Garmin GPSMap 76CS pinouts
The connector/pinout information may be applied to the Garmin (show all pinouts) model GPSMap 76CS
Garmin GPS 45, 12 XL, GPS II, III, V, 72, 76, 92, 176, 176c, 196, 295, StreetPilot III (round connector) pinout
GPS devices with standard mini-usb interface pinout any standard mini-USB cable should work with them