. Bill Share this post Link to post Share on other sites