Installation Information; Connecting The Power/Data Cable - Garmin GPSMAP 376C Owner's Manual

Installation Information

This section of the Appendix provides information on connecting the
GPSMAP 376C to auxiliary devices and removing the antenna.

Connecting the Power/Data Cable

The power/data cable connects the GPSMAP 376C 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
Yellow
Power/Data Connector on the GPSMAP 376C Unit
GPSMAP 376C Owner's Manual
Voce (-) Data Out
Orange Blue
Power
Red
A
PPendIX
Data Out Voce (-)
Blue Orange
Power
Red
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
Yellow
(-) (+)
11–35 VDC
RXD +
Autopilot/
NMEA Device
RXD -
(+)
White/Blue
Orange
GSD 20 or 21
Sounder
(-)
White/Brown
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