Amazon.com This cigarette lighter adapter works with Garmin nüvi, StreetPilot, and z?mo GPS receivers. Comparable to Garmin's car adapters, it will power and charge your Garmin GPS while you navigate. Utilizing a proprietary 18-pin connector that connects either directly to the GPS or through the Garmin cradle, this cable is guranteed to be 100% compatible with your Garmin GPS. The cable is six feet in length. ...