I have a 2006 Chevy 2500HD and a 2006 Thor Tahoe 22RK widelite. I was told by the guy that sold me the 5th wheel that using mirror extinction was no use. That it gave no extra view of your trailer. Is...
Your 2006 2500 should have extendable mirrors on it that should take care of the problem. If it does not have the extendable mirrors then yes the mirror extensions do help. You should be able to see behind(not directly but at a distance) the trailer not just along the side.