Garmin GPSMAP 496, Owner'S Manual

Page: 166 / 196

Installation Information
This section of the Appendix provides information on connecting the
GPSMAP 496 to auxiliary devices and removing the antenna.
Connecting the Power/Data Cable
The power/data cable connects the GPSMAP 496 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.
Power/Data Connector on the GPSMAP 496 Unit
Data Out
Blue
Ground
Black
Voice (-)
Orange
Alarm
White
Power
Red Voice (+)
Brown
Data In
Yellow
Power/Data Connector on the Cable
Data Out
Blue
Ground
Black
Voice (-)
Orange
Alarm
White
Power
Red
Voice (+)
Brown
Data In
Yellow
Yellow:
Data In
Black:
Ground
Red: Power
11–35 VDC
(-) (+)
Autopilot/
NMEA Device
RXD +
RXD -
GSD 20
Sounder
(-)
(+)
White/Brown
White/Blue
Blue:
Data Out
Orange
Closed - On,
Open - Off
Switch
158 GPSMAP 496 Owner’s Manual
A
PPENDIX
> I
NSTALLATION
I
NFORMATION