Home-brew Garmin Nuvi 660 Vent Mount by carianp (p. 1)


Here is my home-brew Garmin Nuvi 660 Vent-Mount holder in our Impala. The Nuvi is in its Trip Details view: Speed, direction, distance travelled, time moving, etc are shown.

It consists of three pieces:

  1. a 3/8” x 3/8” x3 1/2” long cinch bar – a piece of aluminum stock that fits between two of the louvres, and which is 1/8” longer than the vent opening is wide. It has two threaded holes in it to pull it tight against the back side of the louvre cowling
  2. a 3/4” x 3/4” x5” long piece of wood mounting bar that has two holes matching the threaded holes in the aluminum chinch bar. It has a felt backing to cushion it as it is cinched up against the front surface of the vent as the two screws are tightened
  3. a 2” wide by3” tall by 3/4” thick backing piece into which the Nuvi windshield mount has been dadoed into and which is screwed to the mounting bar from the back. The ball-to-suction cup portion is not used; only the rectangular ball cup-to- Nuvi portion is needed. A 0.66” diameter wooden ball is screwed onto the dadoed portion of the backing plate; the Nuvi mount snaps onto that to help hold it along with the edges of the dado that is 1/2” deep into the 3/4” thick backing piece.

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