There are 2 pinouts found for Garmin GPSMAP 276C .
The pinout (pin-out) is a cross-references between the contacts (pins) of an electrical connector and their functions. The pin outs diagrams are listed below. Click for details
Garmin GPSMAP power and data cable pinoutUsed by GPSMAP® 276C, GPSMAP® 278, GPSMAP® 296, GPSMAP® 376C, GPSMAP® 378, GPSMAP® 396, GPSMAP® 478, GPSMAP® 495, GPSMAP® 496