Installation Information - Garmin GPSMAP 276C Owner's Manual

Installation Information

This section of the Appendix provides information on connecting the
GPSMAP 276C to auxiliary devices and removing the antenna.
Connecting the Power/Data Cable
The power/data cable connects the GPSMAP 276C to an 11–35
VDC system and provides interface capabilities for connecting
external devices. The color code in the diagram below and to the
right indicates the appropriate harness connections. Replacement
fuse is a 3AG - 1.5 Amp fuse.
Ground
Black
Alarm
Whte
Voce (+)
Brown
Data In 1
Yellow
Power/Data Connector on the GPSMAP 276C Unit
GPSMAP 276C Owner's Manual
Voce (-) Data Out 1
Orange Blue
Data In 2
Green
Power
Red
Data Out 2
Volet
A
PPendIx
Data Out 1 Voce (-)
Blue Orange
Data In 2
Green
Power
Red
Data Out 2
Volet
Power/Data Connector on the Cable
Red: Power
Black:
Ground
Blue:
Data Out
Switch
Closed - On,
Open - Off
Yellow:
Data In
> I I
nstAllAtIon nforMAtIon
Ground
Black
Alarm
Whte
Voce (+)
Brown
Data In 1
Yellow
(-) (+)
11–35 VDC
RXD +
Autopilot/
NMEA Device
RXD -
(+)
White/Blue
Orange
GSD 21
Sounder
(-)
White/Brown
10