In a message dated 10/29/2013 3:03:05 P.M. Eastern Daylight Time,
wolzphoto@Q.COM writes:

What  about the blanking plate that came from the factory?
|That's as stock as  you can get. You could pull a modern radio
|and replace it with the  blanking plate any time you needed to.
|

if you have a modern detachable face radio, simply get a OEM  vanagon
blanking plate and put velcro on it and stick it to the modern head unit once
you detach the face.    instant return to stock...plus a nice  theft
deterrent as well...