On Sun, 28 Mar 2010 15:30:45 +0000 (UTC), Kat Rabun
wrote:

Do you know if the Garmin zumo 660 power mount can interchange with the
Garmin nüvi 670?
(...)
Pictures on the net and a visit to the store seem to indicate they look
mighty similar - but who knows if the electronics are the same or not (I
don't use the FM traffic feature).

Perhaps you should look at the photos again. The Zumo 660 mount:
http://www.tigergps.com/garmincradz660.html?productid=garmincradz660
doesn't look anything like the Nuvi 670 mount:
http://www.tigergps.com/garminsuctnuvi660.html
Note the contacts on the 660 mount.

--
Jeff Liebermann
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558