Considering installing a manual open no fan roof vent in our 2002 Dodge Ram Van. Attached hopefully is the photo of the van roof and you can see a square area that I am hoping is designed to accommoda...
Measure it and see if it is a 14" X 14" opening, which is the standard RV vent opening size. If it is, it's just a matter of what you have to do to cut it open. After that, it looks like a RV vent would be installed as they usually are. I'd suggest using 4" Eternabond tape rather than a bunch of lap sealant.