you want to know if you can register your truck as a 'passenger' class vehicle?
do not
you want to know how can you find the unloaded weight of your truck?
Yes
The unloaded weight of your truck is stamped on a metal plate located on the door of your vehicle. The curb weight is also listed on your certificate of title. The curb weight is different from the maximum gross weight MGW indicated in your registration documents.
What should I do if I use the van without the required modifications?
you must register it in the business registration class.
I've recently relocated to a new home, in addition to changing my name. Is this going to be an issue if I try to replace my registration?
Yes. Your mailing address must be current on your DMV files. I recommend that you first change your address online, then apply for a replacement registration.
What do these cookies that you talked about earlier track?