Can access to the a/c ducts be gained by removing the shroud on the roof? I have four a/c vents and two have good air circulation in the rear of the trailer and two are not blowing any air at all in t...
May need to remove both of above mentioned, and use a light and mirror to look for obstructed run to vents. Of course if you have a fancy lighted camera, that extends into the vents, would be best option.